File size: 4,183 Bytes
18a519f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | using System;
using System.Collections;
using NUnit.Framework;
using UnityEngine;
using UnityEngine.TestTools;
using UnityEngine.UI;
[TestFixture]
public class LayoutGroupArrangement
{
const float k_LayoutDefaultSize = 100f;
GameObject m_Canvas;
GameObject m_LayoutGameObject;
RectTransform m_Child1;
RectTransform m_Child2;
[SetUp]
public void TestSetup()
{
m_Canvas = new GameObject("Canvas", typeof(Canvas));
m_LayoutGameObject = new GameObject("LayoutGroup", typeof(RectTransform));
m_LayoutGameObject.transform.SetParent(m_Canvas.transform, false);
m_LayoutGameObject.GetComponent<RectTransform>().sizeDelta =
new Vector2(k_LayoutDefaultSize, k_LayoutDefaultSize);
m_Child1 = new GameObject("Child1").AddComponent<RectTransform>();
m_Child1.SetParent(m_LayoutGameObject.transform, false);
m_Child2 = new GameObject("Child2").AddComponent<RectTransform>();
m_Child2.SetParent(m_LayoutGameObject.transform, false);
}
[UnityTest]
[Category("RegressionTest")]
[Description("Nested GameObjects without a Layout Element will effect a Layout Group's arrangement (case 1026779)")]
public IEnumerator LayoutGroup_ShouldResizeChildren_AfterDisablingAndEnablingAnyChild(
[Values(typeof(HorizontalLayoutGroup), typeof(VerticalLayoutGroup))]
Type layoutGroup)
{
var layoutComponent = (HorizontalOrVerticalLayoutGroup)m_LayoutGameObject.AddComponent(layoutGroup);
layoutComponent.childForceExpandHeight = true;
layoutComponent.childForceExpandWidth = true;
layoutComponent.childControlHeight = true;
layoutComponent.childControlWidth = true;
Assert.That(m_LayoutGameObject.GetComponent<RectTransform>().sizeDelta,
Is.EqualTo(Vector2.one * k_LayoutDefaultSize),
"Layout's size should not change after adding the " + layoutGroup.Name);
yield return null;
// HorizontalLayoutGroup will rearrange the children to have width equal to half the layout's width.
var expectedWidth = layoutGroup == typeof(HorizontalLayoutGroup)
? k_LayoutDefaultSize / 2
: k_LayoutDefaultSize;
// VerticalLayoutGroup will rearrange the children to have height equal to half the layout's height.
var expectedHeight = layoutGroup == typeof(VerticalLayoutGroup) ? k_LayoutDefaultSize / 2 : k_LayoutDefaultSize;
Assert.That(m_Child1.sizeDelta.x, Is.EqualTo(expectedWidth),
"Adding " + layoutGroup.Name + " did not resize the first child.");
Assert.That(m_Child1.sizeDelta.y, Is.EqualTo(expectedHeight),
"Adding " + layoutGroup.Name + " did not resize the first child.");
Assert.That(m_Child2.sizeDelta, Is.EqualTo(m_Child1.sizeDelta), "Both children should be of the same size.");
// Disable the second child and verify that the first child is resized to have size equal to the layout's size.
m_Child2.gameObject.SetActive(false);
yield return null;
Assert.That(m_Child1.sizeDelta.x, Is.EqualTo(k_LayoutDefaultSize),
layoutGroup.Name + " did not resize the first child after disabling the second child.");
Assert.That(m_Child1.sizeDelta.y, Is.EqualTo(k_LayoutDefaultSize),
layoutGroup.Name + " did not resize the first child after disabling the second child.");
// Enable the second child and verify that the first child is resized to the expected width/height.
m_Child2.gameObject.SetActive(true);
yield return null;
Assert.That(m_Child1.sizeDelta.x, Is.EqualTo(expectedWidth),
layoutGroup.Name + " did not resize the first child after enabling the second child.");
Assert.That(m_Child1.sizeDelta.y, Is.EqualTo(expectedHeight),
layoutGroup.Name + " did not resize the first child after enabling the second child.");
Assert.That(m_Child2.sizeDelta, Is.EqualTo(m_Child1.sizeDelta), "Both children should be of the same size.");
}
[TearDown]
public void TearDown()
{
GameObject.DestroyImmediate(m_Canvas);
}
}
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