Initial Commit

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

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+using UnityEngine;
+using UnityEngine.TestTools;
+using NUnit.Framework;
+using System.Collections;
+using UnityEngine.UI;
+
+[TestFixture]
+public class CanvasGroupTests
+{
+    GameObject m_CanvasObject;
+    CanvasGroup m_CanvasGroup;
+
+    CanvasRenderer m_ChildCanvasRenderer;
+    CanvasGroup m_ChildCanvasGroup;
+
+    CanvasRenderer m_GrandChildCanvasRenderer;
+    CanvasGroup m_GrandChildCanvasGroup;
+
+    GameObject m_CanvasTwoObject;
+    CanvasGroup m_CanvasTwoGroup;
+
+    CanvasRenderer m_ChildCanvasTwoRenderer;
+
+    const float m_CanvasAlpha = 0.25f;
+    const float m_ChildAlpha = 0.5f;
+    const float m_GrandChildAlpha = 0.8f;
+
+    [SetUp]
+    public void TestSetup()
+    {
+        m_CanvasObject = new GameObject("Canvas", typeof(Canvas));
+        m_CanvasGroup = m_CanvasObject.AddComponent<CanvasGroup>();
+        m_CanvasGroup.alpha = m_CanvasAlpha;
+
+        var childObject = new GameObject("Child Object", typeof(Image));
+        childObject.transform.SetParent(m_CanvasObject.transform);
+        m_ChildCanvasGroup = childObject.AddComponent<CanvasGroup>();
+        m_ChildCanvasGroup.alpha = m_ChildAlpha;
+        m_ChildCanvasRenderer = childObject.GetComponent<CanvasRenderer>();
+
+        var grandChildObject = new GameObject("Grand Child Object", typeof(Image));
+        grandChildObject.transform.SetParent(childObject.transform);
+        m_GrandChildCanvasGroup = grandChildObject.AddComponent<CanvasGroup>();
+        m_GrandChildCanvasGroup.alpha = m_GrandChildAlpha;
+        m_GrandChildCanvasRenderer = grandChildObject.GetComponent<CanvasRenderer>();
+
+        m_CanvasTwoObject = new GameObject("CanvasTwo", typeof(Canvas));
+        m_CanvasTwoObject.transform.SetParent(m_CanvasObject.transform);
+        m_CanvasTwoGroup = m_CanvasTwoObject.AddComponent<CanvasGroup>();
+        m_CanvasTwoGroup.alpha = m_CanvasAlpha;
+
+        var childTwoObject = new GameObject("Child Two Object", typeof(Image));
+        childTwoObject.transform.SetParent(m_CanvasTwoObject.transform);
+        m_ChildCanvasTwoRenderer = childTwoObject.GetComponent<CanvasRenderer>();
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        GameObject.DestroyImmediate(m_CanvasObject);
+    }
+
+    private void SetUpCanvasGroupState()
+    {
+        m_CanvasGroup.enabled = false;
+        m_CanvasGroup.ignoreParentGroups = false;
+        m_ChildCanvasGroup.enabled = false;
+        m_ChildCanvasGroup.ignoreParentGroups = false;
+        m_GrandChildCanvasGroup.enabled = false;
+        m_GrandChildCanvasGroup.ignoreParentGroups = false;
+
+        m_CanvasTwoGroup.enabled = false;
+        m_CanvasTwoGroup.ignoreParentGroups = false;
+    }
+
+    [Test]
+    public void EnabledCanvasGroupEffectSelfAndChildrenAlpha()
+    {
+        // Set up the states of the canvas groups for the tests.
+        SetUpCanvasGroupState();
+
+        // With no enabled CanvasGroup the Alphas should be 1
+        Assert.AreEqual(1.0f, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(1.0f, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+
+        // Enable the child CanvasGroup. It and its children should now have the same alpha value.
+        m_ChildCanvasGroup.enabled = true;
+
+        Assert.AreEqual(m_ChildAlpha, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(m_ChildAlpha, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+    }
+
+    [Test]
+    public void EnabledCanvasGroupOnACanvasEffectAllChildrenAlpha()
+    {
+        // Set up the states of the canvas groups for the tests.
+        SetUpCanvasGroupState();
+
+        // With no enabled CanvasGroup the Alphas should be 1
+        Assert.AreEqual(1.0f, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(1.0f, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+
+        // Children under a different nest canvas should also obey the alpha
+        Assert.AreEqual(1.0f, m_ChildCanvasTwoRenderer.GetInheritedAlpha());
+
+        // Enable the Canvas CanvasGroup. All of the Canvas children should now have the same alpha value.
+        m_CanvasGroup.enabled = true;
+
+        Assert.AreEqual(m_CanvasAlpha, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(m_CanvasAlpha, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+
+        // Children under a different nest canvas should also obey the alpha
+        Assert.AreEqual(m_CanvasAlpha, m_ChildCanvasTwoRenderer.GetInheritedAlpha());
+    }
+
+    [Test]
+    public void EnabledCanvasGroupOnLeafChildEffectOnlyThatChild()
+    {
+        // Set up the states of the canvas groups for the tests.
+        SetUpCanvasGroupState();
+
+        // With no enabled CanvasGroup the Alphas should be 1
+        Assert.AreEqual(1.0f, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(1.0f, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+
+        // Enable the Leaf child CanvasGroup. Only it should have a modified alpha
+        m_GrandChildCanvasGroup.enabled = true;
+
+        Assert.AreEqual(1.0f, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(m_GrandChildAlpha, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+    }
+
+    [Test]
+    public void EnabledCanvasGroupOnCanvasAndChildMultipleAlphaValuesCorrectly()
+    {
+        // Set up the states of the canvas groups for the tests.
+        SetUpCanvasGroupState();
+
+        // With no enabled CanvasGroup the Alphas should be 1
+        Assert.AreEqual(1.0f, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(1.0f, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+
+        // Enable the Canvas CanvasGroup. All of the Canvas children should now have the same alpha value.
+        m_CanvasGroup.enabled = true;
+        m_ChildCanvasGroup.enabled = true;
+        Assert.AreEqual(m_CanvasAlpha * m_ChildAlpha, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(m_CanvasAlpha * m_ChildAlpha, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+    }
+
+    [Test]
+    public void EnabledCanvasGroupOnCanvasAndChildWithChildIgnoringParentGroupMultipleAlphaValuesCorrectly()
+    {
+        // Set up the states of the canvas groups for the tests.
+        SetUpCanvasGroupState();
+
+        // With no enabled CanvasGroup the Alphas should be 1
+        Assert.AreEqual(1.0f, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(1.0f, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+
+        // Enable the Canvas CanvasGroup. All of the Canvas children should now have the same alpha value.
+        m_CanvasGroup.enabled = true;
+        m_ChildCanvasGroup.enabled = true;
+        m_ChildCanvasGroup.ignoreParentGroups = true;
+        Assert.AreEqual(m_ChildAlpha, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(m_ChildAlpha, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+    }
+
+    [Test]
+    public void EnabledCanvasGroupOnCanvasAndChildrenWithAllChildrenIgnoringParentGroupMultipleAlphaValuesCorrectly()
+    {
+        // Set up the states of the canvas groups for the tests.
+        SetUpCanvasGroupState();
+
+        // With no enabled CanvasGroup the Alphas should be 1
+        Assert.AreEqual(1.0f, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(1.0f, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+
+        // Enable the Canvas CanvasGroup. All of the Canvas children should now have the same alpha value.
+        m_CanvasGroup.enabled = true;
+        m_ChildCanvasGroup.enabled = true;
+        m_GrandChildCanvasGroup.enabled = true;
+        m_ChildCanvasGroup.ignoreParentGroups = true;
+        m_GrandChildCanvasGroup.ignoreParentGroups = true;
+        Assert.AreEqual(m_ChildAlpha, m_ChildCanvasRenderer.GetInheritedAlpha());
+        Assert.AreEqual(m_GrandChildAlpha, m_GrandChildCanvasRenderer.GetInheritedAlpha());
+    }
+
+    [Test]
+    public void EnabledCanvasGroupOnNestedCanvasIgnoringParentGroupMultipleAlphaValuesCorrectly()
+    {
+        // Set up the states of the canvas groups for the tests.
+        SetUpCanvasGroupState();
+
+        // With no enabled CanvasGroup the Alphas should be 1
+        Assert.AreEqual(1.0f, m_ChildCanvasTwoRenderer.GetInheritedAlpha());
+
+        // Enable the Canvas CanvasGroup. All of the Canvas children should now have the same alpha value.
+        m_CanvasGroup.enabled = true;
+        m_CanvasTwoGroup.enabled = true;
+        m_CanvasTwoGroup.ignoreParentGroups = true;
+        Assert.AreEqual(m_CanvasAlpha, m_ChildCanvasTwoRenderer.GetInheritedAlpha());
+    }
+}