Add unit test for FindCenter

Author: vkovec

Assets/FbxExporters/Editor/UnitTests/ModelExporterTest.cs

@@ -0,0 +1,63 @@
+// ***********************************************************************
+// Copyright (c) 2017 Unity Technologies. All rights reserved.
+//
+// Licensed under the ##LICENSENAME##.
+// See LICENSE.md file in the project root for full license information.
+// ***********************************************************************
+
+using UnityEngine;
+using UnityEditor;
+using UnityEngine.TestTools;
+using NUnit.Framework;
+using System.Collections.Generic;
+
+namespace FbxExporters.UnitTests
+{
+    public class ModelExporterTest
+    {
+        // add any GameObject that gets created to this list
+        // so that it gets deleted in the TearDown
+        private List<GameObject> m_createdObjects;
+
+        [SetUp]
+        public void Init()
+        {
+            m_createdObjects = new List<GameObject> ();
+        }
+
+        [TearDown]
+        public void Term()
+        {
+            foreach (var obj in m_createdObjects) {
+                GameObject.DestroyImmediate (obj);
+            }
+        }
+
+
+        [Test]
+        public void TestFindCenter ()
+        {
+            // Create 3 objects
+            var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
+            var cube1 = GameObject.CreatePrimitive (PrimitiveType.Cube);
+            var cube2 = GameObject.CreatePrimitive (PrimitiveType.Cube);
+
+            m_createdObjects.Add (cube);
+            m_createdObjects.Add (cube1);
+            m_createdObjects.Add (cube2);
+
+            // Set their transforms
+            cube.transform.localPosition = new Vector3 (23, -5, 10);
+            cube1.transform.localPosition = new Vector3 (23, -5, 4);
+            cube1.transform.localScale = new Vector3 (1, 1, 2);
+            cube2.transform.localPosition = new Vector3 (28, 0, 10);
+            cube2.transform.localScale = new Vector3 (3, 1, 1);
+
+            // Find the center
+            var center = FbxExporters.Editor.ModelExporter.FindCenter(new GameObject[]{cube,cube1,cube2});
+
+            // Check that it is what we expect
+            Assert.AreEqual(center, new Vector3(26, -2.5f, 6.75f));
+        }
+    }
+}