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

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2023-03-28 13:24:16 -04:00
using UnityEngine;
using UnityEngine.TestTools;
using NUnit.Framework;
using System.Collections;
using UnityEngine.UI;
[TestFixture]
[Category("RegressionTest")]
[Description("Case 723062")]
public class SiblingOrderChangesLayout
{
GameObject m_CanvasGO;
GameObject m_ParentGO;
GameObject m_Child1GO;
GameObject m_Child2GO;
[SetUp]
public void TestSetup()
{
m_CanvasGO = new GameObject("Canvas", typeof(Canvas));
m_ParentGO = new GameObject("ParentRenderer");
m_Child1GO = CreateTextObject("ChildRenderer1");
m_Child2GO = CreateTextObject("ChildRenderer2");
#if UNITY_EDITOR
UnityEditor.EditorApplication.ExecuteMenuItem("Window/General/Game");
#endif
}
[UnityTest]
public IEnumerator ReorderingSiblingChangesLayout()
{
m_ParentGO.transform.SetParent(m_CanvasGO.transform);
m_Child1GO.transform.SetParent(m_ParentGO.transform);
m_Child2GO.transform.SetParent(m_ParentGO.transform);
m_ParentGO.AddComponent<CanvasRenderer>();
m_ParentGO.AddComponent<RectTransform>();
m_ParentGO.AddComponent<VerticalLayoutGroup>();
m_ParentGO.AddComponent<ContentSizeFitter>();
yield return new WaitForEndOfFrame();
Vector2 child1Pos = m_Child1GO.GetComponent<RectTransform>().anchoredPosition;
Vector2 child2Pos = m_Child2GO.GetComponent<RectTransform>().anchoredPosition;
Assert.That(child1Pos, Is.Not.EqualTo(child2Pos));
Assert.That(m_Child1GO.GetComponent<CanvasRenderer>().hasMoved, Is.False, "CanvasRenderer.hasMoved should be false");
m_Child2GO.transform.SetAsFirstSibling();
Canvas.ForceUpdateCanvases();
Assert.That(m_Child1GO.GetComponent<CanvasRenderer>().hasMoved, Is.True, "CanvasRenderer.hasMoved should be true");
Vector2 newChild1Pos = m_Child1GO.GetComponent<RectTransform>().anchoredPosition;
Vector2 newChild2Pos = m_Child2GO.GetComponent<RectTransform>().anchoredPosition;
Assert.That(newChild1Pos, Is.EqualTo(child2Pos), "Child1 should have moved to Child2's position");
Assert.That(newChild2Pos, Is.EqualTo(child1Pos), "Child2 should have moved to Child1's position");
}
[TearDown]
public void TearDown()
{
GameObject.DestroyImmediate(m_CanvasGO);
}
// Factory method for creating UI text objects taken from the original bug repro scene:
private GameObject CreateTextObject(string name)
{
GameObject outputTextGameObject = new GameObject("OutputContent", typeof(CanvasRenderer));
RectTransform outputTextTransform = outputTextGameObject.AddComponent<RectTransform>();
outputTextTransform.pivot = new Vector2(0.5f, 0);
outputTextTransform.anchorMin = Vector2.zero;
outputTextTransform.anchorMax = new Vector2(1, 0);
outputTextTransform.anchoredPosition = Vector2.zero;
outputTextTransform.sizeDelta = Vector2.zero;
Text outputText = outputTextGameObject.AddComponent<Text>();
outputText.text = "Hello World!";
outputTextGameObject.name = name;
return outputTextGameObject;
}
}