Initial Commit

Library/PackageCache/com.unity.ugui@1.0.0/Tests/Editor/RectMask2D/RectMask2DCulling.cs

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+using NUnit.Framework;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class RectMask2DCulling : TestBehaviourBase<UnityEngine.Canvas>
+{
+    [Test]
+    public void CullFlagNotResetWhenReparented740604()
+    {
+        var noMaskGameObject = new GameObject("noMaskGO");
+        noMaskGameObject.AddComponent<RectTransform>();
+
+        var maskGameObject = new GameObject("MaskGO");
+        var rectMask2D = maskGameObject.AddComponent<RectMask2D>();
+
+        noMaskGameObject.transform.SetParent(m_TestObject.transform);
+        maskGameObject.transform.SetParent(m_TestObject.transform);
+
+        noMaskGameObject.GetComponent<RectTransform>().sizeDelta = new Vector2(800, 800);
+        maskGameObject.GetComponent<RectTransform>().sizeDelta = new Vector2(400, 400);
+
+        var imageGameObject = new GameObject("ImageGO");
+        var image = imageGameObject.AddComponent<Image>();
+        imageGameObject.transform.SetParent(maskGameObject.transform);
+
+        imageGameObject.GetComponent<RectTransform>().sizeDelta = new Vector2(100, 100);
+
+        // Start with image inside RectMask2D area so that it's no culled
+        rectMask2D.PerformClipping();
+        Assert.IsFalse(image.canvasRenderer.cull);
+
+        // Move image outside of RectMask2D so that it is culled
+        imageGameObject.GetComponent<RectTransform>().position = new Vector2(275, 275);
+        rectMask2D.PerformClipping();
+        Assert.IsTrue(image.canvasRenderer.cull);
+
+        // Change parent to noMask so that it's unaffected by RectMask2D and isn't culled
+        imageGameObject.transform.SetParent(noMaskGameObject.transform);
+        rectMask2D.PerformClipping();
+        Assert.IsFalse(image.canvasRenderer.cull);
+    }
+}