From 80b8b4dc5167802f227d9557d4159eb76152e5d3 Mon Sep 17 00:00:00 2001
From: rmanoka <rajsekar@gmail.com>
Date: Wed, 15 Sep 2021 21:51:57 +0530
Subject: [PATCH] Fix typos, add tests
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Co-authored-by: Laurențiu Nicola <lnicola@users.noreply.github.com>

Add trivial test for z coordinate.
---
 src/spatial_ref/srs.rs   | 4 ++--
 src/spatial_ref/tests.rs | 7 ++++---
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/spatial_ref/srs.rs b/src/spatial_ref/srs.rs
index 4ee9aa16..7367f0b0 100644
--- a/src/spatial_ref/srs.rs
+++ b/src/spatial_ref/srs.rs
@@ -44,7 +44,7 @@ impl CoordTransform {
         assert_eq!(
             nb_coords,
             y.len(),
-            "transform coordinate slices have different length: {} != {}",
+            "transform coordinate slices have different lengths: {} != {}",
             nb_coords,
             y.len()
         );
@@ -60,7 +60,7 @@ impl CoordTransform {
                     assert_eq!(
                         nb_coords,
                         z.len(),
-                        "transform coordinate slices have different length: {} != {}",
+                        "transform coordinate slices have different lengths: {} != {}",
                         nb_coords,
                         z.len()
                     );
diff --git a/src/spatial_ref/tests.rs b/src/spatial_ref/tests.rs
index 8a59f471..0079920c 100644
--- a/src/spatial_ref/tests.rs
+++ b/src/spatial_ref/tests.rs
@@ -80,11 +80,13 @@ fn transform_coordinates() {
     let transform = CoordTransform::new(&spatial_ref1, &spatial_ref2).unwrap();
     let mut xs = [23.43, 23.50];
     let mut ys = [37.58, 37.70];
+    let mut zs = [32.0, 20.0];
     transform
-        .transform_coords(&mut xs, &mut ys, &mut [])
+        .transform_coords(&mut xs, &mut ys, &mut zs)
         .unwrap();
     assert_almost_eq(xs[0], 5509543.1508097);
     assert_almost_eq(ys[0], 1716062.1916192223);
+    assert_almost_eq(zs[0], 32.0);
 }
 
 #[test]
@@ -169,10 +171,9 @@ fn failing_transformation() {
 
     let mut x = [1000000.0];
     let mut y = [1000000.0];
-    let mut z = [0.0];
 
     let trafo = CoordTransform::new(&wgs84, &webmercator).unwrap();
-    let r = trafo.transform_coords(&mut x, &mut y, &mut z);
+    let r = trafo.transform_coords(&mut x, &mut y, &mut []);
 
     assert!(r.is_err());
     if let GdalError::InvalidCoordinateRange { .. } = r.unwrap_err() {