Initial Commit

Library/PackageCache/com.unity.ugui@1.0.0/Tests/Runtime/Canvas/RectTransformValidAfterEnable.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Collections;
+using UnityEngine;
+using UnityEngine.TestTools;
+using NUnit.Framework;
+using UnityEngine.SceneManagement;
+using UnityEngine.UI;
+using UnityEditor;
+
+[TestFixture]
+public class RectTransformValidAfterEnable : IPrebuildSetup
+{
+    const string kSceneName = "DisabledCanvasScene";
+    const string kGameObjectName = "DisabledCanvas";
+    public void Setup()
+    {
+#if UNITY_EDITOR
+        Action codeToExecute = delegate()
+        {
+            var canvasGameObject = new GameObject(kGameObjectName, typeof(Canvas));
+            canvasGameObject.SetActive(false);
+            canvasGameObject.GetComponent<Canvas>().renderMode = RenderMode.ScreenSpaceOverlay;
+            canvasGameObject.GetComponent<RectTransform>().sizeDelta = new Vector2(0, 0);
+            canvasGameObject.GetComponent<RectTransform>().anchoredPosition = new Vector2(0, 0);
+            CanvasScaler canvasScaler = canvasGameObject.AddComponent<CanvasScaler>();
+            canvasScaler.uiScaleMode = CanvasScaler.ScaleMode.ScaleWithScreenSize;
+            canvasScaler.referenceResolution = new Vector2(1024, 768);
+        };
+        CreateSceneUtility.CreateScene(kSceneName, codeToExecute);
+#endif
+    }
+
+    [UnityTest]
+    public IEnumerator CheckRectTransformValidAfterEnable()
+    {
+        AsyncOperation operation = SceneManager.LoadSceneAsync(kSceneName, LoadSceneMode.Additive);
+        yield return operation;
+
+        Scene scene = SceneManager.GetSceneByName(kSceneName);
+        GameObject[] gameObjects = scene.GetRootGameObjects();
+        GameObject canvasGameObject = null;
+        foreach (GameObject gameObject in gameObjects)
+        {
+            if (gameObject.name == kGameObjectName)
+            {
+                canvasGameObject = gameObject;
+                break;
+            }
+        }
+        Assert.IsNotNull(canvasGameObject);
+
+        RectTransform rectTransform = canvasGameObject.GetComponent<RectTransform>();
+        canvasGameObject.SetActive(true);
+
+        yield return new WaitForEndOfFrame();
+
+        Rect rect = rectTransform.rect;
+        Assert.Greater(rect.width, 0);
+        Assert.Greater(rect.height, 0);
+
+        operation = SceneManager.UnloadSceneAsync(kSceneName);
+        yield return operation;
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        //Manually add Assets/ and .unity as CreateSceneUtility does that for you.
+#if UNITY_EDITOR
+        AssetDatabase.DeleteAsset("Assets/" + kSceneName + ".unity");
+#endif
+    }
+}