Added unit tests for VectorExtensions

Author: aalmada

Assets/HoloToolkit-UnitTests.meta

@@ -0,0 +1,109 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See LICENSE in the project root for license information.
+
+using System;
+using NUnit.Framework;
+using UnityEngine;
+
+namespace HoloToolkit.Unity.Tests
+{
+    public class VectorExtensionsTests
+    {
+        [Test]
+        public void Vector2_Mul()
+        {
+            Vector2 value = new Vector2(2f, 3f);
+            Vector2 scale = new Vector2(2f, 3f);
+            Vector2 expected = new Vector2(4f, 9f);
+            Assert.That(value.Mul(scale), Is.EqualTo(expected));
+        }
+
+        [Test]
+        public void Vector2_Div()
+        {
+            Vector2 value = new Vector2(2f, 3f);
+            Vector2 scale = new Vector2(2f, 3f);
+            Vector2 expected = new Vector2(1f, 1f);
+            Assert.That(value.Div(scale), Is.EqualTo(expected));
+        }
+
+        [Test]
+        public void Vector3_Mul()
+        {
+            Vector3 value = new Vector3(2f, 3f, 4f);
+            Vector3 scale = new Vector3(2f, 3f, 4f);
+            Vector3 expected = new Vector3(4f, 9f, 16f);
+            Assert.That(value.Mul(scale), Is.EqualTo(expected));
+        }
+
+        [Test]
+        public void Vector3_Div()
+        {
+            Vector3 value = new Vector3(2f, 3f, 4f);
+            Vector3 scale = new Vector3(2f, 3f, 4f);
+            Vector3 expected = new Vector3(1f, 1f, 1f);
+            Assert.That(value.Div(scale), Is.EqualTo(expected));
+        }
+
+        [Test]
+        public void Vector3_RotateAround_Quaternion()
+        {
+            Vector3 point = new Vector3(0f, 0f, 0f);
+            Vector3 pivot = new Vector3(1f, 1f, 1f);
+            Quaternion rotation = Quaternion.AngleAxis(180f, new Vector3(0f, 0f, 1f));
+            Vector3 expected = new Vector3(2f, 2f, 0f);
+            Assert.That(point.RotateAround(pivot, rotation), Is.EqualTo(expected).Within(1f).Ulps);
+        }
+
+        [Test]
+        public void Vector3_RotateAround_Euler()
+        {
+            Vector3 point = new Vector3(0f, 0f, 0f);
+            Vector3 pivot = new Vector3(1f, 1f, 1f);
+            Vector3 rotation = new Vector3(0f, 0f, 180f);
+            Vector3 expected = new Vector3(2f, 2f, 0f);
+            Assert.That(point.RotateAround(pivot, rotation), Is.EqualTo(expected).Within(1f).Ulps);
+        }
+
+        [Test]
+        public void Vector3_TransformPoint()
+        {
+            throw new NotImplementedException();
+        }
+
+        [Test]
+        public void Vector3_InverseTransformPoint()
+        {
+            throw new NotImplementedException();
+        }
+
+        [Test]
+        public void Vector3Collection_Average_Empty()
+        {
+            var vectors = new Vector3[] { };
+            Assert.That(VectorExtensions.Average(vectors), Is.EqualTo(Vector3.zero));
+        }
+
+        [Test]
+        public void Vector3Collection_Average()
+        {
+            var vectors = new Vector3[] { new Vector3(1f, 2f, 3f), new Vector3(2f, 3f, 4f) };
+            Assert.That(VectorExtensions.Average(vectors), Is.EqualTo(new Vector3(1.5f, 2.5f, 3.5f)));
+        }
+
+        [Test]
+        public void Vector3Collection_Median_Empty()
+        {
+            var vectors = new Vector3[] { };
+            Assert.That(VectorExtensions.Median(vectors), Is.EqualTo(Vector3.zero));
+        }
+
+        [Test]
+        public void Vector3Collection_Median()
+        {
+            var vectors = new Vector3[] { new Vector3(10f, 10f, 10f), new Vector3(1f, 1f, 1f), new Vector3(5f, 5f, 5f) };
+            Assert.That(VectorExtensions.Median(vectors), Is.EqualTo(new Vector3(5f, 5f, 5f)));
+        }
+
+    }
+}