diff --git a/TODO.md b/TODO.md index 0910ae597..4c8194fc5 100644 --- a/TODO.md +++ b/TODO.md @@ -1,9 +1,5 @@ - 1.3.2 - - Push version number - - - Generate documentation - - Release - 1.3.x diff --git a/build.gradle b/build.gradle index 9994c6313..0819a4eba 100644 --- a/build.gradle +++ b/build.gradle @@ -12,7 +12,7 @@ ext { mockitoVersion = '3.3.3' systemLambdaVersion = '1.0.0' moduleName = 'net.jqwik' - jqwikVersion = '1.3.2-SNAPSHOT' + jqwikVersion = '1.3.2' isSnapshotRelease = isSnapshotRelease(jqwikVersion) } diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html index 347160510..2c5648f92 100644 --- a/docs/_layouts/default.html +++ b/docs/_layouts/default.html @@ -22,7 +22,7 @@ View on GitHub

{{ site.title | default: site.github.repository_name }} - Latest Release: 1.3.1 + Latest Release: 1.3.2

Property-Based Testing in Java

diff --git a/docs/docs/1.3.2/javadoc/allclasses-frame.html b/docs/docs/1.3.2/javadoc/allclasses-frame.html new file mode 100644 index 000000000..587b8b29f --- /dev/null +++ b/docs/docs/1.3.2/javadoc/allclasses-frame.html @@ -0,0 +1,215 @@ + + + + + +All Classes (documentation 1.3.2 API) + + + + +

All Classes

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+ +
+ + diff --git a/docs/docs/1.3.2/javadoc/allclasses-noframe.html b/docs/docs/1.3.2/javadoc/allclasses-noframe.html new file mode 100644 index 000000000..518e724ad --- /dev/null +++ b/docs/docs/1.3.2/javadoc/allclasses-noframe.html @@ -0,0 +1,215 @@ + + + + + +All Classes (documentation 1.3.2 API) + + + + +

All Classes

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+ +
+ + diff --git a/docs/docs/1.3.2/javadoc/constant-values.html b/docs/docs/1.3.2/javadoc/constant-values.html new file mode 100644 index 000000000..2d9a1b3a1 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/constant-values.html @@ -0,0 +1,230 @@ + + + + + +Constant Field Values (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
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+ + + +
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+

Constant Field Values

+

Contents

+ +
+
+ + +

net.jqwik.*

+ + +
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+ + + diff --git a/docs/docs/1.3.2/javadoc/deprecated-list.html b/docs/docs/1.3.2/javadoc/deprecated-list.html new file mode 100644 index 000000000..65cb70898 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/deprecated-list.html @@ -0,0 +1,150 @@ + + + + + +Deprecated List (documentation 1.3.2 API) + + + + + + + +
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Deprecated API

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+

How This API Document Is Organized

+
This API (Application Programming Interface) document has pages corresponding to the items in the navigation bar, described as follows.
+
+
+ +This help file applies to API documentation generated using the standard doclet.
+ +
+ + +
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+ + + diff --git a/docs/docs/1.3.2/javadoc/index-all.html b/docs/docs/1.3.2/javadoc/index-all.html new file mode 100644 index 000000000..8305ac287 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/index-all.html @@ -0,0 +1,3182 @@ + + + + + +Index (documentation 1.3.2 API) + + + + + + + +
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+ +
A B C D E F G H I J L M N O P R S T U V W  + + +

A

+
+
AbstractDomainContextBase - Class in net.jqwik.api.domains
+
+
Subclass for easier implementation of DomainContext
+
+
AbstractDomainContextBase() - Constructor for class net.jqwik.api.domains.AbstractDomainContextBase
+
 
+
acceptTargetType(TypeUsage) - Method in class net.jqwik.api.configurators.ArbitraryConfiguratorBase
+
+
Override if configurator only works for certain types of domain objects
+
+
Action<S> - Interface in net.jqwik.api.stateful
+
+
An action class represents a state change that can be preformed + on a stateful S.
+
+
ActionSequence<M> - Interface in net.jqwik.api.stateful
+
+
A sequence of Actions that can be run with a model of type M
+
+
ActionSequence.RunState - Enum in net.jqwik.api.stateful
+
 
+
ActionSequenceArbitrary<M> - Interface in net.jqwik.api.stateful
+
 
+
activated() - Method in enum net.jqwik.api.EdgeCasesMode
+
 
+
AddLifecycleHook - Annotation Type in net.jqwik.api.lifecycle
+
+
Use to register a concrete lifecycle hook implementation + for a test element -- a container class or a property method.
+
+
after(PropertyExecutionResult) - Method in interface net.jqwik.api.lifecycle.PerProperty.Lifecycle
+
+
Override if you want to perform some work once after the annotated property (or example).
+
+
AfterContainer - Annotation Type in net.jqwik.api.lifecycle
+
+
Annotate static methods of a container class with @AfterContainer + to have them run exactly once after all of its properties or any lifecycle + methods from embedded containers have been run.
+
+
afterContainer(ContainerLifecycleContext) - Method in interface net.jqwik.api.lifecycle.AfterContainerHook
+
+
The code of this method will be run exactly once after all property methods and child containers.
+
+
afterContainer(ContainerLifecycleContext) - Method in interface net.jqwik.api.lifecycle.AroundContainerHook
+
 
+
AfterContainerHook - Interface in net.jqwik.api.lifecycle
+
+
Implement this hook to define behaviour for a container (class or whole test suite) + that should be run exactly once after of its property methods and child containers.
+
+
afterContainerProximity() - Method in interface net.jqwik.api.lifecycle.AfterContainerHook
+
+
The higher the value, the closer to the actual property methods, i.e. the earlier it will be run.
+
+
afterContainerProximity() - Method in interface net.jqwik.api.lifecycle.AroundContainerHook
+
 
+
AfterExample - Annotation Type in net.jqwik.api.lifecycle
+
+
This is an alias of AfterProperty
+
+
AfterFailureMode - Enum in net.jqwik.api
+
+
The after-failure mode determines how a property behaves after it has been falsified.
+
+
AfterProperty - Annotation Type in net.jqwik.api.lifecycle
+
+
Annotate methods of a container class with @AfterProperty + to have them run once after each property (or example) + including properties (or examples) of embedded containers.
+
+
AfterTry - Annotation Type in net.jqwik.api.lifecycle
+
+
Annotate methods of a container class with @AfterTry + to have them run once after each try - the actual invocation of the property + method with generated parameters - including properties of + embedded containers.
+
+
all() - Method in interface net.jqwik.api.arbitraries.CharacterArbitrary
+
+
Allow all unicode chars to show up in generated values.
+
+
all() - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Allow all unicode chars even noncharacters and private use characters + but only in plane 0 (aka Basic Multilingual Plane)
+
+
allValues() - Method in interface net.jqwik.api.Arbitrary
+
+
Create optional stream of all possible values this arbitrary could generate.
+
+
alpha() - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Allow all alpha chars to show up in generated strings.
+
+
AlphaChars - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the chars used to generate Strings or Characters to upper and lower case chars.
+
+
andThen(Function<Shrinkable<T>, ShrinkingSequence<T>>) - Method in interface net.jqwik.api.ShrinkingSequence
+
 
+
andThen(ShrinkingSequence<T>, Function<Shrinkable<T>, ShrinkingSequence<T>>) - Method in class net.jqwik.api.ShrinkingSequence.ShrinkingSequenceFacade
+
 
+
append(ShrinkingDistance) - Method in class net.jqwik.api.ShrinkingDistance
+
 
+
appliesTo(Optional<AnnotatedElement>) - Method in interface net.jqwik.api.lifecycle.LifecycleHook
+
+
This method is called once per hook and potential element during lifecycle hooks registration.
+
+
appliesTo(Object) - Method in interface net.jqwik.api.SampleReportingFormat
+
 
+
apply(T1, T2) - Method in interface net.jqwik.api.Combinators.F2
+
 
+
apply(T1, T2, T3) - Method in interface net.jqwik.api.Combinators.F3
+
 
+
apply(T1, T2, T3, T4) - Method in interface net.jqwik.api.Combinators.F4
+
 
+
apply(T1, T2, T3, T4, T5) - Method in interface net.jqwik.api.Combinators.F5
+
 
+
apply(T1, T2, T3, T4, T5, T6) - Method in interface net.jqwik.api.Combinators.F6
+
 
+
apply(T1, T2, T3, T4, T5, T6, T7) - Method in interface net.jqwik.api.Combinators.F7
+
 
+
apply(T1, T2, T3, T4, T5, T6, T7, T8) - Method in interface net.jqwik.api.Combinators.F8
+
 
+
Arbitraries - Class in net.jqwik.api
+
 
+
Arbitraries.ArbitrariesFacade - Class in net.jqwik.api
+
 
+
ArbitrariesFacade() - Constructor for class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
Arbitrary<T> - Interface in net.jqwik.api
+
+
The main interface for representing objects that can be generated and shrunk.
+
+
Arbitrary.ArbitraryFacade - Class in net.jqwik.api
+
 
+
ArbitraryConfigurationException - Exception in net.jqwik.api.configurators
+
 
+
ArbitraryConfigurator - Interface in net.jqwik.api.configurators
+
+
Implementors can modify any arbitrary before it's being used for value generation.
+
+
ArbitraryConfiguratorBase - Class in net.jqwik.api.configurators
+
+
Using this base class is the easiest way to make use of the configuration mechanism + described in ArbitraryConfigurator + + + Implementations must be registered in /META-INF/services/net.jqwik.api.configurators.ArbitraryConfigurator + so that they will be automatically considered for arbitrary configuration.
+
+
ArbitraryConfiguratorBase() - Constructor for class net.jqwik.api.configurators.ArbitraryConfiguratorBase
+
 
+
ArbitraryFacade() - Constructor for class net.jqwik.api.Arbitrary.ArbitraryFacade
+
 
+
ArbitraryProvider - Interface in net.jqwik.api.providers
+
+
Implementation of this class are used to provide default arbitraries to + ForAll parameters without an explicit provider reference.
+
+
ArbitraryProvider.SubtypeProvider - Interface in net.jqwik.api.providers
+
 
+
AroundContainerHook - Interface in net.jqwik.api.lifecycle
+
+
An aggregate interface of BeforeContainerHook and AfterContainerHook + for convenience.
+
+
aroundProperty(PropertyLifecycleContext, PropertyExecutor) - Method in interface net.jqwik.api.lifecycle.AroundPropertyHook
+
+
When you wrap a property you can do stuff before and/or after its execution.
+
+
aroundProperty(PropertyLifecycleContext, PropertyExecutor) - Method in class net.jqwik.api.lifecycle.PerProperty.PerPropertyHook
+
 
+
AroundPropertyHook - Interface in net.jqwik.api.lifecycle
+
+
Implement this hook to define behaviour that should "wrap" the execution of a property, + i.e., do something directly before or after running a property - or both.
+
+
aroundPropertyProximity() - Method in interface net.jqwik.api.lifecycle.AroundPropertyHook
+
+
The higher the value, the closer to the actual property method.
+
+
aroundPropertyProximity() - Method in class net.jqwik.api.lifecycle.PerProperty.PerPropertyHook
+
 
+
aroundTry(TryLifecycleContext, TryExecutor, List<Object>) - Method in interface net.jqwik.api.lifecycle.AroundTryHook
+
+
When you wrap a try you can do stuff before and/or after its execution.
+
+
AroundTryHook - Interface in net.jqwik.api.lifecycle
+
+
Implement this hook to define behaviour that should "wrap" the execution of a single try, + i.e., do something directly before or after executing a property method with a given list of parameters.
+
+
aroundTryProximity() - Method in interface net.jqwik.api.lifecycle.AroundTryHook
+
+
The higher the value, the closer to the actual property method.
+
+
array(Arbitrary<T>, Class<A>) - Method in class net.jqwik.api.Arbitrary.ArbitraryFacade
+
 
+
array(Class<A>) - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type T[] using the existing arbitrary for generating the elements of the array.
+
+
as(Combinators.F2<T1, T2, R>) - Method in class net.jqwik.api.Combinators.Combinator2
+
 
+
as(Combinators.F3<T1, T2, T3, R>) - Method in class net.jqwik.api.Combinators.Combinator3
+
 
+
as(Combinators.F4<T1, T2, T3, T4, R>) - Method in class net.jqwik.api.Combinators.Combinator4
+
 
+
as(Combinators.F5<T1, T2, T3, T4, T5, R>) - Method in class net.jqwik.api.Combinators.Combinator5
+
 
+
as(Combinators.F6<T1, T2, T3, T4, T5, T6, R>) - Method in class net.jqwik.api.Combinators.Combinator6
+
 
+
as(Combinators.F7<T1, T2, T3, T4, T5, T6, T7, R>) - Method in class net.jqwik.api.Combinators.Combinator7
+
 
+
as(Combinators.F8<T1, T2, T3, T4, T5, T6, T7, T8, R>) - Method in class net.jqwik.api.Combinators.Combinator8
+
 
+
as(Function<List<T>, R>) - Method in class net.jqwik.api.Combinators.ListCombinator
+
 
+
ascii() - Method in interface net.jqwik.api.arbitraries.CharacterArbitrary
+
+
Allow all ascii chars to show up in generated values.
+
+
ascii() - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Allow all ascii chars to show up in generated strings.
+
+
asGeneric() - Method in interface net.jqwik.api.Arbitrary
+
+
Sometimes simplifies test writing
+
+
asGeneric() - Method in interface net.jqwik.api.Shrinkable
+
+
Sometimes simplifies test writing
+
+
Assume - Class in net.jqwik.api
+
 
+
+ + + +

B

+
+
BASE - Static variable in interface net.jqwik.api.lifecycle.AroundPropertyHook
+
 
+
BASE - Static variable in interface net.jqwik.api.lifecycle.AroundTryHook
+
 
+
before(PropertyLifecycleContext) - Method in interface net.jqwik.api.lifecycle.PerProperty.Lifecycle
+
+
Override if you want to perform some work once before the annotated property (or example).
+
+
beforeContainer(ContainerLifecycleContext) - Method in interface net.jqwik.api.lifecycle.AroundContainerHook
+
 
+
BeforeContainer - Annotation Type in net.jqwik.api.lifecycle
+
+
Annotate static methods of a container class with @BeforeContainer + to have them run exactly once before any of its properties or any lifecycle + methods from embedded containers will be run.
+
+
beforeContainer(ContainerLifecycleContext) - Method in interface net.jqwik.api.lifecycle.BeforeContainerHook
+
+
The code of this method will be run exactly once before any property method or child container.
+
+
BeforeContainerHook - Interface in net.jqwik.api.lifecycle
+
+
Implement this hook to define behaviour for a container (class or whole test suite) + that should be run exactly once before any of its property methods and child containers.
+
+
beforeContainerProximity() - Method in interface net.jqwik.api.lifecycle.AroundContainerHook
+
 
+
beforeContainerProximity() - Method in interface net.jqwik.api.lifecycle.BeforeContainerHook
+
+
The higher the value, the closer to the actual property methods, i.e. the later it will be run.
+
+
BeforeExample - Annotation Type in net.jqwik.api.lifecycle
+
+
This is an alias of BeforeProperty
+
+
BeforeProperty - Annotation Type in net.jqwik.api.lifecycle
+
+
Annotate methods of a container class with @BeforeProperty + to have them run once before each property (or example) + including properties (or examples) of embedded containers.
+
+
BeforeTry - Annotation Type in net.jqwik.api.lifecycle
+
+
Annotate methods of a container class with @BeforeTry + to have them run once before each try - the actual invocation of the property + method with generated parameters - including properties of + embedded containers.
+
+
between(BigDecimal, BigDecimal) - Method in interface net.jqwik.api.arbitraries.BigDecimalArbitrary
+
+
Set the allowed lower min (included) and upper max (included) border of generated numbers.
+
+
between(BigDecimal, boolean, BigDecimal, boolean) - Method in interface net.jqwik.api.arbitraries.BigDecimalArbitrary
+
+
Set the allowed lower min (included) and upper max (included) border of generated numbers.
+
+
between(BigInteger, BigInteger) - Method in interface net.jqwik.api.arbitraries.BigIntegerArbitrary
+
+
Set the allowed lower min (included) and upper max (included) bounder of generated numbers.
+
+
between(byte, byte) - Method in interface net.jqwik.api.arbitraries.ByteArbitrary
+
+
Set the allowed lower min (included) and upper max (included) bounds of generated numbers.
+
+
between(double, double) - Method in interface net.jqwik.api.arbitraries.DoubleArbitrary
+
+
Set the allowed lower min (included) and upper max (included) border of generated numbers.
+
+
between(double, boolean, double, boolean) - Method in interface net.jqwik.api.arbitraries.DoubleArbitrary
+
+
Set the allowed lower min (included) and upper max (included) border of generated numbers.
+
+
between(float, float) - Method in interface net.jqwik.api.arbitraries.FloatArbitrary
+
+
Set the allowed lower min (included) and upper max (included) border of generated numbers.
+
+
between(float, boolean, float, boolean) - Method in interface net.jqwik.api.arbitraries.FloatArbitrary
+
+
Set the allowed lower min (included) and upper max (included) border of generated numbers.
+
+
between(int, int) - Method in interface net.jqwik.api.arbitraries.IntegerArbitrary
+
+
Set the allowed lower min (included) and upper max (included) bounder of generated numbers.
+
+
between(long, long) - Method in interface net.jqwik.api.arbitraries.LongArbitrary
+
+
Set the allowed lower min (included) and upper max (included) bounds of generated numbers.
+
+
between(short, short) - Method in interface net.jqwik.api.arbitraries.ShortArbitrary
+
+
Set the allowed lower min (included) and upper max (included) bounder of generated numbers.
+
+
biased() - Static method in interface net.jqwik.api.RandomDistribution
+
+
A distribution that generates values closer to the center of a numerical range + with a higher probability.
+
+
biased() - Method in class net.jqwik.api.RandomDistribution.RandomDistributionFacade
+
 
+
BigDecimalArbitrary - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure the generation of BigDecimal values.
+
+
bigDecimals() - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
bigDecimals() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that generates values of type BigDecimal.
+
+
BigIntegerArbitrary - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure the generation of BigInteger values.
+
+
bigIntegers() - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
bigIntegers() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that generates values of type BigInteger.
+
+
BigRange - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the range of a generated "Big" number.
+
+
Bucket(String) - Constructor for class net.jqwik.api.statistics.Histogram.Bucket
+
 
+
Bucket(String, int) - Constructor for class net.jqwik.api.statistics.Histogram.Bucket
+
 
+
buckets() - Method in class net.jqwik.api.statistics.NumberRangeHistogram
+
+
Determines the number of buckets into which the full range of collected + numbers will be clustered.
+
+
build(Function<B, T>) - Method in class net.jqwik.api.Combinators.BuilderCombinator
+
 
+
ByteArbitrary - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure the generation of Byte and byte values.
+
+
ByteRange - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the range of a generated byte or Byte parameters.
+
+
bytes() - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
bytes() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that generates values of type Byte.
+
+
+ + + +

C

+
+
canBeAssignedTo(TypeUsage) - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Check if an instance can be assigned to another TypeUsage instance.
+
+
CannotFindArbitraryException - Exception in net.jqwik.api
+
 
+
CannotFindArbitraryException(TypeUsage) - Constructor for exception net.jqwik.api.CannotFindArbitraryException
+
 
+
CannotFindArbitraryException(TypeUsage, ForAll) - Constructor for exception net.jqwik.api.CannotFindArbitraryException
+
 
+
CannotFindStoreException - Exception in net.jqwik.api.lifecycle
+
+
Experimental feature.
+
+
CannotFindStoreException(Object, String) - Constructor for exception net.jqwik.api.lifecycle.CannotFindStoreException
+
 
+
CannotResolveParameterException - Exception in net.jqwik.api.lifecycle
+
+
Experimental feature.
+
+
CannotResolveParameterException(ParameterResolutionContext, String) - Constructor for exception net.jqwik.api.lifecycle.CannotResolveParameterException
+
 
+
CannotResolveParameterException(Parameter, String) - Constructor for exception net.jqwik.api.lifecycle.CannotResolveParameterException
+
 
+
canProvideFor(TypeUsage) - Method in interface net.jqwik.api.providers.ArbitraryProvider
+
+
Return true if the provider is suitable for targetType
+
+
CharacterArbitrary - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure the generation of Character and char values.
+
+
CharRange - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the chars used to generate Strings or Characters to chars in the range + from from to to.
+
+
CharRangeList - Annotation Type in net.jqwik.api.constraints
+
 
+
chars() - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
chars() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that generates values of type Character.
+
+
Chars - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the chars used to generate Strings or Characters to chars + contained in value.
+
+
CharsList - Annotation Type in net.jqwik.api.constraints
+
 
+
check(T) - Method in interface net.jqwik.api.stateful.Invariant
+
 
+
check(Object...) - Method in interface net.jqwik.api.statistics.StatisticsCoverage
+
+
Select a specific values set for coverage checking.
+
+
checkQuery(Predicate<? extends List<?>>) - Method in interface net.jqwik.api.statistics.StatisticsCoverage
+
+
Execute a query for coverage checking.
+
+
cluster(List<StatisticsEntry>) - Method in class net.jqwik.api.statistics.Histogram
+
+
Cluster entries into buckets.
+
+
cluster(List<StatisticsEntry>) - Method in class net.jqwik.api.statistics.NumberRangeHistogram
+
+
Does not make sense to override because this has the number range functionality
+
+
collect(Predicate<List<T>>) - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type List<T> by adding elements of type T until condition until is fulfilled.
+
+
collect(Predicate<List<T>>) - Method in interface net.jqwik.api.RandomGenerator
+
 
+
collect(RandomGenerator<T>, Predicate<List<T>>) - Method in class net.jqwik.api.RandomGenerator.RandomGeneratorFacade
+
 
+
collect(Object...) - Static method in class net.jqwik.api.statistics.Statistics
+
+
Call this method to record an entry for statistical data about generated values.
+
+
collect(Object...) - Method in interface net.jqwik.api.statistics.StatisticsCollector
+
+
Call this method to record an entry for statistical data about generated values.
+
+
collectorByLabel(String) - Method in class net.jqwik.api.statistics.Statistics.StatisticsFacade
+
 
+
Combinators - Class in net.jqwik.api
+
 
+
Combinators.BuilderCombinator<B> - Class in net.jqwik.api
+
 
+
Combinators.CombinableBuilder<B,T> - Class in net.jqwik.api
+
 
+
Combinators.Combinator2<T1,T2> - Class in net.jqwik.api
+
 
+
Combinators.Combinator3<T1,T2,T3> - Class in net.jqwik.api
+
 
+
Combinators.Combinator4<T1,T2,T3,T4> - Class in net.jqwik.api
+
 
+
Combinators.Combinator5<T1,T2,T3,T4,T5> - Class in net.jqwik.api
+
 
+
Combinators.Combinator6<T1,T2,T3,T4,T5,T6> - Class in net.jqwik.api
+
 
+
Combinators.Combinator7<T1,T2,T3,T4,T5,T6,T7> - Class in net.jqwik.api
+
 
+
Combinators.Combinator8<T1,T2,T3,T4,T5,T6,T7,T8> - Class in net.jqwik.api
+
 
+
Combinators.CombinatorsFacade - Class in net.jqwik.api
+
 
+
Combinators.F2<T1,T2,R> - Interface in net.jqwik.api
+
 
+
Combinators.F3<T1,T2,T3,R> - Interface in net.jqwik.api
+
 
+
Combinators.F4<T1,T2,T3,T4,R> - Interface in net.jqwik.api
+
 
+
Combinators.F5<T1,T2,T3,T4,T5,R> - Interface in net.jqwik.api
+
 
+
Combinators.F6<T1,T2,T3,T4,T5,T6,R> - Interface in net.jqwik.api
+
 
+
Combinators.F7<T1,T2,T3,T4,T5,T6,T7,R> - Interface in net.jqwik.api
+
 
+
Combinators.F8<T1,T2,T3,T4,T5,T6,T7,T8,R> - Interface in net.jqwik.api
+
 
+
Combinators.ListCombinator<T> - Class in net.jqwik.api
+
 
+
CombinatorsFacade() - Constructor for class net.jqwik.api.Combinators.CombinatorsFacade
+
 
+
combine(Arbitrary<T1>, Arbitrary<T2>) - Static method in class net.jqwik.api.Combinators
+
+
Combine 2 arbitraries into one.
+
+
combine(Arbitrary<T1>, Arbitrary<T2>, Arbitrary<T3>) - Static method in class net.jqwik.api.Combinators
+
+
Combine 3 arbitraries into one.
+
+
combine(Arbitrary<T1>, Arbitrary<T2>, Arbitrary<T3>, Arbitrary<T4>) - Static method in class net.jqwik.api.Combinators
+
+
Combine 4 arbitraries into one.
+
+
combine(Arbitrary<T1>, Arbitrary<T2>, Arbitrary<T3>, Arbitrary<T4>, Arbitrary<T5>) - Static method in class net.jqwik.api.Combinators
+
+
Combine 5 arbitraries into one.
+
+
combine(Arbitrary<T1>, Arbitrary<T2>, Arbitrary<T3>, Arbitrary<T4>, Arbitrary<T5>, Arbitrary<T6>) - Static method in class net.jqwik.api.Combinators
+
+
Combine 6 arbitraries into one.
+
+
combine(Arbitrary<T1>, Arbitrary<T2>, Arbitrary<T3>, Arbitrary<T4>, Arbitrary<T5>, Arbitrary<T6>, Arbitrary<T7>) - Static method in class net.jqwik.api.Combinators
+
+
Combine 7 arbitraries into one.
+
+
combine(Arbitrary<T1>, Arbitrary<T2>, Arbitrary<T3>, Arbitrary<T4>, Arbitrary<T5>, Arbitrary<T6>, Arbitrary<T7>, Arbitrary<T8>) - Static method in class net.jqwik.api.Combinators
+
+
Combine 8 arbitraries into one.
+
+
combine(List<Arbitrary<T>>) - Static method in class net.jqwik.api.Combinators
+
+
Combine a list of arbitraries into one.
+
+
combine(List<Shrinkable<T>>) - Static method in class net.jqwik.api.ShrinkingDistance
+
 
+
combineEdgeCases(List<Arbitrary<Object>>, Function<List<Object>, R>) - Method in class net.jqwik.api.Combinators.CombinatorsFacade
+
 
+
combineExhaustive(List<Arbitrary<Object>>, Function<List<Object>, R>, long) - Method in class net.jqwik.api.Combinators.CombinatorsFacade
+
 
+
combineShrinkables(List<Shrinkable<Object>>, Function<List<Object>, R>) - Method in class net.jqwik.api.Combinators.CombinatorsFacade
+
 
+
comparator() - Method in class net.jqwik.api.statistics.Histogram
+
+
Determine how entries are being sorted from top to bottom.
+
+
comparator() - Method in class net.jqwik.api.statistics.NumberRangeHistogram
+
+
Does not make sense to override since order does not matter for clustering anyway
+
+
compareTo(ArbitraryConfigurator) - Method in interface net.jqwik.api.configurators.ArbitraryConfigurator
+
 
+
compareTo(FalsificationResult<T>) - Method in class net.jqwik.api.FalsificationResult
+
 
+
compareTo(AfterContainerHook) - Method in interface net.jqwik.api.lifecycle.AfterContainerHook
+
 
+
compareTo(AroundPropertyHook) - Method in interface net.jqwik.api.lifecycle.AroundPropertyHook
+
 
+
compareTo(AroundTryHook) - Method in interface net.jqwik.api.lifecycle.AroundTryHook
+
 
+
compareTo(BeforeContainerHook) - Method in interface net.jqwik.api.lifecycle.BeforeContainerHook
+
 
+
compareTo(SampleReportingFormat) - Method in interface net.jqwik.api.SampleReportingFormat
+
 
+
compareTo(Shrinkable<T>) - Method in interface net.jqwik.api.Shrinkable
+
 
+
compareTo(ShrinkingDistance) - Method in class net.jqwik.api.ShrinkingDistance
+
 
+
concat(EdgeCases<T>...) - Static method in interface net.jqwik.api.EdgeCases
+
 
+
concat(List<EdgeCases<T>>) - Static method in interface net.jqwik.api.EdgeCases
+
 
+
concat(List<EdgeCases<T>>) - Method in class net.jqwik.api.EdgeCases.EdgeCasesFacade
+
 
+
configure(Arbitrary<T>, TypeUsage) - Method in interface net.jqwik.api.configurators.ArbitraryConfigurator
+
+
Configure a given arbitrary and return the configured instance.
+
+
configure(Arbitrary<T>, TypeUsage) - Method in class net.jqwik.api.configurators.ArbitraryConfiguratorBase
+
 
+
configure(Arbitrary<T>, ArbitraryConfigurator, TypeUsage) - Static method in interface net.jqwik.api.configurators.SelfConfiguringArbitrary
+
+
If an arbitrary is self configuring use it, otherwise use default configurator
+
+
configure(ArbitraryConfigurator, TypeUsage) - Method in interface net.jqwik.api.configurators.SelfConfiguringArbitrary
+
+
Do all configuration yourself or delegate to ArbitraryConfigurator.configure(Arbitrary, TypeUsage) + of the configurator that's being handed in.
+
+
constant(T) - Static method in class net.jqwik.api.Arbitraries
+
+
Deprecated. +
Use Arbitraries.just(Object) instead. To be removed in version 2.0.
+
+
+
containedIn(Reporting[]) - Method in enum net.jqwik.api.Reporting
+
 
+
containerClass() - Method in interface net.jqwik.api.lifecycle.PropertyLifecycleContext
+
+
The container class in which the current property method is running.
+
+
containerClass() - Method in interface net.jqwik.api.lifecycle.TryLifecycleContext
+
+
The container class in which the current property method is running.
+
+
ContainerLifecycleContext - Interface in net.jqwik.api.lifecycle
+
+
The context of a test container (a container class or the whole jqwik suite).
+
+
count(Predicate<Integer>) - Method in interface net.jqwik.api.statistics.StatisticsCoverage.CoverageChecker
+
+
Check the number of occurrences returning true (ok) or false (fail)
+
+
count(BiPredicate<Integer, Integer>) - Method in interface net.jqwik.api.statistics.StatisticsCoverage.CoverageChecker
+
+
Check the number of occurrences using one or more assertions.
+
+
count(Consumer<Integer>) - Method in interface net.jqwik.api.statistics.StatisticsCoverage.CoverageChecker
+
+
Check the number of occurrences returning true (ok) or false (fail).
+
+
count(BiConsumer<Integer, Integer>) - Method in interface net.jqwik.api.statistics.StatisticsCoverage.CoverageChecker
+
+
Check the number of occurrences using one or more assertions.
+
+
count() - Method in interface net.jqwik.api.statistics.StatisticsEntry
+
+
The number of times a certain value (set) has been collected
+
+
countChecks() - Method in interface net.jqwik.api.lifecycle.PropertyExecutionResult
+
+
The number of tries for which parameters were created + and the property method run.
+
+
countTries() - Method in interface net.jqwik.api.lifecycle.PropertyExecutionResult
+
+
The number of tries for which parameters were created and the property method run + and which were not aborted, e.g. through a failing assumption.
+
+
coverage(Consumer<StatisticsCoverage>) - Static method in class net.jqwik.api.statistics.Statistics
+
+
Perform coverage checking for successful property on statistics + for values collected with Statistics.collect(Object...)
+
+
coverage(Consumer<StatisticsCoverage>) - Method in interface net.jqwik.api.statistics.StatisticsCollector
+
+
Perform coverage checking for successful property on statistics.
+
+
create(Supplier<T>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will use a supplier to generate a value.
+
+
create(Object, Lifespan, Supplier<T>) - Static method in interface net.jqwik.api.lifecycle.Store
+
+
Create a new store for storing and retrieving values and objects in lifecycle + hooks and lifecycle-dependent methods.
+
+
create(Object, Lifespan, Supplier<T>) - Method in class net.jqwik.api.lifecycle.Store.StoreFacade
+
 
+
createGenerator(int, BigInteger, BigInteger, BigInteger) - Method in interface net.jqwik.api.RandomDistribution
+
+
Return a generator that will generate value with the desired distribution
+
+
current() - Method in interface net.jqwik.api.ShrinkingSequence
+
 
+
+ + + +

D

+
+
Data - Annotation Type in net.jqwik.api
+
+
Used to annotate methods that can provide data points for property methods.
+
+
DEFAULT_STEREOTYPE - Static variable in annotation type net.jqwik.api.Property
+
 
+
defaultCollector() - Method in class net.jqwik.api.statistics.Statistics.StatisticsFacade
+
 
+
defaultFor(Class<T>, Class<?>[]) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
defaultFor(TypeUsage) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
defaultFor(Class<T>, Class<?>...) - Static method in class net.jqwik.api.Arbitraries
+
+
Find a registered arbitrary that will be used to generate values of type T.
+
+
defaultFor(TypeUsage) - Static method in class net.jqwik.api.Arbitraries
+
+
Find a registered arbitrary that will be used to generate values of type T.
+
+
digit() - Method in interface net.jqwik.api.arbitraries.CharacterArbitrary
+
+
Allow all numeric chars (digits) to show up in generated values.
+
+
dimensions() - Method in class net.jqwik.api.ShrinkingDistance
+
 
+
Disabled - Annotation Type in net.jqwik.api
+
+
Use @Disabled("reason to disable") to disable test container or test method + during normal test execution.
+
+
distance() - Method in class net.jqwik.api.FalsificationResult
+
 
+
distance() - Method in interface net.jqwik.api.Shrinkable
+
 
+
DO_NOT_RESOLVE - Static variable in interface net.jqwik.api.lifecycle.ResolveParameterHook
+
 
+
DO_NOT_SKIP - Static variable in interface net.jqwik.api.lifecycle.SkipExecutionHook
+
 
+
DO_NOTHING - Static variable in interface net.jqwik.api.lifecycle.AfterContainerHook
+
 
+
DO_NOTHING - Static variable in interface net.jqwik.api.lifecycle.BeforeContainerHook
+
 
+
Domain - Annotation Type in net.jqwik.api.domains
+
+
Use @Domain(MyDomainContext.class) to use only + arbitrary providers and + arbitrary configurators + defined in given context class + + You can have many domains on the same element.
+
+
DomainContext - Interface in net.jqwik.api.domains
+
+
Class that implement this interface are used to annotate property methods or containers like this: + Domain(MyDomainContext.class).
+
+
DomainContext.DomainContextFacade - Class in net.jqwik.api.domains
+
 
+
DomainContext.Global - Class in net.jqwik.api.domains
+
 
+
DomainContextFacade() - Constructor for class net.jqwik.api.domains.DomainContext.DomainContextFacade
+
 
+
DomainList - Annotation Type in net.jqwik.api.domains
+
 
+
doNotSkip() - Static method in class net.jqwik.api.lifecycle.SkipExecutionHook.SkipResult
+
+
Create instance of SkipExecutionHook.SkipResult to make the current element not being skipped.
+
+
dontShrink() - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type T that will use the underlying + arbitrary to create the tuple values but will return unshrinkable values.
+
+
dontShrink() - Method in interface net.jqwik.api.EdgeCases
+
 
+
dontShrink() - Method in interface net.jqwik.api.RandomGenerator
+
 
+
dontShrink(Shrinkable<T>) - Static method in interface net.jqwik.api.ShrinkingSequence
+
 
+
dontShrink(Shrinkable<T>) - Method in class net.jqwik.api.ShrinkingSequence.ShrinkingSequenceFacade
+
 
+
DoubleArbitrary - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure the generation of Double and double values.
+
+
DoubleRange - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the range of a generated double or Double parameters.
+
+
doubles() - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
doubles() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that generates values of type Double.
+
+
+ + + +

E

+
+
edgeCases() - Method in interface net.jqwik.api.Arbitrary
+
 
+
EdgeCases<T> - Interface in net.jqwik.api
+
 
+
EdgeCases.EdgeCasesFacade - Class in net.jqwik.api
+
 
+
edgeCasesChoose(List<T>) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
edgeCasesChoose(char[]) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
EdgeCasesFacade() - Constructor for class net.jqwik.api.EdgeCases.EdgeCasesFacade
+
 
+
EdgeCasesMode - Enum in net.jqwik.api
+
+
The edge-cases mode determines if and when combined edge-cases of all parameters will be explicitly generated.
+
+
ensureFunctionalType(Class<?>) - Method in class net.jqwik.api.Functions.FunctionsFacade
+
 
+
entries(Arbitrary<K>, Arbitrary<V>) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
entries(Arbitrary<K>, Arbitrary<V>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary to create instances of Map.Entry.
+
+
equals(Object) - Method in class net.jqwik.api.ShrinkingDistance
+
 
+
equals(Object) - Method in class net.jqwik.api.Tuple.Tuple1
+
 
+
equals(Object) - Method in class net.jqwik.api.Tuple.Tuple2
+
 
+
equals(Object) - Method in class net.jqwik.api.Tuple.Tuple3
+
 
+
equals(Object) - Method in class net.jqwik.api.Tuple.Tuple4
+
 
+
equals(Object) - Method in class net.jqwik.api.Tuple.Tuple5
+
 
+
equals(Object) - Method in class net.jqwik.api.Tuple.Tuple6
+
 
+
equals(Object) - Method in class net.jqwik.api.Tuple.Tuple7
+
 
+
equals(Object) - Method in class net.jqwik.api.Tuple.Tuple8
+
 
+
Example - Annotation Type in net.jqwik.api
+
+
Use @Example to mark methods that are simple, example-based + test cases.
+
+
execute(T) - Method in interface net.jqwik.api.Falsifier
+
 
+
execute() - Method in interface net.jqwik.api.lifecycle.PropertyExecutor
+
+
Call to actually run the property, including all hooks that are "closer" + (have a higher proximity) than the current hook.
+
+
execute(List<Object>) - Method in interface net.jqwik.api.lifecycle.TryExecutor
+
 
+
exhaustive() - Method in interface net.jqwik.api.Arbitrary
+
+
Create the exhaustive generator for an arbitrary using the maximum allowed + number of generated samples.
+
+
exhaustive(long) - Method in interface net.jqwik.api.Arbitrary
+
+
Create the exhaustive generator for an arbitrary.
+
+
exhaustiveChoose(List<T>, long) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
exhaustiveChoose(char[], long) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
exhaustiveCreate(Supplier<T>, long) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
ExhaustiveGenerator<T> - Interface in net.jqwik.api
+
+
Used only internally to run and compute exhaustive generation of parameters
+
+
ExhaustiveGenerator.ExhaustiveGeneratorFacade - Class in net.jqwik.api
+
 
+
ExhaustiveGeneratorFacade() - Constructor for class net.jqwik.api.ExhaustiveGenerator.ExhaustiveGeneratorFacade
+
 
+
exhaustiveShuffle(List<T>, long) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
extendedLabel() - Method in interface net.jqwik.api.lifecycle.PropertyLifecycleContext
+
+
The extended label contains additional information about the current container class.
+
+
+ + + +

F

+
+
FacadeLoader - Class in net.jqwik.api
+
 
+
FacadeLoader() - Constructor for class net.jqwik.api.FacadeLoader
+
 
+
FalsificationResult<T> - Class in net.jqwik.api
+
 
+
FalsificationResult.Status - Enum in net.jqwik.api
+
 
+
falsified(Shrinkable<T>) - Static method in class net.jqwik.api.FalsificationResult
+
 
+
falsified(Shrinkable<T>, Throwable) - Static method in class net.jqwik.api.FalsificationResult
+
 
+
falsified(Throwable) - Static method in interface net.jqwik.api.lifecycle.TryExecutionResult
+
+
Create a result that falsified the current property and will immediately + finish this property as failed.
+
+
falsifiedSample() - Method in interface net.jqwik.api.lifecycle.PropertyExecutionResult
+
+
The potentially shrunk set of parameters that falsified this property.
+
+
Falsifier<T> - Interface in net.jqwik.api
+
 
+
falsify(Shrinkable<T>) - Method in interface net.jqwik.api.Falsifier
+
 
+
filter(Predicate<T>) - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of the same type T that creates and shrinks the original arbitrary but only allows + values that are accepted by the filterPredicate.
+
+
filter(EdgeCases<T>, Predicate<T>) - Method in class net.jqwik.api.EdgeCases.EdgeCasesFacade
+
 
+
filter(Predicate<T>) - Method in interface net.jqwik.api.EdgeCases
+
 
+
filter(ExhaustiveGenerator<T>, Predicate<T>) - Method in class net.jqwik.api.ExhaustiveGenerator.ExhaustiveGeneratorFacade
+
 
+
filter(Predicate<T>) - Method in interface net.jqwik.api.ExhaustiveGenerator
+
 
+
filter(Predicate<T>) - Method in class net.jqwik.api.FalsificationResult
+
 
+
filter(Predicate<T>) - Method in interface net.jqwik.api.RandomGenerator
+
 
+
filter(RandomGenerator<T>, Predicate<T>) - Method in class net.jqwik.api.RandomGenerator.RandomGeneratorFacade
+
 
+
filter(Predicate<T>) - Method in interface net.jqwik.api.Shrinkable
+
 
+
filter(Shrinkable<T>, Predicate<T>) - Method in class net.jqwik.api.Shrinkable.ShrinkableFacade
+
 
+
filtered(Shrinkable<T>) - Static method in class net.jqwik.api.FalsificationResult
+
 
+
finalModel() - Method in interface net.jqwik.api.stateful.ActionSequence
+
 
+
findAnnotation(Class<T>) - Method in interface net.jqwik.api.lifecycle.LifecycleContext
+
+
Retrieve an annotation if present at the current test element.
+
+
findAnnotation(Class<A>) - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return an Optional of the first instance of a specific annotationType + if there is one (directly or indirectly through meta-annotations).
+
+
fixGenSize(int) - Method in interface net.jqwik.api.Arbitrary
+
+
Fix the genSize of an arbitrary so that it can no longer be influenced from outside
+
+
flatAs(Combinators.F2<T1, T2, Arbitrary<R>>) - Method in class net.jqwik.api.Combinators.Combinator2
+
 
+
flatAs(Combinators.F3<T1, T2, T3, Arbitrary<R>>) - Method in class net.jqwik.api.Combinators.Combinator3
+
 
+
flatAs(Combinators.F4<T1, T2, T3, T4, Arbitrary<R>>) - Method in class net.jqwik.api.Combinators.Combinator4
+
 
+
flatAs(Combinators.F5<T1, T2, T3, T4, T5, Arbitrary<R>>) - Method in class net.jqwik.api.Combinators.Combinator5
+
 
+
flatAs(Combinators.F6<T1, T2, T3, T4, T5, T6, Arbitrary<R>>) - Method in class net.jqwik.api.Combinators.Combinator6
+
 
+
flatAs(Combinators.F7<T1, T2, T3, T4, T5, T6, T7, Arbitrary<R>>) - Method in class net.jqwik.api.Combinators.Combinator7
+
 
+
flatAs(Combinators.F8<T1, T2, T3, T4, T5, T6, T7, T8, Arbitrary<R>>) - Method in class net.jqwik.api.Combinators.Combinator8
+
 
+
flatAs(Function<List<T>, Arbitrary<R>>) - Method in class net.jqwik.api.Combinators.ListCombinator
+
 
+
flatMap(Function<T, Arbitrary<U>>) - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type U that uses the values of the existing arbitrary to create a new arbitrary + using the mapper function.
+
+
flatMap(Function<T, RandomGenerator<U>>) - Method in interface net.jqwik.api.RandomGenerator
+
 
+
flatMap(Function<T, Arbitrary<U>>, int) - Method in interface net.jqwik.api.RandomGenerator
+
 
+
flatMap(Shrinkable<T>, Function<T, RandomGenerator<U>>, long) - Method in class net.jqwik.api.RandomGenerator.RandomGeneratorFacade
+
 
+
flatMap(Shrinkable<T>, Function<T, Arbitrary<U>>, int, long) - Method in class net.jqwik.api.RandomGenerator.RandomGeneratorFacade
+
 
+
flatMap(Function<T, Arbitrary<U>>, int, long) - Method in interface net.jqwik.api.Shrinkable
+
 
+
flatMap(Shrinkable<T>, Function<T, Arbitrary<U>>, int, long) - Method in class net.jqwik.api.Shrinkable.ShrinkableFacade
+
 
+
flatMapArbitrary(EdgeCases<T>, Function<T, Arbitrary<U>>) - Method in class net.jqwik.api.EdgeCases.EdgeCasesFacade
+
 
+
flatMapArbitrary(Function<T, Arbitrary<U>>) - Method in interface net.jqwik.api.EdgeCases
+
 
+
flatMapEach(BiFunction<List<T>, T, Arbitrary<U>>) - Method in interface net.jqwik.api.arbitraries.ListArbitrary
+
+
Flat-map over each element of the generated streamable giving access to the + all elements when streaming.
+
+
flatMapEach(BiFunction<Set<T>, T, Arbitrary<U>>) - Method in interface net.jqwik.api.arbitraries.SetArbitrary
+
+
Flat-map over each element of the generated streamable giving access to the + all elements when streaming.
+
+
flatMapExhaustiveGenerator(ExhaustiveGenerator<T>, Function<T, Arbitrary<U>>, long) - Method in class net.jqwik.api.Arbitrary.ArbitraryFacade
+
 
+
FloatArbitrary - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure the generation of Float and float values.
+
+
FloatRange - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the range of a generated float or Float parameters.
+
+
floats() - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
floats() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that generates values of type Float.
+
+
ForAll - Annotation Type in net.jqwik.api
+
+
Used to annotate method parameters that will be provided by jqwik.
+
+
forCollection(Collection<Shrinkable<T>>) - Static method in class net.jqwik.api.ShrinkingDistance
+
 
+
forEachValue(Consumer<? super T>) - Method in interface net.jqwik.api.Arbitrary
+
+
Iterate through each value this arbitrary can generate if - and only if - + exhaustive generation is possible.
+
+
formatReport(List<StatisticsEntry>) - Method in class net.jqwik.api.statistics.Histogram
+
 
+
formatReport(List<StatisticsEntry>) - Method in class net.jqwik.api.statistics.StatisticsReport.None
+
 
+
formatReport(List<StatisticsEntry>) - Method in interface net.jqwik.api.statistics.StatisticsReportFormat
+
+
Return a list of report lines.
+
+
forType(Class<T>) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
forType(Class<T>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary for type T that will by default use the type's + public constructors and public factory methods.
+
+
forType(Type) - Static method in interface net.jqwik.api.providers.TypeUsage
+
 
+
forType(Type) - Method in class net.jqwik.api.providers.TypeUsage.TypeUsageFacade
+
 
+
frequency(Tuple.Tuple2<Integer, T>...) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will randomly choose between all given values of the same type T.
+
+
frequency(List<Tuple.Tuple2<Integer, T>>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will randomly choose between all given values of the same type T.
+
+
frequencyOf(List<Tuple.Tuple2<Integer, Arbitrary<T>>>) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
frequencyOf(Tuple.Tuple2<Integer, Arbitrary<T>>...) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will randomly choose between all given arbitraries of the same type T.
+
+
frequencyOf(List<Tuple.Tuple2<Integer, Arbitrary<T>>>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will randomly choose between all given arbitraries of the same type T.
+
+
From - Annotation Type in net.jqwik.api
+
+
Used to annotate type parameters within property parameters annotated with ForAll .
+
+
FromData - Annotation Type in net.jqwik.api
+
+
Used to annotate property methods.
+
+
fromGenerator(RandomGenerator<T>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary of type T from a corresponding generator of type T.
+
+
fromShrinkables(List<Shrinkable<T>>) - Static method in interface net.jqwik.api.EdgeCases
+
 
+
fromSupplier(Supplier<Shrinkable<T>>) - Static method in interface net.jqwik.api.EdgeCases
+
 
+
fromSuppliers(List<Supplier<Shrinkable<T>>>) - Method in class net.jqwik.api.EdgeCases.EdgeCasesFacade
+
 
+
fromSuppliers(List<Supplier<Shrinkable<T>>>) - Static method in interface net.jqwik.api.EdgeCases
+
 
+
function(Class<?>) - Static method in class net.jqwik.api.Functions
+
+
Create a wrapper for functional types + i.e. types marked FunctionalInterface or representing a + SAM (single abstract method) type.
+
+
function(Class<?>, Arbitrary<R>) - Method in class net.jqwik.api.Functions.FunctionsFacade
+
 
+
FunctionArbitrary<F,R> - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure arbitraries that represent functional types
+
+
Functions - Class in net.jqwik.api
+
 
+
Functions.FunctionsFacade - Class in net.jqwik.api
+
 
+
Functions.FunctionWrapper - Class in net.jqwik.api
+
 
+
FunctionsFacade() - Constructor for class net.jqwik.api.Functions.FunctionsFacade
+
 
+
+ + + +

G

+
+
gaussian(double) - Static method in interface net.jqwik.api.RandomDistribution
+
+
A distribution that generates values with (potentially asymmetric) gaussian distribution + the mean of which is the specified center and the probability at the borders is + approximately borderSigma times standard deviation.
+
+
gaussian() - Static method in interface net.jqwik.api.RandomDistribution
+
+
A gaussian distribution with borderSigma of 3, + i.e. approximately 99.7% of values are within the borders.
+
+
gaussian(double) - Method in class net.jqwik.api.RandomDistribution.RandomDistributionFacade
+
 
+
generateFirst() - Method in enum net.jqwik.api.EdgeCasesMode
+
 
+
GenerationMode - Enum in net.jqwik.api
+
+
The generation mode defines the generation behaviour of a property.
+
+
generator(int) - Method in interface net.jqwik.api.Arbitrary
+
+
Create the random generator for an arbitrary
+
+
get(Optional<TryLifecycleContext>) - Method in interface net.jqwik.api.lifecycle.ResolveParameterHook.ParameterSupplier
+
+
Supply the requested parameter.
+
+
get() - Method in interface net.jqwik.api.lifecycle.Store
+
 
+
get(Object) - Static method in interface net.jqwik.api.lifecycle.Store
+
+
Retrieve a store that must be created somewhere else.
+
+
get(Object) - Method in class net.jqwik.api.lifecycle.Store.StoreFacade
+
 
+
get1() - Method in class net.jqwik.api.Tuple.Tuple1
+
 
+
get2() - Method in class net.jqwik.api.Tuple.Tuple2
+
 
+
get3() - Method in class net.jqwik.api.Tuple.Tuple3
+
 
+
get4() - Method in class net.jqwik.api.Tuple.Tuple4
+
 
+
get5() - Method in class net.jqwik.api.Tuple.Tuple5
+
 
+
get6() - Method in class net.jqwik.api.Tuple.Tuple6
+
 
+
get7() - Method in class net.jqwik.api.Tuple.Tuple7
+
 
+
get8() - Method in class net.jqwik.api.Tuple.Tuple8
+
 
+
getAnnotatedType() - Method in interface net.jqwik.api.providers.TypeUsage
+
 
+
getAnnotations() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return all annotations of a parameter (or an annotated type argument).
+
+
getArbitraryConfigurators() - Method in class net.jqwik.api.domains.AbstractDomainContextBase
+
 
+
getArbitraryConfigurators() - Method in interface net.jqwik.api.domains.DomainContext
+
 
+
getArbitraryConfigurators() - Method in class net.jqwik.api.domains.DomainContext.Global
+
 
+
getArbitraryProviders() - Method in class net.jqwik.api.domains.AbstractDomainContextBase
+
 
+
getArbitraryProviders() - Method in interface net.jqwik.api.domains.DomainContext
+
 
+
getArbitraryProviders() - Method in class net.jqwik.api.domains.DomainContext.Global
+
 
+
getComponentType() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return an Optional of an array's component type - if it is an array.
+
+
getInterfaces() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return interfaces of this type.
+
+
getLowerBounds() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return lower bounds if a generic type is a wildcard.
+
+
getOrCreate(Object, Lifespan, Supplier<T>) - Static method in interface net.jqwik.api.lifecycle.Store
+
+
Find an existing store or create a new one if it doesn't exist
+
+
getRawType() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return the raw type which is usually the class or interface you see in a parameters or return values + specification.
+
+
getSuperclass() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return superclass of this type.
+
+
getType() - Method in interface net.jqwik.api.providers.TypeUsage
+
 
+
getTypeArgument(int) - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return the type argument at a specific position.
+
+
getTypeArguments() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return the type arguments of a generic type in the order of there appearance in a type's declaration.
+
+
getUpperBounds() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return upper bounds if a generic type is a wildcard or type variable.
+
+
global() - Method in class net.jqwik.api.domains.DomainContext.DomainContextFacade
+
 
+
global() - Static method in interface net.jqwik.api.domains.DomainContext
+
 
+
Global() - Constructor for class net.jqwik.api.domains.DomainContext.Global
+
 
+
greaterOrEqual(BigDecimal) - Method in interface net.jqwik.api.arbitraries.BigDecimalArbitrary
+
+
Set the allowed lower min (included) border of generated numbers.
+
+
greaterOrEqual(BigInteger) - Method in interface net.jqwik.api.arbitraries.BigIntegerArbitrary
+
+
Set the allowed lower min (included) bounder of generated numbers.
+
+
greaterOrEqual(byte) - Method in interface net.jqwik.api.arbitraries.ByteArbitrary
+
+
Set the allowed lower min (included) bound of generated numbers.
+
+
greaterOrEqual(double) - Method in interface net.jqwik.api.arbitraries.DoubleArbitrary
+
+
Set the allowed lower min (included) border of generated numbers.
+
+
greaterOrEqual(float) - Method in interface net.jqwik.api.arbitraries.FloatArbitrary
+
+
Set the allowed lower min (included) border of generated numbers.
+
+
greaterOrEqual(int) - Method in interface net.jqwik.api.arbitraries.IntegerArbitrary
+
+
Set the allowed lower min (included) bounder of generated numbers.
+
+
greaterOrEqual(long) - Method in interface net.jqwik.api.arbitraries.LongArbitrary
+
+
Set the allowed lower min (included) bound of generated numbers.
+
+
greaterOrEqual(short) - Method in interface net.jqwik.api.arbitraries.ShortArbitrary
+
+
Set the allowed lower min (included) bounder of generated numbers.
+
+
greaterThan(BigDecimal) - Method in interface net.jqwik.api.arbitraries.BigDecimalArbitrary
+
+
Set the allowed lower min (excluded) border of generated numbers.
+
+
greaterThan(double) - Method in interface net.jqwik.api.arbitraries.DoubleArbitrary
+
+
Set the allowed lower min (excluded) border of generated numbers.
+
+
greaterThan(float) - Method in interface net.jqwik.api.arbitraries.FloatArbitrary
+
+
Set the allowed lower min (excluded) border of generated numbers.
+
+
Group - Annotation Type in net.jqwik.api
+
 
+
+ + + +

H

+
+
hashCode() - Method in class net.jqwik.api.ShrinkingDistance
+
 
+
hashCode() - Method in class net.jqwik.api.Tuple.Tuple1
+
 
+
hashCode() - Method in class net.jqwik.api.Tuple.Tuple2
+
 
+
hashCode() - Method in class net.jqwik.api.Tuple.Tuple3
+
 
+
hashCode() - Method in class net.jqwik.api.Tuple.Tuple4
+
 
+
hashCode() - Method in class net.jqwik.api.Tuple.Tuple5
+
 
+
hashCode() - Method in class net.jqwik.api.Tuple.Tuple6
+
 
+
hashCode() - Method in class net.jqwik.api.Tuple.Tuple7
+
 
+
hashCode() - Method in class net.jqwik.api.Tuple.Tuple8
+
 
+
Histogram - Class in net.jqwik.api.statistics
+
+
A statistics report format to display collected statistics entries as a histogram
+
+
Histogram() - Constructor for class net.jqwik.api.statistics.Histogram
+
 
+
Histogram.Bucket - Class in net.jqwik.api.statistics
+
 
+
+ + + +

I

+
+
ignoreException(Class<? extends Throwable>) - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type T that will use the underlying + arbitrary to create the tuple values but will ignore any raised exception of + type exceptionType during generation.
+
+
ignoreException(EdgeCases<T>, Class<? extends Throwable>) - Method in class net.jqwik.api.EdgeCases.EdgeCasesFacade
+
 
+
ignoreException(Class<? extends Throwable>) - Method in interface net.jqwik.api.EdgeCases
+
 
+
ignoreException(ExhaustiveGenerator<T>, Class<? extends Throwable>) - Method in class net.jqwik.api.ExhaustiveGenerator.ExhaustiveGeneratorFacade
+
 
+
ignoreException(Class<? extends Throwable>) - Method in interface net.jqwik.api.ExhaustiveGenerator
+
 
+
ignoreException(Class<? extends Throwable>) - Method in interface net.jqwik.api.RandomGenerator
+
 
+
ignoreException(RandomGenerator<T>, Class<? extends Throwable>) - Method in class net.jqwik.api.RandomGenerator.RandomGeneratorFacade
+
 
+
in(Combinators.F2<B, T, C>) - Method in class net.jqwik.api.Combinators.CombinableBuilder
+
 
+
index() - Method in interface net.jqwik.api.lifecycle.ParameterResolutionContext
+
 
+
init(FalsificationResult<T>) - Method in interface net.jqwik.api.ShrinkingSequence
+
 
+
injectDuplicates(double) - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type Iterable<T> that will + inject duplicates of previously generated values with a probability of duplicateProbability.
+
+
injectDuplicates(double) - Method in interface net.jqwik.api.RandomGenerator
+
 
+
injectDuplicates(RandomGenerator<T>, double) - Method in class net.jqwik.api.RandomGenerator.RandomGeneratorFacade
+
 
+
injectNull(double) - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of the same type but inject null values with a probability of nullProbability.
+
+
injectNull(ExhaustiveGenerator<T>) - Method in class net.jqwik.api.ExhaustiveGenerator.ExhaustiveGeneratorFacade
+
 
+
injectNull() - Method in interface net.jqwik.api.ExhaustiveGenerator
+
 
+
injectNull(double) - Method in interface net.jqwik.api.RandomGenerator
+
 
+
IntegerArbitrary - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure the generation of Integer and int values.
+
+
integers() - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
integers() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that generates values of type Integer.
+
+
IntRange - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the range of a generated int or Integer parameters.
+
+
invalid() - Static method in interface net.jqwik.api.lifecycle.TryExecutionResult
+
+
Create a result that calls out the current parameter list as invalid.
+
+
Invariant<T> - Interface in net.jqwik.api.stateful
+
 
+
isAnnotated(Class<A>) - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return true if the current instance is annotated (directly or indirectly through meta-annotations) + with a specific annotationType.
+
+
isArray() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return true if a type is an array type.
+
+
isAssignableFrom(Class<?>) - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Check if a given providedClass is assignable from this generic type.
+
+
isEmpty() - Method in interface net.jqwik.api.EdgeCases
+
 
+
isEnum() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return true if a type is an enum type.
+
+
isGeneric() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return true if a type has any type arguments itself.
+
+
isOfType(Class<?>) - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Check if an instance is of a specific raw type + + Most of the time this is what you want to do when checking for applicability of a + ArbitraryProvider.
+
+
isSatisfied() - Method in interface net.jqwik.api.lifecycle.TryExecutionResult
+
 
+
isSkipped() - Method in class net.jqwik.api.lifecycle.SkipExecutionHook.SkipResult
+
+
Whether execution of the context should be skipped.
+
+
isSmallerThan(Shrinkable<T>) - Method in interface net.jqwik.api.Shrinkable
+
 
+
isTypeVariable() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return true if a generic type is a wildcard.
+
+
isTypeVariableOrWildcard() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return true if a generic type is a type variable or a wildcard.
+
+
isUnique() - Method in interface net.jqwik.api.Arbitrary
+
+
All arbitraries whose base generator is supposed to produce no duplicates + should return true.
+
+
isVoid() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return true if type is Void.
+
+
isWildcard() - Method in interface net.jqwik.api.providers.TypeUsage
+
+
Return true if a generic type is a wildcard.
+
+
items() - Method in interface net.jqwik.api.Tuple
+
 
+
items() - Method in class net.jqwik.api.Tuple.Tuple1
+
 
+
items() - Method in class net.jqwik.api.Tuple.Tuple2
+
 
+
items() - Method in class net.jqwik.api.Tuple.Tuple3
+
 
+
items() - Method in class net.jqwik.api.Tuple.Tuple4
+
 
+
items() - Method in class net.jqwik.api.Tuple.Tuple5
+
 
+
items() - Method in class net.jqwik.api.Tuple.Tuple6
+
 
+
items() - Method in class net.jqwik.api.Tuple.Tuple7
+
 
+
items() - Method in class net.jqwik.api.Tuple.Tuple8
+
 
+
itemsToString() - Method in interface net.jqwik.api.Tuple
+
 
+
iterator(Arbitrary<T>) - Method in class net.jqwik.api.Arbitrary.ArbitraryFacade
+
 
+
iterator() - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type Iterable<T> using the existing arbitrary for generating the elements of the + stream.
+
+
iterator() - Method in interface net.jqwik.api.EdgeCases
+
 
+
IteratorArbitrary<T> - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to add functionality to arbitraries that generate instances + of type Iterator
+
+
+ + + +

J

+
+
JqwikException - Exception in net.jqwik.api
+
+
Base exception for exceptions that are thrown during the discovery phase + and during setup of properties before they are actually run.
+
+
JqwikException(String) - Constructor for exception net.jqwik.api.JqwikException
+
 
+
JqwikException(String, Throwable) - Constructor for exception net.jqwik.api.JqwikException
+
 
+
just(T) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will always generate the same value.
+
+
+ + + +

L

+
+
Label - Annotation Type in net.jqwik.api
+
+
Use @Label("a descriptive name") to give test classes, groups and methods + a more readable label (aka display name).
+
+
label() - Method in interface net.jqwik.api.lifecycle.LifecycleContext
+
+
The elements label under which it shows up in test reports and IDEs.
+
+
label(Object) - Method in interface net.jqwik.api.SampleReportingFormat
+
 
+
label(StatisticsEntry) - Method in class net.jqwik.api.statistics.Histogram
+
+
Determine how entries are being labelled in the histogram.
+
+
label(StatisticsEntry) - Method in class net.jqwik.api.statistics.NumberRangeHistogram
+
+
Does not make sense to override since these labels won't be used anyway
+
+
label(String) - Static method in class net.jqwik.api.statistics.Statistics
+
+
Call this method to get a labeled instance of StatisticsCollector.
+
+
lazy(Supplier<Arbitrary<T>>) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
lazy(Supplier<Arbitrary<T>>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will evaluate arbitrarySupplier as soon as it is used for generating values.
+
+
lessOrEqual(BigDecimal) - Method in interface net.jqwik.api.arbitraries.BigDecimalArbitrary
+
+
Set the allowed upper max (included) bounder of generated numbers.
+
+
lessOrEqual(BigInteger) - Method in interface net.jqwik.api.arbitraries.BigIntegerArbitrary
+
+
Set the allowed upper max (included) bounder of generated numbers.
+
+
lessOrEqual(byte) - Method in interface net.jqwik.api.arbitraries.ByteArbitrary
+
+
Set the allowed upper max (included) bound of generated numbers.
+
+
lessOrEqual(double) - Method in interface net.jqwik.api.arbitraries.DoubleArbitrary
+
+
Set the allowed upper max (included) border of generated numbers.
+
+
lessOrEqual(float) - Method in interface net.jqwik.api.arbitraries.FloatArbitrary
+
+
Set the allowed upper max (included) border of generated numbers.
+
+
lessOrEqual(int) - Method in interface net.jqwik.api.arbitraries.IntegerArbitrary
+
+
Set the allowed upper max (included) bounder of generated numbers.
+
+
lessOrEqual(long) - Method in interface net.jqwik.api.arbitraries.LongArbitrary
+
+
Set the allowed upper max (included) bound of generated numbers.
+
+
lessOrEqual(short) - Method in interface net.jqwik.api.arbitraries.ShortArbitrary
+
+
Set the allowed upper max (included) bounder of generated numbers.
+
+
lessThan(BigDecimal) - Method in interface net.jqwik.api.arbitraries.BigDecimalArbitrary
+
+
Set the allowed upper max (excluded) border of generated numbers.
+
+
lessThan(double) - Method in interface net.jqwik.api.arbitraries.DoubleArbitrary
+
+
Set the allowed upper max (excluded) border of generated numbers.
+
+
lessThan(float) - Method in interface net.jqwik.api.arbitraries.FloatArbitrary
+
+
Set the allowed upper max (excluded) border of generated numbers.
+
+
LifecycleContext - Interface in net.jqwik.api.lifecycle
+
+
Supertype of all lifecycle context interfaces.
+
+
LifecycleHook - Interface in net.jqwik.api.lifecycle
+
+
This is the supertype of all lifecycle hook interfaces.
+
+
LifecycleHooks - Annotation Type in net.jqwik.api.lifecycle
+
+
Experimental feature.
+
+
Lifespan - Enum in net.jqwik.api.lifecycle
+
+
Define how long a resource, + e.g. the value in a Store with the same identifier, + will live: + + + For the whole test run + For the currently running property + For the currently running try + + + Any hook or collection of hooks can use this enum to allow the specification + of the lifespan of resources from which it is abstracting.
+
+
lifespan() - Method in interface net.jqwik.api.lifecycle.Store
+
 
+
list(Arbitrary<T>) - Method in class net.jqwik.api.Arbitrary.ArbitraryFacade
+
 
+
list() - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type List<T> using the existing arbitrary for generating the elements of the list.
+
+
ListArbitrary<T> - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to add functionality to arbitraries that generate instances + of type List
+
+
load(Class<T>) - Static method in class net.jqwik.api.FacadeLoader
+
+
Load single implementation of an API facade.
+
+
LongArbitrary - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure the generation of Long and long values.
+
+
LongRange - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the range of a generated long or BigInteger parameters.
+
+
longs() - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
longs() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that generates values of type Long.
+
+
LowerChars - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the chars used to generate Strings or Characters to lower case chars.
+
+
+ + + +

M

+
+
makeUnshrinkable() - Method in interface net.jqwik.api.Shrinkable
+
 
+
map(Function<T, U>) - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type U that maps the values of the original arbitrary using the mapper + function.
+
+
map(Function<T, U>) - Method in interface net.jqwik.api.EdgeCases
+
 
+
map(ExhaustiveGenerator<T>, Function<T, U>) - Method in class net.jqwik.api.ExhaustiveGenerator.ExhaustiveGeneratorFacade
+
 
+
map(Function<T, U>) - Method in interface net.jqwik.api.ExhaustiveGenerator
+
 
+
map(Function<Shrinkable<T>, Shrinkable<U>>) - Method in class net.jqwik.api.FalsificationResult
+
 
+
map(Function<U, T>) - Method in interface net.jqwik.api.Falsifier
+
 
+
map(Function<T, U>) - Method in interface net.jqwik.api.RandomGenerator
+
 
+
map(Function<T, U>) - Method in interface net.jqwik.api.Shrinkable
+
 
+
map(Shrinkable<T>, Function<T, U>) - Method in class net.jqwik.api.Shrinkable.ShrinkableFacade
+
 
+
map(Function<FalsificationResult<T>, FalsificationResult<U>>) - Method in interface net.jqwik.api.ShrinkingSequence
+
 
+
map(ShrinkingSequence<T>, Function<FalsificationResult<T>, FalsificationResult<U>>) - Method in class net.jqwik.api.ShrinkingSequence.ShrinkingSequenceFacade
+
 
+
MapArbitrary<K,V> - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to add functionality to arbitraries that generate instances + of type Map
+
+
mapEach(BiFunction<List<T>, T, U>) - Method in interface net.jqwik.api.arbitraries.ListArbitrary
+
+
Map over each element of the generated streamable giving access to the + all elements when streaming.
+
+
mapEach(BiFunction<Set<T>, T, U>) - Method in interface net.jqwik.api.arbitraries.SetArbitrary
+
+
Map over each element of the generated streamable giving access to the + all elements when streaming.
+
+
maps(Arbitrary<K>, Arbitrary<V>) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
maps(Arbitrary<K>, Arbitrary<V>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary to create instances of Map.
+
+
mapShrinkable(EdgeCases<T>, Function<Shrinkable<T>, Shrinkable<U>>) - Method in class net.jqwik.api.EdgeCases.EdgeCasesFacade
+
 
+
mapShrinkable(Function<Shrinkable<T>, Shrinkable<U>>) - Method in interface net.jqwik.api.EdgeCases
+
 
+
mapTo(PropertyExecutionResult.Status, Throwable) - Method in interface net.jqwik.api.lifecycle.PropertyExecutionResult
+
+
Use to change the status of a property execution result in a + AroundPropertyHook.
+
+
mapToAborted(Throwable) - Method in interface net.jqwik.api.lifecycle.PropertyExecutionResult
+
+
Use to change the status of a property execution to PropertyExecutionResult.Status.ABORTED + in a AroundPropertyHook.
+
+
mapToFailed(Throwable) - Method in interface net.jqwik.api.lifecycle.PropertyExecutionResult
+
+
Use to change the status of a successful property execution to PropertyExecutionResult.Status.FAILED + in a AroundPropertyHook.
+
+
mapToFailed(String) - Method in interface net.jqwik.api.lifecycle.PropertyExecutionResult
+
+
Use to change the status of a successful property execution to PropertyExecutionResult.Status.FAILED + in a AroundPropertyHook.
+
+
mapToSuccessful() - Method in interface net.jqwik.api.lifecycle.PropertyExecutionResult
+
+
Use to change the status of a failed property to PropertyExecutionResult.Status.SUCCESSFUL + in a AroundPropertyHook.
+
+
mapValue(Function<T, U>) - Method in interface net.jqwik.api.ShrinkingSequence
+
 
+
mapValue(ShrinkingSequence<T>, Function<T, U>) - Method in class net.jqwik.api.ShrinkingSequence.ShrinkingSequenceFacade
+
 
+
MAX - Static variable in class net.jqwik.api.ShrinkingDistance
+
 
+
MAX_DISCARD_RATIO_NOT_SET - Static variable in annotation type net.jqwik.api.Property
+
 
+
maxCount() - Method in interface net.jqwik.api.ExhaustiveGenerator
+
 
+
maxDrawRange() - Method in class net.jqwik.api.statistics.Histogram
+
+
Determine how many block characters are maximally used to draw the distribution.
+
+
MAXIMUM_SAMPLES_TO_GENERATE - Static variable in interface net.jqwik.api.ExhaustiveGenerator
+
 
+
mixIn() - Method in enum net.jqwik.api.EdgeCasesMode
+
 
+
modify(TypeArbitrary<T>) - Method in enum net.jqwik.api.constraints.UseTypeMode
+
 
+
+ + + +

N

+
+
name() - Method in interface net.jqwik.api.statistics.StatisticsEntry
+
+
The name of an entry usually refers to the collected value(s)
+
+
Negative - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the range of a generated number to be less than 0.
+
+
net.jqwik.api - package net.jqwik.api
+
 
+
net.jqwik.api.arbitraries - package net.jqwik.api.arbitraries
+
 
+
net.jqwik.api.configurators - package net.jqwik.api.configurators
+
 
+
net.jqwik.api.constraints - package net.jqwik.api.constraints
+
 
+
net.jqwik.api.domains - package net.jqwik.api.domains
+
 
+
net.jqwik.api.lifecycle - package net.jqwik.api.lifecycle
+
 
+
net.jqwik.api.providers - package net.jqwik.api.providers
+
 
+
net.jqwik.api.stateful - package net.jqwik.api.stateful
+
 
+
net.jqwik.api.statistics - package net.jqwik.api.statistics
+
 
+
newInstance(Class<T>) - Method in interface net.jqwik.api.lifecycle.LifecycleContext
+
+
Create a new instance of a clazz in the context of the property in which it + is running.
+
+
next(Random) - Method in interface net.jqwik.api.RandomDistribution.RandomNumericGenerator
+
+
Generate next random number within the specified range given on creation of the generator.
+
+
next(Random) - Method in interface net.jqwik.api.RandomGenerator
+
 
+
next(Runnable, Consumer<FalsificationResult<T>>) - Method in interface net.jqwik.api.ShrinkingSequence
+
 
+
NO_VALUE - Static variable in annotation type net.jqwik.api.ForAll
+
 
+
none() - Static method in interface net.jqwik.api.EdgeCases
+
 
+
None() - Constructor for class net.jqwik.api.statistics.StatisticsReport.None
+
 
+
NotEmpty - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the size of generated "sizable" types to be at least 1.
+
+
notFalsified(Shrinkable<T>) - Static method in class net.jqwik.api.FalsificationResult
+
 
+
nothing() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that never creates anything.
+
+
NumberRangeHistogram - Class in net.jqwik.api.statistics
+
+
A specialized type of Histogram to divide collected numbers + into range-based clusters for display in a histogram.
+
+
NumberRangeHistogram() - Constructor for class net.jqwik.api.statistics.NumberRangeHistogram
+
 
+
numeric() - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Allow all numeric chars (digits) to show up in generated strings.
+
+
NumericalArbitrary<T,A extends NumericalArbitrary<T,A>> - Interface in net.jqwik.api.arbitraries
+
 
+
NumericChars - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the chars used to generate Strings or Characters to digits.
+
+
+ + + +

O

+
+
of(T...) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will randomly choose from a given array of values.
+
+
of(Collection<T>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will randomly choose from a given collection of values.
+
+
of(char[]) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary of character values.
+
+
of(Class<T>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary for enum values of type T.
+
+
of(Class<?>, TypeUsage...) - Static method in interface net.jqwik.api.providers.TypeUsage
+
 
+
of(Class<?>, TypeUsage...) - Method in class net.jqwik.api.providers.TypeUsage.TypeUsageFacade
+
 
+
of(long...) - Static method in class net.jqwik.api.ShrinkingDistance
+
 
+
of(E...) - Static method in class net.jqwik.api.Table
+
 
+
of(Tuple.Tuple1<T>...) - Static method in class net.jqwik.api.Table
+
 
+
of(Tuple.Tuple2<T1, T2>...) - Static method in class net.jqwik.api.Table
+
 
+
of(Tuple.Tuple3<T1, T2, T3>...) - Static method in class net.jqwik.api.Table
+
 
+
of(Tuple.Tuple4<T1, T2, T3, T4>...) - Static method in class net.jqwik.api.Table
+
 
+
of(Tuple.Tuple5<T1, T2, T3, T4, T5>...) - Static method in class net.jqwik.api.Table
+
 
+
of(Tuple.Tuple6<T1, T2, T3, T4, T5, T6>...) - Static method in class net.jqwik.api.Table
+
 
+
of(Tuple.Tuple7<T1, T2, T3, T4, T5, T6, T7>...) - Static method in class net.jqwik.api.Table
+
 
+
of(Tuple.Tuple8<T1, T2, T3, T4, T5, T6, T7, T8>...) - Static method in class net.jqwik.api.Table
+
 
+
of(T1) - Static method in interface net.jqwik.api.Tuple
+
 
+
of(T1, T2) - Static method in interface net.jqwik.api.Tuple
+
 
+
of(T1, T2, T3) - Static method in interface net.jqwik.api.Tuple
+
 
+
of(T1, T2, T3, T4) - Static method in interface net.jqwik.api.Tuple
+
 
+
of(T1, T2, T3, T4, T5) - Static method in interface net.jqwik.api.Tuple
+
 
+
of(T1, T2, T3, T4, T5, T6) - Static method in interface net.jqwik.api.Tuple
+
 
+
of(T1, T2, T3, T4, T5, T6, T7) - Static method in interface net.jqwik.api.Tuple
+
 
+
of(T1, T2, T3, T4, T5, T6, T7, T8) - Static method in interface net.jqwik.api.Tuple
+
 
+
ofLength(int) - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Fix the length to length of generated strings.
+
+
ofMaxLength(int) - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Set the maximum allowed length maxLength (included) of generated strings.
+
+
ofMaxSize(int) - Method in interface net.jqwik.api.arbitraries.IteratorArbitrary
+
+
Set upper size boundary maxSize (included).
+
+
ofMaxSize(int) - Method in interface net.jqwik.api.arbitraries.ListArbitrary
+
+
Set upper size boundary maxSize (included).
+
+
ofMaxSize(int) - Method in interface net.jqwik.api.arbitraries.MapArbitrary
+
+
Set upper size boundary maxSize (included).
+
+
ofMaxSize(int) - Method in interface net.jqwik.api.arbitraries.SetArbitrary
+
+
Set upper size boundary maxSize (included).
+
+
ofMaxSize(int) - Method in interface net.jqwik.api.arbitraries.SizableArbitrary
+
+
Set upper size boundary maxSize (included).
+
+
ofMaxSize(int) - Method in interface net.jqwik.api.arbitraries.StreamableArbitrary
+
+
Set upper size boundary maxSize (included).
+
+
ofMaxSize(int) - Method in interface net.jqwik.api.arbitraries.StreamArbitrary
+
+
Set upper size boundary maxSize (included).
+
+
ofMaxSize(int) - Method in interface net.jqwik.api.stateful.ActionSequenceArbitrary
+
 
+
ofMinLength(int) - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Set the minimum allowed length mixLength (included) of generated strings.
+
+
ofMinSize(int) - Method in interface net.jqwik.api.arbitraries.IteratorArbitrary
+
+
Set lower size boundary minSize (included).
+
+
ofMinSize(int) - Method in interface net.jqwik.api.arbitraries.ListArbitrary
+
+
Set lower size boundary minSize (included).
+
+
ofMinSize(int) - Method in interface net.jqwik.api.arbitraries.MapArbitrary
+
+
Set lower size boundary minSize (included).
+
+
ofMinSize(int) - Method in interface net.jqwik.api.arbitraries.SetArbitrary
+
+
Set lower size boundary minSize (included).
+
+
ofMinSize(int) - Method in interface net.jqwik.api.arbitraries.SizableArbitrary
+
+
Set lower size boundary minSize (included).
+
+
ofMinSize(int) - Method in interface net.jqwik.api.arbitraries.StreamableArbitrary
+
+
Set lower size boundary minSize (included).
+
+
ofMinSize(int) - Method in interface net.jqwik.api.arbitraries.StreamArbitrary
+
+
Set lower size boundary minSize (included).
+
+
ofMinSize(int) - Method in interface net.jqwik.api.stateful.ActionSequenceArbitrary
+
 
+
ofScale(int) - Method in interface net.jqwik.api.arbitraries.BigDecimalArbitrary
+
+
Set the scale (maximum number of decimal places) to scale.
+
+
ofScale(int) - Method in interface net.jqwik.api.arbitraries.DoubleArbitrary
+
+
Set the scale (maximum number of decimal places) to scale.
+
+
ofScale(int) - Method in interface net.jqwik.api.arbitraries.FloatArbitrary
+
+
Set the scale (maximum number of decimal places) to scale.
+
+
ofSize(int) - Method in interface net.jqwik.api.arbitraries.IteratorArbitrary
+
+
Fix the size to size.
+
+
ofSize(int) - Method in interface net.jqwik.api.arbitraries.ListArbitrary
+
+
Fix the size to size.
+
+
ofSize(int) - Method in interface net.jqwik.api.arbitraries.MapArbitrary
+
+
Fix the size to size.
+
+
ofSize(int) - Method in interface net.jqwik.api.arbitraries.SetArbitrary
+
+
Fix the size to size.
+
+
ofSize(int) - Method in interface net.jqwik.api.arbitraries.SizableArbitrary
+
+
Fix the size to size.
+
+
ofSize(int) - Method in interface net.jqwik.api.arbitraries.StreamableArbitrary
+
+
Fix the size to size.
+
+
ofSize(int) - Method in interface net.jqwik.api.arbitraries.StreamArbitrary
+
+
Fix the size to size.
+
+
ofSize(int) - Method in interface net.jqwik.api.stateful.ActionSequenceArbitrary
+
 
+
ofSuppliers(Supplier<T>...) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will randomly choose from a given array of value suppliers + and then get the value from the supplier.
+
+
ofSuppliers(Collection<Supplier<T>>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will randomly choose from a given collection of value suppliers + and then get the value from the supplier.
+
+
onClose(Consumer<T>) - Method in interface net.jqwik.api.lifecycle.Store
+
 
+
oneOf(List<Arbitrary<T>>) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
oneOf(Arbitrary<? extends T>, Arbitrary<? extends T>...) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will randomly choose between all given arbitraries of the same type T.
+
+
oneOf(List<Arbitrary<T>>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will randomly choose between all given arbitraries of the same type T.
+
+
onFailure(PropertyExecutionResult) - Method in interface net.jqwik.api.lifecycle.PerProperty.Lifecycle
+
+
Override if you want to perform some work or run assertions if - and only if - the property failed.
+
+
onSuccess() - Method in interface net.jqwik.api.lifecycle.PerProperty.Lifecycle
+
+
Override if you want to perform some work or run assertions if - and only if - the property succeeded.
+
+
optional() - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type Optional<T> using the existing arbitrary for generating the elements of the + stream.
+
+
optionalContainerClass() - Method in interface net.jqwik.api.lifecycle.LifecycleContext
+
+
If the context refers to a class or a method the class or the method's class + is returned, otherwise Optional.empty()
+
+
optionalElement() - Method in interface net.jqwik.api.lifecycle.LifecycleContext
+
+
If the context refers to a class or a method the class or method + is returned, otherwise Optional.empty()
+
+
order() - Method in interface net.jqwik.api.configurators.ArbitraryConfigurator
+
+
Determines the order in which a configurator will be applied in regards to other configurators.
+
+
+ + + +

P

+
+
parameter() - Method in interface net.jqwik.api.lifecycle.ParameterResolutionContext
+
 
+
ParameterResolutionContext - Interface in net.jqwik.api.lifecycle
+
+
Experimental feature.
+
+
peek(Consumer<M>) - Method in interface net.jqwik.api.stateful.ActionSequence
+
+
Peek into the model of a running sequence.
+
+
percentage(Predicate<Double>) - Method in interface net.jqwik.api.statistics.StatisticsCoverage.CoverageChecker
+
+
Check the percentage of occurrences returning true (ok) or false (fail)
+
+
percentage(Consumer<Double>) - Method in interface net.jqwik.api.statistics.StatisticsCoverage.CoverageChecker
+
+
Check the number of occurrences returning true (ok) or false (fail).
+
+
percentage() - Method in interface net.jqwik.api.statistics.StatisticsEntry
+
+
The percentage of times a certain value (set) has been collected
+
+
PerProperty - Annotation Type in net.jqwik.api.lifecycle
+
+
Annotate property methods of a container class with @PerProperty + if you want to have some lifecycle control over this property alone.
+
+
PerProperty.Lifecycle - Interface in net.jqwik.api.lifecycle
+
 
+
PerProperty.PerPropertyHook - Class in net.jqwik.api.lifecycle
+
 
+
PerPropertyHook() - Constructor for class net.jqwik.api.lifecycle.PerProperty.PerPropertyHook
+
 
+
plainLabel(String) - Static method in interface net.jqwik.api.SampleReportingFormat
+
+
Use in SampleReportingFormat.report(Object) + if you just want to report a plain label and not a String in quotes.
+
+
plus(ShrinkingDistance) - Method in class net.jqwik.api.ShrinkingDistance
+
 
+
Positive - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the range of a generated number to be greater than 0.
+
+
precondition(S) - Method in interface net.jqwik.api.stateful.Action
+
+
If this method returns false, the action will not be performed.
+
+
priority() - Method in interface net.jqwik.api.providers.ArbitraryProvider
+
+
Providers with higher priority will replace providers with lower priority.
+
+
priority() - Method in interface net.jqwik.api.SampleReportingFormat
+
 
+
PRIORITY_NOT_SET - Static variable in annotation type net.jqwik.api.domains.Domain
+
 
+
propagateTo() - Method in interface net.jqwik.api.lifecycle.LifecycleHook
+
+
Override this method if you want to change a concrete hook implementation's default + propagation behaviour: Do not use hook in child elements -- sub containers or properties.
+
+
PropagationMode - Enum in net.jqwik.api.lifecycle
+
+
Describes if and how a concrete registered hook is propagated to children of + the element where the hook has been registered.
+
+
Property - Annotation Type in net.jqwik.api
+
+
Use @Property to mark methods that serve as properties.
+
+
PropertyExecutionResult - Interface in net.jqwik.api.lifecycle
+
+
Represents the result of running a property.
+
+
PropertyExecutionResult.Status - Enum in net.jqwik.api.lifecycle
+
+
Status of executing a single test or container.
+
+
PropertyExecutor - Interface in net.jqwik.api.lifecycle
+
+
Objects of this class represent a property's execution.
+
+
PropertyLifecycleContext - Interface in net.jqwik.api.lifecycle
+
+
The context information of a property or example.
+
+
Provide - Annotation Type in net.jqwik.api
+
+
Used to annotate methods that can provide values for property method parameters.
+
+
provideFor(TypeUsage, ArbitraryProvider.SubtypeProvider) - Method in interface net.jqwik.api.providers.ArbitraryProvider
+
+
This is the method you must override in your own implementations of ArbitraryProvider.
+
+
proximity() - Method in interface net.jqwik.api.lifecycle.AroundContainerHook
+
+
Determine both AroundContainerHook.beforeContainerProximity() and AroundContainerHook.afterContainerProximity() + in one go.
+
+
publishReport(String, Object) - Method in interface net.jqwik.api.Reporter
+
+
Publish a report about object under a given key.
+
+
publishReports(String, Map<String, Object>) - Method in interface net.jqwik.api.Reporter
+
+
Publish reports about objects under a given key.
+
+
publishValue(String, String) - Method in interface net.jqwik.api.Reporter
+
+
Publish some value under a given key.
+
+
+ + + +

R

+
+
randomChoose(List<T>) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
randomChoose(char[]) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
RandomDistribution - Interface in net.jqwik.api
+
+
Determines how generated numerical values are generated and distributed + across the allowed range and a center withing this range.
+
+
RandomDistribution.RandomDistributionFacade - Class in net.jqwik.api
+
 
+
RandomDistribution.RandomNumericGenerator - Interface in net.jqwik.api
+
+
Generator for BigInteger values which are behind all generated numeric values in jqwik.
+
+
RandomDistributionFacade() - Constructor for class net.jqwik.api.RandomDistribution.RandomDistributionFacade
+
 
+
randomFrequency(List<Tuple.Tuple2<Integer, T>>) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
RandomGenerator<T> - Interface in net.jqwik.api
+
 
+
RandomGenerator.RandomGeneratorFacade - Class in net.jqwik.api
+
 
+
RandomGeneratorFacade() - Constructor for class net.jqwik.api.RandomGenerator.RandomGeneratorFacade
+
 
+
randoms() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary for Random objects.
+
+
randomSamples(T[]) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
randomShuffle(List<T>) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
randomValue(Function<Random, T>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will generate values of type T using a generator function.
+
+
range(char, char) - Method in interface net.jqwik.api.arbitraries.CharacterArbitrary
+
+
Allow all chars within min (included) and max (included) to show up in generated values.
+
+
rangeLabel(BigInteger, BigInteger, boolean) - Method in class net.jqwik.api.statistics.NumberRangeHistogram
+
+
Determines how a range of numbers is being displayed.
+
+
reason() - Method in class net.jqwik.api.lifecycle.SkipExecutionHook.SkipResult
+
+
Get the reason that execution of the context should be skipped, + if available.
+
+
recursive(Supplier<Arbitrary<T>>, Function<Arbitrary<T>, Arbitrary<T>>, int) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary by deterministic recursion.
+
+
reduce(R, BiFunction<R, T, R>) - Method in interface net.jqwik.api.arbitraries.StreamableArbitrary
+
+
Given an initial argument use accumulator to produce + the final result.
+
+
register(Class<? extends LifecycleHook>, PropagationMode) - Method in interface net.jqwik.api.lifecycle.RegistrarHook.Registrar
+
+
Register a concrete hook implementation.
+
+
register(Class<? extends LifecycleHook>) - Method in interface net.jqwik.api.lifecycle.RegistrarHook.Registrar
+
+
Register a concrete hook implementation with its default PropagationMode.
+
+
registerArbitrary(TypeUsage, Arbitrary<?>) - Method in class net.jqwik.api.domains.AbstractDomainContextBase
+
 
+
registerArbitrary(Class<T>, Arbitrary<T>) - Method in class net.jqwik.api.domains.AbstractDomainContextBase
+
 
+
registerConfigurator(ArbitraryConfigurator) - Method in class net.jqwik.api.domains.AbstractDomainContextBase
+
 
+
registerHooks(RegistrarHook.Registrar) - Method in interface net.jqwik.api.lifecycle.RegistrarHook
+
+
This method will be called during hook registration, i.e. before any test has been started.
+
+
registerProvider(ArbitraryProvider) - Method in class net.jqwik.api.domains.AbstractDomainContextBase
+
 
+
RegistrarHook - Interface in net.jqwik.api.lifecycle
+
+
Use this hook if you want to apply several hook implementations that belong + together but that cannot be implemented in a single class, e.g. because + the same hook type must be added with different proximity or different propagation.
+
+
RegistrarHook.Registrar - Interface in net.jqwik.api.lifecycle
+
+
A short-lived object used for registering concrete hook implementation classes.
+
+
Report - Annotation Type in net.jqwik.api
+
+
Use @Report to specify what additional things should be reported + when running a property.
+
+
report(Object) - Method in interface net.jqwik.api.SampleReportingFormat
+
+
Transform the value into one that will be handled by default mechanism, + e.g. a Collection, a String, a Map.
+
+
reporter() - Method in interface net.jqwik.api.lifecycle.LifecycleContext
+
+
Get hold of test reporter for publishing additional information on a test container or method.
+
+
Reporter - Interface in net.jqwik.api
+
+
An interface that can be used to report additional information for a test element, + i.e. a test container or property.
+
+
Reporting - Enum in net.jqwik.api
+
 
+
reset() - Method in interface net.jqwik.api.lifecycle.Store
+
 
+
resolve(ParameterResolutionContext) - Method in interface net.jqwik.api.lifecycle.PerProperty.Lifecycle
+
+
Override if you want to provide parameters for this property.
+
+
resolve(ParameterResolutionContext, LifecycleContext) - Method in class net.jqwik.api.lifecycle.PerProperty.PerPropertyHook
+
 
+
resolve(ParameterResolutionContext, LifecycleContext) - Method in interface net.jqwik.api.lifecycle.ResolveParameterHook
+
+
This method will be called only once per property, whereas the returned supplier's get method + is usually invoked for each try - and potentially more often during shrinking or when resolving + parameters in before/after methods.
+
+
resolveAndCombine(TypeUsage...) - Method in interface net.jqwik.api.providers.ArbitraryProvider.SubtypeProvider
+
+
Resolve all typeUsages and return a stream of all possible arbitraries + combinations per type.
+
+
resolveParameter(Executable, int) - Method in interface net.jqwik.api.lifecycle.LifecycleContext
+
+
Resolve a parameter from a method in the context of the property in which it + is running.
+
+
ResolveParameterHook - Interface in net.jqwik.api.lifecycle
+
+
This hook type allows to provide parameters for property methods + but also to annotated lifecycle methods.
+
+
ResolveParameterHook.ParameterSupplier - Interface in net.jqwik.api.lifecycle
+
+
A functional interface specialized on providing parameters to property methods + and to annotated lifecycle methods.
+
+
returns(Arbitrary<R>) - Method in class net.jqwik.api.Functions.FunctionWrapper
+
+
Create an arbitrary to create instances of functions represented by this wrapper.
+
+
run(S) - Method in interface net.jqwik.api.stateful.Action
+
+
Perform an action on state S and return the same state (if it has state) + or a new one representing the new state.
+
+
run(M) - Method in interface net.jqwik.api.stateful.ActionSequence
+
 
+
runActions() - Method in interface net.jqwik.api.stateful.ActionSequence
+
 
+
runState() - Method in interface net.jqwik.api.stateful.ActionSequence
+
 
+
+ + + +

S

+
+
sample() - Method in interface net.jqwik.api.Arbitrary
+
+
Generate a single sample value using this arbitrary.
+
+
SampleReportingFormat - Interface in net.jqwik.api
+
 
+
samples(T...) - Static method in class net.jqwik.api.Arbitraries
+
+
Deprecated. +
Use Arbitraries.of(Object[]) or move to data-driven properties if order is important. Will be removed in version 1.4.0
+
+
+
sampleStream(Arbitrary<T>) - Method in class net.jqwik.api.Arbitrary.ArbitraryFacade
+
 
+
sampleStream() - Method in interface net.jqwik.api.Arbitrary
+
+
Generate a stream of sample values using this arbitrary.
+
+
satisfied() - Static method in interface net.jqwik.api.lifecycle.TryExecutionResult
+
+
Create a result that satisfies the current property with the current parameter set.
+
+
satisfied(boolean) - Static method in interface net.jqwik.api.lifecycle.TryExecutionResult
+
+
Create a result that satisfies the current property and will immediately + finish this property as successful.
+
+
Scale - Annotation Type in net.jqwik.api.constraints
+
+
Use to constrain the maximum number of decimal places when generating decimal numbers.
+
+
seed() - Method in interface net.jqwik.api.lifecycle.PropertyExecutionResult
+
+
The seed used to generate randomized parameters.
+
+
SEED_NOT_SET - Static variable in annotation type net.jqwik.api.Property
+
 
+
SelfConfiguringArbitrary<T> - Interface in net.jqwik.api.configurators
+
+
An Arbitrary implementation can also implement this interface if it wants + to take over its own configuration which is usually being done by registered instances + of ArbitraryConfigurator.
+
+
sequences(Arbitrary<? extends Action<M>>) - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
sequences(Arbitrary<? extends Action<M>>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary to create a sequence of actions.
+
+
set(Arbitrary<T>) - Method in class net.jqwik.api.Arbitrary.ArbitraryFacade
+
 
+
set() - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type Set<T> using the existing arbitrary for generating the elements of the set.
+
+
SetArbitrary<T> - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to add functionality to arbitraries that generate instances + of type Set
+
+
setDefaultPriority(int) - Method in class net.jqwik.api.domains.AbstractDomainContextBase
+
 
+
setDefaultPriority(int) - Method in interface net.jqwik.api.domains.DomainContext
+
 
+
ShortArbitrary - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure the generation of Short and short values.
+
+
ShortRange - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the range of a generated short or Short parameters.
+
+
shorts() - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
shorts() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that generates values of type Short.
+
+
shouldBeSkipped(LifecycleContext) - Method in interface net.jqwik.api.lifecycle.SkipExecutionHook
+
+
Determine if an annotated element should be skipped or not.
+
+
shouldPropertyFinishEarly() - Method in interface net.jqwik.api.lifecycle.TryExecutionResult
+
 
+
shrink(Falsifier<T>) - Method in interface net.jqwik.api.Shrinkable
+
 
+
shrinkable() - Method in class net.jqwik.api.FalsificationResult
+
 
+
Shrinkable<T> - Interface in net.jqwik.api
+
 
+
Shrinkable.ShrinkableFacade - Class in net.jqwik.api
+
 
+
ShrinkableFacade() - Constructor for class net.jqwik.api.Shrinkable.ShrinkableFacade
+
 
+
ShrinkingDistance - Class in net.jqwik.api
+
 
+
ShrinkingMode - Enum in net.jqwik.api
+
+
The shrinking mode defines the shrinking behaviour of a property.
+
+
ShrinkingSequence<T> - Interface in net.jqwik.api
+
 
+
ShrinkingSequence.ShrinkingSequenceFacade - Class in net.jqwik.api
+
 
+
ShrinkingSequenceFacade() - Constructor for class net.jqwik.api.ShrinkingSequence.ShrinkingSequenceFacade
+
 
+
shrinkingSuggestions() - Method in interface net.jqwik.api.Shrinkable
+
+
Used only when several shrinkables must be shrunk in synchronicity e.g. duplicate values.
+
+
shrinkTowards(BigDecimal) - Method in interface net.jqwik.api.arbitraries.BigDecimalArbitrary
+
+
Set shrinking target to target which must be between the allowed bounds.
+
+
shrinkTowards(BigInteger) - Method in interface net.jqwik.api.arbitraries.BigIntegerArbitrary
+
+
Set shrinking target to target which must be between the allowed bounds.
+
+
shrinkTowards(int) - Method in interface net.jqwik.api.arbitraries.ByteArbitrary
+
+
Set shrinking target to target which must be between the allowed bounds.
+
+
shrinkTowards(double) - Method in interface net.jqwik.api.arbitraries.DoubleArbitrary
+
+
Set shrinking target to target which must be between the allowed bounds.
+
+
shrinkTowards(float) - Method in interface net.jqwik.api.arbitraries.FloatArbitrary
+
+
Set shrinking target to target which must be between the allowed bounds.
+
+
shrinkTowards(int) - Method in interface net.jqwik.api.arbitraries.IntegerArbitrary
+
+
Set shrinking target to target which must be between the allowed bounds.
+
+
shrinkTowards(long) - Method in interface net.jqwik.api.arbitraries.LongArbitrary
+
+
Set shrinking target to target which must be between the allowed bounds.
+
+
shrinkTowards(short) - Method in interface net.jqwik.api.arbitraries.ShortArbitrary
+
+
Set shrinking target to target which must be between the allowed bounds.
+
+
shuffle(T...) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will always generate a list which is a + permutation of the values handed to it.
+
+
shuffle(List<T>) - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that will always generate a list which is a + permutation of the values handed to it.
+
+
SizableArbitrary<U> - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure arbitraries that have size constraints for generated values, e.g. collections and arrays.
+
+
Size - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the size of generated "sizable" types.
+
+
size() - Method in interface net.jqwik.api.EdgeCases
+
 
+
size() - Method in class net.jqwik.api.ShrinkingDistance
+
 
+
size() - Method in interface net.jqwik.api.Tuple
+
 
+
size() - Method in class net.jqwik.api.Tuple.Tuple1
+
 
+
size() - Method in class net.jqwik.api.Tuple.Tuple2
+
 
+
size() - Method in class net.jqwik.api.Tuple.Tuple3
+
 
+
size() - Method in class net.jqwik.api.Tuple.Tuple4
+
 
+
size() - Method in class net.jqwik.api.Tuple.Tuple5
+
 
+
size() - Method in class net.jqwik.api.Tuple.Tuple6
+
 
+
size() - Method in class net.jqwik.api.Tuple.Tuple7
+
 
+
size() - Method in class net.jqwik.api.Tuple.Tuple8
+
 
+
skip(String) - Static method in class net.jqwik.api.lifecycle.SkipExecutionHook.SkipResult
+
+
Create instance of SkipExecutionHook.SkipResult to make the current element being skipped.
+
+
SkipExecutionHook - Interface in net.jqwik.api.lifecycle
+
+
Use this hook to determine if an annotated element should be skipped during + a test run or not.
+
+
SkipExecutionHook.SkipResult - Class in net.jqwik.api.lifecycle
+
 
+
startWith(Shrinkable<T>, Falsifier<T>) - Method in class net.jqwik.api.ShrinkingSequence.ShrinkingSequenceFacade
+
 
+
startWith(Shrinkable<T>, Falsifier<T>) - Static method in interface net.jqwik.api.ShrinkingSequence
+
 
+
Statistics - Class in net.jqwik.api.statistics
+
+
This class serves as a container for static methods to collect statistical + data about generated values within a property method and to check coverage + of that data.
+
+
Statistics.StatisticsFacade - Class in net.jqwik.api.statistics
+
 
+
StatisticsCollector - Interface in net.jqwik.api.statistics
+
+
This class serves as an interface to collect statistical + data about generated values within a property method.
+
+
StatisticsCoverage - Interface in net.jqwik.api.statistics
+
+
Intermediate object to provide statistics coverage checking capabilities
+
+
StatisticsCoverage.CoverageChecker - Interface in net.jqwik.api.statistics
+
 
+
StatisticsEntry - Interface in net.jqwik.api.statistics
+
+
Describes an entry for a given statistics selector.
+
+
StatisticsFacade() - Constructor for class net.jqwik.api.statistics.Statistics.StatisticsFacade
+
 
+
StatisticsReport - Annotation Type in net.jqwik.api.statistics
+
+
This annotation can be used to influence statistics reporting.
+
+
StatisticsReport.None - Class in net.jqwik.api.statistics
+
 
+
StatisticsReport.StatisticsReportMode - Enum in net.jqwik.api.statistics
+
 
+
StatisticsReportFormat - Interface in net.jqwik.api.statistics
+
+
An implementation of this interface is responsible for creating + a formatted statistics report.
+
+
status() - Method in class net.jqwik.api.FalsificationResult
+
 
+
status() - Method in interface net.jqwik.api.lifecycle.PropertyExecutionResult
+
+
The final status of this property
+
+
status() - Method in interface net.jqwik.api.lifecycle.TryExecutionResult
+
 
+
Store<T> - Interface in net.jqwik.api.lifecycle
+
+
Experimental feature.
+
+
Store.StoreFacade - Class in net.jqwik.api.lifecycle
+
 
+
StoreFacade() - Constructor for class net.jqwik.api.lifecycle.Store.StoreFacade
+
 
+
stream(Arbitrary<T>) - Method in class net.jqwik.api.Arbitrary.ArbitraryFacade
+
 
+
stream() - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type Stream<T> using the existing arbitrary + for generating the elements of the stream.
+
+
stream(Random) - Method in interface net.jqwik.api.RandomGenerator
+
 
+
StreamableArbitrary<T,U> - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to add functionality to arbitraries whose generation artefacts + can be streamed, e.g.
+
+
StreamArbitrary<T> - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to add functionality to arbitraries that generate instances + of type Stream
+
+
StringArbitrary - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure arbitraries that generate String values.
+
+
StringLength - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the length of generated Strings.
+
+
strings() - Method in class net.jqwik.api.Arbitraries.ArbitrariesFacade
+
 
+
strings() - Static method in class net.jqwik.api.Arbitraries
+
+
Create an arbitrary that generates values of type String.
+
+
suppliers() - Method in interface net.jqwik.api.EdgeCases
+
 
+
supplyUnshrinkable(Supplier<T>) - Static method in interface net.jqwik.api.Shrinkable
+
 
+
+ + + +

T

+
+
Table - Class in net.jqwik.api
+
 
+
Table() - Constructor for class net.jqwik.api.Table
+
 
+
Tag - Annotation Type in net.jqwik.api
+
+
Use @Tag("a tag") to give test classes, groups and methods an (additional) tag + which can later be used to select the set of tests to execute.
+
+
TagList - Annotation Type in net.jqwik.api
+
 
+
targetMethod() - Method in interface net.jqwik.api.lifecycle.PropertyLifecycleContext
+
+
The method that defines the current property or example.
+
+
targetMethod() - Method in interface net.jqwik.api.lifecycle.TryLifecycleContext
+
+
The method that defines the current property or example.
+
+
testInstance() - Method in interface net.jqwik.api.lifecycle.PropertyLifecycleContext
+
+
The current instance of the property's container class.
+
+
testInstance() - Method in interface net.jqwik.api.lifecycle.TryLifecycleContext
+
+
The current instance of the property's container class.
+
+
that(boolean) - Static method in class net.jqwik.api.Assume
+
+
If condition does not hold, the current property method will be aborted, + i.e., it will not be executed but not counted as a try.
+
+
that(Supplier<Boolean>) - Static method in class net.jqwik.api.Assume
+
+
If condition provided by conditionSupplier does not hold, the current property method will be aborted, + i.e., it will not be executed but not counted as a try.
+
+
throwable() - Method in class net.jqwik.api.FalsificationResult
+
 
+
throwable() - Method in interface net.jqwik.api.lifecycle.PropertyExecutionResult
+
+
Will return Optional.empty() if status is anything but FAILED.
+
+
throwable() - Method in interface net.jqwik.api.lifecycle.TryExecutionResult
+
+
Will return Optional.empty() if status is anything but TryExecutionResult.Status.FALSIFIED.
+
+
TooManyFilterMissesException - Exception in net.jqwik.api
+
 
+
TooManyFilterMissesException(String) - Constructor for exception net.jqwik.api.TooManyFilterMissesException
+
 
+
toString() - Method in class net.jqwik.api.FalsificationResult
+
 
+
toString() - Method in class net.jqwik.api.lifecycle.SkipExecutionHook.SkipResult
+
 
+
toString() - Method in class net.jqwik.api.ShrinkingDistance
+
 
+
toString() - Method in class net.jqwik.api.Tuple.Tuple1
+
 
+
toString() - Method in class net.jqwik.api.Tuple.Tuple2
+
 
+
toString() - Method in class net.jqwik.api.Tuple.Tuple3
+
 
+
toString() - Method in class net.jqwik.api.Tuple.Tuple4
+
 
+
toString() - Method in class net.jqwik.api.Tuple.Tuple5
+
 
+
toString() - Method in class net.jqwik.api.Tuple.Tuple6
+
 
+
toString() - Method in class net.jqwik.api.Tuple.Tuple7
+
 
+
toString() - Method in class net.jqwik.api.Tuple.Tuple8
+
 
+
TRIES_NOT_SET - Static variable in annotation type net.jqwik.api.Property
+
 
+
TryExecutionResult - Interface in net.jqwik.api.lifecycle
+
+
Represents the result of calling a property method with a list of parameters.
+
+
TryExecutionResult.Status - Enum in net.jqwik.api.lifecycle
+
+
Status of running a single try.
+
+
TryExecutor - Interface in net.jqwik.api.lifecycle
+
+
Experimental feature.
+
+
TryLifecycleContext - Interface in net.jqwik.api.lifecycle
+
+
The context information of a single try of a property.
+
+
Tuple - Interface in net.jqwik.api
+
 
+
Tuple.Tuple1<T1> - Class in net.jqwik.api
+
 
+
Tuple.Tuple2<T1,T2> - Class in net.jqwik.api
+
 
+
Tuple.Tuple3<T1,T2,T3> - Class in net.jqwik.api
+
 
+
Tuple.Tuple4<T1,T2,T3,T4> - Class in net.jqwik.api
+
 
+
Tuple.Tuple5<T1,T2,T3,T4,T5> - Class in net.jqwik.api
+
 
+
Tuple.Tuple6<T1,T2,T3,T4,T5,T6> - Class in net.jqwik.api
+
 
+
Tuple.Tuple7<T1,T2,T3,T4,T5,T6,T7> - Class in net.jqwik.api
+
 
+
Tuple.Tuple8<T1,T2,T3,T4,T5,T6,T7,T8> - Class in net.jqwik.api
+
 
+
tuple1() - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type Tuple.Tuple1<T> that will use the underlying + arbitrary to create the tuple value;
+
+
tuple2() - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type Tuple.Tuple2<T, T> that will use the underlying + arbitrary to create the tuple values;
+
+
tuple3() - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type Tuple.Tuple3<T, T, T> that will use the underlying + arbitrary to create the tuple values;
+
+
tuple4() - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of type Tuple.Tuple4<T, T, T, T> that will use the underlying + arbitrary to create the tuple values;
+
+
TypeArbitrary<T> - Interface in net.jqwik.api.arbitraries
+
+
Fluent interface to configure arbitraries that try to generate instances + of a given type T from the type's available constructors and factory methods.
+
+
typeUsage() - Method in interface net.jqwik.api.lifecycle.ParameterResolutionContext
+
 
+
TypeUsage - Interface in net.jqwik.api.providers
+
+
An instance of TypeUsage describes the information available for parameter or return types.
+
+
TypeUsage.TypeUsageFacade - Class in net.jqwik.api.providers
+
 
+
TypeUsageFacade() - Constructor for class net.jqwik.api.providers.TypeUsage.TypeUsageFacade
+
 
+
+ + + +

U

+
+
uniform() - Method in class net.jqwik.api.RandomDistribution.RandomDistributionFacade
+
 
+
uniform() - Static method in interface net.jqwik.api.RandomDistribution
+
+
A distribution that generates values across the allowed range + with a uniform probability distribution.
+
+
unique() - Method in interface net.jqwik.api.Arbitrary
+
+
Create a new arbitrary of the same type T that creates and shrinks the original arbitrary but will + never generate the same value twice.
+
+
Unique - Annotation Type in net.jqwik.api.constraints
+
+
Make a generated value to be unique withing the same try.
+
+
unique(ExhaustiveGenerator<T>) - Method in class net.jqwik.api.ExhaustiveGenerator.ExhaustiveGeneratorFacade
+
 
+
unique() - Method in interface net.jqwik.api.ExhaustiveGenerator
+
 
+
unique(RandomGenerator<T>) - Method in class net.jqwik.api.RandomGenerator.RandomGeneratorFacade
+
 
+
unique() - Method in interface net.jqwik.api.RandomGenerator
+
 
+
unshrinkable(Supplier<T>, ShrinkingDistance) - Method in class net.jqwik.api.Shrinkable.ShrinkableFacade
+
 
+
unshrinkable(T) - Static method in interface net.jqwik.api.Shrinkable
+
 
+
unshrinkable(T, ShrinkingDistance) - Static method in interface net.jqwik.api.Shrinkable
+
 
+
update(Function<T, T>) - Method in interface net.jqwik.api.lifecycle.Store
+
 
+
UpperChars - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the chars used to generate Strings or Characters to upper and lower case chars.
+
+
use(Executable) - Method in interface net.jqwik.api.arbitraries.TypeArbitrary
+
+
Add another creator (function or constructor) to be used + for generating values of type T
+
+
use(Arbitrary<T>) - Method in class net.jqwik.api.Combinators.BuilderCombinator
+
 
+
useAllConstructors() - Method in interface net.jqwik.api.arbitraries.TypeArbitrary
+
+
Add all constructors (public, private or package scope) of class T to be used + for generating values of type T
+
+
useAllFactoryMethods() - Method in interface net.jqwik.api.arbitraries.TypeArbitrary
+
+
Add all factory methods (static methods with return type T) + of class T to be used for generating values of type T
+
+
useConstructors(Predicate<? super Constructor<?>>) - Method in interface net.jqwik.api.arbitraries.TypeArbitrary
+
+
Add all constructors (public, private or package scope) of class T to be used + for generating values of type T
+
+
useFactoryMethods(Predicate<Method>) - Method in interface net.jqwik.api.arbitraries.TypeArbitrary
+
+
Add all factory methods (static methods with return type T) + of class T to be used for generating values of type T
+
+
usePublicConstructors() - Method in interface net.jqwik.api.arbitraries.TypeArbitrary
+
+
Add public constructors of class T to be used + for generating values of type T
+
+
usePublicFactoryMethods() - Method in interface net.jqwik.api.arbitraries.TypeArbitrary
+
+
Add public factory methods (static methods with return type T) + of class T to be used for generating values of type T
+
+
UseType - Annotation Type in net.jqwik.api.constraints
+
+
Generate a value from the annotated class' or type's constructors or factory methods.
+
+
UseTypeMode - Enum in net.jqwik.api.constraints
+
 
+
+ + + +

V

+
+
value() - Method in class net.jqwik.api.FalsificationResult
+
 
+
value() - Method in interface net.jqwik.api.Shrinkable
+
 
+
valueOf(String) - Static method in enum net.jqwik.api.AfterFailureMode
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.constraints.UseTypeMode
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.EdgeCasesMode
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.FalsificationResult.Status
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.GenerationMode
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.lifecycle.Lifespan
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.lifecycle.PropagationMode
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.lifecycle.PropertyExecutionResult.Status
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.lifecycle.TryExecutionResult.Status
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.Reporting
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.ShrinkingMode
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.stateful.ActionSequence.RunState
+
+
Returns the enum constant of this type with the specified name.
+
+
valueOf(String) - Static method in enum net.jqwik.api.statistics.StatisticsReport.StatisticsReportMode
+
+
Returns the enum constant of this type with the specified name.
+
+
values() - Static method in enum net.jqwik.api.AfterFailureMode
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Static method in enum net.jqwik.api.constraints.UseTypeMode
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Static method in enum net.jqwik.api.EdgeCasesMode
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Static method in enum net.jqwik.api.FalsificationResult.Status
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Static method in enum net.jqwik.api.GenerationMode
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Static method in enum net.jqwik.api.lifecycle.Lifespan
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Static method in enum net.jqwik.api.lifecycle.PropagationMode
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Static method in enum net.jqwik.api.lifecycle.PropertyExecutionResult.Status
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Static method in enum net.jqwik.api.lifecycle.TryExecutionResult.Status
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Static method in enum net.jqwik.api.Reporting
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Static method in enum net.jqwik.api.ShrinkingMode
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Static method in enum net.jqwik.api.stateful.ActionSequence.RunState
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
values() - Method in interface net.jqwik.api.statistics.StatisticsEntry
+
+
The values collected during Statistics.collect(Object...)
+
+
values() - Static method in enum net.jqwik.api.statistics.StatisticsReport.StatisticsReportMode
+
+
Returns an array containing the constants of this enum type, in +the order they are declared.
+
+
+ + + +

W

+
+
when(Predicate<List<Object>>, Function<List<Object>, R>) - Method in interface net.jqwik.api.arbitraries.FunctionArbitrary
+
 
+
whitespace() - Method in interface net.jqwik.api.arbitraries.CharacterArbitrary
+
+
Allow all whitespace chars to show up in generated values.
+
+
whitespace() - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Allow all chars that will return true for + Character.isWhitespace(char).
+
+
Whitespace - Annotation Type in net.jqwik.api.constraints
+
+
Constrain the chars used to generate Strings or Characters to chars + that will return true for Character.isWhitespace(char).
+
+
wildcard(TypeUsage) - Method in class net.jqwik.api.providers.TypeUsage.TypeUsageFacade
+
 
+
wildcard(TypeUsage) - Static method in interface net.jqwik.api.providers.TypeUsage
+
 
+
with(char...) - Method in interface net.jqwik.api.arbitraries.CharacterArbitrary
+
+
Allow all chars in allowedChars show up in generated values.
+
+
with(Arbitrary<Character>) - Method in interface net.jqwik.api.arbitraries.CharacterArbitrary
+
+
Allow all chars generated by characterArbitrary.
+
+
with(CharSequence) - Method in interface net.jqwik.api.arbitraries.CharacterArbitrary
+
+
Allow all chars in allowedChars show up in generated values.
+
+
withBuilder(Supplier<B>) - Static method in class net.jqwik.api.Combinators
+
+
Combine Arbitraries by means of a builder.
+
+
withBuilder(Arbitrary<B>) - Static method in class net.jqwik.api.Combinators
+
+
Combine Arbitraries by means of a builder.
+
+
withCharRange(char, char) - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Allow all chars within from (included) and to (included) to show up in generated strings.
+
+
withChars(char...) - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Allow all chars in chars to show up in generated strings.
+
+
withChars(CharSequence) - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Allow all chars in chars to show up in generated strings.
+
+
withChars(Arbitrary<Character>) - Method in interface net.jqwik.api.arbitraries.StringArbitrary
+
+
Allow all chars generated by characterArbitrary.
+
+
withDistribution(RandomDistribution) - Method in interface net.jqwik.api.arbitraries.NumericalArbitrary
+
+
Set the distribution to use when generating random numerical values.
+
+
withEdgeCases(RandomGenerator<T>, int, EdgeCases<T>) - Method in class net.jqwik.api.RandomGenerator.RandomGeneratorFacade
+
 
+
withEdgeCases(int, EdgeCases<T>) - Method in interface net.jqwik.api.RandomGenerator
+
 
+
withFilter(Predicate<T>) - Method in interface net.jqwik.api.Falsifier
+
 
+
withInvariant(Invariant<M>) - Method in interface net.jqwik.api.stateful.ActionSequence
+
+
Add an unlabelled invariant to a sequence.
+
+
withInvariant(String, Invariant<M>) - Method in interface net.jqwik.api.stateful.ActionSequence
+
+
Add a labelled invariant to a sequence.
+
+
WithNull - Annotation Type in net.jqwik.api.constraints
+
+
Allows jqwik to inject null parameters into generated values.
+
+
withPostFilter(Predicate<T>) - Method in interface net.jqwik.api.Falsifier
+
 
+
+A B C D E F G H I J L M N O P R S T U V W 
+ +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/index.html b/docs/docs/1.3.2/javadoc/index.html new file mode 100644 index 000000000..2b61fa58e --- /dev/null +++ b/docs/docs/1.3.2/javadoc/index.html @@ -0,0 +1,75 @@ + + + + + +documentation 1.3.2 API + + + + + + + + + +<noscript> +<div>JavaScript is disabled on your browser.</div> +</noscript> +<h2>Frame Alert</h2> +<p>This document is designed to be viewed using the frames feature. If you see this message, you are using a non-frame-capable web client. Link to <a href="overview-summary.html">Non-frame version</a>.</p> + + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/AfterFailureMode.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/AfterFailureMode.html new file mode 100644 index 000000000..2e48af9b2 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/AfterFailureMode.html @@ -0,0 +1,402 @@ + + + + + +AfterFailureMode (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Enum AfterFailureMode

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.ArbitrariesFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.ArbitrariesFacade.html new file mode 100644 index 000000000..e46322f3c --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.ArbitrariesFacade.html @@ -0,0 +1,666 @@ + + + + + +Arbitraries.ArbitrariesFacade (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Arbitraries.ArbitrariesFacade

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html new file mode 100644 index 000000000..dbe52c3ba --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html @@ -0,0 +1,1296 @@ + + + + + +Arbitraries (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Arbitraries

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.ArbitraryFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.ArbitraryFacade.html new file mode 100644 index 000000000..4db1fb5e8 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.ArbitraryFacade.html @@ -0,0 +1,357 @@ + + + + + +Arbitrary.ArbitraryFacade (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Arbitrary.ArbitraryFacade

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html new file mode 100644 index 000000000..86c96b367 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html @@ -0,0 +1,974 @@ + + + + + +Arbitrary (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Interface Arbitrary<T>

+
+
+
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Assume.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Assume.html new file mode 100644 index 000000000..ff88f3a81 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Assume.html @@ -0,0 +1,273 @@ + + + + + +Assume (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Assume

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/CannotFindArbitraryException.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/CannotFindArbitraryException.html new file mode 100644 index 000000000..392a89c70 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/CannotFindArbitraryException.html @@ -0,0 +1,285 @@ + + + + + +CannotFindArbitraryException (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class CannotFindArbitraryException

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.BuilderCombinator.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.BuilderCombinator.html new file mode 100644 index 000000000..a32eed504 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.BuilderCombinator.html @@ -0,0 +1,253 @@ + + + + + +Combinators.BuilderCombinator (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Combinators.BuilderCombinator<B>

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.CombinableBuilder.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.CombinableBuilder.html new file mode 100644 index 000000000..169d3c23e --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.CombinableBuilder.html @@ -0,0 +1,240 @@ + + + + + +Combinators.CombinableBuilder (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Combinators.CombinableBuilder<B,T>

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator2.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator2.html new file mode 100644 index 000000000..8fdf49269 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator2.html @@ -0,0 +1,251 @@ + + + + + +Combinators.Combinator2 (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Combinators.Combinator2<T1,T2>

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator3.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator3.html new file mode 100644 index 000000000..14ff93b69 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator3.html @@ -0,0 +1,251 @@ + + + + + +Combinators.Combinator3 (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Combinators.Combinator3<T1,T2,T3>

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator4.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator4.html new file mode 100644 index 000000000..d492bd3fc --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator4.html @@ -0,0 +1,251 @@ + + + + + +Combinators.Combinator4 (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Combinators.Combinator4<T1,T2,T3,T4>

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator5.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator5.html new file mode 100644 index 000000000..d42d4d3e2 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator5.html @@ -0,0 +1,251 @@ + + + + + +Combinators.Combinator5 (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Combinators.Combinator5<T1,T2,T3,T4,T5>

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator6.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator6.html new file mode 100644 index 000000000..dd38c0ab8 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator6.html @@ -0,0 +1,251 @@ + + + + + +Combinators.Combinator6 (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Combinators.Combinator6<T1,T2,T3,T4,T5,T6>

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator7.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator7.html new file mode 100644 index 000000000..1efd91e68 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator7.html @@ -0,0 +1,251 @@ + + + + + +Combinators.Combinator7 (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Combinators.Combinator7<T1,T2,T3,T4,T5,T6,T7>

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator8.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator8.html new file mode 100644 index 000000000..441e11e4b --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.Combinator8.html @@ -0,0 +1,251 @@ + + + + + +Combinators.Combinator8 (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Combinators.Combinator8<T1,T2,T3,T4,T5,T6,T7,T8>

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.CombinatorsFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.CombinatorsFacade.html new file mode 100644 index 000000000..cfc01499d --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.CombinatorsFacade.html @@ -0,0 +1,307 @@ + + + + + +Combinators.CombinatorsFacade (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Class Combinators.CombinatorsFacade

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.F2.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.F2.html new file mode 100644 index 000000000..2a17c65e8 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.F2.html @@ -0,0 +1,232 @@ + + + + + +Combinators.F2 (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Interface Combinators.F2<T1,T2,R>

+
+
+
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.F3.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.F3.html new file mode 100644 index 000000000..bd2a32c44 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.F3.html @@ -0,0 +1,234 @@ + + + + + +Combinators.F3 (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api
+

Interface Combinators.F3<T1,T2,T3,R>

+
+
+
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.F4.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.F4.html new file mode 100644 index 000000000..e42327b92 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.F4.html @@ -0,0 +1,236 @@ + + + + + +Combinators.F4 (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
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net.jqwik.api
+

Interface Combinators.F4<T1,T2,T3,T4,R>

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Skip navigation links
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net.jqwik.api
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Interface Combinators.F5<T1,T2,T3,T4,T5,R>

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Skip navigation links
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net.jqwik.api
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Interface Combinators.F6<T1,T2,T3,T4,T5,T6,R>

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Skip navigation links
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Skip navigation links
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net.jqwik.api
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Interface Combinators.F7<T1,T2,T3,T4,T5,T6,T7,R>

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Skip navigation links
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Skip navigation links
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net.jqwik.api
+

Interface Combinators.F8<T1,T2,T3,T4,T5,T6,T7,T8,R>

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.ListCombinator.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.ListCombinator.html new file mode 100644 index 000000000..a40aac8e7 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.ListCombinator.html @@ -0,0 +1,251 @@ + + + + + +Combinators.ListCombinator (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api
+

Class Combinators.ListCombinator<T>

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.html new file mode 100644 index 000000000..66e8ba259 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Combinators.html @@ -0,0 +1,577 @@ + + + + + +Combinators (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api
+

Class Combinators

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Skip navigation links
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net.jqwik.api
+

Annotation Type Data

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Disabled.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Disabled.html new file mode 100644 index 000000000..28de8375e --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Disabled.html @@ -0,0 +1,226 @@ + + + + + +Disabled (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Annotation Type Disabled

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/EdgeCases.EdgeCasesFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/EdgeCases.EdgeCasesFacade.html new file mode 100644 index 000000000..092edd5ed --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/EdgeCases.EdgeCasesFacade.html @@ -0,0 +1,346 @@ + + + + + +EdgeCases.EdgeCasesFacade (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Class EdgeCases.EdgeCasesFacade

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Skip navigation links
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Skip navigation links
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net.jqwik.api
+

Interface EdgeCases<T>

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/EdgeCasesMode.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/EdgeCasesMode.html new file mode 100644 index 000000000..54e0bb72d --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/EdgeCasesMode.html @@ -0,0 +1,425 @@ + + + + + +EdgeCasesMode (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Enum EdgeCasesMode

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Example.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Example.html new file mode 100644 index 000000000..7cb9c54ee --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Example.html @@ -0,0 +1,179 @@ + + + + + +Example (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Annotation Type Example

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/ExhaustiveGenerator.ExhaustiveGeneratorFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/ExhaustiveGenerator.ExhaustiveGeneratorFacade.html new file mode 100644 index 000000000..b63611741 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/ExhaustiveGenerator.ExhaustiveGeneratorFacade.html @@ -0,0 +1,331 @@ + + + + + +ExhaustiveGenerator.ExhaustiveGeneratorFacade (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Class ExhaustiveGenerator.ExhaustiveGeneratorFacade

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/ExhaustiveGenerator.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/ExhaustiveGenerator.html new file mode 100644 index 000000000..d757b9aa7 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/ExhaustiveGenerator.html @@ -0,0 +1,360 @@ + + + + + +ExhaustiveGenerator (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Interface ExhaustiveGenerator<T>

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/FacadeLoader.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/FacadeLoader.html new file mode 100644 index 000000000..6033dc5fd --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/FacadeLoader.html @@ -0,0 +1,283 @@ + + + + + +FacadeLoader (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Class FacadeLoader

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/FalsificationResult.Status.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/FalsificationResult.Status.html new file mode 100644 index 000000000..250a90cea --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/FalsificationResult.Status.html @@ -0,0 +1,354 @@ + + + + + +FalsificationResult.Status (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Enum FalsificationResult.Status

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/FalsificationResult.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/FalsificationResult.html new file mode 100644 index 000000000..3dae8af59 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/FalsificationResult.html @@ -0,0 +1,426 @@ + + + + + +FalsificationResult (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Class FalsificationResult<T>

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Falsifier.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Falsifier.html new file mode 100644 index 000000000..0e8e6c77a --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Falsifier.html @@ -0,0 +1,284 @@ + + + + + +Falsifier (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Interface Falsifier<T>

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html new file mode 100644 index 000000000..1fda09c11 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html @@ -0,0 +1,266 @@ + + + + + +ForAll (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Annotation Type ForAll

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/From.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/From.html new file mode 100644 index 000000000..4277aedbc --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/From.html @@ -0,0 +1,222 @@ + + + + + +From (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Annotation Type From

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/FromData.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/FromData.html new file mode 100644 index 000000000..6531680ec --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/FromData.html @@ -0,0 +1,223 @@ + + + + + +FromData (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Annotation Type FromData

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Skip navigation links
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+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Functions.FunctionWrapper.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Functions.FunctionWrapper.html new file mode 100644 index 000000000..9e5d12eed --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Functions.FunctionWrapper.html @@ -0,0 +1,255 @@ + + + + + +Functions.FunctionWrapper (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Class Functions.FunctionWrapper

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Functions.FunctionsFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Functions.FunctionsFacade.html new file mode 100644 index 000000000..ea1e9eeb0 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Functions.FunctionsFacade.html @@ -0,0 +1,288 @@ + + + + + +Functions.FunctionsFacade (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
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net.jqwik.api
+

Class Functions.FunctionsFacade

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Functions.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Functions.html new file mode 100644 index 000000000..a70041d2b --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Functions.html @@ -0,0 +1,274 @@ + + + + + +Functions (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Class Functions

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/GenerationMode.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/GenerationMode.html new file mode 100644 index 000000000..7e698bb0c --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/GenerationMode.html @@ -0,0 +1,416 @@ + + + + + +GenerationMode (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Enum GenerationMode

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Group.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Group.html new file mode 100644 index 000000000..9980caeef --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Group.html @@ -0,0 +1,166 @@ + + + + + +Group (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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+ + +
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net.jqwik.api
+

Annotation Type Group

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/JqwikException.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/JqwikException.html new file mode 100644 index 000000000..3ee0dbb52 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/JqwikException.html @@ -0,0 +1,288 @@ + + + + + +JqwikException (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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+ + +
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net.jqwik.api
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Class JqwikException

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Skip navigation links
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net.jqwik.api
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Annotation Type Label

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net.jqwik.api
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Annotation Type Property

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net.jqwik.api
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Annotation Type Provide

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/RandomDistribution.RandomDistributionFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/RandomDistribution.RandomDistributionFacade.html new file mode 100644 index 000000000..1dee9ed9b --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/RandomDistribution.RandomDistributionFacade.html @@ -0,0 +1,299 @@ + + + + + +RandomDistribution.RandomDistributionFacade (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api
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Class RandomDistribution.RandomDistributionFacade

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net.jqwik.api
+

Interface RandomDistribution.RandomNumericGenerator

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net.jqwik.api
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Interface RandomDistribution

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net.jqwik.api
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Class RandomGenerator.RandomGeneratorFacade

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net.jqwik.api
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Interface RandomGenerator<T>

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net.jqwik.api
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Annotation Type Report

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net.jqwik.api
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Interface Reporter

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Skip navigation links
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net.jqwik.api
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Enum Reporting

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net.jqwik.api
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Interface SampleReportingFormat

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Shrinkable.ShrinkableFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Shrinkable.ShrinkableFacade.html new file mode 100644 index 000000000..2f3b03313 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Shrinkable.ShrinkableFacade.html @@ -0,0 +1,324 @@ + + + + + +Shrinkable.ShrinkableFacade (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api
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Class Shrinkable.ShrinkableFacade

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Skip navigation links
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Skip navigation links
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net.jqwik.api
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Interface Shrinkable<T>

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Skip navigation links
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net.jqwik.api
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Class ShrinkingDistance

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/ShrinkingMode.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/ShrinkingMode.html new file mode 100644 index 000000000..4e002a28f --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/ShrinkingMode.html @@ -0,0 +1,370 @@ + + + + + +ShrinkingMode (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Enum ShrinkingMode

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/ShrinkingSequence.ShrinkingSequenceFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/ShrinkingSequence.ShrinkingSequenceFacade.html new file mode 100644 index 000000000..d2b95b949 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/ShrinkingSequence.ShrinkingSequenceFacade.html @@ -0,0 +1,333 @@ + + + + + +ShrinkingSequence.ShrinkingSequenceFacade (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Class ShrinkingSequence.ShrinkingSequenceFacade

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/ShrinkingSequence.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/ShrinkingSequence.html new file mode 100644 index 000000000..60afba5d6 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/ShrinkingSequence.html @@ -0,0 +1,336 @@ + + + + + +ShrinkingSequence (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Interface ShrinkingSequence<T>

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Skip navigation links
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net.jqwik.api
+

Class Table

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/Tag.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/Tag.html new file mode 100644 index 000000000..4d8742fdd --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/Tag.html @@ -0,0 +1,236 @@ + + + + + +Tag (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Annotation Type Tag

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/TagList.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/TagList.html new file mode 100644 index 000000000..207661063 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/TagList.html @@ -0,0 +1,213 @@ + + + + + +TagList (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Annotation Type TagList

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/TooManyFilterMissesException.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/TooManyFilterMissesException.html new file mode 100644 index 000000000..a22859508 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/TooManyFilterMissesException.html @@ -0,0 +1,271 @@ + + + + + +TooManyFilterMissesException (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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net.jqwik.api
+

Class TooManyFilterMissesException

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Skip navigation links
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net.jqwik.api
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Class Tuple.Tuple1<T1>

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net.jqwik.api
+

Class Tuple.Tuple2<T1,T2>

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net.jqwik.api
+

Class Tuple.Tuple3<T1,T2,T3>

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Skip navigation links
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net.jqwik.api
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Class Tuple.Tuple4<T1,T2,T3,T4>

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Skip navigation links
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net.jqwik.api
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Class Tuple.Tuple5<T1,T2,T3,T4,T5>

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net.jqwik.api
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Class Tuple.Tuple6<T1,T2,T3,T4,T5,T6>

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Class Tuple.Tuple7<T1,T2,T3,T4,T5,T6,T7>

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net.jqwik.api
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Class Tuple.Tuple8<T1,T2,T3,T4,T5,T6,T7,T8>

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net.jqwik.api
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Interface Tuple

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net.jqwik.api.arbitraries
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Interface BigDecimalArbitrary

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net.jqwik.api.arbitraries
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Interface BigIntegerArbitrary

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net.jqwik.api.arbitraries
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Interface ByteArbitrary

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net.jqwik.api.arbitraries
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Interface CharacterArbitrary

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net.jqwik.api.arbitraries
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Interface DoubleArbitrary

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net.jqwik.api.arbitraries
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Interface FloatArbitrary

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net.jqwik.api.arbitraries
+

Interface FunctionArbitrary<F,R>

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net.jqwik.api.arbitraries
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Interface IntegerArbitrary

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net.jqwik.api.arbitraries
+

Interface IteratorArbitrary<T>

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net.jqwik.api.arbitraries
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Interface ListArbitrary<T>

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net.jqwik.api.arbitraries
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Interface LongArbitrary

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net.jqwik.api.arbitraries
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Interface MapArbitrary<K,V>

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net.jqwik.api.arbitraries
+

Interface NumericalArbitrary<T,A extends NumericalArbitrary<T,A>>

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net.jqwik.api.arbitraries
+

Interface SetArbitrary<T>

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net.jqwik.api.arbitraries
+

Interface ShortArbitrary

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/SizableArbitrary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/SizableArbitrary.html new file mode 100644 index 000000000..06c870bf5 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/SizableArbitrary.html @@ -0,0 +1,287 @@ + + + + + +SizableArbitrary (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.arbitraries
+

Interface SizableArbitrary<U>

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/StreamArbitrary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/StreamArbitrary.html new file mode 100644 index 000000000..5ad2f752b --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/StreamArbitrary.html @@ -0,0 +1,321 @@ + + + + + +StreamArbitrary (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.arbitraries
+

Interface StreamArbitrary<T>

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net.jqwik.api.arbitraries
+

Interface StreamableArbitrary<T,U>

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net.jqwik.api.arbitraries
+

Interface StringArbitrary

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/TypeArbitrary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/TypeArbitrary.html new file mode 100644 index 000000000..1610f55c2 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/TypeArbitrary.html @@ -0,0 +1,408 @@ + + + + + +TypeArbitrary (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.arbitraries
+

Interface TypeArbitrary<T>

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/package-frame.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/package-frame.html new file mode 100644 index 000000000..61d674f3f --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/package-frame.html @@ -0,0 +1,38 @@ + + + + + +net.jqwik.api.arbitraries (documentation 1.3.2 API) + + + + +

net.jqwik.api.arbitraries

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+

Interfaces

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+

Package net.jqwik.api.arbitraries

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/package-tree.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/package-tree.html new file mode 100644 index 000000000..cfe76d001 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/package-tree.html @@ -0,0 +1,162 @@ + + + + + +net.jqwik.api.arbitraries Class Hierarchy (documentation 1.3.2 API) + + + + + + + +
+ + +
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+

Hierarchy For Package net.jqwik.api.arbitraries

+Package Hierarchies: + +
+
+

Interface Hierarchy

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net.jqwik.api.configurators
+

Class ArbitraryConfigurationException

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net.jqwik.api.configurators
+

Interface ArbitraryConfigurator

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net.jqwik.api.configurators
+

Class ArbitraryConfiguratorBase

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/configurators/SelfConfiguringArbitrary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/configurators/SelfConfiguringArbitrary.html new file mode 100644 index 000000000..45d35cbfe --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/configurators/SelfConfiguringArbitrary.html @@ -0,0 +1,269 @@ + + + + + +SelfConfiguringArbitrary (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.configurators
+

Interface SelfConfiguringArbitrary<T>

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/configurators/package-frame.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/configurators/package-frame.html new file mode 100644 index 000000000..181b51149 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/configurators/package-frame.html @@ -0,0 +1,28 @@ + + + + + +net.jqwik.api.configurators (documentation 1.3.2 API) + + + + +

net.jqwik.api.configurators

+
+

Interfaces

+ +

Classes

+ +

Exceptions

+ +
+ + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/configurators/package-summary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/configurators/package-summary.html new file mode 100644 index 000000000..a85f39565 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/configurators/package-summary.html @@ -0,0 +1,186 @@ + + + + + +net.jqwik.api.configurators (documentation 1.3.2 API) + + + + + + + +
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+

Package net.jqwik.api.configurators

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Skip navigation links
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Hierarchy For Package net.jqwik.api.configurators

+Package Hierarchies: + +
+
+

Class Hierarchy

+ +

Interface Hierarchy

+ +
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/AlphaChars.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/AlphaChars.html new file mode 100644 index 000000000..754ebd65d --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/AlphaChars.html @@ -0,0 +1,177 @@ + + + + + +AlphaChars (documentation 1.3.2 API) + + + + + + + +
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+
net.jqwik.api.constraints
+

Annotation Type AlphaChars

+
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/BigRange.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/BigRange.html new file mode 100644 index 000000000..aa9a22f72 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/BigRange.html @@ -0,0 +1,296 @@ + + + + + +BigRange (documentation 1.3.2 API) + + + + + + + +
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+
net.jqwik.api.constraints
+

Annotation Type BigRange

+
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/ByteRange.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/ByteRange.html new file mode 100644 index 000000000..4aa8d95ca --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/ByteRange.html @@ -0,0 +1,250 @@ + + + + + +ByteRange (documentation 1.3.2 API) + + + + + + + +
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+
net.jqwik.api.constraints
+

Annotation Type ByteRange

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/CharRange.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/CharRange.html new file mode 100644 index 000000000..1fc9f386d --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/CharRange.html @@ -0,0 +1,262 @@ + + + + + +CharRange (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type CharRange

+
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/CharRangeList.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/CharRangeList.html new file mode 100644 index 000000000..36e70bb03 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/CharRangeList.html @@ -0,0 +1,213 @@ + + + + + +CharRangeList (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type CharRangeList

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Chars.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Chars.html new file mode 100644 index 000000000..69b31e2d2 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Chars.html @@ -0,0 +1,226 @@ + + + + + +Chars (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type Chars

+
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/CharsList.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/CharsList.html new file mode 100644 index 000000000..daffd02fb --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/CharsList.html @@ -0,0 +1,213 @@ + + + + + +CharsList (documentation 1.3.2 API) + + + + + + + +
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+
net.jqwik.api.constraints
+

Annotation Type CharsList

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/DoubleRange.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/DoubleRange.html new file mode 100644 index 000000000..4a5d0302f --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/DoubleRange.html @@ -0,0 +1,294 @@ + + + + + +DoubleRange (documentation 1.3.2 API) + + + + + + + +
+ + +
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+
net.jqwik.api.constraints
+

Annotation Type DoubleRange

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/FloatRange.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/FloatRange.html new file mode 100644 index 000000000..2e931ebb3 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/FloatRange.html @@ -0,0 +1,290 @@ + + + + + +FloatRange (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type FloatRange

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/IntRange.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/IntRange.html new file mode 100644 index 000000000..6ea686fde --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/IntRange.html @@ -0,0 +1,250 @@ + + + + + +IntRange (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type IntRange

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/LongRange.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/LongRange.html new file mode 100644 index 000000000..2d6bb7fd6 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/LongRange.html @@ -0,0 +1,250 @@ + + + + + +LongRange (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type LongRange

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/LowerChars.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/LowerChars.html new file mode 100644 index 000000000..e0178b045 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/LowerChars.html @@ -0,0 +1,177 @@ + + + + + +LowerChars (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type LowerChars

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Negative.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Negative.html new file mode 100644 index 000000000..a1dca614b --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Negative.html @@ -0,0 +1,173 @@ + + + + + +Negative (documentation 1.3.2 API) + + + + + + + +
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+
net.jqwik.api.constraints
+

Annotation Type Negative

+
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Skip navigation links
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+ +
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/NotEmpty.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/NotEmpty.html new file mode 100644 index 000000000..9234b3324 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/NotEmpty.html @@ -0,0 +1,177 @@ + + + + + +NotEmpty (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type NotEmpty

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/NumericChars.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/NumericChars.html new file mode 100644 index 000000000..761723b1c --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/NumericChars.html @@ -0,0 +1,178 @@ + + + + + +NumericChars (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type NumericChars

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Positive.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Positive.html new file mode 100644 index 000000000..6b91d61f6 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Positive.html @@ -0,0 +1,173 @@ + + + + + +Positive (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type Positive

+
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Skip navigation links
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+ +
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+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Scale.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Scale.html new file mode 100644 index 000000000..89a9dbe3d --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Scale.html @@ -0,0 +1,221 @@ + + + + + +Scale (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type Scale

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/ShortRange.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/ShortRange.html new file mode 100644 index 000000000..44382e5b8 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/ShortRange.html @@ -0,0 +1,250 @@ + + + + + +ShortRange (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type ShortRange

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Size.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Size.html new file mode 100644 index 000000000..3953bac75 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Size.html @@ -0,0 +1,264 @@ + + + + + +Size (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.constraints
+

Annotation Type Size

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/StringLength.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/StringLength.html new file mode 100644 index 000000000..86fe7ecd2 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/StringLength.html @@ -0,0 +1,264 @@ + + + + + +StringLength (documentation 1.3.2 API) + + + + + + + +
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Skip navigation links
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+
+ + + +
+ +
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+ + +
+
net.jqwik.api.constraints
+

Annotation Type StringLength

+
+
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+ +
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+ +
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+ + +
+ + +
Skip navigation links
+ + + + +
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+ +
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+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Unique.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Unique.html new file mode 100644 index 000000000..d9f9f5972 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Unique.html @@ -0,0 +1,174 @@ + + + + + +Unique (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
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+ +
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+ + +
+
net.jqwik.api.constraints
+

Annotation Type Unique

+
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+ +
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+ + +
Skip navigation links
+ + + + +
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+ +
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/UpperChars.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/UpperChars.html new file mode 100644 index 000000000..677a05544 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/UpperChars.html @@ -0,0 +1,179 @@ + + + + + +UpperChars (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
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+ + +
+
net.jqwik.api.constraints
+

Annotation Type UpperChars

+
+
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+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
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+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/UseType.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/UseType.html new file mode 100644 index 000000000..8cf034c7c --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/UseType.html @@ -0,0 +1,233 @@ + + + + + +UseType (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
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+ + +
+
net.jqwik.api.constraints
+

Annotation Type UseType

+
+
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+ +
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+ +
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+ +
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Skip navigation links
+ + + + +
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+ +
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/UseTypeMode.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/UseTypeMode.html new file mode 100644 index 000000000..978d86aa1 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/UseTypeMode.html @@ -0,0 +1,379 @@ + + + + + +UseTypeMode (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
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+ + +
+
net.jqwik.api.constraints
+

Enum UseTypeMode

+
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+ +
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+ +
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Skip navigation links
+ + + + +
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Whitespace.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Whitespace.html new file mode 100644 index 000000000..702a6c6fd --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/Whitespace.html @@ -0,0 +1,177 @@ + + + + + +Whitespace (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
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+
net.jqwik.api.constraints
+

Annotation Type Whitespace

+
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Skip navigation links
+ + + + +
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+ +
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+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/WithNull.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/WithNull.html new file mode 100644 index 000000000..c8ff4c1a1 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/WithNull.html @@ -0,0 +1,226 @@ + + + + + +WithNull (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
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+ + +
+
net.jqwik.api.constraints
+

Annotation Type WithNull

+
+
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+
+ +
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+ + +
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Skip navigation links
+ + + + +
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+ + + +
+ +
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/package-frame.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/package-frame.html new file mode 100644 index 000000000..cd578020f --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/package-frame.html @@ -0,0 +1,47 @@ + + + + + +net.jqwik.api.constraints (documentation 1.3.2 API) + + + + +

net.jqwik.api.constraints

+
+

Enums

+ +

Annotation Types

+ +
+ + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/package-summary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/package-summary.html new file mode 100644 index 000000000..2882f2d1a --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/package-summary.html @@ -0,0 +1,299 @@ + + + + + +net.jqwik.api.constraints (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ +
+

Package net.jqwik.api.constraints

+
+
+ +
+ +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/package-tree.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/package-tree.html new file mode 100644 index 000000000..dce9db619 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/constraints/package-tree.html @@ -0,0 +1,166 @@ + + + + + +net.jqwik.api.constraints Class Hierarchy (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ +
+

Hierarchy For Package net.jqwik.api.constraints

+Package Hierarchies: + +
+
+

Annotation Type Hierarchy

+ +

Enum Hierarchy

+ +
+ +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/AbstractDomainContextBase.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/AbstractDomainContextBase.html new file mode 100644 index 000000000..e889c8c37 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/AbstractDomainContextBase.html @@ -0,0 +1,396 @@ + + + + + +AbstractDomainContextBase (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.domains
+

Class AbstractDomainContextBase

+
+
+ +
+ +
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+ +
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+ +
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+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
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+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/Domain.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/Domain.html new file mode 100644 index 000000000..f383fe6d4 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/Domain.html @@ -0,0 +1,296 @@ + + + + + +Domain (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.domains
+

Annotation Type Domain

+
+
+
+ +
+
+ +
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+ +
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+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainContext.DomainContextFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainContext.DomainContextFacade.html new file mode 100644 index 000000000..60b225481 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainContext.DomainContextFacade.html @@ -0,0 +1,273 @@ + + + + + +DomainContext.DomainContextFacade (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.domains
+

Class DomainContext.DomainContextFacade

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
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+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainContext.Global.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainContext.Global.html new file mode 100644 index 000000000..63d74e27b --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainContext.Global.html @@ -0,0 +1,322 @@ + + + + + +DomainContext.Global (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.domains
+

Class DomainContext.Global

+
+
+ +
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainContext.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainContext.html new file mode 100644 index 000000000..bc957aa07 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainContext.html @@ -0,0 +1,298 @@ + + + + + +DomainContext (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.domains
+

Interface DomainContext

+
+
+
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainList.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainList.html new file mode 100644 index 000000000..23331de91 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainList.html @@ -0,0 +1,213 @@ + + + + + +DomainList (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.domains
+

Annotation Type DomainList

+
+
+
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/package-frame.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/package-frame.html new file mode 100644 index 000000000..2ce5ef071 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/package-frame.html @@ -0,0 +1,30 @@ + + + + + +net.jqwik.api.domains (documentation 1.3.2 API) + + + + +

net.jqwik.api.domains

+
+

Interfaces

+ +

Classes

+ +

Annotation Types

+ +
+ + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/package-summary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/package-summary.html new file mode 100644 index 000000000..683d6cf23 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/package-summary.html @@ -0,0 +1,193 @@ + + + + + +net.jqwik.api.domains (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ +
+

Package net.jqwik.api.domains

+
+
+ +
+ +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/package-tree.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/package-tree.html new file mode 100644 index 000000000..960dd4a6a --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/domains/package-tree.html @@ -0,0 +1,145 @@ + + + + + +net.jqwik.api.domains Class Hierarchy (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ +
+

Hierarchy For Package net.jqwik.api.domains

+Package Hierarchies: + +
+
+

Class Hierarchy

+ +

Interface Hierarchy

+ +

Annotation Type Hierarchy

+ +
+ +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AddLifecycleHook.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AddLifecycleHook.html new file mode 100644 index 000000000..019f89463 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AddLifecycleHook.html @@ -0,0 +1,269 @@ + + + + + +AddLifecycleHook (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.lifecycle
+

Annotation Type AddLifecycleHook

+
+
+
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterContainer.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterContainer.html new file mode 100644 index 000000000..6da54b921 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterContainer.html @@ -0,0 +1,181 @@ + + + + + +AfterContainer (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.lifecycle
+

Annotation Type AfterContainer

+
+
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterContainerHook.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterContainerHook.html new file mode 100644 index 000000000..dbc8e3191 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterContainerHook.html @@ -0,0 +1,325 @@ + + + + + +AfterContainerHook (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.lifecycle
+

Interface AfterContainerHook

+
+
+
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterExample.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterExample.html new file mode 100644 index 000000000..ed2333b07 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterExample.html @@ -0,0 +1,170 @@ + + + + + +AfterExample (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.lifecycle
+

Annotation Type AfterExample

+
+
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterProperty.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterProperty.html new file mode 100644 index 000000000..5e1ceb8a2 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterProperty.html @@ -0,0 +1,185 @@ + + + + + +AfterProperty (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.lifecycle
+

Annotation Type AfterProperty

+
+
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterTry.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterTry.html new file mode 100644 index 000000000..f0365f1fa --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterTry.html @@ -0,0 +1,186 @@ + + + + + +AfterTry (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.lifecycle
+

Annotation Type AfterTry

+
+
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundContainerHook.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundContainerHook.html new file mode 100644 index 000000000..9fa4a8672 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundContainerHook.html @@ -0,0 +1,387 @@ + + + + + +AroundContainerHook (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.lifecycle
+

Interface AroundContainerHook

+
+
+
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundPropertyHook.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundPropertyHook.html new file mode 100644 index 000000000..afa4a31f7 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundPropertyHook.html @@ -0,0 +1,338 @@ + + + + + +AroundPropertyHook (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.lifecycle
+

Interface AroundPropertyHook

+
+
+
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundTryHook.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundTryHook.html new file mode 100644 index 000000000..58d5d7f43 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundTryHook.html @@ -0,0 +1,346 @@ + + + + + +AroundTryHook (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.lifecycle
+

Interface AroundTryHook

+
+
+
+ +
+
+ +
+
+ +
+
+ + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeContainer.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeContainer.html new file mode 100644 index 000000000..93660b753 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeContainer.html @@ -0,0 +1,181 @@ + + + + + +BeforeContainer (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+
+ + +
+ + +
+ + +
+
net.jqwik.api.lifecycle
+

Annotation Type BeforeContainer

+
+
+
+ +
+
+ + +
+ + +
Skip navigation links
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net.jqwik.api.lifecycle
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Interface BeforeContainerHook

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net.jqwik.api.lifecycle
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Annotation Type BeforeExample

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net.jqwik.api.lifecycle
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Annotation Type BeforeProperty

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net.jqwik.api.lifecycle
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Annotation Type BeforeTry

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net.jqwik.api.lifecycle
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Class CannotFindStoreException

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net.jqwik.api.lifecycle
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Class CannotResolveParameterException

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net.jqwik.api.lifecycle
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Interface ContainerLifecycleContext

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net.jqwik.api.lifecycle
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Interface LifecycleContext

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net.jqwik.api.lifecycle
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Interface LifecycleHook

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net.jqwik.api.lifecycle
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Annotation Type LifecycleHooks

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net.jqwik.api.lifecycle
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Enum Lifespan

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net.jqwik.api.lifecycle
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Interface ParameterResolutionContext

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net.jqwik.api.lifecycle
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Interface PerProperty.Lifecycle

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net.jqwik.api.lifecycle
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Class PerProperty.PerPropertyHook

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net.jqwik.api.lifecycle
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Annotation Type PerProperty

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net.jqwik.api.lifecycle
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Enum PropagationMode

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/PropertyExecutionResult.Status.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/PropertyExecutionResult.Status.html new file mode 100644 index 000000000..81020b46a --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/PropertyExecutionResult.Status.html @@ -0,0 +1,370 @@ + + + + + +PropertyExecutionResult.Status (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.lifecycle
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Enum PropertyExecutionResult.Status

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net.jqwik.api.lifecycle
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Interface PropertyExecutionResult

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net.jqwik.api.lifecycle
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Interface PropertyExecutor

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net.jqwik.api.lifecycle
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Interface PropertyLifecycleContext

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/RegistrarHook.Registrar.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/RegistrarHook.Registrar.html new file mode 100644 index 000000000..ad94d027a --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/RegistrarHook.Registrar.html @@ -0,0 +1,253 @@ + + + + + +RegistrarHook.Registrar (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.lifecycle
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Interface RegistrarHook.Registrar

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net.jqwik.api.lifecycle
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Interface RegistrarHook

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/ResolveParameterHook.ParameterSupplier.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/ResolveParameterHook.ParameterSupplier.html new file mode 100644 index 000000000..af35105d7 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/ResolveParameterHook.ParameterSupplier.html @@ -0,0 +1,242 @@ + + + + + +ResolveParameterHook.ParameterSupplier (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.lifecycle
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Interface ResolveParameterHook.ParameterSupplier

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net.jqwik.api.lifecycle
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Interface ResolveParameterHook

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/SkipExecutionHook.SkipResult.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/SkipExecutionHook.SkipResult.html new file mode 100644 index 000000000..8ad50c6c0 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/SkipExecutionHook.SkipResult.html @@ -0,0 +1,326 @@ + + + + + +SkipExecutionHook.SkipResult (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.lifecycle
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Class SkipExecutionHook.SkipResult

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net.jqwik.api.lifecycle
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Interface SkipExecutionHook

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/Store.StoreFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/Store.StoreFacade.html new file mode 100644 index 000000000..85bf0fa8b --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/Store.StoreFacade.html @@ -0,0 +1,290 @@ + + + + + +Store.StoreFacade (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.lifecycle
+

Class Store.StoreFacade

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net.jqwik.api.lifecycle
+

Interface Store<T>

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/TryExecutionResult.Status.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/TryExecutionResult.Status.html new file mode 100644 index 000000000..6c2ac3779 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/TryExecutionResult.Status.html @@ -0,0 +1,364 @@ + + + + + +TryExecutionResult.Status (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.lifecycle
+

Enum TryExecutionResult.Status

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net.jqwik.api.lifecycle
+

Interface TryExecutionResult

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/TryExecutor.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/TryExecutor.html new file mode 100644 index 000000000..c6cb3ea24 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/TryExecutor.html @@ -0,0 +1,221 @@ + + + + + +TryExecutor (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.lifecycle
+

Interface TryExecutor

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/TryLifecycleContext.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/TryLifecycleContext.html new file mode 100644 index 000000000..66fbc1f8d --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/TryLifecycleContext.html @@ -0,0 +1,296 @@ + + + + + +TryLifecycleContext (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.lifecycle
+

Interface TryLifecycleContext

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net.jqwik.api.lifecycle

+
+

Interfaces

+ +

Classes

+ +

Enums

+ +

Exceptions

+ +

Annotation Types

+ +
+ + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/package-summary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/package-summary.html new file mode 100644 index 000000000..1fc2bb2e5 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/package-summary.html @@ -0,0 +1,461 @@ + + + + + +net.jqwik.api.lifecycle (documentation 1.3.2 API) + + + + + + + +
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+

Package net.jqwik.api.lifecycle

+
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Skip navigation links
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Hierarchy For Package net.jqwik.api.lifecycle

+Package Hierarchies: + +
+
+

Class Hierarchy

+ +

Interface Hierarchy

+ +

Annotation Type Hierarchy

+ +

Enum Hierarchy

+ +
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net.jqwik.api

+
+

Interfaces

+ +

Classes

+ +

Enums

+ +

Exceptions

+ +

Annotation Types

+ +
+ + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/package-summary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/package-summary.html new file mode 100644 index 000000000..5bd62a8e5 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/package-summary.html @@ -0,0 +1,541 @@ + + + + + +net.jqwik.api (documentation 1.3.2 API) + + + + + + + +
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+

Package net.jqwik.api

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Hierarchy For Package net.jqwik.api

+Package Hierarchies: + +
+
+

Class Hierarchy

+ +

Interface Hierarchy

+ +

Annotation Type Hierarchy

+ +

Enum Hierarchy

+ +
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/ArbitraryProvider.SubtypeProvider.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/ArbitraryProvider.SubtypeProvider.html new file mode 100644 index 000000000..6e1bc9c70 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/ArbitraryProvider.SubtypeProvider.html @@ -0,0 +1,253 @@ + + + + + +ArbitraryProvider.SubtypeProvider (documentation 1.3.2 API) + + + + + + + +
+ + +
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net.jqwik.api.providers
+

Interface ArbitraryProvider.SubtypeProvider

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/ArbitraryProvider.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/ArbitraryProvider.html new file mode 100644 index 000000000..840e9a35d --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/ArbitraryProvider.html @@ -0,0 +1,307 @@ + + + + + +ArbitraryProvider (documentation 1.3.2 API) + + + + + + + +
+ + +
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net.jqwik.api.providers
+

Interface ArbitraryProvider

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/TypeUsage.TypeUsageFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/TypeUsage.TypeUsageFacade.html new file mode 100644 index 000000000..1baeede34 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/TypeUsage.TypeUsageFacade.html @@ -0,0 +1,301 @@ + + + + + +TypeUsage.TypeUsageFacade (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.providers
+

Class TypeUsage.TypeUsageFacade

+
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/TypeUsage.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/TypeUsage.html new file mode 100644 index 000000000..f4c38c55d --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/TypeUsage.html @@ -0,0 +1,676 @@ + + + + + +TypeUsage (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.providers
+

Interface TypeUsage

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/package-frame.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/package-frame.html new file mode 100644 index 000000000..a06d68c0d --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/package-frame.html @@ -0,0 +1,25 @@ + + + + + +net.jqwik.api.providers (documentation 1.3.2 API) + + + + +

net.jqwik.api.providers

+
+

Interfaces

+ +

Classes

+ +
+ + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/package-summary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/package-summary.html new file mode 100644 index 000000000..38bd738f7 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/package-summary.html @@ -0,0 +1,167 @@ + + + + + +net.jqwik.api.providers (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
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+

Package net.jqwik.api.providers

+
+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/package-tree.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/package-tree.html new file mode 100644 index 000000000..c3505480c --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/providers/package-tree.html @@ -0,0 +1,144 @@ + + + + + +net.jqwik.api.providers Class Hierarchy (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
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+

Hierarchy For Package net.jqwik.api.providers

+Package Hierarchies: + +
+
+

Class Hierarchy

+ +

Interface Hierarchy

+ +
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/Action.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/Action.html new file mode 100644 index 000000000..b56ee8aa1 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/Action.html @@ -0,0 +1,263 @@ + + + + + +Action (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.stateful
+

Interface Action<S>

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/ActionSequence.RunState.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/ActionSequence.RunState.html new file mode 100644 index 000000000..8a1d07488 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/ActionSequence.RunState.html @@ -0,0 +1,366 @@ + + + + + +ActionSequence.RunState (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.stateful
+

Enum ActionSequence.RunState

+
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Skip navigation links
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net.jqwik.api.stateful
+

Interface ActionSequence<M>

+
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/ActionSequenceArbitrary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/ActionSequenceArbitrary.html new file mode 100644 index 000000000..890686e31 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/ActionSequenceArbitrary.html @@ -0,0 +1,297 @@ + + + + + +ActionSequenceArbitrary (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.stateful
+

Interface ActionSequenceArbitrary<M>

+
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/Invariant.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/Invariant.html new file mode 100644 index 000000000..2293798da --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/Invariant.html @@ -0,0 +1,227 @@ + + + + + +Invariant (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.stateful
+

Interface Invariant<T>

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/package-frame.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/package-frame.html new file mode 100644 index 000000000..74f1b9d34 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/package-frame.html @@ -0,0 +1,26 @@ + + + + + +net.jqwik.api.stateful (documentation 1.3.2 API) + + + + +

net.jqwik.api.stateful

+
+

Interfaces

+ +

Enums

+ +
+ + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/package-summary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/package-summary.html new file mode 100644 index 000000000..b40ee4e6e --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/package-summary.html @@ -0,0 +1,171 @@ + + + + + +net.jqwik.api.stateful (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
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+ + + +
+ +
+ + +
+ +
+

Package net.jqwik.api.stateful

+
+
+ +
+ +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/package-tree.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/package-tree.html new file mode 100644 index 000000000..36dd990a5 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/stateful/package-tree.html @@ -0,0 +1,153 @@ + + + + + +net.jqwik.api.stateful Class Hierarchy (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
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+ + + +
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+ + +
+ +
+

Hierarchy For Package net.jqwik.api.stateful

+Package Hierarchies: + +
+
+

Interface Hierarchy

+ +

Enum Hierarchy

+ +
+ +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Histogram.Bucket.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Histogram.Bucket.html new file mode 100644 index 000000000..da576061f --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Histogram.Bucket.html @@ -0,0 +1,252 @@ + + + + + +Histogram.Bucket (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
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+ + + +
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+
+ + +
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+
net.jqwik.api.statistics
+

Class Histogram.Bucket

+
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Histogram.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Histogram.html new file mode 100644 index 000000000..ab9de0d3a --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Histogram.html @@ -0,0 +1,413 @@ + + + + + +Histogram (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.statistics
+

Class Histogram

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/NumberRangeHistogram.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/NumberRangeHistogram.html new file mode 100644 index 000000000..6b2ead8ab --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/NumberRangeHistogram.html @@ -0,0 +1,408 @@ + + + + + +NumberRangeHistogram (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.statistics
+

Class NumberRangeHistogram

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Statistics.StatisticsFacade.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Statistics.StatisticsFacade.html new file mode 100644 index 000000000..64a412e96 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Statistics.StatisticsFacade.html @@ -0,0 +1,285 @@ + + + + + +Statistics.StatisticsFacade (documentation 1.3.2 API) + + + + + + + +
+ + +
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net.jqwik.api.statistics
+

Class Statistics.StatisticsFacade

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Statistics.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Statistics.html new file mode 100644 index 000000000..4d2fcf7be --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/Statistics.html @@ -0,0 +1,362 @@ + + + + + +Statistics (documentation 1.3.2 API) + + + + + + + +
+ + +
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net.jqwik.api.statistics
+

Class Statistics

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsCollector.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsCollector.html new file mode 100644 index 000000000..52ca0e79d --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsCollector.html @@ -0,0 +1,272 @@ + + + + + +StatisticsCollector (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.statistics
+

Interface StatisticsCollector

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsCoverage.CoverageChecker.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsCoverage.CoverageChecker.html new file mode 100644 index 000000000..c7c1a2186 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsCoverage.CoverageChecker.html @@ -0,0 +1,335 @@ + + + + + +StatisticsCoverage.CoverageChecker (documentation 1.3.2 API) + + + + + + + +
+ + +
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net.jqwik.api.statistics
+

Interface StatisticsCoverage.CoverageChecker

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsCoverage.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsCoverage.html new file mode 100644 index 000000000..b143e8f83 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsCoverage.html @@ -0,0 +1,272 @@ + + + + + +StatisticsCoverage (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.statistics
+

Interface StatisticsCoverage

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsEntry.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsEntry.html new file mode 100644 index 000000000..68ab5739b --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsEntry.html @@ -0,0 +1,279 @@ + + + + + +StatisticsEntry (documentation 1.3.2 API) + + + + + + + +
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net.jqwik.api.statistics
+

Interface StatisticsEntry

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.None.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.None.html new file mode 100644 index 000000000..2f6bdb1e7 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.None.html @@ -0,0 +1,291 @@ + + + + + +StatisticsReport.None (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
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net.jqwik.api.statistics
+

Class StatisticsReport.None

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.StatisticsReportMode.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.StatisticsReportMode.html new file mode 100644 index 000000000..262e8ac36 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.StatisticsReportMode.html @@ -0,0 +1,363 @@ + + + + + +StatisticsReport.StatisticsReportMode (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
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net.jqwik.api.statistics
+

Enum StatisticsReport.StatisticsReportMode

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.html new file mode 100644 index 000000000..2c26b8944 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.html @@ -0,0 +1,260 @@ + + + + + +StatisticsReport (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
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net.jqwik.api.statistics
+

Annotation Type StatisticsReport

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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReportFormat.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReportFormat.html new file mode 100644 index 000000000..b292405f9 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReportFormat.html @@ -0,0 +1,245 @@ + + + + + +StatisticsReportFormat (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
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net.jqwik.api.statistics
+

Interface StatisticsReportFormat

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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/package-frame.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/package-frame.html new file mode 100644 index 000000000..4e626bfa2 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/package-frame.html @@ -0,0 +1,40 @@ + + + + + +net.jqwik.api.statistics (documentation 1.3.2 API) + + + + +

net.jqwik.api.statistics

+
+

Interfaces

+ +

Classes

+ +

Enums

+ +

Annotation Types

+ +
+ + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/package-summary.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/package-summary.html new file mode 100644 index 000000000..d269a00a8 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/package-summary.html @@ -0,0 +1,241 @@ + + + + + +net.jqwik.api.statistics (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
+
+ + + +
+ +
+ + +
+ +
+

Package net.jqwik.api.statistics

+
+
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+ +
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Skip navigation links
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+ + + diff --git a/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/package-tree.html b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/package-tree.html new file mode 100644 index 000000000..8ef59b00c --- /dev/null +++ b/docs/docs/1.3.2/javadoc/net/jqwik/api/statistics/package-tree.html @@ -0,0 +1,166 @@ + + + + + +net.jqwik.api.statistics Class Hierarchy (documentation 1.3.2 API) + + + + + + + +
+ + +
Skip navigation links
+ + + + +
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+ + + +
+ +
+ + +
+ +
+

Hierarchy For Package net.jqwik.api.statistics

+Package Hierarchies: + +
+
+

Class Hierarchy

+ +

Interface Hierarchy

+ +

Annotation Type Hierarchy

+ +

Enum Hierarchy

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All Classes
+
+

Packages

+ +
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+ + diff --git a/docs/docs/1.3.2/javadoc/overview-summary.html b/docs/docs/1.3.2/javadoc/overview-summary.html new file mode 100644 index 000000000..45d8c672a --- /dev/null +++ b/docs/docs/1.3.2/javadoc/overview-summary.html @@ -0,0 +1,167 @@ + + + + + +Overview (documentation 1.3.2 API) + + + + + + + +
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documentation 1.3.2 API

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Packages 
PackageDescription
net.jqwik.api 
net.jqwik.api.arbitraries 
net.jqwik.api.configurators 
net.jqwik.api.constraints 
net.jqwik.api.domains 
net.jqwik.api.lifecycle 
net.jqwik.api.providers 
net.jqwik.api.stateful 
net.jqwik.api.statistics 
+
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+ + + diff --git a/docs/docs/1.3.2/javadoc/overview-tree.html b/docs/docs/1.3.2/javadoc/overview-tree.html new file mode 100644 index 000000000..2de32d138 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/overview-tree.html @@ -0,0 +1,468 @@ + + + + + +Class Hierarchy (documentation 1.3.2 API) + + + + + + + +
+ + +
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Hierarchy For All Packages

+Package Hierarchies: + +
+
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Class Hierarchy

+ +

Interface Hierarchy

+ +

Annotation Type Hierarchy

+ +

Enum Hierarchy

+ +
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+ + + diff --git a/docs/docs/1.3.2/javadoc/package-list b/docs/docs/1.3.2/javadoc/package-list new file mode 100644 index 000000000..c3e0a0ba3 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/package-list @@ -0,0 +1,9 @@ +net.jqwik.api +net.jqwik.api.arbitraries +net.jqwik.api.configurators +net.jqwik.api.constraints +net.jqwik.api.domains +net.jqwik.api.lifecycle +net.jqwik.api.providers +net.jqwik.api.stateful +net.jqwik.api.statistics diff --git a/docs/docs/1.3.2/javadoc/script.js b/docs/docs/1.3.2/javadoc/script.js new file mode 100644 index 000000000..b34635693 --- /dev/null +++ b/docs/docs/1.3.2/javadoc/script.js @@ -0,0 +1,30 @@ +function show(type) +{ + count = 0; + for (var key in methods) { + var row = document.getElementById(key); + if ((methods[key] & type) != 0) { + row.style.display = ''; + row.className = (count++ % 2) ? rowColor : altColor; + } + else + row.style.display = 'none'; + } + updateTabs(type); +} + +function updateTabs(type) +{ + for (var value in tabs) { + var sNode = document.getElementById(tabs[value][0]); + var spanNode = sNode.firstChild; + if (value == type) { + sNode.className = activeTableTab; + spanNode.innerHTML = tabs[value][1]; + } + else { + sNode.className = tableTab; + spanNode.innerHTML = "" + tabs[value][1] + ""; + } + } +} diff --git a/docs/docs/1.3.2/javadoc/serialized-form.html b/docs/docs/1.3.2/javadoc/serialized-form.html new file mode 100644 index 000000000..13eec598c --- /dev/null +++ b/docs/docs/1.3.2/javadoc/serialized-form.html @@ -0,0 +1,301 @@ + + + + + +Serialized Form (documentation 1.3.2 API) + + + + + + + +
+ + +
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+

Serialized Form

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+ + + diff --git a/docs/docs/1.3.2/javadoc/stylesheet.css b/docs/docs/1.3.2/javadoc/stylesheet.css new file mode 100644 index 000000000..98055b22d --- /dev/null +++ b/docs/docs/1.3.2/javadoc/stylesheet.css @@ -0,0 +1,574 @@ +/* Javadoc style sheet */ +/* +Overall document style +*/ + +@import url('resources/fonts/dejavu.css'); + +body { + background-color:#ffffff; + color:#353833; + font-family:'DejaVu Sans', Arial, Helvetica, sans-serif; + font-size:14px; + margin:0; +} +a:link, a:visited { + text-decoration:none; + color:#4A6782; +} +a:hover, a:focus { + text-decoration:none; + color:#bb7a2a; +} +a:active { + text-decoration:none; + color:#4A6782; +} +a[name] { + color:#353833; +} +a[name]:hover { + text-decoration:none; + color:#353833; +} +pre { + font-family:'DejaVu Sans Mono', monospace; + font-size:14px; +} +h1 { + font-size:20px; +} +h2 { + font-size:18px; +} +h3 { + font-size:16px; + font-style:italic; +} +h4 { + font-size:13px; +} +h5 { + font-size:12px; +} +h6 { + font-size:11px; +} +ul { + list-style-type:disc; +} +code, tt { + font-family:'DejaVu Sans Mono', monospace; + font-size:14px; + padding-top:4px; + margin-top:8px; + line-height:1.4em; +} +dt code { + font-family:'DejaVu Sans Mono', monospace; + font-size:14px; + padding-top:4px; +} +table tr td dt code { + font-family:'DejaVu Sans Mono', monospace; + font-size:14px; + vertical-align:top; + padding-top:4px; +} +sup { + font-size:8px; +} +/* +Document title and Copyright styles +*/ +.clear { + clear:both; + height:0px; + overflow:hidden; +} +.aboutLanguage { + float:right; + padding:0px 21px; + font-size:11px; + z-index:200; + margin-top:-9px; +} +.legalCopy { + margin-left:.5em; +} +.bar a, .bar a:link, .bar a:visited, .bar a:active { + color:#FFFFFF; + text-decoration:none; +} +.bar a:hover, .bar a:focus { + color:#bb7a2a; +} +.tab { + background-color:#0066FF; + color:#ffffff; + padding:8px; + width:5em; + font-weight:bold; +} +/* +Navigation bar styles +*/ +.bar { + background-color:#4D7A97; + color:#FFFFFF; + padding:.8em .5em .4em .8em; + height:auto;/*height:1.8em;*/ + font-size:11px; + margin:0; +} +.topNav { + background-color:#4D7A97; + color:#FFFFFF; + float:left; + padding:0; + width:100%; + clear:right; + height:2.8em; + padding-top:10px; + overflow:hidden; + font-size:12px; +} +.bottomNav { + margin-top:10px; + background-color:#4D7A97; + color:#FFFFFF; + float:left; + padding:0; + width:100%; + clear:right; + height:2.8em; + padding-top:10px; + overflow:hidden; + font-size:12px; +} +.subNav { + background-color:#dee3e9; + float:left; + width:100%; + overflow:hidden; + font-size:12px; +} +.subNav div { + clear:left; + float:left; + padding:0 0 5px 6px; + text-transform:uppercase; +} +ul.navList, ul.subNavList { + float:left; + margin:0 25px 0 0; + padding:0; +} +ul.navList li{ + list-style:none; + float:left; + padding: 5px 6px; + text-transform:uppercase; +} +ul.subNavList li{ + list-style:none; + float:left; +} +.topNav a:link, .topNav a:active, .topNav a:visited, .bottomNav a:link, .bottomNav a:active, .bottomNav a:visited { + color:#FFFFFF; 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+} +.deprecationComment, .emphasizedPhrase, .interfaceName { + font-style:italic; +} + +div.block div.block span.deprecationComment, div.block div.block span.emphasizedPhrase, +div.block div.block span.interfaceName { + font-style:normal; +} + +div.contentContainer ul.blockList li.blockList h2{ + padding-bottom:0px; +} diff --git a/docs/docs/1.3.2/user-guide.md b/docs/docs/1.3.2/user-guide.md new file mode 100644 index 000000000..b7ed79b7a --- /dev/null +++ b/docs/docs/1.3.2/user-guide.md @@ -0,0 +1,4238 @@ +--- +title: jqwik User Guide - 1.3.2 +--- +

The jqwik User Guide +1.3.2 +

+ + + + +### Table of Contents + +- [How to Use](#how-to-use) + - [Required Version of JUnit Platform](#required-version-of-junit-platform) + - [Gradle](#gradle) + - [Seeing jqwik Reporting in Gradle Output](#seeing-jqwik-reporting-in-gradle-output) + - [Maven](#maven) + - [Snapshot Releases](#snapshot-releases) + - [Project without Build Tool](#project-without-build-tool) +- [Creating a Property](#creating-a-property) + - [Failure Reporting](#failure-reporting) + - [Additional Reporting Options](#additional-reporting-options) + - [Optional `@Property` Parameters](#optional-property-parameters) +- [Creating an Example-based Test](#creating-an-example-based-test) +- [Assertions](#assertions) +- [Lifecycle](#lifecycle) + - [Simple Property Lifecycle](#simple-property-lifecycle) + - [Annotated Lifecycle Methods](#annotated-lifecycle-methods) + - [Single Property Lifecycle](#single-property-lifecycle) +- [Grouping Tests](#grouping-tests) +- [Naming and Labeling Tests](#naming-and-labeling-tests) +- [Tagging Tests](#tagging-tests) +- [Disabling Tests](#disabling-tests) +- [Default Parameter Generation](#default-parameter-generation) + - [Constraining Default Generation](#constraining-default-generation) + - [Allow Null Values](#allow-null-values) + - [Unique Values](#unique-values) + - [String Length](#string-length) + - [Character Sets](#character-sets) + - [List, Set, Stream, Map and Array Size](#list-set-stream-map-and-array-size) + - [Integer Constraints](#integer-constraints) + - [Decimal Constraints](#decimal-constraints) + - [Constraining parameterized types](#constraining-parameterized-types) + - [Providing variable types](#providing-variable-types) +- [Self-Made Annotations](#self-made-annotations) +- [Customized Parameter Generation](#customized-parameter-generation) + - [Parameter Provider Methods](#parameter-provider-methods) + - [Providing Arbitraries for Embedded Types](#providing-arbitraries-for-embedded-types) + - [Static `Arbitraries` methods](#static-arbitraries-methods) + - [Generate values yourself](#generate-values-yourself) + - [Select or generate values randomly](#select-or-generate-values-randomly) + - [Select randomly with Weights](#select-randomly-with-weights) + - [Characters and Strings](#characters-and-strings) + - [java.util.Random](#javautilrandom) + - [Shuffling Permutations](#shuffling-permutations) + - [Default Types](#default-types) + - [Numeric Arbitrary Types](#numeric-arbitrary-types) + - [Integrals](#integrals) + - [Decimals](#decimals) + - [Random Numeric Distribution](#random-numeric-distribution) + - [Collections, Streams, Iterators and Arrays](#collections-streams-iterators-and-arrays) + - [Collecting Values in a List](#collecting-values-in-a-list) + - [Optional](#optional) + - [Tuples of same base type](#tuples-of-same-base-type) + - [Maps](#maps) + - [Functional Types](#functional-types) + - [Fluent Configuration Interfaces](#fluent-configuration-interfaces) + - [Generate `null` values](#generate-null-values) + - [Inject duplicate values](#inject-duplicate-values) + - [Filtering](#filtering) + - [Creating unique values](#creating-unique-values) + - [Mapping](#mapping) + - [Flat Mapping](#flat-mapping) + - [Flat Mapping with Tuple Types](#flat-mapping-with-tuple-types) + - [Randomly Choosing among Arbitraries](#randomly-choosing-among-arbitraries) + - [Combining Arbitraries](#combining-arbitraries) + - [Combining Arbitraries with Builder](#combining-arbitraries-with-builder) + - [Flat Combination](#flat-combination) + - [Ignoring Exceptions During Generation](#ignoring-exceptions-during-generation) + - [Fix an Arbitrary's `genSize`](#fix-an-arbitrarys-gensize) +- [Recursive Arbitraries](#recursive-arbitraries) + - [Probabilistic Recursion](#probabilistic-recursion) + - [Deterministic Recursion](#deterministic-recursion) + - [Deterministic Recursion with `recursive()`](#deterministic-recursion-with-recursive) +- [Using Arbitraries Directly](#using-arbitraries-directly) + - [Generating a Single Value](#generating-a-single-value) + - [Generating a Stream of Values](#generating-a-stream-of-values) + - [Generating all possible values](#generating-all-possible-values) + - [Iterating through all possible values](#iterating-through-all-possible-values) +- [Contract Tests](#contract-tests) +- [Stateful Testing](#stateful-testing) + - [Specify Actions](#specify-actions) + - [Check Postconditions](#check-postconditions) + - [Number of actions](#number-of-actions) + - [Check Invariants](#check-invariants) +- [Assumptions](#assumptions) +- [Result Shrinking](#result-shrinking) + - [Integrated Shrinking](#integrated-shrinking) + - [Switch Shrinking Off](#switch-shrinking-off) + - [Switch Shrinking to Full Mode](#switch-shrinking-to-full-mode) + - [Change the Shrinking Target](#change-the-shrinking-target) +- [Platform Reporting with Reporter Object](#platform-reporting-with-reporter-object) +- [Collecting and Reporting Statistics](#collecting-and-reporting-statistics) + - [Labeled Statistics](#labeled-statistics) + - [Statistics Report Formatting](#statistics-report-formatting) + - [Switch Statistics Reporting Off](#switch-statistics-reporting-off) + - [Histograms](#histograms) + - [Make Your Own Statistics Report Format](#make-your-own-statistics-report-format) + - [Checking Coverage of Collected Statistics](#checking-coverage-of-collected-statistics) + - [Check Percentages and Counts](#check-percentages-and-counts) + - [Check Ad-hoc Query Coverage](#check-ad-hoc-query-coverage) +- [Providing Default Arbitraries](#providing-default-arbitraries) + - [Simple Arbitrary Providers](#simple-arbitrary-providers) + - [Arbitrary Providers for Parameterized Types](#arbitrary-providers-for-parameterized-types) + - [Arbitrary Provider Priority](#arbitrary-provider-priority) +- [Create your own Annotations for Arbitrary Configuration](#create-your-own-annotations-for-arbitrary-configuration) + - [Arbitrary Configuration Example: `@Odd`](#arbitrary-configuration-example-odd) +- [Domain and Domain Context](#domain-and-domain-context) + - [Domain example: American Addresses](#domain-example-american-addresses) +- [Generation from a Type's Interface](#generation-from-a-types-interface) +- [Generation of Edge Cases](#generation-of-edge-cases) + - [Tuning Edge Cases](#tuning-edge-cases) +- [Exhaustive Generation](#exhaustive-generation) +- [Data-Driven Properties](#data-driven-properties) +- [Rerunning Falsified Properties](#rerunning-falsified-properties) +- [jqwik Configuration](#jqwik-configuration) +- [Advanced Topics](#advanced-topics) + - [Implement your own Arbitraries and Generators](#implement-your-own-arbitraries-and-generators) + - [Lifecycle Hooks](#lifecycle-hooks) + - [Principles of Lifecycle Hooks](#principles-of-lifecycle-hooks) + - [Lifecycle Hook Types](#lifecycle-hook-types) + - [Lifecycle Execution Hooks](#lifecycle-execution-hooks) + - [Other Hooks](#other-hooks) + - [Lifecycle Storage](#lifecycle-storage) +- [API Evolution](#api-evolution) +- [Release Notes](#release-notes) + + + +## How to Use + +__jqwik__ is an alternative test engine for the +[JUnit 5 platform](https://junit.org/junit5/docs/current/api/org/junit/platform/engine/TestEngine.html). +That means that you can use it either stand-alone or combine it with any other JUnit 5 engine, e.g. +[Jupiter (the standard engine)](https://junit.org/junit5/docs/current/user-guide/#dependency-metadata-junit-jupiter) or +[Vintage (aka JUnit 4)](https://junit.org/junit5/docs/current/user-guide/#dependency-metadata-junit-vintage). +All you have to do is add all needed engines to your `testCompile` dependencies as shown in the +[gradle file](#gradle) below. + +The latest release of __jqwik__ is deployed to [Maven Central](https://search.maven.org/search?q=g:net.jqwik). + +Snapshot releases can be fetched from https://oss.sonatype.org/content/repositories/snapshots. + +### Required Version of JUnit Platform + +The minimum required version of the JUnit platform is `1.6.2`. + +### Gradle + +Since version 4.6, Gradle has +[built-in support for the JUnit platform](https://docs.gradle.org/current/dsl/org.gradle.api.tasks.testing.Test.html). +Set up is rather simple; here are the relevant parts of a project's `build.gradle` file: + + +``` +repositories { + ... + mavenCentral() + + # For snapshot releases only: + maven { url 'https://oss.sonatype.org/content/repositories/snapshots' } + +} + +ext.junitPlatformVersion = '1.6.2' +ext.junitJupiterVersion = '5.6.2' + +ext.jqwikVersion = '1.3.2' + +compileTestJava { + // To enable argument names in reporting and debugging + options.compilerArgs += '-parameters' +} + +test { + useJUnitPlatform { + includeEngines 'jqwik' + + // Or include several Junit engines if you use them + // includeEngines 'jqwik', 'junit-jupiter', 'junit-vintage' + + // includeTags 'fast', 'medium' + // excludeTags 'slow' + } + + include '**/*Properties.class' + include '**/*Test.class' + include '**/*Tests.class' +} + +dependencies { + ... + + // aggregate jqwik dependency + testImplementation "net.jqwik:jqwik:${jqwikVersion}" + + // Add if you also want to use the Jupiter engine or Assertions from it + testImplementation "org.junit.jupiter:junit-jupiter:5.6.2" + + // Add any other test library you need... + testImplementation "org.assertj:assertj-core:3.12.2" + +} +``` + +With version 1.0.0 `net.jqwik:jqwik` has become an aggregating module to +simplify jqwik integration for standard users. If you want to be more explicit +about the real dependencies you can replace this dependency with + +``` + testImplementation "net.jqwik:jqwik-api:${jqwikVersion}" + testRuntime "net.jqwik:jqwik-engine:${jqwikVersion}" +``` + +In jqwik's samples repository you can find a rather minimal +[starter example for jqwik with Gradle](https://github.com/jlink/jqwik-samples/tree/main/jqwik-starter-gradle). + +See [the Gradle section in JUnit 5's user guide](https://junit.org/junit5/docs/current/user-guide/#running-tests-build-gradle) +for more details on how to configure Gradle for the JUnit 5 platform. +There is also a comprehensive +[list of options for Gradle's `test` task](https://docs.gradle.org/current/userguide/java_plugin.html#sec:java_test). + +#### Seeing jqwik Reporting in Gradle Output + +Since Gradle does not yet support JUnit platform reporting +([see this Github issue](https://github.com/gradle/gradle/issues/4605)) +jqwik has switched to do its own reporting by default. This behaviour +[can be configured](#jqwik-configuration) through parameter `useJunitPlatformReporter` +(default: `false`). + +If you want to see jqwik's reports in the output use Gradle's command line option `--info`: + +``` +> gradle clean test --info +... +mypackage.MyClassProperties > myPropertyMethod STANDARD_OUT + timestamp = 2019-02-28T18:01:14.302, MyClassProperties:myPropertyMethod = + |-----------------------jqwik----------------------- + tries = 1000 | # of calls to property + checks = 1000 | # of not rejected calls + generation = RANDOMIZED | parameters are randomly generated + after-failure = PREVIOUS_SEED | use the previous seed + edge-cases#mode = MIXIN | edge cases are generated first + edge-cases#total = 0 | # of all combined edge cases + edge-cases#tried = 0 | # of edge cases tried in current run + seed = 1685744359484719817 | random seed to reproduce generated values +``` + +### Maven + +Starting with version 2.22.0, Maven Surefire and Maven Failsafe provide native support +for executing tests on the JUnit Platform and thus for running _jqwik_ properties. +The configuration of Maven Surefire is described in +[the Maven section of JUnit 5's user guide](https://junit.org/junit5/docs/current/user-guide/#running-tests-build-maven). + +Additionally you have to add the following dependency to your `pom.xml` file: + +``` + + ... + + net.jqwik + jqwik + 1.3.2 + test + + +``` + +In jqwik's samples repository you can find a rather minimal +[starter example for jqwik with Maven](https://github.com/jlink/jqwik-samples/tree/main/jqwik-starter-maven). + +### Snapshot Releases + +Snapshot releases are available through Sonatype's +[snapshot repositories](#https://oss.sonatype.org/content/repositories/snapshots). + +Adding + +``` +https://oss.sonatype.org/content/repositories/snapshots +``` + +as a maven repository +will allow you to use _jqwik_'s snapshot release which contains all the latest features. + +### Project without Build Tool + +I've never tried it but using jqwik without gradle or some other tool to manage dependencies should also work. +You will have to add _at least_ the following jars to your classpath: + +- `jqwik-1.3.2.jar` +- `junit-platform-engine-1.6.2.jar` +- `junit-platform-commons-1.6.2.jar` +- `opentest4j-1.2.0.jar` + +## Creating a Property + +_Properties_ are the core concept of [property-based testing](/#properties). + +You create a _Property_ by annotating a `public`, `protected` +or package-scoped method with +[`@Property`](/docs/1.3.2/javadoc/net/jqwik/api/Property.html). +In contrast to examples a property method is supposed to have one or +more parameters, all of which must be annotated with +[`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html). + +At test runtime the exact parameter values of the property method +will be filled in by _jqwik_. + +Just like an example test a property method has to +- either return a `boolean` value that signifies success (`true`) + or failure (`false`) of this property. +- or return nothing (`void`). In that case you will probably + use [assertions](#assertions) to check the property's invariant. + +If not [specified differently](#optional-property-parameters), +_jqwik_ __will run 1000 tries__, i.e. a 1000 different sets of +parameter values and execute the property method with each of those parameter sets. +The first failed execution will stop value generation +and be reported as failure - usually followed by an attempt to +[shrink](#result-shrinking) the falsified parameter set. + +[Here](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/PropertyBasedTests.java) +are two properties whose failures might surprise you: + +```java +import net.jqwik.api.*; +import org.assertj.core.api.*; + +class PropertyBasedTests { + + @Property + boolean absoluteValueOfAllNumbersIsPositive(@ForAll int anInteger) { + return Math.abs(anInteger) >= 0; + } + + @Property + void lengthOfConcatenatedStringIsGreaterThanLengthOfEach( + @ForAll String string1, @ForAll String string2 + ) { + String conc = string1 + string2; + Assertions.assertThat(conc.length()).isGreaterThan(string1.length()); + Assertions.assertThat(conc.length()).isGreaterThan(string2.length()); + } +} +``` + +Mind that only parameters that are annotated with '@ForAll' are considered for value generation. +Other kinds of parameters can be injected through the [resolve parameter hook](#resolveparameterhook). + +### Failure Reporting + +If a property fails then jqwik's reporting is more thorough: +- Report the relevant exception, usually a subtype of `AssertionError` +- Report the property's base parameters +- Report both the original failing sample and the shrunk sample. + + **Caveat**: The samples are reported _after their use_ in the property method. + That means that mutable objects that are being changed during a property show + their final state, not the state in which the arbitrary generated them. + +In the case of `lengthOfConcatenatedStringIsGreaterThanLengthOfEach` +from above the report looks like that: + +``` +PropertyBasedTests:lengthOfConcatenatedStringIsGreaterThanLengthOfEach = + java.lang.AssertionError: + Expecting: + <0> + to be greater than: + <0> + |-----------------------jqwik----------------------- +tries = 16 | # of calls to property +checks = 16 | # of not rejected calls +generation = RANDOMIZED | parameters are randomly generated +after-failure = SAMPLE_FIRST | try previously failed sample, then previous seed +edge-cases#mode = MIXIN | edge cases are mixed in +edge-cases#total = 4 | # of all combined edge cases +edge-cases#tried = 0 | # of edge cases tried in current run +seed = -2370223836245802816 | random seed to reproduce generated values + +Sample +------ + string1: "" + string2: "" + +Original Sample +--------------- + string1: "乮��깼뷼檹瀶�������የ뷯����ঘ꼝���焗봢牠" + string2: "" +``` + +The source code names of property method parameters can only be reported when compiler argument +`-parameters` is used. +_jqwik_ goes for structured reporting with collections, arrays and maps. +If you want to provide nice reporting for your own domain classes you can either + +- implement a potentially multiline `toString()` method or +- register an implementation of [`net.jqwik.api.SampleReportingFormat`](/docs/1.3.2/javadoc/net/jqwik/api/SampleReportingFormat.html) + through Java’s `java.util.ServiceLoader` mechanism. + + +### Additional Reporting Options + +You can switch on additional reporting aspects by adding a +[`@Report(Reporting[])` annotation](/docs/1.3.2/javadoc/net/jqwik/api/Property.html) +to a property method. + +The following reporting aspects are available: + +- `Reporting.GENERATED` will report each generated set of parameters. +- `Reporting.FALSIFIED` will report each set of parameters + that is falsified during shrinking. + +Unlike sample reporting these reports will show _the freshly generated parameters_, +i.e. potential changes to mutable objects during property execution cannot be seen here. + +### Optional `@Property` Parameters + +The [`@Property`](/docs/1.3.2/javadoc/net/jqwik/api/Property.html) +annotation has a few optional values: + +- `int tries`: The number of times _jqwik_ tries to generate parameter values for this method. + + The default is `1000` which can be overridden in [`jqwik.properties`](#jqwik-configuration). + +- `String seed`: The _random seed_ to use for generating values. If you do not specify a values + _jqwik_ will use a random _random seed_. The actual seed used is being reported by + each run property. + +- `int maxDiscardRatio`: The maximal number of tried versus actually checked property runs + in case you are using [Assumptions](#assumptions). If the ratio is exceeded _jqwik_ will + report this property as a failure. + + The default is `5` which can be overridden in [`jqwik.properties`](#jqwik-configuration). + +- `ShrinkingMode shrinking`: You can influence the way [shrinking](#result-shrinking) is done + - `ShrinkingMode.OFF`: No shrinking at all + - `ShrinkingMode.FULL`: Shrinking continues until no smaller value can + be found that also falsifies the property. + This might take very long or not end at all in rare cases. + - `ShrinkingMode.BOUNDED`: Shrinking is tried to a depth of 1000 steps + maximum per value. This is the default. + + Most of the time you want to stick with the default. Only if + bounded shrinking is reported - look at a falsified property's output! - + should you try with `ShrinkingMode.FULL`. + +- `GenerationMode generation`: You can direct _jqwik_ about the principal approach + it takes towards value generation. + + - `GenerationMode.AUTO` is the default. This will choose [exhaustive generation](#exhaustive-generation) + whenever this is deemed sensible, i.e., when the maximum number of generated values is + equal or less thant the configured `tries` attribute. + - `GenerationMode.RANDOMIZED` directs _jqwik_ to always generate values using its + randomized generators. + - `GenerationMode.EXHAUSTIVE` directs _jqwik_ to use [exhaustive generation](#exhaustive-generation) + if the arbitraries in use support exhaustive generation at all and if the calculated + maximum number of different values to generate is below `Integer.MAX_VALUE`. + - `GenerationMode.DATA_DRIVEN` directs _jqwik_ to feed values from a data provider + specified with `@FromData`. See [data-driven properties](#data-driven-properties) + for more information. + +- `AfterFailureMode afterFailure`: Determines how jqwik will generate values of a property + that has failed in the previous run. + + - `AfterFailureMode.PREVIOUS_SEED` is the default. jqwik will use the same seed and thereby generate + the same sequence of parameters as in the previous, failing run. + - `AfterFailureMode.SAMPLE_ONLY` means that jqwik will only use the last shrunk example of parameters. + This requires that all parameters can be serialized. + - `AfterFailureMode.SAMPLE_FIRST` means that jqwik will use the last shrunk example of parameters first + and then, if successful, go for a new randomly generated set of parameters. + - `AfterFailureMode.RANDOM_SEED` makes jqwik use a new random seed even directly after a failure. + This might lead to a "flaky" property that sometimes fails and sometimes succeeds. + +- `EdgeCasesMode edgeCases`: Determines if and when jqwik will generate + the permutation of [edge cases](#generation-of-edge-cases). + + - `EdgeCasesMode.MIXIN` is the default. Edge cases will be mixed with randomly generated parameter sets + until all known permutations have been mixed in. + - `EdgeCasesMode.FIRST` results in all edge cases being generated before jqwik starts with randomly + generated samples. + - `EdgeCasesMode.NONE` will not generate edge cases for the full parameter set at all. However, + edge cases for individual parameters are still being mixed into the set from time to time. + +The effective values for tries, seed, after-failure mode, generation mode edge-cases mode +and edge cases numbers are reported after each run property: + +``` +tries = 10 +checks = 10 +generation = EXHAUSTIVE +after-failure = PREVIOUS_SEED +edge-cases#mode = MIXIN +edge-cases#total = 2 +edge-cases#tried = 2 +seed = 42859154278924201 +``` + +## Creating an Example-based Test + +_jqwik_ also supports example-based testing. +In order to write an example test annotate a `public`, `protected` or package-scoped method with +[`@Example`](/docs/1.3.2/javadoc/net/jqwik/api/Example.html). +Example-based tests work just like plain JUnit-style test cases. + +A test case method must +- either return a `boolean` value that signifies success (`true`) + or failure (`false`) of this test case. +- or return nothing (`void`) in which case you will probably + use [assertions](#assertions) in order to verify the test condition. + +[Here](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/ExampleBasedTests.java) +is a test class with two example-based tests: + +```java +import static org.assertj.core.api.Assertions.*; + +import net.jqwik.api.*; +import org.assertj.core.data.*; + +class ExampleBasedTests { + + @Example + void squareRootOf16is4() { + assertThat(Math.sqrt(16)).isCloseTo(4.0, Offset.offset(0.01)); + } + + @Example + boolean add1plu3is4() { + return (1 + 3) == 4; + } +} +``` + +Internally _jqwik_ treats examples as properties with the number of tries hardcoded to `1`. +Thus, everything that works for property methods also works for example methods -- +including random generation of parameters annotated with `@ForAll`. + +## Assertions + +__jqwik__ does not come with any assertions, so you have to use one of the +third-party assertion libraries, e.g. [Hamcrest](http://hamcrest.org/) or +[AssertJ](http://joel-costigliola.github.io/assertj/). + +If you have Jupiter in your test dependencies anyway, you can also use the +static methods in `org.junit.jupiter.api.Assertions`. + +## Lifecycle + +To understand the lifecycle it is important to know that _the tree of test elements_ +consists of two main types of elements: + +- __Containers__: The root engine container, container classes + and embedded container classes (those annotated with `@Group`) +- __Properties__: Methods annotated with + [`@Property`](/docs/1.3.2/javadoc/net/jqwik/api/Property.html) or + [`@Example`](/docs/1.3.2/javadoc/net/jqwik/api/Example.html). + An _example_ is just a property with a single _try_ (see below). + +So a typical tree might look like: + +``` +Jqwik Engine + class MyFooTests + @Property fooProperty1() + @Property fooProperty2() + @Example fooExample() + class MyBarTests + @Property barProperty() + @Group class Group1 + @Property group1Property() + @Group class Group2 + @Example group2Example() +``` + +Mind that packages do not show up as in-between containers! + +When running your whole test suite there are additional things happening: + +- For each property or example a new instance of the containing class + will be created. +- Each property will have 1 to n _tries_. Usually each try gets its own + set of generated arguments which are bound to parameters annotated + with `@ForAll`. + +_jqwik_ gives you more than one way to hook into the lifecycle of containers, +properties and tries. + +### Simple Property Lifecycle + +If you need nothing but some initialization and cleanup of the container instance +per property or example: + +- Do the initialization work in a constructor without parameters. +- If you have cleanup work to do for each property method, + the container class can implement `java.lang.AutoCloseable`. + The `close`-Method will be called after each test method execution. + +```java +import net.jqwik.api.*; + +class SimpleLifecycleTests implements AutoCloseable { + + SimpleLifecycleTests() { + System.out.println("Before each"); + } + + @Example void anExample() { + System.out.println("anExample"); + } + + @Property(tries = 5) + void aProperty(@ForAll String aString) { + System.out.println("aProperty: " + aString); + } + + @Override + public void close() throws Exception { + System.out.println("After each"); + } +} +``` + +In this example both the constructor and `close()` will be called twice times: +Once for `anExample()` and once for `aProperty(...)`. However, all five calls +to `aProperty(..)` will share the same instance of `SimpleLifecycleTests`. + +### Annotated Lifecycle Methods + +The other way to influence all elements of a test run is through annotated lifecycle +methods, which you might already know from JUnit 4 and 5. _jqwik_ currently has +eight annotations: + +- [`@BeforeContainer`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeContainer.html): + _Static_ methods with this annotation will run exactly once before any property + of a container class will be executed, even before the first instance of this class will be created. +- [`@AfterContainer`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterContainer.html): + _Static_ methods with this annotation will run exactly once after all properties + of a container class have run. +- [`@BeforeProperty`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeProperty.html): + Methods with this annotation will run once before each property or example. + `@BeforeExample` is an alias with the same functionality. +- [`@AfterProperty`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterProperty.html): + Methods with this annotation will run once after each property or example. + `@AfterExample` is an alias with the same functionality. +- [`@BeforeTry`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeTry.html): + Methods with this annotation will run once before each try, i.e. execution + of a property or example method. +- [`@AfterTry`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterTry.html): + Methods with this annotation will run once after each try, i.e. execution + of a property or example method. + +Given the following container class: + +```java +class FullLifecycleExamples { + + @BeforeContainer + static void beforeContainer() { + System.out.println("before container"); + } + + @AfterContainer + static void afterContainer() { + System.out.println("after container"); + } + + @BeforeProperty + void beforeProperty() { + System.out.println("before property"); + } + + @AfterProperty + void afterProperty() { + System.out.println("after property"); + } + + @BeforeTry + void beforeTry() { + System.out.println("before try"); + } + + @AfterTry + void afterTry() { + System.out.println("after try"); + } + + @Property(tries = 3) + void property(@ForAll @IntRange(min = -5, max = 5) int anInt) { + System.out.println("property: " + anInt); + } +} +``` + +Running this test container should produce something like the following output +(maybe with your test report in-between): + +``` +before container + +before property +before try +property: 3 +after try +before try +property: 1 +after try +before try +property: 4 +after try +after property + +after container +``` + +All those lifecycle methods are being run through _jqwik_'s mechanism for +writing [_lifecycle hooks_](#lifecycle-hooks) under the hood. + + +### Single Property Lifecycle + +All [lifecycle methods](#annotated-lifecycle-methods) described in the previous section +apply to all property methods of a container class. +In rare cases, however, you may feel the need to hook into the lifecycle of a single property, +for example when you expect a property to fail. + +Here is one example that checks that a property will fail with an `AssertionError` +and succeed in that case: + +```java +@Property +@PerProperty(SucceedIfThrowsAssertionError.class) +void expectToFail(@ForAll int aNumber) { + Assertions.assertThat(aNumber).isNotEqualTo(1); +} + +private class SucceedIfThrowsAssertionError implements PerProperty.Lifecycle { + @Override + public PropertyExecutionResult onFailure(PropertyExecutionResult propertyExecutionResult) { + if (propertyExecutionResult.throwable().isPresent() && + propertyExecutionResult.throwable().get() instanceof AssertionError) { + return propertyExecutionResult.mapToSuccessful(); + } + return propertyExecutionResult; + } +} +``` + +Have a look at [`PerProperty.Lifecycle`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/PerProperty.Lifecycle.html) +to find out which aspects of a property's lifecycle you can control. + + +## Grouping Tests + +Within a containing test class you can group other containers by embedding +another non-static and non-private inner class and annotating it with `@Group`. +Grouping examples and properties is a means to improve the organization and +maintainability of your tests. + +Groups can be nested and there lifecycle is also nested, that means that +the lifecycle of a test class is also applied to inner groups of that container. +Have a look at [this example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/TestsWithGroups.java): + +```java +import net.jqwik.api.*; + +class TestsWithGroups { + + @Property + void outer(@ForAll String aString) { + } + + @Group + class Group1 { + @Property + void group1Property(@ForAll String aString) { + } + + @Group + class Subgroup { + @Property + void subgroupProperty(@ForAll String aString) { + } + } + } + + @Group + class Group2 { + @Property + void group2Property(@ForAll String aString) { + } + } +} +``` + +## Naming and Labeling Tests + +Using Java-style camel case naming for your test container classes and property methods +will sometimes lead to hard to read display names in your test reports +and your IDE. +Therefore, _jqwik_ provides a simple way to insert spaces +into the displayed name of your test container or property: +just add underscores (`_`), which are valid Java identifier characters. +Each underscore will be replaced by a space for display purposes. + +If you want to tweak display names even more, +test container classes, groups, example methods and property methods can be labeled +using the annotation `@Label("a label")`. This label will be used to display the element +in test reports or within the IDE. +[In the following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/NamingExamples.java), +every test relevant element has been labeled: + +```java +@Label("Naming") +class NamingExamples { + + @Property + @Label("a property") + void aPropertyWithALabel() { } + + @Group + @Label("A Group") + class GroupWithLabel { + @Example + @Label("an example with äöüÄÖÜ") + void anExampleWithALabel() { } + } + + @Group + class Group_with_spaces { + @Example + void example_with_spaces() { } + } + +} +``` + +Labels can consist of any characters and don't have to be unique - but you probably want them +to be unique within their container. + +## Tagging Tests + +Test container classes, groups, example methods and property methods can be tagged +using the annotation `@Tag("a-tag")`. You can have many tags on the same element. + +Those tag can be used to filter the set of tests +[run by the IDE](https://blog.jetbrains.com/idea/2018/01/intellij-idea-starts-2018-1-early-access-program/) or +[the build tool](https://docs.gradle.org/4.6/release-notes.html#junit-5-support). +Tags are handed down from container (class or group) to its children (test methods or groups). + +Have a look at +[the following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/TaggingExamples.java). +Including the tag `integration-test` will include +all tests of the class. + +```java +@Tag("integration-test") +class TaggingExamples { + + @Property + @Tag("fast") + void aFastProperty() { } + + @Example + @Tag("slow") @Tag("involved") + void aSlowTest() { } +} +``` + +Tags must follow certain rules as described +[here](/docs/1.3.2/javadoc/net/jqwik/api/Tag.html) + +## Disabling Tests + +From time to time you might want to disable a test or all tests in a container +temporarily. You can do that by adding the +[`@Disabled`](/docs/1.3.2/javadoc/net/jqwik/api/Disabled.html) annotation +to a property method or a container class. + +```java +import net.jqwik.api.Disabled; + +@Disabled("for whatever reason") +class DisablingExamples { + + @Property + @Disabled + void aDisabledProperty() { } + +} +``` + +Disabled properties will be reported by IDEs and build tools as "skipped" +together with the reason - if one has been provided. + +Be careful not to use the Jupiter annotation with the same name. +_Jqwik_ will refuse to execute methods that have Jupiter annotations. + + +## Default Parameter Generation + +_jqwik_ tries to generate values for those property method parameters that are +annotated with [`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html). If the annotation does not have a `value` parameter, +jqwik will use default generation for the following types: + +- `Object` +- `String` +- Integral types `Byte`, `byte`, `Short`, `short` `Integer`, `int`, `Long`, `long` and `BigInteger` +- Floating types `Float`, `float`, `Double`, `double` and `BigDecimal` +- `Boolean` and `boolean` +- `Character` and `char` +- All `enum` types +- Collection types `List`, `Set` and `Stream` + as long as `T` can also be provided by default generation. +- `Iterable` and `Iterator` of types that are provided by default. +- `Optional` of types that are provided by default. +- Array `T[]` of types that are provided by default. +- `Map` as long as `K` and `V` can also be provided by default generation. +- `HashMap` as long as `K` and `V` can also be provided by default generation. +- `Map.Entry` as long as `K` and `V` can also be provided by default generation. +- `java.util.Random` +- [Functional Types](#functional-types) + +If you use [`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html) +with a value, e.g. `@ForAll("aMethodName")`, the method +referenced by `"aMethodName"` will be called to provide an Arbitrary of the +required type (see [Parameter Provider Methods](#parameter-provider-methods)). + +### Constraining Default Generation + +Default parameter generation can be influenced and constrained by additional annotations, +depending on the requested parameter type. + +#### Allow Null Values + +- [`@WithNull(double value = 0.1)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/WithNull.html): + Inject `null` into generated values with a probability of `value`. + + Works for all generated types. + +#### Unique Values + +- [`@Unique`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Unique.html): + Prevent duplicate values to be generated _per try_. That means that + there can still be duplicate values across several tries. That also means + that `@Unique` only makes sense as annotation for a parameter type, e.g.: + + ```java + @Property + void uniqueInList(@ForAll @Size(5) List<@IntRange(min = 0, max = 10) @Unique Integer> aList) { + Assertions.assertThat(aList).doesNotHaveDuplicates(); + Assertions.assertThat(aList).allMatch(anInt -> anInt >= 0 && anInt <= 10); + } + ``` + + Trying to generate a list with more than 11 elements would not work here. + + Works for all generated types. + +#### String Length + +- [`@StringLength(int value = 0, int min = 0, int max = 0)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/StringLength.html): + Set either fixed length through `value` or configure the length range between `min` and `max`. + +- [`@NotEmpty`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/NotEmpty.html): + Set minimum length to `1`. + +#### Character Sets + +When generating chars any unicode character might be generated. + +When generating Strings, however, +Unicode "noncharacters" and "private use characters" +will not be generated unless you explicitly include them using +`@Chars` or `@CharRange` (see below). + +You can use the following annotations to restrict the set of allowed characters and even +combine several of them: + +- [`@Chars(chars[] value = {})`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Chars.html): + Specify a set of characters. + This annotation can be repeated which will add up all allowed chars. +- [`@CharRange(char from = 0, char to = 0)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/CharRange.html): + Specify a start and end character. + This annotation can be repeated which will add up all allowed chars. +- [`@NumericChars`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/NumericChars.html): + Use digits `0` through `9` +- [`@LowerChars`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/LowerChars.html): + Use lower case chars `a` through `z` +- [`@UpperChars`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/UpperChars.html): + Use upper case chars `A` through `Z` +- [`@AlphaChars`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/AlphaChars.html): + Lower and upper case chars are allowed. +- [`@Whitespace`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Whitespace.html): + All whitespace characters are allowed. + +They work for generated `String`s and `Character`s. + +#### List, Set, Stream, Map and Array Size + +- [`@Size(int value = 0, int min = 0, int max = 0)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Size.html): + Set either fixed size through `value` or configure the size range between `min` and `max`. + +- [`@NotEmpty`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/NotEmpty.html): + Set minimum size to `1`. + + +#### Integer Constraints + +- [`@ByteRange(byte min = 0, byte max = Byte.MAX_VALUE)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/ByteRange.html): + For `Byte` and `byte` only. +- [`@ShortRange(short min = 0, short max = Short.MAX_VALUE)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/ShortRange.html): + For `Short` and `short` only. +- [`@IntRange(int min = 0, int max = Integer.MAX_VALUE)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/IntRange.html): + For `Integer` and `int` only. +- [`@LongRange(long min = 0L, long max = Long.MAX_VALUE)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/LongRange.html): + For `Long` and `long` only. +- [`@BigRange(String min = "", String max = "")`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/BigRange.html): + For `BigInteger` generation. +- [`@Positive`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Positive.html): + Numbers larger than `0`. For all integral types. +- [`@Negative`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Negative.html): + Numbers lower than `0`. For all integral types. + + +#### Decimal Constraints + +- [`@FloatRange(float min = 0.0f, minIncluded = true, float max = Float.MAX_VALUE, maxIncluded = true)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/FloatRange.html): + For `Float` and `float` only. +- [`@DoubleRange(double min = 0.0, minIncluded = true, double max = Double.MAX_VALUE, boolean maxIncluded = true)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/DoubleRange.html): + For `Double` and `double` only. +- [`@BigRange(String min = "", minIncluded = true, String max = "", maxIncluded = true)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/BigRange.html): + For `BigDecimal` generation. +- [`@Scale(int value)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Scale.html): + Specify the maximum number of decimal places. For all decimal types. +- [`@Positive`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Positive.html): + Numbers larger than `0.0`. For all decimal types. +- [`@Negative`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Negative.html): + Numbers lower than `0.0`. For all decimal types. + +### Constraining parameterized types + +When you want to constrain the generation of contained parameter types you can annotate +the parameter type directly, e.g.: + +```java +@Property +void aProperty(@ForAll @Size(min= 1) List<@StringLength(max=10) String> listOfStrings) { +} +``` +will generate lists with a minimum size of 1 filled with Strings that have 10 characters max. + +### Providing variable types + +While checking properties of generically typed classes or functions, you often don't care +about the exact type of variables and therefore want to express them with type variables. +_jqwik_ can also handle type variables and wildcard types. The handling of upper and lower +bounds works mostly as you would expect it. + +Consider +[the following examples](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/VariableTypedPropertyExamples.java): + +```java +class VariableTypedPropertyExamples { + + @Property + boolean unboundedGenericTypesAreResolved(@ForAll List items, @ForAll T newItem) { + items.add(newItem); + return items.contains(newItem); + } + + @Property + void someBoundedGenericTypesCanBeResolved(@ForAll List items, @ForAll T newItem) { + } + + @Property + void someWildcardTypesWithUpperBoundsCanBeResolved(@ForAll List items) { + } + +} +``` + +In the case of unbounded type variables or an unbounded wildcard type, _jqwik_ +will create instanced of a special class (`WildcardObject`) under the hood. + +In the case of bounded type variables and bounded wildcard types, _jqwik_ +will check if any [registered arbitrary provider](#providing-default-arbitraries) +can provide suitable arbitraries and choose randomly between those. + +There is, however, a potentially unexpected behaviour, +when the same type variable is used in more than one place and can be +resolved by more than one arbitrary. In this case it can happen that the variable +does not represent the same type in all places. You can see this above +in property method `someBoundedGenericTypesCanBeResolved()` where `items` +might be a list of Strings but `newItem` of some number type - and all that +_in the same call to the method_! + +## Self-Made Annotations + +You can [make your own annotations](http://junit.org/junit5/docs/5.0.0/user-guide/#writing-tests-meta-annotations) +instead of using _jqwik_'s built-in ones. BTW, '@Example' is nothing but a plain annotation using [`@Property`](/docs/1.3.2/javadoc/net/jqwik/api/Property.html) +as "meta"-annotation. + +The following example provides an annotation to constrain String or Character generation to German letters only: + +```java +@Target({ ElementType.ANNOTATION_TYPE, ElementType.PARAMETER }) +@Retention(RetentionPolicy.RUNTIME) +@NumericChars +@AlphaChars +@Chars({'ä', 'ö', 'ü', 'Ä', 'Ö', 'Ü', 'ß'}) +@Chars({' ', '.', ',', ';', '?', '!'}) +@StringLength(min = 10, max = 100) +public @interface GermanText { } + +@Property(tries = 10) @Reporting(Reporting.GENERATED) +void aGermanText(@ForAll @GermanText String aText) {} +``` + +The drawback of self-made annotations is that they do not forward their parameters to meta-annotations, +which constrains their applicability to simple cases. + + +## Customized Parameter Generation + +Sometimes the possibilities of adjusting default parameter generation +through annotations is not enough. You want to control the creation +of values programmatically. The means to do that are _provider methods_. + +### Parameter Provider Methods + +Look at the +[following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/ProvideMethodExamples.java): + +```java +@Property +boolean concatenatingStringWithInt( + @ForAll("shortStrings") String aShortString, + @ForAll("10 to 99") int aNumber +) { + String concatenated = aShortString + aNumber; + return concatenated.length() > 2 && concatenated.length() < 11; +} + +@Provide +Arbitrary shortStrings() { + return Arbitraries.strings().withCharRange('a', 'z') + .ofMinLength(1).ofMaxLength(8); +} + +@Provide("10 to 99") +Arbitrary numbers() { + return Arbitraries.integers().between(10, 99); +} +``` + +The String value of the [`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html) +annotation serves as a reference to a +method within the same class (or one of its superclasses or owning classes). +This reference refers to either the method's name or the String value +of the method's `@Provide` annotation. + +The providing method has to return an object of type +[`@Arbitrary`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html) +where `T` is the static type of the parameter to be provided. Optionally +the provider method can take tow optional parameters: + +- a first parameter of type `TypeUsage` that describes the details of the target parameter to be provided +- a second parameter of type `ArbitraryProvider.SubtypeProvider` + +These two objects can be used to get detailed information about the parameter, +like annotations and embedded type parameters, and to resolve other types, +usually from type parameters embedded in the original parameter. Use with care! + +Parameter provision usually starts with a +[static method call to `Arbitraries`](#static-arbitraries-methods), maybe followed +by one or more [filtering](#filtering), [mapping](#mapping) or +[combining](#combining-arbitraries) actions. + + +### Providing Arbitraries for Embedded Types + +There is an alternative syntax to `@ForAll("methodRef")` using a `From` annotation: + +```java +@Property +boolean concatenatingStringWithInt( + @ForAll @From("shortStrings") String aShortString, + @ForAll @From("10 to 99") int aNumber +) { ... } +``` + +Why this redundancy? Well, `@From` becomes a necessity when you want to provide +the arbitrary of an embedded type parameter. Consider this example: + +```java +@Property +boolean joiningListOfStrings(@ForAll List<@From("shortStrings") String> listOfStrings) { + String concatenated = String.join("", listOfStrings); + return concatenated.length() <= 8 * listOfStrings.size(); +} +``` + +Here, the list is created using the default list arbitrary, but the +String elements are generated using the arbitrary from the method `shortStrings`. + +### Static `Arbitraries` methods + +The starting point for generation usually is a static method call on class +[`Arbitraries`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html). + +#### Generate values yourself + +- [`Arbitrary randomValue(Function generator)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#randomValue-java.util.function.Function-): + Take a `random` instance and create an object from it. + Those values cannot be [shrunk](#result-shrinking), though. + + Generating prime numbers might look like that: + ```java + @Provide + Arbitrary primesGenerated() { + return Arbitraries.randomValue(random -> generatePrime(random)); + } + + private Integer generatePrime(Random random) { + int candidate; + do { + candidate = random.nextInt(10000) + 2; + } while (!isPrime(candidate)); + return candidate; + } + ``` + +- [`Arbitrary fromGenerator(RandomGenerator generator)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#fromGenerator-net.jqwik.api.RandomGenerator-): + If the number of _tries_ influences value generation or if you want + to allow for [shrinking](#result-shrinking) you have to provide + your own `RandomGenerator` implementation. + +#### Select or generate values randomly + +- [`Arbitrary of(U... values)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#of-U...-): + Choose randomly from a list of values. Shrink towards the first one. + +- [`Arbitrary ofSuppliers(Supplier... valueSuppliers)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#ofSuppliers-java.util.function.Supplier...-): + Choose randomly from a list of value suppliers and get the object from this supplier. + This is useful when dealing with mutable objects where `Arbitrary.of(..)` would reuse a potentially changed object. + +- [`Arbitrary just(T constantValue)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#just-T-): + Always provide the same constant value in each try. Mostly useful to combine with other arbitraries. + +- [`Arbitrary of(Class enumClass)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#of-java.lang.Class-): + Choose randomly from all values of an `enum`. Shrink towards first enum value. + +- [`Arbitrary create(Supplier supplier)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#create-java.util.function.Supplier-): + In each try use a new unshrinkable instance of type `T` using `supplier` to freshly create it. + This is useful when dealing with mutable objects where `Arbitrary.just()` may reuse a changed object. + +#### Select randomly with Weights + +If you have a set of values to choose from with weighted probabilities, use ` +[`Arbitraries.frequency(...)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#frequency-net.jqwik.api.Tuple.Tuple2...-): + +```java +@Property +void abcdWithFrequencies(@ForAll("abcdWeighted") String aString) { + Statistics.collect(aString); +} + +@Provide +Arbitrary abcdWeighted() { + return Arbitraries.frequency( + Tuple.of(1, "a"), + Tuple.of(5, "b"), + Tuple.of(10, "c"), + Tuple.of(20, "d") + ); +} +``` + +The first value of the tuple specifies the frequency of a particular value in relation to the +sum of all frequencies. In +[the given example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/ChoosingExamples.java#L17) +the sum is 36, thus `"a"` will be generated with a probability of `1/36` +whereas `"d"` has a generation probability of `20/36` (= `5/9`). + +Shrinking moves towards the start of the frequency list. + +#### Characters and Strings + +- [`StringArbitrary strings()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#strings--) +- [`CharacterArbitrary chars()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#chars--) + +#### java.util.Random + +- [`Arbitrary randoms()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#randoms--): + Random instances will never be shrunk + +#### Shuffling Permutations + +- [`Arbitrary> shuffle(T ... values)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#shuffle-T...-): + Return unshrinkable permutations of the `values` handed in. + +- [`Arbitrary> shuffle(List values)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#shuffle-java.util.List-): + Return unshrinkable permutations of the `values` handed in. + +#### Default Types + +- [`Arbitrary defaultFor(Class type, Class ... parameterTypes)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#defaultFor-java.lang.Class-java.lang.Class...-): + Return the default arbitrary available for type `type` [if one is provided](#providing-default-arbitraries) + by default. For parameterized types you can also specify the parameter types. + + Keep in mind, though, that the parameter types are lost in the type signature and therefore + cannot be used in the respective [`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html) property method parameter. Raw types and wildcards, + however, match; thus the following example will work: + + ```java + @Property + boolean listWithWildcard(@ForAll("stringLists") List stringList) { + return stringList.isEmpty() || stringList.get(0) instanceof String; + } + + @Provide + Arbitrary stringLists() { + return Arbitraries.defaultFor(List.class, String.class); + } + ``` + +### Numeric Arbitrary Types + +Creating an arbitrary for numeric values also starts by calling a static method +on class `Arbitraries`. There are two fundamental types of numbers: _integral_ numbers +and _decimal_ numbers. _jqwik_ supports all of Java's built-in number types. + +Each type has its own [fluent interface](https://en.wikipedia.org/wiki/Fluent_interface) +but all numeric arbitrary types share some things: + +- You can constrain their minimum and maximum values using `between(min, max)`, + `greaterOrEqual(min)` and `lessOrEqual(max)`. +- You can determine the _target value_ through `shrinkTowards(target)`. + This value is supposed to be the "center" of all possible values used for shrinking + and as a mean for [random distributions](random-numeric-distribution). + +#### Integrals + +- [`ByteArbitrary bytes()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#bytes--) +- [`ShortArbitrary shorts()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#shorts--) +- [`IntegerArbitrary integers()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#integers--) +- [`LongArbitrary longs()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#longs--) +- [`BigIntegerArbitrary bigIntegers()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#bigIntegers--) + +#### Decimals + +- [`FloatArbitrary floats()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#floats--) +- [`DoubleArbitrary doubles()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#doubles--) +- [`BigDecimalArbitrary bigDecimals()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#bigDecimals--) + +Decimal arbitrary types come with a few additional capabilities: + +- You can include or exclude the borders using `between(min, minIncluded, max, maxIncluded)`, + `greaterThan(minExcluded)` and `lessThan(maxExclude)`. +- You can set the _scale_, i.e. number of significant decimal places with `ofScale(scale)`. + The default scale is `2`. + +#### Random Numeric Distribution + +With release `1.3.0` jqwik provides you with a means to influence the probability distribution +of randomly generated numbers. The way to do that is by calling +[`withDistribution(distribution)`](https://jqwik.net/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/NumericalArbitrary.html#withDistribution-net.jqwik.api.RandomDistribution-). +Currently three different distributions are supported: + +- [`RandomDistribution.biased()`](https://jqwik.net/docs/1.3.2/javadoc/net/jqwik/api/RandomDistribution.html#biased--): + This is the default. + It generates values closer to the center of a numerical range with a higher probability. + The bigger the range the stronger the bias. + +- [`RandomDistribution.uniform()`](https://jqwik.net/docs/1.3.2/javadoc/net/jqwik/api/RandomDistribution.html#uniform--): + This distribution will generate values across the allowed range + with a uniform probability distribution. + +- [`RandomDistribution.gaussian(borderSigma)`](https://jqwik.net/docs/1.3.2/javadoc/net/jqwik/api/RandomDistribution.html#gaussian-double-): + A (potentially asymmetric) gaussian distribution -- + aka "normal distribution" -- the mean of which is the specified center + and the probability at the borders is `borderSigma` times _standard deviation_. + Gaussian generation is approximately 10 times slower than biased or uniform generation. + +- [`RandomDistribution.gaussian()`](https://jqwik.net/docs/1.3.2/javadoc/net/jqwik/api/RandomDistribution.html#gaussian--): + A gaussian distribution with `borderSigma` of 3, i.e. approximately 99.7% of values are within the borders. + +The specified distribution does not influence the generation of [edge cases](#generation-of-edge-cases). + +The following example generates numbers between 0 and 20 using a gaussian probability distribution +with its mean at 10 and a standard deviation of about 3.3: + +```java +@Property(generation = GenerationMode.RANDOMIZED) +@StatisticsReport(format = Histogram.class) +void gaussianDistributedIntegers(@ForAll("gaussians") int aNumber) { + Statistics.collect(aNumber); +} + +@Provide +Arbitrary gaussians() { + return Arbitraries + .integers() + .between(0, 20) + .shrinkTowards(10) + .withDistribution(RandomDistribution.gaussian()); +} +``` + +Look at the statistics to see if it fits your expectation: +``` +[RandomDistributionExamples:gaussianDistributedIntegers] (1000) statistics = + # | label | count | + -----|-------|-------|--------------------------------------------------------------------------------- + 0 | 0 | 15 | ■■■■■ + 1 | 1 | 8 | ■■ + 2 | 2 | 12 | ■■■■ + 3 | 3 | 9 | ■■■ + 4 | 4 | 14 | ■■■■ + 5 | 5 | 28 | ■■■■■■■■■ + 6 | 6 | 38 | ■■■■■■■■■■■■■ + 7 | 7 | 67 | ■■■■■■■■■■■■■■■■■■■■■■■ + 8 | 8 | 77 | ■■■■■■■■■■■■■■■■■■■■■■■■■■ + 9 | 9 | 116 | ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ + 10 | 10 | 231 | ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ + 11 | 11 | 101 | ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ + 12 | 12 | 91 | ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ + 13 | 13 | 60 | ■■■■■■■■■■■■■■■■■■■■ + 14 | 14 | 45 | ■■■■■■■■■■■■■■■ + 15 | 15 | 36 | ■■■■■■■■■■■■ + 16 | 16 | 19 | ■■■■■■ + 17 | 17 | 10 | ■■■ + 18 | 18 | 7 | ■■ + 19 | 19 | 1 | + 20 | 20 | 15 | ■■■■■ +``` + +You can notice that values `0` and `20` should have the lowest probability but they do not. +This is because they will be generated a few times as edge cases. + +### Collections, Streams, Iterators and Arrays + +Arbitraries for multi value types require to start with an `Arbitrary` instance for the element type. +You can then create the corresponding multi value arbitrary from there: + +- [`ListArbitrary Arbitrary.list()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#list--) +- [`SetArbitrary Arbitrary.set()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#set--) +- [`StreamArbitrary Arbitrary.streamOf()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#stream--) +- [`IteratorArbitrary Arbitrary.iterator()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#iterator--) +- [`StreamableArbitrary Arbitrary.array(Class arrayClass)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#array-java.lang.Class-) + +### Collecting Values in a List + +If you do not want any random combination of values in your list - as +can be done with `Arbitrary.list()` - you have the possibility to collect random values +in a list until a certain condition is fulfilled. +[`Arbitrary.collect(Predicate condition)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#collect-java.util.function.Predicate-) +is what you need in those cases. + +Imagine you need a list of integers the sum of which should be at least `1000`. +Here's how you could do that: + +```java +Arbitrary integers = Arbitraries.integers().between(1, 100); +Arbitrary> collected = integers.collect(list -> sum(list) >= 1000); +``` + +### Optional + +Using [`Arbitrary.optional()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#optional--) +allows to generate an optional of any type. +`Optional.empty()` values are injected with a probability of `0.05`, i.e. 1 in 20. + +### Tuples of same base type + +If you want to generate tuples of the same base types that also use the same generator, that's how you can do it: + +```java +Arbitrary integerPair = Arbitrary.integers().between(1, 25).tuple2(); +``` + +There's a method for tuples of length 1 to 4: + +- [`Arbitrary.tuple1()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#tuple1--) +- [`Arbitrary.tuple2()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#tuple2--) +- [`Arbitrary.tuple3()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#tuple3--) +- [`Arbitrary.tuple4()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#tuple4--) + +### Maps + +Generating instances of type `Map` is a bit different since two arbitraries +are needed, one for the key and one for the value. Therefore you have to use +[`Arbitraries.maps(...)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#maps-net.jqwik.api.Arbitrary-net.jqwik.api.Arbitrary-) like this: + +```java +@Property +void mapsFromNumberToString(@ForAll("numberMaps") Map map) { + Assertions.assertThat(map.keySet()).allMatch(key -> key >= 0 && key <= 1000); + Assertions.assertThat(map.values()).allMatch(value -> value.length() == 5); +} + +@Provide +Arbitrary> numberMaps() { + Arbitrary keys = Arbitraries.integers().between(1, 100); + Arbitrary values = Arbitraries.strings().alpha().ofLength(5); + return Arbitraries.maps(keys, values); +} +``` + +For generating individual `Map.Entry` instances there is +[`Arbitraries.entries(...)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#maps-net.jqwik.api.Arbitrary-net.jqwik.api.Arbitrary-). + + +### Functional Types + +Interfaces that have a single (non default) method are considered to be +_Functional types_; they are sometimes called _SAM_ types for "single abstract method". +If a functional type is used as a `@ForAll`-parameter _jqwik_ will automatically +generate instances of those functions. The generated functions have the following +characteristics: + +- Given the input parameters they will produce the same return values. +- The return values are generated using the type information and constraints + in the parameter. +- Given different input parameters they will _usually_ produce different + return values. +- Shrinking of generated functions will try constant functions, i.e. functions + that always return the same value. + +Let's look at an example: + +```java +@Property +void fromIntToString(@ForAll Function function) { + assertThat(function.apply(42)).hasSize(5); + assertThat(function.apply(1)).isEqualTo(function.apply(1)); +} +``` + +This works for any _interface-based_ functional types, even your own. +If you [register a default provider](#providing-default-arbitraries) for +a functional type with a priority of 0 or above, it will take precedence. + +If the functions need some specialized arbitrary for return values or if you +want to fix the function's behaviour for some range of values, you can define +the arbitrary manually: + +```java +@Property +void emptyStringsTestFalse(@ForAll("predicates") Predicate predicate) { + assertThat(predicate.test("")).isFalse(); +} + +@Provide +Arbitrary> predicates() { + return Functions + .function(Predicate.class) + .returns(Arbitraries.of(true, false)) + .when(parameters -> parameters.get(0).equals(""), parameters -> false); +} +``` + +In this example the generated predicate will always return `false` when +given an empty String and randomly choose between `true` and `false` in +all other cases. + +### Fluent Configuration Interfaces + +Most specialized arbitrary interfaces provide special methods to configure things +like size, length, boundaries etc. Have a look at the Java doc for the following types, +which are organized in a flat hierarchy: + +- [NumericalArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/BigDecimalArbitrary.html) + - [BigDecimalArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/BigDecimalArbitrary.html) + - [BigIntegerArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/BigIntegerArbitrary.html) + - [ByteArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/ByteArbitrary.html) + - [CharacterArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/CharacterArbitrary.html) + - [DoubleArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/DoubleArbitrary.html) + - [FloatArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/FloatArbitrary.html) + - [IntegerArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/IntegerArbitrary.html) + - [LongArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/LongArbitrary.html) + - [ShortArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/ShortArbitrary.html) +- [SizableArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/SizableArbitrary.html) + - [MapArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/MapArbitrary.html) + - [StreamableArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/StreamableArbitrary.html) + - [SetArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/SetArbitrary.html) + - [ListArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/ListArbitrary.html) + - [StreamArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/StreamArbitrary.html) + - [IteratorArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/IteratorArbitrary.html) +- [StringArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/StringArbitrary.html) +- [FunctionArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/FunctionArbitrary.html) +- [TypeArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/TypeArbitrary.html) + + +Here are a +[two examples](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/FluentConfigurationExamples.java) +to give you a hint of what you can do: + +```java +@Provide +Arbitrary alphaNumericStringsWithMinLength5() { + return Arbitraries.strings().ofMinLength(5).alpha().numeric(); +} + +@Provide +Arbitrary> fixedSizedListOfPositiveIntegers() { + return Arbitraries.integers().greaterOrEqual(0).list().ofSize(17); +} +``` + +### Generate `null` values + +Predefined generators will never create `null` values. If you want to allow that, +call [`Arbitrary.injectNull(double probability)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#injectNull-double-). +The following provider method creates an arbitrary that will return a `null` String +in about 1 of 100 generated values. + +```java +@Provide +Arbitrary stringsWithNull() { + return Arbitraries.strings(0, 10).injectNull(0.01); +} +``` + +### Inject duplicate values + +Sometimes it is important that your generator will create _a previous value_ +again in order to trigger certain scenarios or branches in your code. +Imagine you want to check if your carefully hand-crafted String comparator really +is as symmetric as it's supposed to be: + +```java +Comparator comparator = (s1, s2) -> { + if (s1.length() + s2.length() == 0) return 0; + if (s1.compareTo(s2) > 0) { + return 1; + } else { + return -1; + } +}; + +@Property +boolean comparing_strings_is_symmetric(@ForAll String first, @ForAll String second) { + int comparison = comparator.compare(first, second); + return comparator.compare(second, first) == -comparison; +} +``` + +The property (most probably) succeeds and will give you confidence in your code. +Or does it? Natural scepticism makes you check some statistics: + +```java +@Property +boolean comparing_strings_is_symmetric(@ForAll String first, @ForAll String second) { + int comparison = comparator.compare(first, second); + String comparisonRange = comparison < 0 ? "<0" : comparison > 0 ? ">0" : "=0"; + String empty = first.isEmpty() || second.isEmpty() ? "empty" : "not empty"; + Statistics.collect(comparisonRange, empty); + return comparator.compare(second, first) == -comparison; +} +``` + +The following output + +``` +[comparing strings is symmetric] (1000) statistics = + <0 not empty (471) : 47,10 % + >0 not empty (456) : 45,60 % + <0 empty ( 37) : 3,70 % + >0 empty ( 35) : 3,50 % + =0 empty ( 1) : 0,10 % +``` + +reveals that our generated test data is missing one combination: +Comparison value of 0 for non-empty strings. In theory a generic String arbitrary +could generate the same non-empty string but it's highly unlikely. +This is where we have to think about raising the probability of the same +value being generated more often: + +``` +@Property +boolean comparing_strings_is_symmetric(@ForAll("pair") Tuple2 pair) { + String first = pair.get1(); + String second = pair.get2(); + int comparison = comparator.compare(first, second); + return comparator.compare(second, first) == -comparison; +} + +@Provide +Arbitrary> pair() { + return Arbitraries.strings().injectDuplicates(0.1).tuple2(); +} +``` + +This will cover the missing case and will reveal a bug in the comparator. +Mind that you have to make sure that the _same generator instance_ is being used +for the two String values - using `tuple2()` does that. + + +### Filtering + +If you want to include only part of all the values generated by an arbitrary, +use +[`Arbitrary.filter(Predicate filterPredicate)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#filter-java.util.function.Predicate-). +The following arbitrary will filter out all +even numbers from the stream of generated integers: + +```java +@Provide +Arbitrary oddNumbers() { + return Arbitraries.integers().filter(aNumber -> aNumber % 2 != 0); +} +``` + +Keep in mind that your filter condition should not be too restrictive. +If the generator fails to find a suitable value after 10000 trials, +the current property will be abandoned by throwing an exception. + +### Creating unique values + +If you want to make sure that all the values generated by an arbitrary are unique, +use +[`Arbitrary.unique()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#unique--). +The following arbitrary will generate integers between 1 and 1000 but never the same integer twice: + +```java +@Provide +Arbitrary oddNumbers() { + return Arbitraries.integers().between(1, 1000).unique(); +} +``` + +This means that a maximum of 1000 values can be generated. If the generator fails +to find a yet unseen value after 10000 trials, +the current property will be abandoned by throwing an exception. + +### Mapping + +Sometimes it's easier to start with an existing arbitrary and use its generated values to +build other objects from them. In that case, use +[`Arbitrary.map(Function mapper)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#map-java.util.function.Function-). +The following example uses generated integers to create numerical Strings: + +```java +@Provide +Arbitrary fiveDigitStrings() { + return Arbitraries.integers(10000, 99999).map(aNumber -> String.valueOf(aNumber)); +} +``` + +You could generate the same kind of values by constraining and filtering a generated String. +However, the [shrinking](#result-shrinking) target would probably be different. In the example above, shrinking +will move towards the lowest allowed number, that is `10000`. + + +### Flat Mapping + +Similar as in the case of `Arbitrary.map(..)` there are situations in which you want to use +a generated value in order to create another Arbitrary from it. Sounds complicated? +Have a look at the +[following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/FlatMappingExamples.java#L26): + +```java +@Property +boolean fixedSizedStrings(@ForAll("listsOfEqualSizedStrings")List lists) { + return lists.stream().distinct().count() == 1; +} + +@Provide +Arbitrary> listsOfEqualSizedStrings() { + Arbitrary integers2to5 = Arbitraries.integers().between(2, 5); + return integers2to5.flatMap(stringSize -> { + Arbitrary strings = Arbitraries.strings() // + .withCharRange('a', 'z') // + .ofMinLength(stringSize).ofMaxLength(stringSize); + return strings.list(); + }); +} +``` +The provider method will create random lists of strings, but in each list the size of the contained strings +will always be the same - between 2 and 5. + +### Flat Mapping with Tuple Types + +In the example above you used a generated value in order to create another arbitrary. +In those situations you often want to also provide the original values to your property test. + +Imagine, for instance, that you'd like to test properties of `String.substring(begin, end)`. +To randomize the method call, you not only need a string but also the `begin` and `end` indices. +However, both have dependencies: +- `end` must not be larger than the string size +- `begin` must not be larger than `end` +You can make _jqwik_ create all three values by using +[`flatMap`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#flatMap-java.util.function.Function-) +combined with a tuple type +[like this](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/FlatMappingExamples.java#L32): + + +```java +@Property +void substringLength(@ForAll("stringWithBeginEnd") Tuple3 stringBeginEnd) { + String aString = stringBeginEnd.get1(); + int begin = stringBeginEnd.get2(); + int end = stringBeginEnd.get3(); + Assertions.assertThat(aString.substring(begin, end).length()) + .isEqualTo(end - begin); +} + +@Provide +Arbitrary> stringWithBeginEnd() { + Arbitrary stringArbitrary = Arbitraries.strings() // + .withCharRange('a', 'z') // + .ofMinLength(2).ofMaxLength(20); + return stringArbitrary // + .flatMap(aString -> Arbitraries.integers().between(0, aString.length()) // + .flatMap(end -> Arbitraries.integers().between(0, end) // + .map(begin -> Tuple.of(aString, begin, end)))); +} +``` + +Mind the nested flat mapping, which is an aesthetic nuisance but nevertheless +very useful. + + +### Randomly Choosing among Arbitraries + +If you have several arbitraries of the same type, you can create a new arbitrary of +the same type which will choose randomly one of those arbitraries before generating +a value: + +```java +@Property +boolean intsAreCreatedFromOneOfThreeArbitraries(@ForAll("oneOfThree") int anInt) { + String classifier = anInt < -1000 ? "below" : anInt > 1000 ? "above" : "one"; + Statistics.collect(classifier); + + return anInt < -1000 // + || Math.abs(anInt) == 1 // + || anInt > 1000; +} + +@Provide +Arbitrary oneOfThree() { + IntegerArbitrary below1000 = Arbitraries.integers().between(-2000, -1001); + IntegerArbitrary above1000 = Arbitraries.integers().between(1001, 2000); + Arbitrary oneOrMinusOne = Arbitraries.samples(-1, 1); + + return Arbitraries.oneOf(below1000, above1000, oneOrMinusOne); +} +``` + +[In this example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/OneOfExamples.java) +the statistics should also give you an equal distribution between +the three types of integers. + +If you don't want to choose with equal probability - but with differing frequency - +you can do that in a similar way: + +```java +@Property(tries = 100) +@Report(Reporting.GENERATED) +boolean intsAreCreatedFromOneOfThreeArbitraries(@ForAll("oneOfThree") int anInt) { + return anInt < -1000 // + || Math.abs(anInt) == 1 // + || anInt > 1000; +} + +@Provide +Arbitrary oneOfThree() { + IntegerArbitrary below1000 = Arbitraries.integers().between(-1050, -1001); + IntegerArbitrary above1000 = Arbitraries.integers().between(1001, 1050); + Arbitrary oneOrMinusOne = Arbitraries.samples(-1, 1); + + return Arbitraries.frequencyOf( + Tuple.of(1, below1000), + Tuple.of(3, above1000), + Tuple.of(6, oneOrMinusOne) + ); +} +``` + +### Combining Arbitraries + +Sometimes just mapping a single stream of generated values is not enough to generate +a more complicated domain object. In those cases you can combine several arbitraries to +a single result arbitrary using +[`Combinators.combine()`](/docs/1.3.2/javadoc/net/jqwik/api/Combinators.html#combine-net.jqwik.api.Arbitrary-net.jqwik.api.Arbitrary-) +with up to eight arbitraries. +[Create an issue on github](https://github.com/jlink/jqwik/issues) if you need more than eight. + +[The following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/MappingAndCombinatorExamples.java#L25) +generates `Person` instances from three arbitraries as inputs. + +```java +@Property +void validPeopleHaveIDs(@ForAll("validPeople") Person aPerson) { + Assertions.assertThat(aPerson.getID()).contains("-"); + Assertions.assertThat(aPerson.getID().length()).isBetween(5, 24); +} + +@Provide +Arbitrary validPeople() { + Arbitrary names = Arbitraries.strings().withCharRange('a', 'z') + .ofMinLength(3).ofMaxLength(21); + Arbitrary ages = Arbitraries.integers().between(0, 130); + return Combinators.combine(names, ages) + .as((name, age) -> new Person(name, age)); +} + +class Person { + private final String name; + private final int age; + + public Person(String name, int age) { + this.name = name; + this.age = age; + } + + public String getID() { + return name + "-" + age; + } + + @Override + public String toString() { + return String.format("%s:%s", name, age); + } +} +``` + +The property should fail, thereby shrinking the falsified Person instance to +``` +Sample +------ + aPerson: aaaaaaaaaaaaaaaaaaaaa:100 +``` + +The `Combinators.combine` method accepts up to 8 parameters of type Arbitrary. +If you need more you have a few options: + +- Consider to group some parameters into an object of their own and change your design +- Generate inbetween arbitraries e.g. of type `Tuple` and combine those in another step +- Introduce a build for your domain object and combine them + [in this way](#combining-arbitraries-with-builder) + + +#### Combining Arbitraries with Builder + +There's an alternative way to combine arbitraries to create an aggregated object +by using a builder for the aggregated object. Consider the example from +[above](#combining-arbitraries) and throw a `PersonBuilder` into the mix: + +```java +static class PersonBuilder { + + private String name = "A name"; + private int age = 42; + + public PersonBuilder withName(String name) { + this.name = name; + return this; + } + + public PersonBuilder withAge(int age) { + this.age = age; + return this; + } + + public Person build() { + return new Person(name, age); + } +} +``` + +Then you can go about generating people in the following way: + +```java +@Provide +Arbitrary validPeopleWithBuilder() { + Arbitrary names = + Arbitraries.strings().withCharRange('a', 'z').ofMinLength(2).ofMaxLength(20); + Arbitrary ages = Arbitraries.integers().between(0, 130); + + return Combinators.withBuilder(() -> new PersonBuilder()) + .use(names).in((builder, name) -> builder.withName(name)) + .use(ages).in((builder, age)-> builder.withAge(age)) + .build( builder -> builder.build()); +} +``` + +Have a look at +[Combinators.withBuilder(Supplier)](/docs/1.3.2/javadoc/net/jqwik/api/Combinators.html#withBuilder-java.util.function.Supplier-) +and [Combinators.withBuilder(Arbitrary)](/docs/1.3.2/javadoc/net/jqwik/api/Combinators.html#withBuilder-net.jqwik.api.Arbitrary-) +to check the API. + +#### Flat Combination + +If generating domain values requires to use several generated values to be used +in generating another one, there's the combination of flat mapping and combining: + +```java +@Property +boolean fullNameHasTwoParts(@ForAll("fullName") String aName) { + return aName.split(" ").length == 2; +} + +@Provide +Arbitrary fullName() { + IntegerArbitrary firstNameLength = Arbitraries.integers().between(2, 10); + IntegerArbitrary lastNameLength = Arbitraries.integers().between(2, 10); + return Combinators.combine(firstNameLength, lastNameLength).flatAs( (fLength, lLength) -> { + Arbitrary firstName = Arbitraries.strings().alpha().ofLength(fLength); + Arbitrary lastName = Arbitraries.strings().alpha().ofLength(fLength); + return Combinators.combine(firstName, lastName).as((f,l) -> f + " " + l); + }); +} +``` + +Often, however, there's an easier way to achieve the same goal which +does not require the flat combination of arbitraries: + +```java +@Provide +Arbitrary fullName2() { + Arbitrary firstName = Arbitraries.strings().alpha().ofMinLength(2).ofMaxLength(10); + Arbitrary lastName = Arbitraries.strings().alpha().ofMinLength(2).ofMaxLength(10); + return Combinators.combine(firstName, lastName).as((f, l) -> f + " " + l); +} +``` + +This is not only easier to understand but it usually improves shrinking. + +### Ignoring Exceptions During Generation + +Once in a while, usually when [combining generated values](#combining-arbitraries), +it's difficult to figure out in advance all the constraints that make the generation of objects +valid. In a good object-oriented model, however, the objects themselves -- +i.e. their constructors or factory methods -- take care that only valid objects +can be created. The attempt to create an invalid value will be rejected with an +exception. + +As a good example have a look at JDK's `LocalDate` class, which allows to instantiate dates +using `LocalDate.of(int year, int month, int dayOfMonth)`. +In general `dayOfMonth` can be between `1` and `31` but trying to generate a +"February 31" will throw a `DateTimeException`. Therefore, when you want to randomly +generated dates between "January 1 1900" and "December 31 2099" you have two choices: + +- Integrate all rules about valid dates -- including leap years! -- into your generator. + This will probably require a cascade of flat-mapping `years` to `months` to `days`. +- Rely on the factory method's built-in validation and just ignore thrown + `DateTimeException` instances: + +```java +@Provide +Arbitrary datesBetween1900and2099() { + Arbitrary years = Arbitraries.integers().between(1900, 2099); + Arbitrary months = Arbitraries.integers().between(1, 12); + Arbitrary days = Arbitraries.integers().between(1, 31); + + return Combinators.combine(years, months, days) + .as(LocalDate::of) + .ignoreException(DateTimeException.class); +} +``` + +### Fix an Arbitrary's `genSize` + +Some generators (e.g. most number generators) are sensitive to the +`genSize` value that is used when creating them. +The default value for `genSize` is the number of tries configured for the property +they are used in. If there is a need to influence the behaviour of generators +you can do so by using +[`Arbitrary.fixGenSize(int)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#fixGenSize-int-).. + +## Recursive Arbitraries + +Sometimes it seems like a good idea to compose arbitraries and thereby +recursively calling an arbitrary creation method. Generating recursive data types +is one application field but you can also use it for other stuff. + +### Probabilistic Recursion + +Look at the +[following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/RecursiveExamples.java) +which generates sentences by recursively adding words to a sentence: + +```java +@Property +boolean sentencesEndWithAPoint(@ForAll("sentences") String aSentence) { + return aSentence.endsWith("."); +} + +@Provide +Arbitrary sentences() { + Arbitrary sentence = Combinators.combine( + Arbitraries.lazy(this::sentences), + word() + ).as((s, w) -> w + " " + s); + return Arbitraries.oneOf( + word().map(w -> w + "."), + sentence, + sentence, + sentence + ); +} + +private StringArbitrary word() { + return Arbitraries.strings().alpha().ofLength(5); +} +``` + +There are two things to which you must pay attention: + +- Use [`Arbitraries.lazy(Supplier>)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#lazy-java.util.function.Supplier-) + to wrap the recursive call itself. + Otherwise _jqwik_'s attempt to build the arbitrary will quickly result in a stack overflow. +- Every recursion needs one or more base cases in order to stop recursion at some point. + Base cases must have a high enough probability, + otherwise a stack overflow will get you during value generation. + +### Deterministic Recursion + +An alternative to the non-deterministic recursion shown above, is to use classical +recursion with a counter to determine the base case. If you then use an arbitrary value +for the counter, the generated sentences will be very similar, and there is _no need_ +for using `Arbitraries.lazy()` at all: + +```java +@Property(tries = 10) +boolean sentencesEndWithAPoint(@ForAll("deterministic") String aSentence) { + return aSentence.endsWith("."); +} + +@Provide +Arbitrary deterministic() { + Arbitrary length = Arbitraries.integers().between(0, 10); + Arbitrary lastWord = word().map(w -> w + "."); + return length.flatMap(l -> deterministic(l, lastWord)); +} + +@Provide +Arbitrary deterministic(int length, Arbitrary sentence) { + if (length == 0) { + return sentence; + } + Arbitrary more = Combinators.combine(word(), sentence).as((w, s) -> w + " " + s); + return deterministic(length - 1, more); +} +``` + +### Deterministic Recursion with `recursive()` + +To further simplify this _jqwik_ provides a helper function: +[`Arbitraries.recursive(...)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#recursive-java.util.function.Supplier-java.util.function.Function-int-). +Using that further simplifies the example: + +```java +@Property(tries = 10) +boolean sentencesEndWithAPoint(@ForAll("deterministic") String aSentence) { + return aSentence.endsWith("."); +} + +@Provide +Arbitrary deterministic() { + Arbitrary length = Arbitraries.integers().between(0, 10); + Arbitrary lastWord = word().map(w -> w + "."); + + return length.flatMap(l -> Arbitraries.recursive(() -> lastWord, s -> prependWord(s), l)); +} + +private Arbitrary prependWord(Arbitrary sentence) { + return Combinators.combine(word(), sentence).as((w, s) -> w + " " + s); +} +``` + +## Using Arbitraries Directly + +Most of the time arbitraries are used indirectly, i.e. _jqwik_ uses them under +the hood to inject generated values as parameters. There are situations, though, +in which you might want to generate values directly. + +### Generating a Single Value + +Getting a single random value out of an arbitrary is easy and can be done +with [`Arbitrary.sample()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#sample--): + +```java +Arbitrary strings = Arbitraries.of("string1", "string2", "string3"); +String aString = strings.sample(); +assertThat(aString).isIn("string1", "string2", "string3"); +``` + +Among other things, this allows you to use jqwik's generation functionality +with other test engines like Jupiter. +Mind that _jqwik_ uses a default `genSize` of 1000 under the hood and that +the `Random` object will be either taken from the current property's context or +freshly instantiated if used outside a property. + +### Generating a Stream of Values + +Getting a stream of generated values is just as easy with [`Arbitrary.sampleStream()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#sampleStream--): + +```java +List values = Arrays.asList("string1", "string2", "string3"); +Arbitrary strings = Arbitraries.of(values); +Stream streamOfStrings = strings.sampleStream(); + +assertThat(streamOfStrings).allMatch(values::contains); +``` + +### Generating all possible values + +There are a few cases when you don't want to generate individual values from an +arbitrary but use all possible values to construct another arbitrary. This can be achieved through +[`Arbitrary.allValues()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#allValues--). + +Return type is `Optional>` because _jqwik_ can only perform this task if +[exhaustive generation](#exhaustive-generation) is doable. + + +### Iterating through all possible values + +You can also use an arbitrary to iterate through all values it specifies. +Use +[`Arbitrary.forEachValue(Consumer action)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#forEachValue-java.util.function.Consumer-). +for that purpose. This only works when [exhaustive generation](#exhaustive-generation) is possible. +In other cases the attempt to iterate will result in an exception. + +This is typically useful when your test requires to assert some fact for all +values of a given (sub)set of objects. Here's a contrived example: + +```java +@Property +void canPressAnyKeyOnKeyboard(@ForAll Keyboard keyboard, @ForAll Key key) { + keyboard.press(key); + assertThat(keyboard.isPressed(key)); + + Arbitrary unpressedKeys = Arbitraries.of(keyboard.allKeys()).filter(k -> !k.equals(key)); + unpressedKeys.forEachValue(k -> assertThat(keyboard.isPressed(k)).isFalse()); +} +``` + +In this example a simple for loop over `allKeys()` would also work. In more complicated scenarios +_jqwik_ will do all the combinations and filtering for you. + + + + +## Contract Tests + +When you combine type variables with properties defined in superclasses or interfaces +you can do some kind of _contract testing_. That means that you specify +the properties in a generically typed interface and specify the concrete class to +instantiate in a test container implementing the interface. + +The following example was influence by a similar feature in +[junit-quickcheck](http://pholser.github.io/junit-quickcheck/site/0.8/usage/contract-tests.html). +Here's the contract: + +```java +interface ComparatorContract { + Comparator subject(); + + @Property + default void symmetry(@ForAll("anyT") T x, @ForAll("anyT") T y) { + Comparator subject = subject(); + + Assertions.assertThat(signum(subject.compare(x, y))).isEqualTo(-signum(subject.compare(y, x))); + } + + @Provide + Arbitrary anyT(); +} +``` + +And here's the concrete test container that can be run to execute +the property with generated Strings: + +```java +class StringCaseInsensitiveProperties implements ComparatorContract { + + @Override public Comparator subject() { + return String::compareToIgnoreCase; + } + + @Override + @Provide + public Arbitrary anyT() { + return Arbitraries.strings().alpha().ofMaxLength(20); + } +} +``` + +What we can see here is that _jqwik_ is able to figure out the concrete +type of type variables when they are used in subtypes that fill in +the variables. + + +## Stateful Testing + +Despite its bad reputation _state_ is an important concept in object-oriented languages like Java. +We often have to deal with stateful objects or components whose state can be changed through methods. + +Thinking in a more formal way we can look at those objects as _state machines_ and the methods as +_actions_ that move the object from one state to another. Some actions have preconditions to constrain +when they can be invoked and some objects have invariants that should never be violated regardless +of the sequence of performed actions. + +To make this abstract concept concrete, let's look at a +[simple stack implementation](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/stateful/mystack/MyStringStack.java): + +```java +public class MyStringStack { + public void push(String element) { ... } + public String pop() { ... } + public void clear() { ... } + public boolean isEmpty() { ... } + public int size() { ... } + public String top() { ... } +} +``` + +### Specify Actions + +We can see at least three _actions_ with their preconditions and expected state changes: + +- [`Push`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/stateful/mystack/PushAction.java): + Push a string onto the stack. The string should be on top afterwards and the size + should have increased by 1. + + ```java + import net.jqwik.api.stateful.*; + import org.assertj.core.api.*; + + class PushAction implements Action { + + private final String element; + + PushAction(String element) { + this.element = element; + } + + @Override + public MyStringStack run(MyStringStack stack) { + int sizeBefore = stack.size(); + stack.push(element); + Assertions.assertThat(stack.isEmpty()).isFalse(); + Assertions.assertThat(stack.size()).isEqualTo(sizeBefore + 1); + return stack; + } + + @Override + public String toString() { return String.format("push(%s)", element); } + } + ``` + +- [`Pop`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/stateful/mystack/PopAction.java): + If (and only if) the stack is not empty, pop the element on top off the stack. + The size of the stack should have decreased by 1. + + ```java + class PopAction implements Action { + + @Override + public boolean precondition(MyStringStack stack) { + return !stack.isEmpty(); + } + + @Override + public MyStringStack run(MyStringStack stack) { + int sizeBefore = stack.size(); + String topBefore = stack.top(); + + String popped = stack.pop(); + Assertions.assertThat(popped).isEqualTo(topBefore); + Assertions.assertThat(stack.size()).isEqualTo(sizeBefore - 1); + return stack; + } + + @Override + public String toString() { return "pop"; } + } + ``` + +- [`Clear`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/stateful/mystack/ClearAction.java): + Remove all elements from the stack which should be empty afterwards. + + ```java + class ClearAction implements Action { + + @Override + public MyStringStack run(MyStringStack stack) { + stack.clear(); + Assertions.assertThat(stack.isEmpty()).isTrue(); + return stack; + } + + @Override + public String toString() { return "clear"; } + } + ``` + +### Check Postconditions + +The fundamental property that _jqwik_ should try to falsify is: + + For any valid sequence of actions all required state changes + (aka postconditions) should be fulfilled. + +We can formulate that quite easily as a +[_jqwik_ property](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/stateful/mystack/MyStringStackProperties.java): + +```java +class MyStringStackProperties { + + @Property + void checkMyStack(@ForAll("sequences") ActionSequence actions) { + actions.run(new MyStringStack()); + } + + @Provide + Arbitrary> sequences() { + return Arbitraries.sequences(Arbitraries.oneOf(push(), pop(), clear())); + } + + private Arbitrary> push() { + return Arbitraries.strings().alpha().ofLength(5).map(PushAction::new); + } + + private Arbitrary> clear() { + return Arbitraries.just(new ClearAction()); + } + + private Arbitrary> pop() { + return Arbitraries.just(new PopAction()); + } +} +``` + +The interesting API elements are +- [`ActionSequence`](/docs/1.3.2/javadoc/net/jqwik/api/stateful/ActionSequence.html): + A generic collection type especially crafted for holding and shrinking of a list of actions. + As a convenience it will apply the actions to a state-based object when you call `run(state)`. + +- [`Arbitraries.sequences()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#sequences-net.jqwik.api.Arbitrary-): + This method will create the arbitrary for generating an `ActionSequence` given the + arbitrary for generating actions. + +To give _jqwik_ something to falsify, we broke the implementation of `clear()` so that +it won't clear everything if there are more than two elements on the stack: + +```java +public void clear() { + // Wrong implementation to provoke falsification for stacks with more than 2 elements + if (elements.size() > 2) { + elements.remove(0); + } else { + elements.clear(); + } +} +``` + +Running the property should now produce a result similar to: + +``` +org.opentest4j.AssertionFailedError: + Run failed after following actions: + push(AAAAA) + push(AAAAA) + push(AAAAA) + clear + final state: ["AAAAA", "AAAAA"] +``` + +### Number of actions + +_jqwik_ will vary the number of generated actions according to the number +of `tries` of your property. For the default of 1000 tries a sequence will +have up to 32 actions. If need be you can specify the number of actions +to generate using either the fluent interface or the `@Size` annotation: + +```java +@Property +// check stack with sequences of 7 actions: +void checkMyStack(@ForAll("sequences") @Size(max = 7) ActionSequence actions) { + actions.run(new MyStringStack()); +} +``` + +The minimum number of generated actions in a sequence is 1 since checking +an empty sequence does not make sense. + +### Check Invariants + +We can also add invariants to our sequence checking property: + +```java +@Property +void checkMyStackWithInvariant(@ForAll("sequences") ActionSequence actions) { + actions + .withInvariant(stack -> Assertions.assertThat(stack.size()).isGreaterThanOrEqualTo(0)) + .withInvariant(stack -> Assertions.assertThat(stack.size()).isLessThan(5)) + .run(new MyStringStack()); +} +``` + +If we first fix the bug in `MyStringStack.clear()` our property should eventually fail +with the following result: + +``` +org.opentest4j.AssertionFailedError: + Run failed after following actions: + push(AAAAA) + push(AAAAA) + push(AAAAA) + push(AAAAA) + push(AAAAA) + final state: ["AAAAA", "AAAAA", "AAAAA", "AAAAA", "AAAAA"] +``` + + +## Assumptions + +If you want to constrain the set of generated values in a way that embraces +more than one parameter, [filtering](#filtering) does not work. What you +can do instead is putting one or more assumptions at the beginning of your property. + +[The following property](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/AssumptionExamples.java) +works only on strings that are not equal: + +```java +@Property +boolean comparingUnequalStrings( + @ForAll @StringLength(min = 1, max = 10) String string1, + @ForAll @StringLength(min = 1, max = 10) String string2 +) { + Assume.that(!string1.equals(string2)); + + return string1.compareTo(string2) != 0; +} +``` + +This is a reasonable use of +[`Assume.that(boolean condition)`](/docs/1.3.2/javadoc/net/jqwik/api/Assume.html#that-boolean-) +because most generated value sets will pass through. + +Have a look at a seemingly similar example: + +```java +@Property +boolean findingContainedStrings( + @ForAll @StringLength(min = 1, max = 10) String container, + @ForAll @StringLength(min = 1, max = 5) String contained +) { + Assume.that(container.contains(contained)); + + return container.indexOf(contained) >= 0; +} +``` + +Despite the fact that the property condition itself is correct, the property will most likely +fail with the following message: + +``` +org.opentest4j.AssertionFailedError: + Property [findingContainedStrings] exhausted after [1000] tries and [980] rejections + +tries = 1000 +checks = 20 +generation = RANDOMIZED +after-failure = PREVIOUS_SEED +edge-cases#mode = MIXIN +seed = 1066117555581106850 +``` + +The problem is that - given a random generation of two strings - only in very few cases +one string will be contained in the other. _jqwik_ will report a property as `exhausted` +if the ratio between generated and accepted parameters is higher than 5. You can change +the maximum discard ratio by specifying a parameter `maxDiscardRatio` in the +[`@Property`](/docs/1.3.2/javadoc/net/jqwik/api/Property.html) annotation. +That's why changing to `@Property(maxDiscardRatio = 100)` in the previous example +will probably result in a successful property run, even though only a handful +cases - of 1000 generated - will actually be checked. + +In many cases turning up the accepted discard ration is a bad idea. With some creativity +we can often avoid the problem by generating out test data a bit differently. +Look at this variant of the above property, which also uses +[`Assume.that()`](/docs/1.3.2/javadoc/net/jqwik/api/Assume.html#that-boolean-) +but with a much lower discard ratio: + +```java +@Property +boolean findingContainedStrings_variant( + @ForAll @StringLength(min = 5, max = 10) String container, + @ForAll @IntRange(min = 1, max = 5) int length, + @ForAll @IntRange(min = 0, max = 9) int startIndex +) { + Assume.that((length + startIndex) <= container.length()); + + String contained = container.substring(startIndex, startIndex + length); + return container.indexOf(contained) >= 0; +} +``` + +## Result Shrinking + +If a property could be falsified with a generated set of values, _jqwik_ will +try to "shrink" this sample in order to find a "smaller" sample that also falsifies the property. + +Try this property: + +```java +@Property +boolean stringShouldBeShrunkToAA(@ForAll @AlphaChars String aString) { + return aString.length() > 5 || aString.length() < 2; +} +``` + +The test run result should look something like: + +``` +AssertionFailedError: Property [stringShouldBeShrunkToAA] falsified with sample {0="aa"} + +tries = 38 +checks = 38 +... +Sample +------ + aString: "aa" + +Original Sample +--------------- + aString: "AoFI" +``` + +In this case the _original sample_ could be any string between 2 and 5 chars, +whereas the final _sample_ should be exactly `AA` since this is the shortest +failing string and `A` has the lowest numeric value of all allowed characters. + +### Integrated Shrinking + +_jqwik_'s shrinking approach is called _integrated shrinking_, as opposed to _type-based shrinking_ +which most property-based testing tools use. +The general idea and its advantages are explained +[here](http://hypothesis.works/articles/integrated-shrinking/). + +Consider a somewhat +[more complicated example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/ShrinkingExamples.java#L15): + +```java +@Property +boolean shrinkingCanTakeLong(@ForAll("first") String first, @ForAll("second") String second) { + String aString = first + second; + return aString.length() > 5 || aString.length() < 2; +} + +@Provide +Arbitrary first() { + return Arbitraries.strings() + .withCharRange('a', 'z') + .ofMinLength(1).ofMaxLength(10) + .filter(string -> string.endsWith("h")); +} + +@Provide +Arbitrary second() { + return Arbitraries.strings() + .withCharRange('0', '9') + .ofMinLength(0).ofMaxLength(10) + .filter(string -> string.length() >= 1); +} +``` + +Shrinking still works, although there's quite a bit of filtering and string concatenation happening: +``` +AssertionFailedError: Property [shrinkingCanTakeLong] falsified with sample {0="h", 1="0"} + +checks = 20 +tries = 20 +... +Sample +------ + first: "h" + second: "0" + +Original Sample +--------------- + first: "gh" + second: "774" +``` + +### Switch Shrinking Off + +Sometimes shrinking takes a really long time or won't finish at all (usually a _jqwik_ bug!). +In those cases you can switch shrinking off for an individual property: + +```java +@Property(shrinking = ShrinkingMode.OFF) +void aPropertyWithLongShrinkingTimes( + @ForAll List> list1, + @ForAll List> list2 +) { ... } +``` + +### Switch Shrinking to Full Mode + +Sometimes you can find a message like + +``` +shrinking bound reached = after 1000 steps. +``` + +in your testrun's output. +This happens in rare cases when _jqwik_ has not found the end of its search for +simpler falsifiable values after 1000 iterations. In those cases you +can try + +```java +@Property(shrinking = ShrinkingMode.FULL) +``` + +to tell _jqwik_ to go all the way, even if it takes a million steps, +even if it never ends... + +### Change the Shrinking Target + +By default shrinking of numbers will move towards zero (0). +If zero is outside the bounds of generation the closest number to zero - +either the min or max value - is used as a target for shrinking. +There are cases, however, when you'd like _jqwik_ to choose a different +shrinking target, usually when the default value of a number is not 0. + +Consider generating signals with a standard frequency of 50 hz that can vary by +plus/minus 5 hz. If possible, shrinking of falsified scenarios should move +towards the standard frequency. Here's how the provider method might look: + +```java +@Provide +Arbitrary> signals() { + Arbitrary frequencies = + Arbitraries + .longs() + .between(45, 55) + .shrinkTowards(50); + + return frequencies.map(f -> Signal.withFrequency(f)).list().ofMaxSize(1000); +} +``` + +Currently shrinking targets are supported for all [number types](#numeric-arbitrary-types). + + + +## Platform Reporting with Reporter Object + +If you want to provide additional information during a test or a property using +`System.out.println()` is a common choice. The JUnit platform, however, provides +a better mechanism to publish additional information in the form of key-value pairs. +Those pairs will not only printed to stdout but are also available to downstream +tools like test report generators in continue integration. + +You can hook into this reporting mechanism through jqwik's `Reporter` object. +This object is available in [lifecycle hooks](#lifecycle-hooks) but you can +also have it injected as a parameter into your test method: + +```java +@Example +void reportInCode(Reporter reporter, @ForAll List<@AlphaChars String> aList) { + reporter.publishReport("listOfStrings", aList); + reporter.publishValue("birthday", LocalDate.of(1969, 1, 20).toString()); +} +``` + +[net.jqwik.api.Reporter](/docs/1.3.2/javadoc/net/jqwik/api/Reporter.html) +has different publishing methods. +Those with `report` in their name use jqwik's reporting mechanism and formats +described [above](#failure-reporting). + + + +## Collecting and Reporting Statistics + +In many situations you'd like to know if _jqwik_ will really generate +the kind of values you expect and if the frequency and distribution of +certain value classes meets your testing needs. +[`Statistics.collect()`](/docs/1.3.2/javadoc/net/jqwik/api/statistics/Statistics.html#collect-java.lang.Object...-) +is made for this exact purpose. + +In the most simple case you'd like to know how often a certain value +is being generated: + +```java +@Property +void simpleStats(@ForAll RoundingMode mode) { + Statistics.collect(mode); +} +``` + +will create an output similar to that: + +``` +[MyTest:simpleStats] (1000) statistics = + FLOOR (158) : 16 % + HALF_EVEN (135) : 14 % + DOWN (126) : 13 % + UP (120) : 12 % + HALF_UP (118) : 12 % + CEILING (117) : 12 % + UNNECESSARY (117) : 12 % + HALF_DOWN (109) : 11 % +``` + +More typical is the case in which you'll classify generated values +into two or more groups: + +```java +@Property +void integerStats(@ForAll int anInt) { + Statistics.collect(anInt > 0 ? "positive" : "negative"); +} +``` + +``` +[MyTest:integerStats] (1000) statistics = + negative (506) : 51 % + positive (494) : 49 % +``` + +You can also collect the distribution in more than one category +and combine those categories: + +```java +@Property +void combinedIntegerStats(@ForAll int anInt) { + String posOrNeg = anInt > 0 ? "positive" : "negative"; + String evenOrOdd = anInt % 2 == 0 ? "even" : "odd"; + String bigOrSmall = Math.abs(anInt) > 50 ? "big" : "small"; + Statistics.collect(posOrNeg, evenOrOdd, bigOrSmall); +} +``` + +``` +[MyTest:combinedIntegerStats] (1000) statistics = + negative even big (222) : 22 % + positive even big (201) : 20 % + positive odd big (200) : 20 % + negative odd big (194) : 19 % + negative even small ( 70) : 7 % + positive odd small ( 42) : 4 % + negative odd small ( 38) : 4 % + positive even small ( 33) : 3 % +``` + +And, of course, you can combine different generated parameters into +one statistical group: + +```java +@Property +void twoParameterStats( + @ForAll @Size(min = 1, max = 10) List aList, + @ForAll @IntRange(min = 0, max = 10) int index +) { + Statistics.collect(aList.size() > index ? "index within size" : null); +} +``` + +``` +[MyTest:twoParameterStats] (1000) statistics = + index within size (507) : 51 % +``` + +As you can see, collected `null` values are not being reported. + +[Here](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/statistics/StatisticsExamples.java) +are a couple of examples to try out. + +### Labeled Statistics + +If you want more than one statistic in a single property, you must give them labels for differentiation: + +```java +@Property +void severalStatistics(@ForAll @IntRange(min = 1, max = 10) Integer anInt) { + String range = anInt < 3 ? "small" : "large"; + Statistics.label("range").collect(range); + Statistics.label("value").collect(anInt); +} +``` + +produces the following reports: + +``` +[MyTest:labeledStatistics] (1000) range = + large (783) : 78 % + small (217) : 22 % + +[MyTest:labeledStatistics] (1000) value = + 1 (115) : 12 % + 5 (109) : 11 % + 10 (105) : 11 % + 4 (103) : 10 % + 2 (102) : 10 % + 3 ( 99) : 10 % + 6 ( 97) : 10 % + 8 ( 92) : 9 % + 7 ( 91) : 9 % + 9 ( 87) : 9 % +``` + +### Statistics Report Formatting + +There is a +[`@StatisticsReport`](/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.html) +annotation that allows to change statistics report +formats or to even switch it off. The annotation can be used on property methods +or on container classes. + +The `value` attribute is of type +[StatisticsReportMode.OFF](/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.StatisticsReportMode.html) and can have one of: + +- __`STANDARD`__: Use jqwik's standard reporting format. This is used anyway + if you leave the annotation away. +- __`OFF`__: Switch statistics reporting off +- __`PLUG_IN`__: Plug in your homemade format. This is the default so that + you only have to provide the `format` attribute + [as shown below](#plug-in-your-own-statistics-report-format) + + +#### Switch Statistics Reporting Off + +You can switch off statistics report as simple as that: + +```java +@Property +@StatisticsReport(StatisticsReport.StatisticsReportMode.OFF) +void queryStatistics(@ForAll int anInt) { + Statistics.collect(anInt); +} +``` + +#### Histograms + +_jqwik_ comes with two report formats to display collected data as histograms: +[`Histogram`](/docs/1.3.2/javadoc/net/jqwik/api/statistics/Histogram.html) +and [`NumberRangeHistogram`](/docs/1.3.2/javadoc/net/jqwik/api/statistics/NumberRangeHistogram.html). + +`Histogram` displays the collected raw data as a histogram: + +```java +@Property(generation = GenerationMode.RANDOMIZED) +@StatisticsReport(format = Histogram.class) +void integers(@ForAll("gaussians") int aNumber) { + Statistics.collect(aNumber); +} + +@Provide +Arbitrary gaussians() { + return Arbitraries + .integers() + .between(0, 20) + .shrinkTowards(10) + .withDistribution(RandomDistribution.gaussian()); +} +``` + +``` +[HistogramExamples:integers] (1000) statistics = + # | label | count | + -----|-------|-------|--------------------------------------------------------------------------------- + 0 | 0 | 13 | ■■■■ + 1 | 1 | 13 | ■■■■ + 2 | 2 | 15 | ■■■■■ + 3 | 3 | 6 | ■■ + 4 | 4 | 10 | ■■■ + 5 | 5 | 22 | ■■■■■■■ + 6 | 6 | 49 | ■■■■■■■■■■■■■■■■ + 7 | 7 | 60 | ■■■■■■■■■■■■■■■■■■■■ + 8 | 8 | 102 | ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ + 9 | 9 | 100 | ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ + 10 | 10 | 233 | ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ + 11 | 11 | 114 | ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ + 12 | 12 | 74 | ■■■■■■■■■■■■■■■■■■■■■■■■■ + 13 | 13 | 64 | ■■■■■■■■■■■■■■■■■■■■■ + 14 | 14 | 43 | ■■■■■■■■■■■■■■ + 15 | 15 | 32 | ■■■■■■■■■■ + 16 | 16 | 16 | ■■■■■ + 17 | 17 | 8 | ■■ + 18 | 18 | 7 | ■■ + 19 | 20 | 19 | ■■■■■■ +``` + +`NumberRangeHistogram` clusters the collected raw data into ranges: + +```java +@Property(generation = GenerationMode.RANDOMIZED) +@StatisticsReport(format = NumberRangeHistogram.class) +void integersInRanges(@ForAll @IntRange(min = -1000, max = 1000) int aNumber) { + Statistics.collect(aNumber); +} +``` + +``` +[HistogramExamples:integersInRanges] (1000) statistics = + # | label | count | + -----|---------------|-------|--------------------------------------------------------------------------------- + 0 | [-1000..-900[ | 20 | ■■■■■ + 1 | [-900..-800[ | 17 | ■■■■ + 2 | [-800..-700[ | 16 | ■■■■ + 3 | [-700..-600[ | 8 | ■■ + 4 | [-600..-500[ | 12 | ■■■ + 5 | [-500..-400[ | 14 | ■■■ + 6 | [-400..-300[ | 17 | ■■■■ + 7 | [-300..-200[ | 46 | ■■■■■■■■■■■ + 8 | [-200..-100[ | 59 | ■■■■■■■■■■■■■■ + 9 | [-100..0[ | 315 | ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ + 10 | [0..100[ | 276 | ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ + 11 | [100..200[ | 47 | ■■■■■■■■■■■ + 12 | [200..300[ | 49 | ■■■■■■■■■■■■ + 13 | [300..400[ | 25 | ■■■■■■ + 14 | [400..500[ | 14 | ■■■ + 15 | [500..600[ | 13 | ■■■ + 16 | [600..700[ | 15 | ■■■ + 17 | [700..800[ | 14 | ■■■ + 18 | [800..900[ | 11 | ■■ + 19 | [900..1000] | 12 | ■■■ +``` + +Both types can be subclassed to override behaviour like the number of buckets, +the maximum drawing range of the bar, the order of elements and the label of a bucket. + +#### Make Your Own Statistics Report Format + +In order to format statistics to your own liking you have to create an +implementation of type +[StatisticsReportFormat](/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReportFormat.html) and + +```java +@Property +@StatisticsReport(format = MyStatisticsFormat.class) +void statisticsWithHandMadeFormat(@ForAll Integer anInt) { + String range = anInt < 0 ? "negative" : anInt > 0 ? "positive" : "zero"; + Statistics.collect(range); +} + +class MyStatisticsFormat implements StatisticsReportFormat { + @Override + public List formatReport(List entries) { + return entries.stream() + .map(e -> String.format("%s: %d", e.name(), e.count())) + .collect(Collectors.toList()); + } +} +``` + +Running this property should produce a report similar to that: + +``` +[StatisticsExamples:statisticsWithHandMadeFormat] (1000) statistics = + negative: 520 + positive: 450 + zero: 30 +``` + +### Checking Coverage of Collected Statistics + +Just looking at the statistics of generated values might not be sufficient. +Sometimes you want to make sure that certain scenarios are being covered by +your generators and fail a property otherwise. In _jqwik_ you do that +by first +[collecting statistics](#collecting-and-reporting-statistics) +and then specifying coverage conditions for those statistics. + +#### Check Percentages and Counts + +The following example does that for generated values of enum `RoundingMode`: + +```java +@Property(generation = GenerationMode.RANDOMIZED) +void simpleStats(@ForAll RoundingMode mode) { + Statistics.collect(mode); + + Statistics.coverage(coverage -> { + coverage.check(RoundingMode.CEILING).percentage(p -> p > 5.0); + coverage.check(RoundingMode.FLOOR).count(c -> c > 2); + }); +} +``` + +The same thing is possible for values collected with a specific label +and in a fluent API style. + +```java +@Property(generation = GenerationMode.RANDOMIZED) +void labeledStatistics(@ForAll @IntRange(min = 1, max = 10) Integer anInt) { + String range = anInt < 3 ? "small" : "large"; + + Statistics.label("range") + .collect(range) + .coverage(coverage -> coverage.check("small").percentage(p -> p > 20.0)); + + Statistics.label("value") + .collect(anInt) + .coverage(coverage -> coverage.check(0).count(c -> c > 0)); +} +``` + +Start by looking at +[`Statistics.coverage()`](/docs/1.3.2/javadoc/net/jqwik/api/statistics/Statistics.html#coverage-java.util.function.Consumer-) +to see all the options you have for checking percentages and counts. + +#### Check Ad-hoc Query Coverage + +Instead of classifying values at collection time you have the possibility to +collect the raw data and use a query when doing coverage checking: + +```java +@Property +@StatisticsReport(StatisticsReport.StatisticsReportMode.OFF) +void queryStatistics(@ForAll int anInt) { + Statistics.collect(anInt); + + Statistics.coverage(coverage -> { + Predicate> isZero = params -> params.get(0) == 0; + coverage.checkQuery(isZero).percentage(p -> p > 5.0); + }); +} +``` + +In those cases you probably want to +[switch off reporting](#switch-statistics-reporting-off), +otherwise the reports might get very long - and without informative value. + + +## Providing Default Arbitraries + +Sometimes you want to use a certain, self-made `Arbitrary` for one of your own domain +classes, in all of your properties, and without having to add `@Provide` method +to all test classes. _jqwik_ enables this feature by using +Java’s `java.util.ServiceLoader` mechanism. All you have to do is: + +- Implement the interface [`ArbitraryProvider`](/docs/1.3.2/javadoc/net/jqwik/api/providers/ArbitraryProvider.html).
+ The implementing class _must_ have a default constructor without parameters. +- Register the implementation class in file + + ``` + META-INF/services/net.jqwik.api.providers.ArbitraryProvider + ``` + +_jqwik_ will then add an instance of your arbitrary provider into the list of +its default providers. Those default providers are considered for every test parameter annotated +with [`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html) that has no explicit `value`. +By using this mechanism you can also replace the default providers +packaged into _jqwik_. + +### Simple Arbitrary Providers + +A simple provider is one that delivers arbitraries for types without type variables. +Consider the class [`Money`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/defaultprovider/Money.java): + +```java +public class Money { + public BigDecimal getAmount() { + return amount; + } + + public String getCurrency() { + return currency; + } + + public Money(BigDecimal amount, String currency) { + this.amount = amount; + this.currency = currency; + } + + public Money times(int factor) { + return new Money(amount.multiply(new BigDecimal(factor)), currency); + } +} +``` + +If you register the following class +[`MoneyArbitraryProvider`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/defaultprovider/MoneyArbitraryProvider.java): + +```java +package my.own.provider; + +public class MoneyArbitraryProvider implements ArbitraryProvider { + @Override + public boolean canProvideFor(TypeUsage targetType) { + return targetType.isOfType(Money.class); + } + + @Override + public Set> provideFor(TypeUsage targetType, SubtypeProvider subtypeProvider) { + Arbitrary amount = Arbitraries.bigDecimals() + .between(BigDecimal.ZERO, new BigDecimal(1_000_000_000)) + .ofScale(2); + Arbitrary currency = Arbitraries.of("EUR", "USD", "CHF"); + return Collections.singleton(Combinators.combine(amount, currency).as(Money::new)); + } +} +``` + +in file +[`META-INF/services/net.jqwik.api.providers.ArbitraryProvider`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/resources/META-INF/services/net.jqwik.api.providers.ArbitraryProvider) +with such an entry: + +``` +my.own.provider.MoneyArbitraryProvider +``` + +The +[following property](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/defaultprovider/MoneyProperties.java) +will run without further ado - regardless the class you put it in: + +```java +@Property +void moneyCanBeMultiplied(@ForAll Money money) { + Money times2 = money.times(2); + Assertions.assertThat(times2.getCurrency()).isEqualTo(money.getCurrency()); + Assertions.assertThat(times2.getAmount()) + .isEqualTo(money.getAmount().multiply(new BigDecimal(2))); +} +``` + +### Arbitrary Providers for Parameterized Types + +Providing arbitraries for generic types requires a little bit more effort +since you have to create arbitraries for the "inner" types as well. +Let's have a look at the default provider for `java.util.Optional`: + +```java +public class OptionalArbitraryProvider implements ArbitraryProvider { + @Override + public boolean canProvideFor(TypeUsage targetType) { + return targetType.isOfType(Optional.class); + } + + @Override + public Set> provideFor(TypeUsage targetType, SubtypeProvider subtypeProvider) { + TypeUsage innerType = targetType.getTypeArguments().get(0); + return subtypeProvider.apply(innerType).stream() + .map(Arbitrary::optional) + .collect(Collectors.toSet()); + } +} +``` + +Mind that `provideFor` returns a set of potential arbitraries. +That's necessary because the `subtypeProvider` might also deliver a choice of +subtype arbitraries. Not too difficult, is it? + + +### Arbitrary Provider Priority + +When more than one provider is suitable for a given type, _jqwik_ will randomly +choose between all available options. That's why you'll have to take additional +measures if you want to replace an already registered provider. The trick +is to override a provider's `priority()` method that returns `0` by default: + +```java +public class AlternativeStringArbitraryProvider implements ArbitraryProvider { + @Override + public boolean canProvideFor(TypeUsage targetType) { + return targetType.isAssignableFrom(String.class); + } + + @Override + public int priority() { + return 1; + } + + @Override + public Set> provideFor(TypeUsage targetType, SubtypeProvider subtypeProvider) { + return Collections.singleton(Arbitraries.just("A String")); + } +} +``` + +If you register this class as arbitrary provider any `@ForAll String` will +be resolved to `"A String"`. + +## Create your own Annotations for Arbitrary Configuration + +All you can do [to constrain default parameter generation](#constraining-default-generation) +is adding another annotation to a parameter or its parameter types. What if the existing parameters +do not suffice your needs? Is there a way to enhance the set of constraint annotations? Yes, there is! + +The mechanism you can plug into is similar to what you do when +[providing your own default arbitrary providers](#providing-default-arbitraries). That means: + +1. Create an implementation of an interface, in this case + [`ArbitraryConfigurator`](/docs/1.3.2/javadoc/net/jqwik/api/configurators/ArbitraryConfigurator.html). +2. Register the implementation using using Java’s `java.util.ServiceLoader` mechanism. + +### Arbitrary Configuration Example: `@Odd` + +To demonstrate the idea let's create an annotation `@Odd` which will constrain any integer +generation to only generate odd numbers. First things first, so here's +the [`@Odd` annotation](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/arbitraryconfigurator/Odd.java) +together with the +[configurator implementation](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/arbitraryconfigurator/OddConfigurator.java): + +```java +@Target({ ElementType.ANNOTATION_TYPE, ElementType.PARAMETER, ElementType.TYPE_USE }) +@Retention(RetentionPolicy.RUNTIME) +public @interface Odd { +} + +public class OddConfigurator extends ArbitraryConfiguratorBase { + public Arbitrary configure(Arbitrary arbitrary, Odd odd) { + return arbitrary.filter(number -> Math.abs(number % 2) == 1); + } +} +``` + +Mind that the implementation uses an abstract base class - instead of the interface itself - +which simplifies implementation if you're only interested in a single annotation. + +If you now +[register the implementation](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/resources/META-INF/services/net.jqwik.api.configurators.ArbitraryConfigurator), +the [following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/arbitraryconfigurator/OddProperties.java) +will work: + +```java +@Property +boolean oddIntegersOnly(@ForAll @Odd int aNumber) { + return Math.abs(aNumber % 2) == 1; +} +``` + +There are a few catches, though: + +- Currently `OddConfigurator` will accept any target type since type erasure + will get rid of `` in configure-method's signature at runtime. + Therefore, using `@Odd` together with e.g. `BigInteger` will lead to a runtime + exception. You can prevent that by explicitly accepting only some target types: + + ```java + public class OddConfigurator extends ArbitraryConfiguratorBase { + + @Override + protected boolean acceptTargetType(TypeUsage targetType) { + return targetType.isAssignableFrom(Integer.class); + } + + public Arbitrary configure(Arbitrary arbitrary, Odd odd) { + return arbitrary.filter(number -> Math.abs(number % 2) == 1); + } + } + ``` + + Alternatively, you can check for an object's type directly and use different + filter algorithms: + + ```java + public Arbitrary configure(Arbitrary arbitrary, Odd odd) { + return arbitrary.filter(number -> { + if (number instanceof Integer) + return Math.abs((int) number % 2) == 1; + if (number instanceof BigInteger) + return ((BigInteger) number).remainder(BigInteger.valueOf(2)) + .abs().equals(BigInteger.ONE); + return false; + }); + } + ``` + +- You can combine `@Odd` with other annotations like `@Positive` or `@Range` or another + self-made configurator. In this case the order of configurator application might play a role, + which can be influenced by overriding the `order()` method of a configurator. + +## Domain and Domain Context + +Until now you have seen two ways to specify which arbitraries will be created for a given parameter: + +- Annotate the parameter with `@ForAll("providerMethod")`. +- [Register a global arbitrary provider](#providing-default-arbitraries) + that will be triggered by a known parameter signature. + +In many cases both approaches can be tedious to set up or require constant repetition of the same +annotation value. There's another way that allows you to collect a number of arbitrary providers +(and also arbitrary configurators) in a single place, called a `DomainContext` and tell +a property method or container to only use providers and configurators from those domain contexts +that are explicitly stated in a `@Domain(Class)` annotation. + +As for ways to implement domain context classes have a look at +[DomainContext](/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainContext.html) +and [AbstractDomainContextBase](/docs/1.3.2/javadoc/net/jqwik/api/domains/AbstractDomainContextBase.html). + + +### Domain example: American Addresses + +Let's say that US postal addresses play a crucial role in the software that we're developing. +That's why there are a couple of classes that represent important domain concepts: +`Street`, `State`, `City` and `Address`. Since we have to generate instances of those classes +for our properties, we collect all arbitrary provision code in +[AmericanAddresses](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/domains/AmericanAddresses.java). +Now look at +[this example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/domains/AddressProperties.java): + +```java +class AddressProperties { + + @Property + @Domain(AmericanAddresses.class) + void anAddressWithAStreetNumber(@ForAll Address anAddress, @ForAll int streetNumber) { + } + + @Property + @Domain(AmericanAddresses.class) + void globalDomainNotPresent(@ForAll Address anAddress, @ForAll String anyString) { + } + + @Property + @Domain(DomainContext.Global.class) + @Domain(AmericanAddresses.class) + void globalDomainCanBeAdded(@ForAll Address anAddress, @ForAll String anyString) { + } +} +``` + +The first two properties above will resolve their arbitraries solely through providers +specified in `AmericanAddresses`, whereas the last one also uses the default (global) context. +Since `AmericanAddresses` does not configure any arbitrary provider for `String` parameters, +property method `globalDomainNotPresent` will fail with a `CannotFindArbitraryException`. + +## Generation from a Type's Interface + +Some domain classes are mostly data holders. They come with constructors +or factory methods to create them and you might want to create different +instances by "just" filling the constructors' parameters with values +that are themselves generated. Using the building blocks you've seen until +now requires the use of `Arbitrary.map()` or even `Combinators.combine(...).as(...)` +to invoke the relevant constructor(s) and/or factories yourself. +There's a simpler way, though... + +Consider a simple `Person` class: + +```java +public class Person { + + private final String name; + private final int age; + + public Person(String name, int age) { + if (name == null || name.trim().isEmpty()) + throw new IllegalArgumentException(); + if (age < 0 || age > 130) + throw new IllegalArgumentException(); + + this.name = name; + this.age = age; + } + + @Override + public String toString() { + return String.format("%s (%d)", name, age); + } +} +``` + +A first step to use arbitrarily generated `Person` objects without having +to write a lot of _jqwik_-specific boiler plat code could look like that: + +```java +@Property +void aPersonsIsAlwaysValid(@ForAll @UseType Person aPerson) { + Assertions.assertThat(aPerson.name).isNotBlank(); + Assertions.assertThat(aPerson.age).isBetween(0, 130); +} +``` + +Notice the annotation `@UseType` which tells _jqwik_ to use the type +information of `Person` to generate it. By default the framework will +use all public constructors and all public, static factory methods in +the class in order to generate instances. Whenever there's an exception during +generation they will be ignored; that way you'll only get valid instances. + +There are quite a few ways usage and configuration options. Have a look +at the [complete example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/types/TypeArbitraryExamples.java) +and check the following api entry points: + +- [UseType](/docs/1.3.2/javadoc/net/jqwik/api/constraints/UseType.html) +- [UseTypeMode](/docs/1.3.2/javadoc/net/jqwik/api/constraints/UseTypeMode.html) +- [Arbitraries.forType()](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#forType-java.lang.Class-) +- [TypeArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/TypeArbitrary.html) + +## Generation of Edge Cases + +It's well-known that many programming bugs and specification gaps happen at the border +of allowed value ranges. For example, in the domain of integer numbers the minimum +(`Integer.MIN_VALUE`) and maximum (`Integer.MAX_VALUE`) belong in the set of those +[_edge cases_](https://en.wikipedia.org/wiki/Edge_case). Many people use the term a bit +more loosely and also include other special values that tend to have a higher chance +of revealing implementation problems, like `0` for numbers or an empty string. + +_jqwik_ has special treatment for edge cases. Most base type arbitraries come with +their set of edge cases. You can find out about edge cases by asking an arbitrary +about it. Run the following example + +```java +@Example +void printEdgeCases() { + System.out.println(Arbitraries.integers().edgeCases()); + System.out.println(Arbitraries.strings().withCharRange('a', 'z').edgeCases()); + System.out.println(Arbitraries.floats().list().edgeCases()); +} +``` + +and you will see this output: + +``` +EdgeCases[-2, -1, 0, 2, 1, -2147483648, 2147483647] +EdgeCases["a", "z", ""] +EdgeCases[[], [0.0], [1.0], [-1.0], [0.01], [-0.01], [-3.4028235E38], [3.4028235E38]] +``` + +You may notice that edge cases are not just hard-coded values but also make use +of underlying arbitraries' edge cases to arrive at new ones. +That's why a list of floats arbitrary has single element lists of floats as edge cases. +Edge cases are also being combined and permuted when +[`Combinators`](#combining-arbitraries) are used. +Also, most methods from `Arbitrary` - like `map()`, `filter()` and `flatMap()` - provide +sensible edge cases behaviour. +Thus, your self-made domain-specific arbitraries get edge cases automatically. + +_jqwik_ makes use of edge cases in two ways: + +1. Whenever an arbitrary is asked to produce a value it will mix-in edge cases + from time to time. +2. By default jqwik will mix the _combination of permutations of edge cases_ + of a property's parameters with purely randomized generation of parameters. + You can even try all edge case combinations first as the next property shows. + +```java +@Property(edgeCases = EdgeCasesMode.FIRST) +void combinedEdgeCasesOfTwoParameters( + @ForAll List intList, + @ForAll @IntRange(min = -100, max = 0) int anInt +) { + String parameters = String.format("%s, %s", intList, anInt); + System.out.println(parameters); +} +``` + +Run it and have a look at the output. + +How jqwik handles edge cases generation can be controlled with +[an annotation property](#optional-property-parameters) and +[a configuration parameter](#jqwik-configuration). + + +### Tuning Edge Cases + +Currently there is only one way to change which edge cases a specific arbitrary generates: +You can switch them off with `Arbitrary.withoutEdgeCases()`. +It would be desirable, though, to optimize edge cases for your domain. +Stay tuned for enhancements! + +## Exhaustive Generation + +Sometimes it is possible to run a property method with all possible value combinations. +Consider the following example: + +```java +@Property +boolean allSquaresOnChessBoardExist( + @ForAll @CharRange(from = 'a', to = 'h') char column, + @ForAll @CharRange(from = '1', to = '8') char row +) { + return new ChessBoard().square(column, row).isOnBoard(); +} +``` + +The property is supposed to check that all valid squares in chess are present +on a new chess board. If _jqwik_ generated the values for `column` and `row` +randomly, 1000 tries might or might not produce all 64 different combinations. +Why not change strategies in cases like that and just iterate through all +possible values? + +This is exactly what _jqwik_ will do: +- As long as it can figure out that the maximum number of possible values + is equal or below a property's `tries` attribute (1000 by default), + all combinations will be generated. +- You can also enforce an exhaustive or randomized generation mode by using the + [Property.generation attribute](#optional-property-parameters). + The default generation mode can be set in the [configuration file](jqwik-configuration). +- If _jqwik_ cannot figure out how to do exhaustive generation for one of the + participating arbitraries it will switch to randomized generation if in auto mode + or throw an exception if in exhaustive mode. + +Exhaustive generation is considered for: +- All integral types +- Characters and chars +- Enums +- Booleans +- Strings +- Fixed number of choices given by `Arbitraries.of()` +- Fixed number of choices given by `Arbitraries.shuffle()` +- Lists, sets, streams, optionals and maps of the above +- Combinations of the above using `Combinators.combine()` +- Mapped arbitraries using `Arbitrary.map()` +- Filtered arbitraries using `Arbitrary.filter()` +- Flat mapped arbitraries using `Arbitrary.flatMap()` +- And a few other derived arbitraries... + + +## Data-Driven Properties + +In addition to the usual randomized generation of property parameters you have also +the possibility to feed a property with preconceived or deterministically generated +parameter sets. Why would you want to do that? One reason might be that you are aware +of some problematic test cases but they are rare enough that _jqwik_'s randomization +strategies don't generate them (often enough). Another reason could be that you'd like +to feed some properties with prerecorded data - maybe even from production. +And last but not least there's a chance that you want to check for a concrete result +given a set of input parameters. + +Feeding data into a property is quite simple: + +```java +@Data +Iterable> fizzBuzzExamples() { + return Table.of( + Tuple.of(1, "1"), + Tuple.of(3, "Fizz"), + Tuple.of(5, "Buzz"), + Tuple.of(15, "FizzBuzz") + ); +} + +@Property +@FromData("fizzBuzzExamples") +void fizzBuzzWorks(@ForAll int index, @ForAll String result) { + Assertions.assertThat(fizzBuzz(index)).isEqualTo(result); +} +``` + +All you have to do is annotate the property method with +`@FromData("dataProviderReference")`. The method you reference must be +annotated with `@Data` and return an object of type `Iterable`. +The [`Table` class](/docs/1.3.2/javadoc/net/jqwik/api/Table.html) +is just a convenient way to create such an object, but you can return +any collection or create an implementation of your own. + +Keep in mind that the `Tuple` subtype you choose must conform to the +number of `@ForAll` parameters in your property method, e.g. `Tuple.Tuple3` +for a method with three parameters. Otherwise _jqwik_ will fail the property +and tell you that the provided data is inconsistent with the method's parameters. + +Data points are fed to the property in their provided order. +The `tries` parameter of `@Property` will constrain the maximum data points +being tried. +Unlike parameterized tests in JUnit4 or Jupiter, _jqwik_ will report only the +first falsified data point. Thus, fixing the first failure might lead to another +falsified data point later on. There is also _no shrinking_ being done for data-driven +properties since _jqwik_ has no information about the constraints under which +the external data was conceived or generated. + +## Rerunning Falsified Properties + +When you rerun properties after they failed, they will - by default - use +the previous random seed so that the next run will generate the exact same +parameter data and thereby expose the same failing behaviour. This simplifies +debugging and regression testing since it makes a property's falsification +stick until the problem has been fixed. + +If you want to, you can change this behaviour for a given property like this: + +```java +@Property(afterFailure = AfterFailureMode.RANDOM_SEED) +void myProperty() { ... } +``` + +The `afterFailure` property can have one of four values: + +- `AfterFailureMode.PREVIOUS_SEED`: Choose the same seed that provoked the failure in the first place. + Provided no arbitrary provider code has been changed, this will generate the same + sequence of generated parameters as the previous test run. + +- `AfterFailureMode.RANDOM_SEED`: Choose a new random seed even after failure in the previous run. + A constant seed will always prevail thought, as in the following example: + + ```java + @Property(seed = "424242", afterFailure = AfterFailureMode.RANDOM_SEED) + void myProperty() { ... } + ``` + +- `AfterFailureMode.SAMPLE_ONLY`: Only run the property with just the last falsified (and shrunk) + generated sample set of parameters. This only works if all parameters could + be serialized. Look into your test run log to check out if a serialization problem occurred. + +- `AfterFailureMode.SAMPLE_FIRST`: Same as `SAMPLE_ONLY` but generate additional examples if the + property no longer fails with the recorded sample. + + +You can also determine the default behaviour of all properties by setting +the `defaultAfterFailure` property in the [configuration file](jqwik-configuration) +to one of those enum values. + +## jqwik Configuration + +_jqwik_ will look for a file `jqwik.properties` in your classpath in which you can configure +a few basic parameters: + +``` +database = .jqwik-database # The database file in which to store data of previous runs. + # Set to empty to fully disable test run recording. +defaultTries = 1000 # The default number of tries for each property +defaultMaxDiscardRatio = 5 # The default ratio before assumption misses make a property fail +useJunitPlatformReporter = false # Set to true if you want to use platform reporting +defaultAfterFailure = PREVIOUS_SEED # Set default behaviour for falsified properties: + # PREVIOUS_SEED, SAMPLE_ONLY or SAMPLE_FIRST +reportOnlyFailures = false # Set to true if only falsified properties should be reported +defaultGeneration = AUTO # Set default behaviour for generation: + # AUTO, RANDOMIZED, or EXHAUSTIVE +defaultEdgeCases = MIXIN # Set default behaviour for edge cases generation: + # FIRST, MIXIN, or NONE +``` + +## Advanced Topics + +### Implement your own Arbitraries and Generators + +Looking at _jqwik_'s most prominent interfaces -- `Arbitrary` and `RandomGenerator` -- you might +think that rolling your own implementations is a reasonable thing to do. +I'd like to tell you that it _never_ is, but I've learned that "never" is a word you should never use. +There's just too many things to consider when implementing a new type of `Arbitrary` +to make it work smoothly with the rest of the framework. + +Therefore, use the innumerable features to combine existing arbitraries into your special one. +If you cannot figure out how to create an arbitrary with the desired behaviour +either [ask on stack overflow](https://stackoverflow.com/questions/tagged/jqwik) +or [open a Github issue](https://github.com/jlink/jqwik/issues). + +### Lifecycle Hooks + +Similar to [Jupiter's Extension Model](https://junit.org/junit5/docs/current/user-guide/#extensions) +_jqwik_ provides a means to extend and change the way how properties and containers are being +configured, run and reported on. The API -- interfaces, classes and annotations -- for accessing +those _lifecycle hooks_ lives in the package `net.jqwik.api.lifecycle` and is -- as of this release -- +still in the [API evolution status](#api-evolution) `EXPERIMENTAL`: Some parts of it will probably +change without notice in later versions. + +#### Principles of Lifecycle Hooks + +There are a few fundamental principles that determine and constrain the lifecycle hook API: + +1. There are several [types of lifecycle hooks](#lifecycle-hook-types), + each of which is an interface that extends + [`net.jqwik.api.lifecycle.LifecycleHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/LifecycleHook.html). +2. A concrete lifecycle hook is an implementation of one or more lifecycle hook interfaces. +3. You can add a concrete lifecycle hook to a container class or a property method with the annotation + [`@AddLifecycleHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AddLifecycleHook.html). + By default, a lifecycle hook is only added to the annotated element, not to its children. + However, you can override this behaviour by either: + - Override `LifecycleHook.propagateTo()` + - Use the annotation attribute `@AddLifecycleHook.propagateTo()` +4. To add a global lifecycle use Java’s `java.util.ServiceLoader` mechanism and add the concrete lifecylcle hook + class to file `META-INF/services/net.jqwik.api.lifecycle.LifecycleHook`. + Do not forget to override `LifecycleHook.propagateTo()` if the global hook should be applied to all test elements. +5. In a single test run there will only be a single instance of each concrete lifecycle hook implementation. + That's why you have to use jqwik's [lifecycle storage](#lifecycle-storage) mechanism if shared state + across several calls to lifecycle methods is necessary. +6. Since all instances of lifecycle hooks are created before the whole test run is started, + you cannot use non-static inner classes of test containers to implement lifecycle interfaces. +7. If relevant, the order in which hook methods are being applied is determined by dedicated methods + in the hook interface, e.g. + [`BeforeContainerHook.beforeContainerProximity()`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeContainerHook.html#beforeContainerProximity--). + +Mind that much of what you can do with hooks can also be done using the simpler +mechanisms of [annotated lifecycle methods](#annotated-lifecycle-methods) or +a [property lifecycle class](#single-property-lifecycle). +You usually start to consider using lifecycle hooks when you want to +reuse generic behaviour in many places or even across projects. + + +#### Lifecycle Hook Types + +All lifecycle hook interfaces extend `net.jqwik.api.lifecycle.LifecycleHook` which +has two methods that may be overridden: + +- [`propagateTo()`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/LifecycleHook.html#propagateTo--): + Determine if and how a hook will be propagated to an element's children. + +- [`appliesTo(Optional)`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/LifecycleHook.html#appliesTo-java.util.Optional-): + Determine if a hook will be applied to a concrete element. For example, you might want to constrain a certain hook + to apply only to property methods and not to containers: + + ```java + @Override + public boolean appliesTo(final Optional element) { + return element + .map(annotatedElement -> annotatedElement instanceof Method) + .orElse(false); + } + ``` + +_jqwik_ currently supports eight types of lifecycle hooks: + +- [Lifecycle execution hooks](#lifecycle-execution-hooks): + - `SkipExecutionHook` + - `BeforeContainerHook` + - `AfterContainerHook` + - `AroundContainerHook` + - `AroundPropertyHook` + - `AroundTryHook` + +- [Other hooks](#other-hooks) + - `ResolveParameterHook` + - `RegistrarHook` + +#### Lifecycle Execution Hooks + +With these hooks you can determine if a test element will be run at all, +and what potential actions should be done before or after running it. + +##### SkipExecutionHook + +Implement [`SkipExecutionHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/SkipExecutionHook.html) +to filter out a test container or property method depending on some runtime condition. + +Given this hook implementation: + +```java +public class OnMacOnly implements SkipExecutionHook { + @Override + public SkipResult shouldBeSkipped(final LifecycleContext context) { + if (System.getProperty("os.name").equals("Mac OS X")) { + return SkipResult.doNotSkip(); + } + return SkipResult.skip("Only on Mac"); + } +} +``` + +The following property will only run on a Mac: + +```java +@Property +@AddLifecycleHook(OnMacOnly.class) +void macSpecificProperty(@ForAll int anInt) { +} +``` + +##### BeforeContainerHook + +Implement [`BeforeContainerHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeContainerHook.html) +for a hook that's supposed to do some work exactly once before any of its property methods and child containers +will be run. +This is typically used to set up a resource to share among all properties within this container. + +##### AfterContainerHook + +Implement [`AfterContainerHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterContainerHook.html) +for a hook that's supposed to do some work exactly once after all of its property methods and child containers +have been run. +This is typically used to tear down a resource that has been shared among all properties within this container. + +##### AroundContainerHook + +[`AroundContainerHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundContainerHook.html) +is a convenience interface to implement both [`BeforeContainerHook`](#beforecontainerhook) and +[`AfterContainerHook`](#aftercontainerhook) in one go. +This is typically used to set up and tear down a resource that is intended to be shared across all the container's children. + +Here's an example that shows how to start and stop an external server once for all +properties of a test container: + +```java +@AddLifecycleHook(ExternalServerResource.class) +class AroundContainerHookExamples { + @Example + void example1() { + System.out.println("Running example 1"); + } + @Example + void example2() { + System.out.println("Running example 2"); + } +} + +class ExternalServerResource implements AroundContainerHook { + @Override + public void beforeContainer(final ContainerLifecycleContext context) { + System.out.println("Starting server..."); + } + + @Override + public void afterContainer(final ContainerLifecycleContext context) { + System.out.println("Stopping server..."); + } +} +``` + +Running this example should output + +``` +Starting server... + +Running example 1 + +Running example 2 + +Stopping server... +``` + +If you wanted to do something before and/or after _the whole jqwik test run_, +using a container hook and registering it globally is probably the easiest way. + +##### AroundPropertyHook + +[`AroundPropertyHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundPropertyHook.html) +comes in handy if you need to define behaviour that should "wrap" the execution of a property, +i.e., do something directly before or after running a property - or both. +Since you have access to an object that describes the final result of a property +you can also change the result, e.g. make a failed property successful or vice versa. + +Here is a hook implementation that will measure the time spent on running a property +and publish the result using a [`Reporter`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/Reporter.html): + +```java +@Property(tries = 100) +@AddLifecycleHook(MeasureTime.class) +void measureTimeSpent(@ForAll Random random) throws InterruptedException { + Thread.sleep(random.nextInt(50)); +} + +class MeasureTime implements AroundPropertyHook { + @Override + public PropertyExecutionResult aroundProperty(PropertyLifecycleContext context, PropertyExecutor property) { + long before = System.currentTimeMillis(); + PropertyExecutionResult executionResult = property.execute(); + long after = System.currentTimeMillis(); + context.reporter().publish("time", String.format("%d ms", after - before)); + return executionResult; + } +} +``` + +The additional output from reporting is concise: + +``` +timestamp = ..., time = 2804 ms +``` + +##### AroundTryHook + +Wrapping the execution of a single try can be achieved by implementing +[`AroundTryHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundTryHook.html). +This hook can be used for a lot of things. An incomplete list: + +- Closely watch each execution of a property method +- Reset a resource for each call +- Swallow certain exceptions +- Filter out tricky (and invalid) parameter constellations +- Let a try fail depending on external circumstances + +The following example shows how to fail if a single try will take longer than 100 ms: + +```java +@Property(tries = 10) +@AddLifecycleHook(FailIfTooSlow.class) +void sleepingProperty(@ForAll Random random) throws InterruptedException { + Thread.sleep(random.nextInt(101)); +} + +class FailIfTooSlow implements AroundTryHook { + @Override + public TryExecutionResult aroundTry( + final TryLifecycleContext context, + final TryExecutor aTry, + final List parameters + ) { + long before = System.currentTimeMillis(); + TryExecutionResult result = aTry.execute(parameters); + long after = System.currentTimeMillis(); + long time = after - before; + if (time >= 100) { + String message = String.format("%s was too slow: %s ms", context.label(), time); + return TryExecutionResult.falsified(new AssertionFailedError(message)); + } + return result; + } +} +``` + +Since the sleep time is chosen randomly the property will fail from time to time +with the following error: + +``` +org.opentest4j.AssertionFailedError: sleepingProperty was too slow: 100 ms +``` + +#### Other Hooks + +##### ResolveParameterHook + +Besides the well-known `@ForAll`-parameters, property methods and [annotated lifecycle methods](#annotated-lifecycle-methods) +can take other parameters as well. These can be injected by concrete implementations of +[`ResolveParameterHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/ResolveParameterHook.html). + +Consider this stateful `Calculator`: + +```java +public class Calculator { + private int result = 0; + + public int result() { + return result; + } + + public void plus(int addend) { + result += addend; + } +} +``` + +When going to check its behaviour with properties you'll need a fresh calculator instance +in each try. This can be achieved by adding a resolver hook that creates a freshly +instantiated calculator per try. + +```java +@AddLifecycleHook(CalculatorResolver.class) +class CalculatorProperties { + @Property + void addingANumberTwice(@ForAll int aNumber, Calculator calculator) { + calculator.plus(aNumber); + calculator.plus(aNumber); + Assertions.assertThat(calculator.result()).isEqualTo(aNumber * 2); + } +} + +class CalculatorResolver implements ResolveParameterHook { + @Override + public Optional resolve( + final ParameterResolutionContext parameterContext, + final LifecycleContext lifecycleContext + ) { + return Optional.of(optionalTry -> new Calculator()); + } + @Override + public PropagationMode propagateTo() { + // Allow annotation on container level + return PropagationMode.ALL_DESCENDANTS; + } +} +``` + +There are a few constraints regarding parameter resolution of which you should be aware: + +- Parameters annotated with `@ForAll` or with `@ForAll` present as a meta annotation + (see [Self-Made Annotations](#self-made-annotations)) cannot be resolved; + they are fully controlled by jqwik's arbitrary-based generation mechanism. +- If more than one applicable hook returns a non-empty instance of `Optional` + the property will throw an instance of `CannotResolveParameterException`. +- If you want to keep the same object around to inject it in more than a single method invocation, + e.g. for setting it up in a `@BeforeTry`-method, you are supposed to use jqwik's + [lifecycle storage mechanism](#lifecycle-storage). + + +##### RegistrarHook + +Use [`RegistrarHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/RegistrarHook.html) +if you need to apply several hook implementations that implement the desired behaviour together +but cannot be implemented in a single class. +For example, more than one implementation of the same hook type is needed, +but those implementations have a different proximity or require a different propagation mode. + +This is really advanced stuff, the mechanism of which will probably evolve or change in the future. +If you really really want to see an example, look at +[`JqwikSpringExtension`](#https://github.com/jlink/jqwik-spring/blob/main/src/main/java/net/jqwik/spring/JqwikSpringExtension.java) + +#### Lifecycle Storage + +As [described above](#principles-of-lifecycle-hooks) one of the fundamental principles +is that there will be only a single instance of any lifecycle hook implementation +during runtime. +Since -- depending on configuration and previous rung -- containers and properties are +not run in a strict sequential order this guarantee comes with a drawback: +You cannot use a hook instance's member variables to hold state that should be shared +across all tries of a property or across all properties of a container or across +different lifecycle phases of a single try. +That's when lifecycle storage management enters the stage in the form of type +[`net.jqwik.api.lifecycle.Store`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/Store.html). + +A `Store` object... + +- holds a single piece of shared state +- has a _globally unique identifier_ of your choice. + The identifier can be just a string or you compose whatever you deem necessary to make it unique. +- has a [`Lifespan`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/Lifespan.html). + The lifespan determines when the initializer of a store will be called: + - `Lifespan.RUN`: Only on first access + - `Lifespan.PROPERTY`: On first access of each single property method (or one of its lifecycle hook methods) + - `Lifespan.TRY`: On first access of each single try (or one of its lifecycle hook methods) + +You create a store like this: + +```java +Store myObjectStore = Store.create("myObjectStore", Lifespan.PROPERTY, () -> new MyObject()); +``` + +And you retrieve a store similarly: + +```java +Store myObjectStore = Store.get("myObjectStore"); +``` + +A store with the same identifier can only be created once, that's why there is also a convenience +method for creating or retrieving it: + +```java +Store myObjectStore = Store.getOrCreate("myObjectStore", Lifespan.PROPERTY, () -> new MyObject()); +``` + +You now have the choice to use or update the shared state: + +```java +Store myObjectStore = ...; + +myObjectStore.get().doSomethingWithMyObject(); +myObjectStore.update(old -> { + old.changeState(); + return old; +}); +``` + +Let's look at an example... + +##### TemporaryFileHook + +The following hook implementation gives you the capability to access _one_ (and only one) +temporary file per try using [parameter resolution](#resolveparameterhook): + +```java +class TemporaryFileHook implements ResolveParameterHook { + + public static final Tuple.Tuple2 STORE_IDENTIFIER = Tuple.of(TemporaryFileHook.class, "temporary files"); + + @Override + public Optional resolve(ParameterResolutionContext parameterContext, LifecycleContext lifecycleContext) { + if (parameterContext.typeUsage().isOfType(File.class)) { + return Optional.of(ignoreTry -> getTemporaryFileForTry()); + } + return Optional.empty(); + } + + private File getTemporaryFileForTry() { + Store tempFileStore = Store.getOrCreate(STORE_IDENTIFIER, Lifespan.TRY, this::createTempFile); + tempFileStore.onClose(file -> file.delete()); + return tempFileStore.get(); + } + + private File createTempFile() { + try { + return File.createTempFile("temp", ".txt"); + } catch (IOException e) { + throw new RuntimeException(e); + } + } +} +``` + +There are a few interesting things going on: + +- The identifier is a tuple of the `TemporaryFileHook.class` object and a string. + This makes sure that no other hook will use the same identifier accidentally. +- The temporary file is created only once per try. + That means that all parameters in the scope of this try will contain _the same file_. +- A callback is added through + [`onClose(..)`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/Store.html#onClose-java.util.function.Consumer-) + which takes care of deleting the file as soon as the lifespan's scope (the try) is finished. + +With this information you can probably figure out how the following test container works -- +especially why the assertion in `@AfterTry`-method `assertFileNotEmpty()` succeeds. + +```java +@AddLifecycleHook(value = TemporaryFileHook.class, propagateTo = PropagationMode.ALL_DESCENDANTS) +class TemporaryFilesExample { + @Property(tries = 10) + void canWriteToFile(File anyFile, @ForAll @AlphaChars @StringLength(min = 1) String fileContents) throws Exception { + assertThat(anyFile).isEmpty(); + writeToFile(anyFile, fileContents); + assertThat(anyFile).isNotEmpty(); + } + + @AfterTry + void assertFileNotEmpty(File anyFile) { + assertThat(anyFile).isNotEmpty(); + } + + private void writeToFile(File anyFile, String contents) throws IOException { + BufferedWriter writer = new BufferedWriter(new FileWriter(anyFile)); + writer.write(contents); + writer.close(); + } +} +``` + +## API Evolution + +In agreement with the JUnit 5 platform _jqwik_ uses the +[@API Guardian project](https://github.com/apiguardian-team/apiguardian) +to communicate version and status of all parts of its API. +The different types of status are: + +-`STABLE`: Intended for features that will not be changed in a backwards-incompatible way in the current major version (1.*). + +-`MAINTAINED`: Intended for features that will not be changed in a backwards-incompatible way for at least the current minor release of the current major version. If scheduled for removal, it will be demoted to `DEPRECATED` first. + +-`EXPERIMENTAL`: Intended for new, experimental features where we are looking for feedback. Use this element with caution; it might be promoted to `MAINTAINED` or `STABLE` in the future, but might also be removed without prior notice, even in a patch. + +-`DEPRECATED`: Should no longer be used; might disappear in the next minor release. + +-`INTERNAL`: Must not be used by any code other than _jqwik_ itself. Might be removed without prior notice. + +Since annotation `@API` has runtime retention you find the actual API status in an element's source code, +its [Javadoc](/docs/1.3.2/javadoc) but also through reflection. +If a certain element, e.g. a method, is not annotated itself, then it carries the status of its containing class. + + +## Release Notes + +Read this version's [release notes](/release-notes.html#132). diff --git a/docs/docs/current/javadoc/index.html b/docs/docs/current/javadoc/index.html index 72fe726ba..66d95de84 100644 --- a/docs/docs/current/javadoc/index.html +++ b/docs/docs/current/javadoc/index.html @@ -2,10 +2,10 @@ jqwik Javadoc - + -

Redirect to latest version

+

Redirect to latest version

diff --git a/docs/docs/current/user-guide.md b/docs/docs/current/user-guide.md index b522f66da..b7ed79b7a 100644 --- a/docs/docs/current/user-guide.md +++ b/docs/docs/current/user-guide.md @@ -1,8 +1,8 @@ --- -title: jqwik User Guide - 1.3.1 +title: jqwik User Guide - 1.3.2 ---

The jqwik User Guide -1.3.1 +1.3.2

@@ -19,7 +19,7 @@ title: jqwik User Guide - 1.3.1 - [Project without Build Tool](#project-without-build-tool) - [Creating a Property](#creating-a-property) - [Failure Reporting](#failure-reporting) - - [Additional Reporting](#additional-reporting) + - [Additional Reporting Options](#additional-reporting-options) - [Optional `@Property` Parameters](#optional-property-parameters) - [Creating an Example-based Test](#creating-an-example-based-test) - [Assertions](#assertions) @@ -58,8 +58,9 @@ title: jqwik User Guide - 1.3.1 - [Integrals](#integrals) - [Decimals](#decimals) - [Random Numeric Distribution](#random-numeric-distribution) - - [Collections, Streams, Arrays and Optional](#collections-streams-arrays-and-optional) + - [Collections, Streams, Iterators and Arrays](#collections-streams-iterators-and-arrays) - [Collecting Values in a List](#collecting-values-in-a-list) + - [Optional](#optional) - [Tuples of same base type](#tuples-of-same-base-type) - [Maps](#maps) - [Functional Types](#functional-types) @@ -98,6 +99,7 @@ title: jqwik User Guide - 1.3.1 - [Switch Shrinking Off](#switch-shrinking-off) - [Switch Shrinking to Full Mode](#switch-shrinking-to-full-mode) - [Change the Shrinking Target](#change-the-shrinking-target) +- [Platform Reporting with Reporter Object](#platform-reporting-with-reporter-object) - [Collecting and Reporting Statistics](#collecting-and-reporting-statistics) - [Labeled Statistics](#labeled-statistics) - [Statistics Report Formatting](#statistics-report-formatting) @@ -173,7 +175,7 @@ repositories { ext.junitPlatformVersion = '1.6.2' ext.junitJupiterVersion = '5.6.2' -ext.jqwikVersion = '1.3.1' +ext.jqwikVersion = '1.3.2' compileTestJava { // To enable argument names in reporting and debugging @@ -269,7 +271,7 @@ Additionally you have to add the following dependency to your `pom.xml` file: net.jqwik jqwik - 1.3.1 + 1.3.2 test @@ -297,7 +299,7 @@ will allow you to use _jqwik_'s snapshot release which contains all the latest f I've never tried it but using jqwik without gradle or some other tool to manage dependencies should also work. You will have to add _at least_ the following jars to your classpath: -- `jqwik-1.3.1.jar` +- `jqwik-1.3.2.jar` - `junit-platform-engine-1.6.2.jar` - `junit-platform-commons-1.6.2.jar` - `opentest4j-1.2.0.jar` @@ -308,10 +310,10 @@ _Properties_ are the core concept of [property-based testing](/#properties). You create a _Property_ by annotating a `public`, `protected` or package-scoped method with -[`@Property`](/docs/1.3.1/javadoc/net/jqwik/api/Property.html). +[`@Property`](/docs/1.3.2/javadoc/net/jqwik/api/Property.html). In contrast to examples a property method is supposed to have one or more parameters, all of which must be annotated with -[`@ForAll`](/docs/1.3.1/javadoc/net/jqwik/api/ForAll.html). +[`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html). At test runtime the exact parameter values of the property method will be filled in by _jqwik_. @@ -329,7 +331,7 @@ The first failed execution will stop value generation and be reported as failure - usually followed by an attempt to [shrink](#result-shrinking) the falsified parameter set. -[Here](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/PropertyBasedTests.java) +[Here](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/PropertyBasedTests.java) are two properties whose failures might surprise you: ```java @@ -362,7 +364,11 @@ Other kinds of parameters can be injected through the [resolve parameter hook](# If a property fails then jqwik's reporting is more thorough: - Report the relevant exception, usually a subtype of `AssertionError` - Report the property's base parameters -- Report both the original failing sample and the shrunk sample +- Report both the original failing sample and the shrunk sample. + + **Caveat**: The samples are reported _after their use_ in the property method. + That means that mutable objects that are being changed during a property show + their final state, not the state in which the arbitrary generated them. In the case of `lengthOfConcatenatedStringIsGreaterThanLengthOfEach` from above the report looks like that: @@ -401,14 +407,14 @@ _jqwik_ goes for structured reporting with collections, arrays and maps. If you want to provide nice reporting for your own domain classes you can either - implement a potentially multiline `toString()` method or -- register an implementation of [`net.jqwik.api.SampleReportingFormat`](/docs/1.3.1/javadoc/net/jqwik/api/SampleReportingFormat.html) +- register an implementation of [`net.jqwik.api.SampleReportingFormat`](/docs/1.3.2/javadoc/net/jqwik/api/SampleReportingFormat.html) through Java’s `java.util.ServiceLoader` mechanism. -### Additional Reporting +### Additional Reporting Options You can switch on additional reporting aspects by adding a -[`@Report(Reporting[])` annotation](/docs/1.3.1/javadoc/net/jqwik/api/Property.html) +[`@Report(Reporting[])` annotation](/docs/1.3.2/javadoc/net/jqwik/api/Property.html) to a property method. The following reporting aspects are available: @@ -417,10 +423,12 @@ The following reporting aspects are available: - `Reporting.FALSIFIED` will report each set of parameters that is falsified during shrinking. +Unlike sample reporting these reports will show _the freshly generated parameters_, +i.e. potential changes to mutable objects during property execution cannot be seen here. ### Optional `@Property` Parameters -The [`@Property`](/docs/1.3.1/javadoc/net/jqwik/api/Property.html) +The [`@Property`](/docs/1.3.2/javadoc/net/jqwik/api/Property.html) annotation has a few optional values: - `int tries`: The number of times _jqwik_ tries to generate parameter values for this method. @@ -504,7 +512,7 @@ seed = 42859154278924201 _jqwik_ also supports example-based testing. In order to write an example test annotate a `public`, `protected` or package-scoped method with -[`@Example`](/docs/1.3.1/javadoc/net/jqwik/api/Example.html). +[`@Example`](/docs/1.3.2/javadoc/net/jqwik/api/Example.html). Example-based tests work just like plain JUnit-style test cases. A test case method must @@ -513,7 +521,7 @@ A test case method must - or return nothing (`void`) in which case you will probably use [assertions](#assertions) in order to verify the test condition. -[Here](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/ExampleBasedTests.java) +[Here](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/ExampleBasedTests.java) is a test class with two example-based tests: ```java @@ -557,8 +565,8 @@ consists of two main types of elements: - __Containers__: The root engine container, container classes and embedded container classes (those annotated with `@Group`) - __Properties__: Methods annotated with - [`@Property`](/docs/1.3.1/javadoc/net/jqwik/api/Property.html) or - [`@Example`](/docs/1.3.1/javadoc/net/jqwik/api/Example.html). + [`@Property`](/docs/1.3.2/javadoc/net/jqwik/api/Property.html) or + [`@Example`](/docs/1.3.2/javadoc/net/jqwik/api/Example.html). An _example_ is just a property with a single _try_ (see below). So a typical tree might look like: @@ -635,22 +643,22 @@ The other way to influence all elements of a test run is through annotated lifec methods, which you might already know from JUnit 4 and 5. _jqwik_ currently has eight annotations: -- [`@BeforeContainer`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/BeforeContainer.html): +- [`@BeforeContainer`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeContainer.html): _Static_ methods with this annotation will run exactly once before any property of a container class will be executed, even before the first instance of this class will be created. -- [`@AfterContainer`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/AfterContainer.html): +- [`@AfterContainer`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterContainer.html): _Static_ methods with this annotation will run exactly once after all properties of a container class have run. -- [`@BeforeProperty`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/BeforeProperty.html): +- [`@BeforeProperty`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeProperty.html): Methods with this annotation will run once before each property or example. `@BeforeExample` is an alias with the same functionality. -- [`@AfterProperty`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/AfterProperty.html): +- [`@AfterProperty`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterProperty.html): Methods with this annotation will run once after each property or example. `@AfterExample` is an alias with the same functionality. -- [`@BeforeTry`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/BeforeTry.html): +- [`@BeforeTry`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeTry.html): Methods with this annotation will run once before each try, i.e. execution of a property or example method. -- [`@AfterTry`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/AfterTry.html): +- [`@AfterTry`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterTry.html): Methods with this annotation will run once after each try, i.e. execution of a property or example method. @@ -750,7 +758,7 @@ private class SucceedIfThrowsAssertionError implements PerProperty.Lifecycle { } ``` -Have a look at [`PerProperty.Lifecycle`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/PerProperty.Lifecycle.html) +Have a look at [`PerProperty.Lifecycle`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/PerProperty.Lifecycle.html) to find out which aspects of a property's lifecycle you can control. @@ -763,7 +771,7 @@ maintainability of your tests. Groups can be nested and there lifecycle is also nested, that means that the lifecycle of a test class is also applied to inner groups of that container. -Have a look at [this example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/TestsWithGroups.java): +Have a look at [this example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/TestsWithGroups.java): ```java import net.jqwik.api.*; @@ -811,7 +819,7 @@ If you want to tweak display names even more, test container classes, groups, example methods and property methods can be labeled using the annotation `@Label("a label")`. This label will be used to display the element in test reports or within the IDE. -[In the following example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/NamingExamples.java), +[In the following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/NamingExamples.java), every test relevant element has been labeled: ```java @@ -853,7 +861,7 @@ Those tag can be used to filter the set of tests Tags are handed down from container (class or group) to its children (test methods or groups). Have a look at -[the following example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/TaggingExamples.java). +[the following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/TaggingExamples.java). Including the tag `integration-test` will include all tests of the class. @@ -872,13 +880,13 @@ class TaggingExamples { ``` Tags must follow certain rules as described -[here](/docs/1.3.1/javadoc/net/jqwik/api/Tag.html) +[here](/docs/1.3.2/javadoc/net/jqwik/api/Tag.html) ## Disabling Tests From time to time you might want to disable a test or all tests in a container temporarily. You can do that by adding the -[`@Disabled`](/docs/1.3.1/javadoc/net/jqwik/api/Disabled.html) annotation +[`@Disabled`](/docs/1.3.2/javadoc/net/jqwik/api/Disabled.html) annotation to a property method or a container class. ```java @@ -904,7 +912,7 @@ _Jqwik_ will refuse to execute methods that have Jupiter annotations. ## Default Parameter Generation _jqwik_ tries to generate values for those property method parameters that are -annotated with [`@ForAll`](/docs/1.3.1/javadoc/net/jqwik/api/ForAll.html). If the annotation does not have a `value` parameter, +annotated with [`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html). If the annotation does not have a `value` parameter, jqwik will use default generation for the following types: - `Object` @@ -925,7 +933,7 @@ jqwik will use default generation for the following types: - `java.util.Random` - [Functional Types](#functional-types) -If you use [`@ForAll`](/docs/1.3.1/javadoc/net/jqwik/api/ForAll.html) +If you use [`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html) with a value, e.g. `@ForAll("aMethodName")`, the method referenced by `"aMethodName"` will be called to provide an Arbitrary of the required type (see [Parameter Provider Methods](#parameter-provider-methods)). @@ -937,14 +945,14 @@ depending on the requested parameter type. #### Allow Null Values -- [`@WithNull(double value = 0.1)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/WithNull.html): +- [`@WithNull(double value = 0.1)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/WithNull.html): Inject `null` into generated values with a probability of `value`. Works for all generated types. #### Unique Values -- [`@Unique`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/Unique.html): +- [`@Unique`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Unique.html): Prevent duplicate values to be generated _per try_. That means that there can still be duplicate values across several tries. That also means that `@Unique` only makes sense as annotation for a parameter type, e.g.: @@ -963,10 +971,10 @@ depending on the requested parameter type. #### String Length -- [`@StringLength(int value = 0, int min = 0, int max = 0)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/StringLength.html): +- [`@StringLength(int value = 0, int min = 0, int max = 0)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/StringLength.html): Set either fixed length through `value` or configure the length range between `min` and `max`. -- [`@NotEmpty`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/NotEmpty.html): +- [`@NotEmpty`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/NotEmpty.html): Set minimum length to `1`. #### Character Sets @@ -981,65 +989,65 @@ will not be generated unless you explicitly include them using You can use the following annotations to restrict the set of allowed characters and even combine several of them: -- [`@Chars(chars[] value = {})`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/Chars.html): +- [`@Chars(chars[] value = {})`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Chars.html): Specify a set of characters. This annotation can be repeated which will add up all allowed chars. -- [`@CharRange(char from = 0, char to = 0)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/CharRange.html): +- [`@CharRange(char from = 0, char to = 0)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/CharRange.html): Specify a start and end character. This annotation can be repeated which will add up all allowed chars. -- [`@NumericChars`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/NumericChars.html): +- [`@NumericChars`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/NumericChars.html): Use digits `0` through `9` -- [`@LowerChars`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/LowerChars.html): +- [`@LowerChars`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/LowerChars.html): Use lower case chars `a` through `z` -- [`@UpperChars`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/UpperChars.html): +- [`@UpperChars`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/UpperChars.html): Use upper case chars `A` through `Z` -- [`@AlphaChars`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/AlphaChars.html): +- [`@AlphaChars`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/AlphaChars.html): Lower and upper case chars are allowed. -- [`@Whitespace`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/Whitespace.html): +- [`@Whitespace`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Whitespace.html): All whitespace characters are allowed. They work for generated `String`s and `Character`s. #### List, Set, Stream, Map and Array Size -- [`@Size(int value = 0, int min = 0, int max = 0)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/Size.html): +- [`@Size(int value = 0, int min = 0, int max = 0)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Size.html): Set either fixed size through `value` or configure the size range between `min` and `max`. -- [`@NotEmpty`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/NotEmpty.html): +- [`@NotEmpty`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/NotEmpty.html): Set minimum size to `1`. #### Integer Constraints -- [`@ByteRange(byte min = 0, byte max = Byte.MAX_VALUE)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/ByteRange.html): +- [`@ByteRange(byte min = 0, byte max = Byte.MAX_VALUE)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/ByteRange.html): For `Byte` and `byte` only. -- [`@ShortRange(short min = 0, short max = Short.MAX_VALUE)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/ShortRange.html): +- [`@ShortRange(short min = 0, short max = Short.MAX_VALUE)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/ShortRange.html): For `Short` and `short` only. -- [`@IntRange(int min = 0, int max = Integer.MAX_VALUE)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/IntRange.html): +- [`@IntRange(int min = 0, int max = Integer.MAX_VALUE)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/IntRange.html): For `Integer` and `int` only. -- [`@LongRange(long min = 0L, long max = Long.MAX_VALUE)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/LongRange.html): +- [`@LongRange(long min = 0L, long max = Long.MAX_VALUE)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/LongRange.html): For `Long` and `long` only. -- [`@BigRange(String min = "", String max = "")`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/BigRange.html): +- [`@BigRange(String min = "", String max = "")`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/BigRange.html): For `BigInteger` generation. -- [`@Positive`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/Positive.html): +- [`@Positive`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Positive.html): Numbers larger than `0`. For all integral types. -- [`@Negative`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/Negative.html): +- [`@Negative`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Negative.html): Numbers lower than `0`. For all integral types. #### Decimal Constraints -- [`@FloatRange(float min = 0.0f, minIncluded = true, float max = Float.MAX_VALUE, maxIncluded = true)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/FloatRange.html): +- [`@FloatRange(float min = 0.0f, minIncluded = true, float max = Float.MAX_VALUE, maxIncluded = true)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/FloatRange.html): For `Float` and `float` only. -- [`@DoubleRange(double min = 0.0, minIncluded = true, double max = Double.MAX_VALUE, boolean maxIncluded = true)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/DoubleRange.html): +- [`@DoubleRange(double min = 0.0, minIncluded = true, double max = Double.MAX_VALUE, boolean maxIncluded = true)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/DoubleRange.html): For `Double` and `double` only. -- [`@BigRange(String min = "", minIncluded = true, String max = "", maxIncluded = true)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/BigRange.html): +- [`@BigRange(String min = "", minIncluded = true, String max = "", maxIncluded = true)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/BigRange.html): For `BigDecimal` generation. -- [`@Scale(int value)`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/Scale.html): +- [`@Scale(int value)`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Scale.html): Specify the maximum number of decimal places. For all decimal types. -- [`@Positive`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/Positive.html): +- [`@Positive`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Positive.html): Numbers larger than `0.0`. For all decimal types. -- [`@Negative`](/docs/1.3.1/javadoc/net/jqwik/api/constraints/Negative.html): +- [`@Negative`](/docs/1.3.2/javadoc/net/jqwik/api/constraints/Negative.html): Numbers lower than `0.0`. For all decimal types. ### Constraining parameterized types @@ -1062,7 +1070,7 @@ _jqwik_ can also handle type variables and wildcard types. The handling of upper bounds works mostly as you would expect it. Consider -[the following examples](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/VariableTypedPropertyExamples.java): +[the following examples](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/VariableTypedPropertyExamples.java): ```java class VariableTypedPropertyExamples { @@ -1102,7 +1110,7 @@ _in the same call to the method_! ## Self-Made Annotations You can [make your own annotations](http://junit.org/junit5/docs/5.0.0/user-guide/#writing-tests-meta-annotations) -instead of using _jqwik_'s built-in ones. BTW, '@Example' is nothing but a plain annotation using [`@Property`](/docs/1.3.1/javadoc/net/jqwik/api/Property.html) +instead of using _jqwik_'s built-in ones. BTW, '@Example' is nothing but a plain annotation using [`@Property`](/docs/1.3.2/javadoc/net/jqwik/api/Property.html) as "meta"-annotation. The following example provides an annotation to constrain String or Character generation to German letters only: @@ -1134,7 +1142,7 @@ of values programmatically. The means to do that are _provider methods_. ### Parameter Provider Methods Look at the -[following example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/ProvideMethodExamples.java): +[following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/ProvideMethodExamples.java): ```java @Property @@ -1158,14 +1166,14 @@ Arbitrary numbers() { } ``` -The String value of the [`@ForAll`](/docs/1.3.1/javadoc/net/jqwik/api/ForAll.html) +The String value of the [`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html) annotation serves as a reference to a method within the same class (or one of its superclasses or owning classes). This reference refers to either the method's name or the String value of the method's `@Provide` annotation. The providing method has to return an object of type -[`@Arbitrary`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html) +[`@Arbitrary`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html) where `T` is the static type of the parameter to be provided. Optionally the provider method can take tow optional parameters: @@ -1211,11 +1219,11 @@ String elements are generated using the arbitrary from the method `shortStrings` ### Static `Arbitraries` methods The starting point for generation usually is a static method call on class -[`Arbitraries`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html). +[`Arbitraries`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html). #### Generate values yourself -- [`Arbitrary randomValue(Function generator)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#randomValue-java.util.function.Function-): +- [`Arbitrary randomValue(Function generator)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#randomValue-java.util.function.Function-): Take a `random` instance and create an object from it. Those values cannot be [shrunk](#result-shrinking), though. @@ -1235,34 +1243,34 @@ The starting point for generation usually is a static method call on class } ``` -- [`Arbitrary fromGenerator(RandomGenerator generator)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#fromGenerator-net.jqwik.api.RandomGenerator-): +- [`Arbitrary fromGenerator(RandomGenerator generator)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#fromGenerator-net.jqwik.api.RandomGenerator-): If the number of _tries_ influences value generation or if you want to allow for [shrinking](#result-shrinking) you have to provide your own `RandomGenerator` implementation. #### Select or generate values randomly -- [`Arbitrary of(U... values)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#of-U...-): +- [`Arbitrary of(U... values)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#of-U...-): Choose randomly from a list of values. Shrink towards the first one. -- [`Arbitrary ofSuppliers(Supplier... valueSuppliers)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#ofSuppliers-java.util.function.Supplier...-): +- [`Arbitrary ofSuppliers(Supplier... valueSuppliers)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#ofSuppliers-java.util.function.Supplier...-): Choose randomly from a list of value suppliers and get the object from this supplier. This is useful when dealing with mutable objects where `Arbitrary.of(..)` would reuse a potentially changed object. -- [`Arbitrary constant(T constantValue)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#constant-T-): +- [`Arbitrary just(T constantValue)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#just-T-): Always provide the same constant value in each try. Mostly useful to combine with other arbitraries. -- [`Arbitrary of(Class enumClass)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#of-java.lang.Class-): +- [`Arbitrary of(Class enumClass)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#of-java.lang.Class-): Choose randomly from all values of an `enum`. Shrink towards first enum value. -- [`Arbitrary create(Supplier supplier)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#constant-java.util.function.Supplier-): +- [`Arbitrary create(Supplier supplier)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#create-java.util.function.Supplier-): In each try use a new unshrinkable instance of type `T` using `supplier` to freshly create it. - This is useful when dealing with mutable objects where `Arbitrary.constant()` may reuse a changed object. + This is useful when dealing with mutable objects where `Arbitrary.just()` may reuse a changed object. #### Select randomly with Weights If you have a set of values to choose from with weighted probabilities, use ` -[`Arbitraries.frequency(...)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#frequency-net.jqwik.api.Tuple.Tuple2...-): +[`Arbitraries.frequency(...)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#frequency-net.jqwik.api.Tuple.Tuple2...-): ```java @Property @@ -1283,7 +1291,7 @@ Arbitrary abcdWeighted() { The first value of the tuple specifies the frequency of a particular value in relation to the sum of all frequencies. In -[the given example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/ChoosingExamples.java#L17) +[the given example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/ChoosingExamples.java#L17) the sum is 36, thus `"a"` will be generated with a probability of `1/36` whereas `"d"` has a generation probability of `20/36` (= `5/9`). @@ -1291,30 +1299,30 @@ Shrinking moves towards the start of the frequency list. #### Characters and Strings -- [`StringArbitrary strings()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#strings--) -- [`CharacterArbitrary chars()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#chars--) +- [`StringArbitrary strings()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#strings--) +- [`CharacterArbitrary chars()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#chars--) #### java.util.Random -- [`Arbitrary randoms()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#randoms--): +- [`Arbitrary randoms()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#randoms--): Random instances will never be shrunk #### Shuffling Permutations -- [`Arbitrary> shuffle(T ... values)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#shuffle-T...-): +- [`Arbitrary> shuffle(T ... values)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#shuffle-T...-): Return unshrinkable permutations of the `values` handed in. -- [`Arbitrary> shuffle(List values)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#shuffle-java.util.List-): +- [`Arbitrary> shuffle(List values)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#shuffle-java.util.List-): Return unshrinkable permutations of the `values` handed in. #### Default Types -- [`Arbitrary defaultFor(Class type, Class ... parameterTypes)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#defaultFor-java.lang.Class-java.lang.Class...-): +- [`Arbitrary defaultFor(Class type, Class ... parameterTypes)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#defaultFor-java.lang.Class-java.lang.Class...-): Return the default arbitrary available for type `type` [if one is provided](#providing-default-arbitraries) by default. For parameterized types you can also specify the parameter types. Keep in mind, though, that the parameter types are lost in the type signature and therefore - cannot be used in the respective [`@ForAll`](/docs/1.3.1/javadoc/net/jqwik/api/ForAll.html) property method parameter. Raw types and wildcards, + cannot be used in the respective [`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html) property method parameter. Raw types and wildcards, however, match; thus the following example will work: ```java @@ -1346,17 +1354,17 @@ but all numeric arbitrary types share some things: #### Integrals -- [`ByteArbitrary bytes()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#bytes--) -- [`ShortArbitrary shorts()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#shorts--) -- [`IntegerArbitrary integers()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#integers--) -- [`LongArbitrary longs()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#longs--) -- [`BigIntegerArbitrary bigIntegers()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#bigIntegers--) +- [`ByteArbitrary bytes()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#bytes--) +- [`ShortArbitrary shorts()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#shorts--) +- [`IntegerArbitrary integers()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#integers--) +- [`LongArbitrary longs()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#longs--) +- [`BigIntegerArbitrary bigIntegers()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#bigIntegers--) #### Decimals -- [`FloatArbitrary floats()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#floats--) -- [`DoubleArbitrary doubles()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#doubles--) -- [`BigDecimalArbitrary bigDecimals()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#bigDecimals--) +- [`FloatArbitrary floats()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#floats--) +- [`DoubleArbitrary doubles()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#doubles--) +- [`BigDecimalArbitrary bigDecimals()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#bigDecimals--) Decimal arbitrary types come with a few additional capabilities: @@ -1369,25 +1377,25 @@ Decimal arbitrary types come with a few additional capabilities: With release `1.3.0` jqwik provides you with a means to influence the probability distribution of randomly generated numbers. The way to do that is by calling -[`withDistribution(distribution)`](https://jqwik.net/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/NumericalArbitrary.html#withDistribution-net.jqwik.api.RandomDistribution-). +[`withDistribution(distribution)`](https://jqwik.net/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/NumericalArbitrary.html#withDistribution-net.jqwik.api.RandomDistribution-). Currently three different distributions are supported: -- [`RandomDistribution.biased()`](https://jqwik.net/docs/1.3.1/javadoc/net/jqwik/api/RandomDistribution.html#biased--): +- [`RandomDistribution.biased()`](https://jqwik.net/docs/1.3.2/javadoc/net/jqwik/api/RandomDistribution.html#biased--): This is the default. It generates values closer to the center of a numerical range with a higher probability. The bigger the range the stronger the bias. -- [`RandomDistribution.uniform()`](https://jqwik.net/docs/1.3.1/javadoc/net/jqwik/api/RandomDistribution.html#uniform--): +- [`RandomDistribution.uniform()`](https://jqwik.net/docs/1.3.2/javadoc/net/jqwik/api/RandomDistribution.html#uniform--): This distribution will generate values across the allowed range with a uniform probability distribution. -- [`RandomDistribution.gaussian(borderSigma)`](https://jqwik.net/docs/1.3.1/javadoc/net/jqwik/api/RandomDistribution.html#gaussian-double-): +- [`RandomDistribution.gaussian(borderSigma)`](https://jqwik.net/docs/1.3.2/javadoc/net/jqwik/api/RandomDistribution.html#gaussian-double-): A (potentially asymmetric) gaussian distribution -- aka "normal distribution" -- the mean of which is the specified center and the probability at the borders is `borderSigma` times _standard deviation_. Gaussian generation is approximately 10 times slower than biased or uniform generation. -- [`RandomDistribution.gaussian()`](https://jqwik.net/docs/1.3.1/javadoc/net/jqwik/api/RandomDistribution.html#gaussian--): +- [`RandomDistribution.gaussian()`](https://jqwik.net/docs/1.3.2/javadoc/net/jqwik/api/RandomDistribution.html#gaussian--): A gaussian distribution with `borderSigma` of 3, i.e. approximately 99.7% of values are within the borders. The specified distribution does not influence the generation of [edge cases](#generation-of-edge-cases). @@ -1443,23 +1451,23 @@ Look at the statistics to see if it fits your expectation: You can notice that values `0` and `20` should have the lowest probability but they do not. This is because they will be generated a few times as edge cases. -### Collections, Streams, Arrays and Optional +### Collections, Streams, Iterators and Arrays -Generating types who have generic type parameters, requires to start with -an `Arbitrary` instance for the generic type. You can create the corresponding collection arbitrary from there: +Arbitraries for multi value types require to start with an `Arbitrary` instance for the element type. +You can then create the corresponding multi value arbitrary from there: -- [`Arbitrary.list()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#list--) -- [`Arbitrary.set()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#set--) -- [`Arbitrary.streamOf()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#stream--) -- [`Arbitrary.array(Class arrayClass)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#array-java.lang.Class-) -- [`Arbitrary.optional()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#optional--) +- [`ListArbitrary Arbitrary.list()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#list--) +- [`SetArbitrary Arbitrary.set()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#set--) +- [`StreamArbitrary Arbitrary.streamOf()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#stream--) +- [`IteratorArbitrary Arbitrary.iterator()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#iterator--) +- [`StreamableArbitrary Arbitrary.array(Class arrayClass)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#array-java.lang.Class-) ### Collecting Values in a List If you do not want any random combination of values in your list - as can be done with `Arbitrary.list()` - you have the possibility to collect random values in a list until a certain condition is fulfilled. -[`Arbitrary.collect(Predicate condition)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#collect-java.util.function.Predicate-) +[`Arbitrary.collect(Predicate condition)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#collect-java.util.function.Predicate-) is what you need in those cases. Imagine you need a list of integers the sum of which should be at least `1000`. @@ -1470,6 +1478,12 @@ Arbitrary integers = Arbitraries.integers().between(1, 100); Arbitrary> collected = integers.collect(list -> sum(list) >= 1000); ``` +### Optional + +Using [`Arbitrary.optional()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#optional--) +allows to generate an optional of any type. +`Optional.empty()` values are injected with a probability of `0.05`, i.e. 1 in 20. + ### Tuples of same base type If you want to generate tuples of the same base types that also use the same generator, that's how you can do it: @@ -1480,19 +1494,16 @@ Arbitrary integerPair = Arbitrary.integers().between(1, 25).tuple2 There's a method for tuples of length 1 to 4: -- [`Arbitrary.tuple1()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#tuple1--) -- [`Arbitrary.tuple2()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#tuple2--) -- [`Arbitrary.tuple3()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#tuple3--) -- [`Arbitrary.tuple4()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#tuple4--) - - - +- [`Arbitrary.tuple1()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#tuple1--) +- [`Arbitrary.tuple2()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#tuple2--) +- [`Arbitrary.tuple3()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#tuple3--) +- [`Arbitrary.tuple4()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#tuple4--) ### Maps Generating instances of type `Map` is a bit different since two arbitraries are needed, one for the key and one for the value. Therefore you have to use -[`Arbitraries.maps(...)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#maps-net.jqwik.api.Arbitrary-net.jqwik.api.Arbitrary-) like this: +[`Arbitraries.maps(...)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#maps-net.jqwik.api.Arbitrary-net.jqwik.api.Arbitrary-) like this: ```java @Property @@ -1510,7 +1521,7 @@ Arbitrary> numberMaps() { ``` For generating individual `Map.Entry` instances there is -[`Arbitraries.entries(...)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#maps-net.jqwik.api.Arbitrary-net.jqwik.api.Arbitrary-). +[`Arbitraries.entries(...)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#maps-net.jqwik.api.Arbitrary-net.jqwik.api.Arbitrary-). ### Functional Types @@ -1569,25 +1580,33 @@ all other cases. ### Fluent Configuration Interfaces Most specialized arbitrary interfaces provide special methods to configure things -like size, length, boundaries etc. Have a look at the Java doc for the following types: - -- [BigDecimalArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/BigDecimalArbitrary.html) -- [BigIntegerArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/BigIntegerArbitrary.html) -- [ByteArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/ByteArbitrary.html) -- [CharacterArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/CharacterArbitrary.html) -- [DoubleArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/DoubleArbitrary.html) -- [FloatArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/FloatArbitrary.html) -- [IntegerArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/IntegerArbitrary.html) -- [LongArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/LongArbitrary.html) -- [ShortArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/ShortArbitrary.html) -- [SizableArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/SizableArbitrary.html) -- [StreamableArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/StreamableArbitrary.html) -- [StringArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/StringArbitrary.html) -- [FunctionArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/FunctionArbitrary.html) +like size, length, boundaries etc. Have a look at the Java doc for the following types, +which are organized in a flat hierarchy: + +- [NumericalArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/BigDecimalArbitrary.html) + - [BigDecimalArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/BigDecimalArbitrary.html) + - [BigIntegerArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/BigIntegerArbitrary.html) + - [ByteArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/ByteArbitrary.html) + - [CharacterArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/CharacterArbitrary.html) + - [DoubleArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/DoubleArbitrary.html) + - [FloatArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/FloatArbitrary.html) + - [IntegerArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/IntegerArbitrary.html) + - [LongArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/LongArbitrary.html) + - [ShortArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/ShortArbitrary.html) +- [SizableArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/SizableArbitrary.html) + - [MapArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/MapArbitrary.html) + - [StreamableArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/StreamableArbitrary.html) + - [SetArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/SetArbitrary.html) + - [ListArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/ListArbitrary.html) + - [StreamArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/StreamArbitrary.html) + - [IteratorArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/IteratorArbitrary.html) +- [StringArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/StringArbitrary.html) +- [FunctionArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/FunctionArbitrary.html) +- [TypeArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/TypeArbitrary.html) Here are a -[two examples](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/FluentConfigurationExamples.java) +[two examples](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/FluentConfigurationExamples.java) to give you a hint of what you can do: ```java @@ -1605,7 +1624,7 @@ Arbitrary> fixedSizedListOfPositiveIntegers() { ### Generate `null` values Predefined generators will never create `null` values. If you want to allow that, -call [`Arbitrary.injectNull(double probability)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#injectNull-double-). +call [`Arbitrary.injectNull(double probability)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#injectNull-double-). The following provider method creates an arbitrary that will return a `null` String in about 1 of 100 generated values. @@ -1695,7 +1714,7 @@ for the two String values - using `tuple2()` does that. If you want to include only part of all the values generated by an arbitrary, use -[`Arbitrary.filter(Predicate filterPredicate)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#filter-java.util.function.Predicate-). +[`Arbitrary.filter(Predicate filterPredicate)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#filter-java.util.function.Predicate-). The following arbitrary will filter out all even numbers from the stream of generated integers: @@ -1714,7 +1733,7 @@ the current property will be abandoned by throwing an exception. If you want to make sure that all the values generated by an arbitrary are unique, use -[`Arbitrary.unique()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#unique--). +[`Arbitrary.unique()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#unique--). The following arbitrary will generate integers between 1 and 1000 but never the same integer twice: ```java @@ -1732,7 +1751,7 @@ the current property will be abandoned by throwing an exception. Sometimes it's easier to start with an existing arbitrary and use its generated values to build other objects from them. In that case, use -[`Arbitrary.map(Function mapper)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#map-java.util.function.Function-). +[`Arbitrary.map(Function mapper)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#map-java.util.function.Function-). The following example uses generated integers to create numerical Strings: ```java @@ -1752,7 +1771,7 @@ will move towards the lowest allowed number, that is `10000`. Similar as in the case of `Arbitrary.map(..)` there are situations in which you want to use a generated value in order to create another Arbitrary from it. Sounds complicated? Have a look at the -[following example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/FlatMappingExamples.java#L26): +[following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/FlatMappingExamples.java#L26): ```java @Property @@ -1785,9 +1804,9 @@ However, both have dependencies: - `end` must not be larger than the string size - `begin` must not be larger than `end` You can make _jqwik_ create all three values by using -[`flatMap`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#flatMap-java.util.function.Function-) +[`flatMap`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#flatMap-java.util.function.Function-) combined with a tuple type -[like this](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/FlatMappingExamples.java#L32): +[like this](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/FlatMappingExamples.java#L32): ```java @@ -1843,7 +1862,7 @@ Arbitrary oneOfThree() { } ``` -[In this example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/OneOfExamples.java) +[In this example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/OneOfExamples.java) the statistics should also give you an equal distribution between the three types of integers. @@ -1878,11 +1897,11 @@ Arbitrary oneOfThree() { Sometimes just mapping a single stream of generated values is not enough to generate a more complicated domain object. In those cases you can combine several arbitraries to a single result arbitrary using -[`Combinators.combine()`](/docs/1.3.1/javadoc/net/jqwik/api/Combinators.html#combine-net.jqwik.api.Arbitrary-net.jqwik.api.Arbitrary-) +[`Combinators.combine()`](/docs/1.3.2/javadoc/net/jqwik/api/Combinators.html#combine-net.jqwik.api.Arbitrary-net.jqwik.api.Arbitrary-) with up to eight arbitraries. [Create an issue on github](https://github.com/jlink/jqwik/issues) if you need more than eight. -[The following example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/MappingAndCombinatorExamples.java#L25) +[The following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/MappingAndCombinatorExamples.java#L25) generates `Person` instances from three arbitraries as inputs. ```java @@ -1982,8 +2001,8 @@ Arbitrary validPeopleWithBuilder() { ``` Have a look at -[Combinators.withBuilder(Supplier)](/docs/1.3.1/javadoc/net/jqwik/api/Combinators.html#withBuilder-java.util.function.Supplier-) -and [Combinators.withBuilder(Arbitrary)](/docs/1.3.1/javadoc/net/jqwik/api/Combinators.html#withBuilder-net.jqwik.api.Arbitrary-) +[Combinators.withBuilder(Supplier)](/docs/1.3.2/javadoc/net/jqwik/api/Combinators.html#withBuilder-java.util.function.Supplier-) +and [Combinators.withBuilder(Arbitrary)](/docs/1.3.2/javadoc/net/jqwik/api/Combinators.html#withBuilder-net.jqwik.api.Arbitrary-) to check the API. #### Flat Combination @@ -2063,7 +2082,7 @@ Some generators (e.g. most number generators) are sensitive to the The default value for `genSize` is the number of tries configured for the property they are used in. If there is a need to influence the behaviour of generators you can do so by using -[`Arbitrary.fixGenSize(int)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#fixGenSize-int-).. +[`Arbitrary.fixGenSize(int)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#fixGenSize-int-).. ## Recursive Arbitraries @@ -2074,7 +2093,7 @@ is one application field but you can also use it for other stuff. ### Probabilistic Recursion Look at the -[following example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/RecursiveExamples.java) +[following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/RecursiveExamples.java) which generates sentences by recursively adding words to a sentence: ```java @@ -2104,7 +2123,7 @@ private StringArbitrary word() { There are two things to which you must pay attention: -- Use [`Arbitraries.lazy(Supplier>)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#lazy-java.util.function.Supplier-) +- Use [`Arbitraries.lazy(Supplier>)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#lazy-java.util.function.Supplier-) to wrap the recursive call itself. Otherwise _jqwik_'s attempt to build the arbitrary will quickly result in a stack overflow. - Every recursion needs one or more base cases in order to stop recursion at some point. @@ -2144,7 +2163,7 @@ Arbitrary deterministic(int length, Arbitrary sentence) { ### Deterministic Recursion with `recursive()` To further simplify this _jqwik_ provides a helper function: -[`Arbitraries.recursive(...)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#recursive-java.util.function.Supplier-java.util.function.Function-int-). +[`Arbitraries.recursive(...)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#recursive-java.util.function.Supplier-java.util.function.Function-int-). Using that further simplifies the example: ```java @@ -2175,7 +2194,7 @@ in which you might want to generate values directly. ### Generating a Single Value Getting a single random value out of an arbitrary is easy and can be done -with [`Arbitrary.sample()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#sample--): +with [`Arbitrary.sample()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#sample--): ```java Arbitrary strings = Arbitraries.of("string1", "string2", "string3"); @@ -2191,7 +2210,7 @@ freshly instantiated if used outside a property. ### Generating a Stream of Values -Getting a stream of generated values is just as easy with [`Arbitrary.sampleStream()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#sampleStream--): +Getting a stream of generated values is just as easy with [`Arbitrary.sampleStream()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#sampleStream--): ```java List values = Arrays.asList("string1", "string2", "string3"); @@ -2205,7 +2224,7 @@ assertThat(streamOfStrings).allMatch(values::contains); There are a few cases when you don't want to generate individual values from an arbitrary but use all possible values to construct another arbitrary. This can be achieved through -[`Arbitrary.allValues()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#allValues--). +[`Arbitrary.allValues()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#allValues--). Return type is `Optional>` because _jqwik_ can only perform this task if [exhaustive generation](#exhaustive-generation) is doable. @@ -2215,7 +2234,7 @@ Return type is `Optional>` because _jqwik_ can only perform this task You can also use an arbitrary to iterate through all values it specifies. Use -[`Arbitrary.forEachValue(Consumer action)`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitrary.html#forEachValue-java.util.function.Consumer-). +[`Arbitrary.forEachValue(Consumer action)`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitrary.html#forEachValue-java.util.function.Consumer-). for that purpose. This only works when [exhaustive generation](#exhaustive-generation) is possible. In other cases the attempt to iterate will result in an exception. @@ -2300,7 +2319,7 @@ when they can be invoked and some objects have invariants that should never be v of the sequence of performed actions. To make this abstract concept concrete, let's look at a -[simple stack implementation](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/stateful/mystack/MyStringStack.java): +[simple stack implementation](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/stateful/mystack/MyStringStack.java): ```java public class MyStringStack { @@ -2317,7 +2336,7 @@ public class MyStringStack { We can see at least three _actions_ with their preconditions and expected state changes: -- [`Push`](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/stateful/mystack/PushAction.java): +- [`Push`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/stateful/mystack/PushAction.java): Push a string onto the stack. The string should be on top afterwards and the size should have increased by 1. @@ -2347,7 +2366,7 @@ We can see at least three _actions_ with their preconditions and expected state } ``` -- [`Pop`](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/stateful/mystack/PopAction.java): +- [`Pop`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/stateful/mystack/PopAction.java): If (and only if) the stack is not empty, pop the element on top off the stack. The size of the stack should have decreased by 1. @@ -2375,7 +2394,7 @@ We can see at least three _actions_ with their preconditions and expected state } ``` -- [`Clear`](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/stateful/mystack/ClearAction.java): +- [`Clear`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/stateful/mystack/ClearAction.java): Remove all elements from the stack which should be empty afterwards. ```java @@ -2401,7 +2420,7 @@ The fundamental property that _jqwik_ should try to falsify is: (aka postconditions) should be fulfilled. We can formulate that quite easily as a -[_jqwik_ property](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/stateful/mystack/MyStringStackProperties.java): +[_jqwik_ property](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/stateful/mystack/MyStringStackProperties.java): ```java class MyStringStackProperties { @@ -2421,21 +2440,21 @@ class MyStringStackProperties { } private Arbitrary> clear() { - return Arbitraries.constant(new ClearAction()); + return Arbitraries.just(new ClearAction()); } private Arbitrary> pop() { - return Arbitraries.constant(new PopAction()); + return Arbitraries.just(new PopAction()); } } ``` The interesting API elements are -- [`ActionSequence`](/docs/1.3.1/javadoc/net/jqwik/api/stateful/ActionSequence.html): +- [`ActionSequence`](/docs/1.3.2/javadoc/net/jqwik/api/stateful/ActionSequence.html): A generic collection type especially crafted for holding and shrinking of a list of actions. As a convenience it will apply the actions to a state-based object when you call `run(state)`. -- [`Arbitraries.sequences()`](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#sequences-net.jqwik.api.Arbitrary-): +- [`Arbitraries.sequences()`](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#sequences-net.jqwik.api.Arbitrary-): This method will create the arbitrary for generating an `ActionSequence` given the arbitrary for generating actions. @@ -2518,7 +2537,7 @@ If you want to constrain the set of generated values in a way that embraces more than one parameter, [filtering](#filtering) does not work. What you can do instead is putting one or more assumptions at the beginning of your property. -[The following property](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/AssumptionExamples.java) +[The following property](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/AssumptionExamples.java) works only on strings that are not equal: ```java @@ -2534,7 +2553,7 @@ boolean comparingUnequalStrings( ``` This is a reasonable use of -[`Assume.that(boolean condition)`](/docs/1.3.1/javadoc/net/jqwik/api/Assume.html#that-boolean-) +[`Assume.that(boolean condition)`](/docs/1.3.2/javadoc/net/jqwik/api/Assume.html#that-boolean-) because most generated value sets will pass through. Have a look at a seemingly similar example: @@ -2570,7 +2589,7 @@ The problem is that - given a random generation of two strings - only in very fe one string will be contained in the other. _jqwik_ will report a property as `exhausted` if the ratio between generated and accepted parameters is higher than 5. You can change the maximum discard ratio by specifying a parameter `maxDiscardRatio` in the -[`@Property`](/docs/1.3.1/javadoc/net/jqwik/api/Property.html) annotation. +[`@Property`](/docs/1.3.2/javadoc/net/jqwik/api/Property.html) annotation. That's why changing to `@Property(maxDiscardRatio = 100)` in the previous example will probably result in a successful property run, even though only a handful cases - of 1000 generated - will actually be checked. @@ -2578,7 +2597,7 @@ cases - of 1000 generated - will actually be checked. In many cases turning up the accepted discard ration is a bad idea. With some creativity we can often avoid the problem by generating out test data a bit differently. Look at this variant of the above property, which also uses -[`Assume.that()`](/docs/1.3.1/javadoc/net/jqwik/api/Assume.html#that-boolean-) +[`Assume.that()`](/docs/1.3.2/javadoc/net/jqwik/api/Assume.html#that-boolean-) but with a much lower discard ratio: ```java @@ -2638,7 +2657,7 @@ The general idea and its advantages are explained [here](http://hypothesis.works/articles/integrated-shrinking/). Consider a somewhat -[more complicated example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/ShrinkingExamples.java#L15): +[more complicated example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/ShrinkingExamples.java#L15): ```java @Property @@ -2743,12 +2762,40 @@ Arbitrary> signals() { Currently shrinking targets are supported for all [number types](#numeric-arbitrary-types). + +## Platform Reporting with Reporter Object + +If you want to provide additional information during a test or a property using +`System.out.println()` is a common choice. The JUnit platform, however, provides +a better mechanism to publish additional information in the form of key-value pairs. +Those pairs will not only printed to stdout but are also available to downstream +tools like test report generators in continue integration. + +You can hook into this reporting mechanism through jqwik's `Reporter` object. +This object is available in [lifecycle hooks](#lifecycle-hooks) but you can +also have it injected as a parameter into your test method: + +```java +@Example +void reportInCode(Reporter reporter, @ForAll List<@AlphaChars String> aList) { + reporter.publishReport("listOfStrings", aList); + reporter.publishValue("birthday", LocalDate.of(1969, 1, 20).toString()); +} +``` + +[net.jqwik.api.Reporter](/docs/1.3.2/javadoc/net/jqwik/api/Reporter.html) +has different publishing methods. +Those with `report` in their name use jqwik's reporting mechanism and formats +described [above](#failure-reporting). + + + ## Collecting and Reporting Statistics In many situations you'd like to know if _jqwik_ will really generate the kind of values you expect and if the frequency and distribution of certain value classes meets your testing needs. -[`Statistics.collect()`](/docs/1.3.1/javadoc/net/jqwik/api/statistics/Statistics.html#collect-java.lang.Object...-) +[`Statistics.collect()`](/docs/1.3.2/javadoc/net/jqwik/api/statistics/Statistics.html#collect-java.lang.Object...-) is made for this exact purpose. In the most simple case you'd like to know how often a certain value @@ -2836,7 +2883,7 @@ void twoParameterStats( As you can see, collected `null` values are not being reported. -[Here](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/statistics/StatisticsExamples.java) +[Here](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/statistics/StatisticsExamples.java) are a couple of examples to try out. ### Labeled Statistics @@ -2875,13 +2922,13 @@ produces the following reports: ### Statistics Report Formatting There is a -[`@StatisticsReport`](/docs/1.3.1/javadoc/net/jqwik/api/statistics/StatisticsReport.html) +[`@StatisticsReport`](/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.html) annotation that allows to change statistics report formats or to even switch it off. The annotation can be used on property methods or on container classes. The `value` attribute is of type -[StatisticsReportMode.OFF](/docs/1.3.1/javadoc/net/jqwik/api/statistics/StatisticsReport.StatisticsReportMode.html) and can have one of: +[StatisticsReportMode.OFF](/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReport.StatisticsReportMode.html) and can have one of: - __`STANDARD`__: Use jqwik's standard reporting format. This is used anyway if you leave the annotation away. @@ -2906,8 +2953,8 @@ void queryStatistics(@ForAll int anInt) { #### Histograms _jqwik_ comes with two report formats to display collected data as histograms: -[`Histogram`](/docs/1.3.1/javadoc/net/jqwik/api/statistics/Histogram.html) -and [`NumberRangeHistogram`](/docs/1.3.1/javadoc/net/jqwik/api/statistics/NumberRangeHistogram.html). +[`Histogram`](/docs/1.3.2/javadoc/net/jqwik/api/statistics/Histogram.html) +and [`NumberRangeHistogram`](/docs/1.3.2/javadoc/net/jqwik/api/statistics/NumberRangeHistogram.html). `Histogram` displays the collected raw data as a histogram: @@ -2997,7 +3044,7 @@ the maximum drawing range of the bar, the order of elements and the label of a b In order to format statistics to your own liking you have to create an implementation of type -[StatisticsReportFormat](/docs/1.3.1/javadoc/net/jqwik/api/statistics/StatisticsReportFormat.html) and +[StatisticsReportFormat](/docs/1.3.2/javadoc/net/jqwik/api/statistics/StatisticsReportFormat.html) and ```java @Property @@ -3070,7 +3117,7 @@ void labeledStatistics(@ForAll @IntRange(min = 1, max = 10) Integer anInt) { ``` Start by looking at -[`Statistics.coverage()`](/docs/1.3.1/javadoc/net/jqwik/api/statistics/Statistics.html#coverage-java.util.function.Consumer-) +[`Statistics.coverage()`](/docs/1.3.2/javadoc/net/jqwik/api/statistics/Statistics.html#coverage-java.util.function.Consumer-) to see all the options you have for checking percentages and counts. #### Check Ad-hoc Query Coverage @@ -3103,7 +3150,7 @@ classes, in all of your properties, and without having to add `@Provide` method to all test classes. _jqwik_ enables this feature by using Java’s `java.util.ServiceLoader` mechanism. All you have to do is: -- Implement the interface [`ArbitraryProvider`](/docs/1.3.1/javadoc/net/jqwik/api/providers/ArbitraryProvider.html).
+- Implement the interface [`ArbitraryProvider`](/docs/1.3.2/javadoc/net/jqwik/api/providers/ArbitraryProvider.html).
The implementing class _must_ have a default constructor without parameters. - Register the implementation class in file @@ -3113,14 +3160,14 @@ Java’s `java.util.ServiceLoader` mechanism. All you have to do is: _jqwik_ will then add an instance of your arbitrary provider into the list of its default providers. Those default providers are considered for every test parameter annotated -with [`@ForAll`](/docs/1.3.1/javadoc/net/jqwik/api/ForAll.html) that has no explicit `value`. +with [`@ForAll`](/docs/1.3.2/javadoc/net/jqwik/api/ForAll.html) that has no explicit `value`. By using this mechanism you can also replace the default providers packaged into _jqwik_. ### Simple Arbitrary Providers A simple provider is one that delivers arbitraries for types without type variables. -Consider the class [`Money`](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/defaultprovider/Money.java): +Consider the class [`Money`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/defaultprovider/Money.java): ```java public class Money { @@ -3144,7 +3191,7 @@ public class Money { ``` If you register the following class -[`MoneyArbitraryProvider`](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/defaultprovider/MoneyArbitraryProvider.java): +[`MoneyArbitraryProvider`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/defaultprovider/MoneyArbitraryProvider.java): ```java package my.own.provider; @@ -3167,7 +3214,7 @@ public class MoneyArbitraryProvider implements ArbitraryProvider { ``` in file -[`META-INF/services/net.jqwik.api.providers.ArbitraryProvider`](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/resources/META-INF/services/net.jqwik.api.providers.ArbitraryProvider) +[`META-INF/services/net.jqwik.api.providers.ArbitraryProvider`](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/resources/META-INF/services/net.jqwik.api.providers.ArbitraryProvider) with such an entry: ``` @@ -3175,7 +3222,7 @@ my.own.provider.MoneyArbitraryProvider ``` The -[following property](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/defaultprovider/MoneyProperties.java) +[following property](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/defaultprovider/MoneyProperties.java) will run without further ado - regardless the class you put it in: ```java @@ -3237,7 +3284,7 @@ public class AlternativeStringArbitraryProvider implements ArbitraryProvider { @Override public Set> provideFor(TypeUsage targetType, SubtypeProvider subtypeProvider) { - return Collections.singleton(Arbitraries.constant("A String")); + return Collections.singleton(Arbitraries.just("A String")); } } ``` @@ -3255,16 +3302,16 @@ The mechanism you can plug into is similar to what you do when [providing your own default arbitrary providers](#providing-default-arbitraries). That means: 1. Create an implementation of an interface, in this case - [`ArbitraryConfigurator`](/docs/1.3.1/javadoc/net/jqwik/api/configurators/ArbitraryConfigurator.html). + [`ArbitraryConfigurator`](/docs/1.3.2/javadoc/net/jqwik/api/configurators/ArbitraryConfigurator.html). 2. Register the implementation using using Java’s `java.util.ServiceLoader` mechanism. ### Arbitrary Configuration Example: `@Odd` To demonstrate the idea let's create an annotation `@Odd` which will constrain any integer generation to only generate odd numbers. First things first, so here's -the [`@Odd` annotation](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/arbitraryconfigurator/Odd.java) +the [`@Odd` annotation](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/arbitraryconfigurator/Odd.java) together with the -[configurator implementation](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/arbitraryconfigurator/OddConfigurator.java): +[configurator implementation](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/arbitraryconfigurator/OddConfigurator.java): ```java @Target({ ElementType.ANNOTATION_TYPE, ElementType.PARAMETER, ElementType.TYPE_USE }) @@ -3283,8 +3330,8 @@ Mind that the implementation uses an abstract base class - instead of the interf which simplifies implementation if you're only interested in a single annotation. If you now -[register the implementation](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/resources/META-INF/services/net.jqwik.api.configurators.ArbitraryConfigurator), -the [following example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/arbitraryconfigurator/OddProperties.java) +[register the implementation](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/resources/META-INF/services/net.jqwik.api.configurators.ArbitraryConfigurator), +the [following example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/arbitraryconfigurator/OddProperties.java) will work: ```java @@ -3350,8 +3397,8 @@ a property method or container to only use providers and configurators from thos that are explicitly stated in a `@Domain(Class)` annotation. As for ways to implement domain context classes have a look at -[DomainContext](/docs/1.3.1/javadoc/net/jqwik/api/domains/DomainContext.html) -and [AbstractDomainContextBase](/docs/1.3.1/javadoc/net/jqwik/api/domains/AbstractDomainContextBase.html). +[DomainContext](/docs/1.3.2/javadoc/net/jqwik/api/domains/DomainContext.html) +and [AbstractDomainContextBase](/docs/1.3.2/javadoc/net/jqwik/api/domains/AbstractDomainContextBase.html). ### Domain example: American Addresses @@ -3360,9 +3407,9 @@ Let's say that US postal addresses play a crucial role in the software that we'r That's why there are a couple of classes that represent important domain concepts: `Street`, `State`, `City` and `Address`. Since we have to generate instances of those classes for our properties, we collect all arbitrary provision code in -[AmericanAddresses](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/domains/AmericanAddresses.java). +[AmericanAddresses](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/domains/AmericanAddresses.java). Now look at -[this example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/domains/AddressProperties.java): +[this example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/domains/AddressProperties.java): ```java class AddressProperties { @@ -3443,13 +3490,13 @@ the class in order to generate instances. Whenever there's an exception during generation they will be ignored; that way you'll only get valid instances. There are quite a few ways usage and configuration options. Have a look -at the [complete example](https://github.com/jlink/jqwik/blob/1.3.1/documentation/src/test/java/net/jqwik/docs/types/TypeArbitraryExamples.java) +at the [complete example](https://github.com/jlink/jqwik/blob/1.3.2/documentation/src/test/java/net/jqwik/docs/types/TypeArbitraryExamples.java) and check the following api entry points: -- [UseType](/docs/1.3.1/javadoc/net/jqwik/api/constraints/UseType.html) -- [UseTypeMode](/docs/1.3.1/javadoc/net/jqwik/api/constraints/UseTypeMode.html) -- [Arbitraries.forType()](/docs/1.3.1/javadoc/net/jqwik/api/Arbitraries.html#forType-java.lang.Class-) -- [TypeArbitrary](/docs/1.3.1/javadoc/net/jqwik/api/arbitraries/TypeArbitrary.html) +- [UseType](/docs/1.3.2/javadoc/net/jqwik/api/constraints/UseType.html) +- [UseTypeMode](/docs/1.3.2/javadoc/net/jqwik/api/constraints/UseTypeMode.html) +- [Arbitraries.forType()](/docs/1.3.2/javadoc/net/jqwik/api/Arbitraries.html#forType-java.lang.Class-) +- [TypeArbitrary](/docs/1.3.2/javadoc/net/jqwik/api/arbitraries/TypeArbitrary.html) ## Generation of Edge Cases @@ -3605,7 +3652,7 @@ void fizzBuzzWorks(@ForAll int index, @ForAll String result) { All you have to do is annotate the property method with `@FromData("dataProviderReference")`. The method you reference must be annotated with `@Data` and return an object of type `Iterable`. -The [`Table` class](/docs/1.3.1/javadoc/net/jqwik/api/Table.html) +The [`Table` class](/docs/1.3.2/javadoc/net/jqwik/api/Table.html) is just a convenient way to create such an object, but you can return any collection or create an implementation of your own. @@ -3714,10 +3761,10 @@ There are a few fundamental principles that determine and constrain the lifecycl 1. There are several [types of lifecycle hooks](#lifecycle-hook-types), each of which is an interface that extends - [`net.jqwik.api.lifecycle.LifecycleHook`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/LifecycleHook.html). + [`net.jqwik.api.lifecycle.LifecycleHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/LifecycleHook.html). 2. A concrete lifecycle hook is an implementation of one or more lifecycle hook interfaces. 3. You can add a concrete lifecycle hook to a container class or a property method with the annotation - [`@AddLifecycleHook`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/AddLifecycleHook.html). + [`@AddLifecycleHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AddLifecycleHook.html). By default, a lifecycle hook is only added to the annotated element, not to its children. However, you can override this behaviour by either: - Override `LifecycleHook.propagateTo()` @@ -3732,7 +3779,7 @@ There are a few fundamental principles that determine and constrain the lifecycl you cannot use non-static inner classes of test containers to implement lifecycle interfaces. 7. If relevant, the order in which hook methods are being applied is determined by dedicated methods in the hook interface, e.g. - [`BeforeContainerHook.beforeContainerProximity()`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/BeforeContainerHook.html#beforeContainerProximity--). + [`BeforeContainerHook.beforeContainerProximity()`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeContainerHook.html#beforeContainerProximity--). Mind that much of what you can do with hooks can also be done using the simpler mechanisms of [annotated lifecycle methods](#annotated-lifecycle-methods) or @@ -3746,10 +3793,10 @@ reuse generic behaviour in many places or even across projects. All lifecycle hook interfaces extend `net.jqwik.api.lifecycle.LifecycleHook` which has two methods that may be overridden: -- [`propagateTo()`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/LifecycleHook.html#propagateTo--): +- [`propagateTo()`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/LifecycleHook.html#propagateTo--): Determine if and how a hook will be propagated to an element's children. -- [`appliesTo(Optional)`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/LifecycleHook.html#appliesTo-java.util.Optional-): +- [`appliesTo(Optional)`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/LifecycleHook.html#appliesTo-java.util.Optional-): Determine if a hook will be applied to a concrete element. For example, you might want to constrain a certain hook to apply only to property methods and not to containers: @@ -3783,7 +3830,7 @@ and what potential actions should be done before or after running it. ##### SkipExecutionHook -Implement [`SkipExecutionHook`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/SkipExecutionHook.html) +Implement [`SkipExecutionHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/SkipExecutionHook.html) to filter out a test container or property method depending on some runtime condition. Given this hook implementation: @@ -3811,21 +3858,21 @@ void macSpecificProperty(@ForAll int anInt) { ##### BeforeContainerHook -Implement [`BeforeContainerHook`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/BeforeContainerHook.html) +Implement [`BeforeContainerHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/BeforeContainerHook.html) for a hook that's supposed to do some work exactly once before any of its property methods and child containers will be run. This is typically used to set up a resource to share among all properties within this container. ##### AfterContainerHook -Implement [`AfterContainerHook`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/AfterContainerHook.html) +Implement [`AfterContainerHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AfterContainerHook.html) for a hook that's supposed to do some work exactly once after all of its property methods and child containers have been run. This is typically used to tear down a resource that has been shared among all properties within this container. ##### AroundContainerHook -[`AroundContainerHook`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/AroundContainerHook.html) +[`AroundContainerHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundContainerHook.html) is a convenience interface to implement both [`BeforeContainerHook`](#beforecontainerhook) and [`AfterContainerHook`](#aftercontainerhook) in one go. This is typically used to set up and tear down a resource that is intended to be shared across all the container's children. @@ -3876,14 +3923,14 @@ using a container hook and registering it globally is probably the easiest way. ##### AroundPropertyHook -[`AroundPropertyHook`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/AroundPropertyHook.html) +[`AroundPropertyHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundPropertyHook.html) comes in handy if you need to define behaviour that should "wrap" the execution of a property, i.e., do something directly before or after running a property - or both. Since you have access to an object that describes the final result of a property you can also change the result, e.g. make a failed property successful or vice versa. Here is a hook implementation that will measure the time spent on running a property -and publish the result using a [`Reporter`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/Reporter.html): +and publish the result using a [`Reporter`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/Reporter.html): ```java @Property(tries = 100) @@ -3913,7 +3960,7 @@ timestamp = ..., time = 2804 ms ##### AroundTryHook Wrapping the execution of a single try can be achieved by implementing -[`AroundTryHook`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/AroundTryHook.html). +[`AroundTryHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/AroundTryHook.html). This hook can be used for a lot of things. An incomplete list: - Closely watch each execution of a property method @@ -3964,7 +4011,7 @@ org.opentest4j.AssertionFailedError: sleepingProperty was too slow: 100 ms Besides the well-known `@ForAll`-parameters, property methods and [annotated lifecycle methods](#annotated-lifecycle-methods) can take other parameters as well. These can be injected by concrete implementations of -[`ResolveParameterHook`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/ResolveParameterHook.html). +[`ResolveParameterHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/ResolveParameterHook.html). Consider this stateful `Calculator`: @@ -4027,7 +4074,7 @@ There are a few constraints regarding parameter resolution of which you should b ##### RegistrarHook -Use [`RegistrarHook`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/RegistrarHook.html) +Use [`RegistrarHook`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/RegistrarHook.html) if you need to apply several hook implementations that implement the desired behaviour together but cannot be implemented in a single class. For example, more than one implementation of the same hook type is needed, @@ -4048,14 +4095,14 @@ You cannot use a hook instance's member variables to hold state that should be s across all tries of a property or across all properties of a container or across different lifecycle phases of a single try. That's when lifecycle storage management enters the stage in the form of type -[`net.jqwik.api.lifecycle.Store`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/Store.html). +[`net.jqwik.api.lifecycle.Store`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/Store.html). A `Store` object... - holds a single piece of shared state - has a _globally unique identifier_ of your choice. The identifier can be just a string or you compose whatever you deem necessary to make it unique. -- has a [`Lifespan`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/Lifespan.html). +- has a [`Lifespan`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/Lifespan.html). The lifespan determines when the initializer of a store will be called: - `Lifespan.RUN`: Only on first access - `Lifespan.PROPERTY`: On first access of each single property method (or one of its lifecycle hook methods) @@ -4135,7 +4182,7 @@ There are a few interesting things going on: - The temporary file is created only once per try. That means that all parameters in the scope of this try will contain _the same file_. - A callback is added through - [`onClose(..)`](/docs/1.3.1/javadoc/net/jqwik/api/lifecycle/Store.html#onClose-java.util.function.Consumer-) + [`onClose(..)`](/docs/1.3.2/javadoc/net/jqwik/api/lifecycle/Store.html#onClose-java.util.function.Consumer-) which takes care of deleting the file as soon as the lifespan's scope (the try) is finished. With this information you can probably figure out how the following test container works -- @@ -4182,10 +4229,10 @@ The different types of status are: -`INTERNAL`: Must not be used by any code other than _jqwik_ itself. Might be removed without prior notice. Since annotation `@API` has runtime retention you find the actual API status in an element's source code, -its [Javadoc](/docs/1.3.1/javadoc) but also through reflection. +its [Javadoc](/docs/1.3.2/javadoc) but also through reflection. If a certain element, e.g. a method, is not annotated itself, then it carries the status of its containing class. ## Release Notes -Read this version's [release notes](/release-notes.html#131). +Read this version's [release notes](/release-notes.html#132). diff --git a/docs/release-notes.md b/docs/release-notes.md index ae92607f2..0b9e82535 100644 --- a/docs/release-notes.md +++ b/docs/release-notes.md @@ -9,7 +9,7 @@ title: jqwik Release Notes ### Table of Contents -- [1.3.2-SNAPSHOT](#132-snapshot) +- [1.3.2](#132) - [1.3.1](#131) - [1.3.0](#130) - [1.2.x](#12x) @@ -20,12 +20,12 @@ title: jqwik Release Notes -## 1.3.2-SNAPSHOT +## 1.3.2

-User guide +User guide and -javadoc +javadoc

@@ -45,7 +45,7 @@ and Most other PBT libraries seem to use `just` for this functionality. - Added programmatic access to - [JUnit 5 platform reporting](/docs/snapshot/user-guide.html#platform-reporting-with-reporter-object) + [JUnit 5 platform reporting](/docs/1.3.2/user-guide.html#platform-reporting-with-reporter-object) #### Breaking Changes