PO/Library/PackageCache/com.unity.ugui@1.0.0/Tests/Runtime/Layout/LayoutGroupScaling.cs

104 lines
4.3 KiB
C#

using System.Collections;
using System.IO;
using NUnit.Framework;
using UnityEditor;
using UnityEngine;
using UnityEngine.TestTools;
using UnityEngine.UI;
// test for case 879374 - Checks that layout group children scale properly when scaleWidth / scaleHeight are toggled
namespace LayoutTests
{
public class LayoutGroupScaling : IPrebuildSetup
{
GameObject m_PrefabRoot;
GameObject m_CameraGO;
const string kPrefabPath = "Assets/Resources/LayoutGroupScalingPrefab.prefab";
public void Setup()
{
#if UNITY_EDITOR
var rootGO = new GameObject("RootGO");
var rootCanvasGO = new GameObject("Canvas", typeof(Canvas), typeof(CanvasScaler));
rootCanvasGO.GetComponent<Canvas>().renderMode = RenderMode.ScreenSpaceOverlay;
rootCanvasGO.transform.SetParent(rootGO.transform);
var layoutGroupGO = new GameObject("LayoutGroup");
layoutGroupGO.transform.SetParent(rootCanvasGO.transform);
HorizontalLayoutGroup layoutGroup = layoutGroupGO.AddComponent<HorizontalLayoutGroup>();
layoutGroup.childControlHeight = true;
layoutGroup.childControlWidth = true;
ContentSizeFitter contentSizeFitter = layoutGroupGO.AddComponent<ContentSizeFitter>();
contentSizeFitter.horizontalFit = ContentSizeFitter.FitMode.PreferredSize;
contentSizeFitter.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
for (int i = 0; i < 10; i++)
{
var elementGO = new GameObject("image(" + i + ")", typeof(Image));
var layoutElement = elementGO.AddComponent<LayoutElement>();
layoutElement.preferredWidth = 50;
layoutElement.preferredHeight = 50;
elementGO.transform.localScale = new Vector3(0.5f, 0.5f, 0.5f);
elementGO.transform.SetParent(layoutGroupGO.transform);
}
if (!Directory.Exists("Assets/Resources/"))
Directory.CreateDirectory("Assets/Resources/");
UnityEditor.PrefabUtility.SaveAsPrefabAsset(rootGO, kPrefabPath);
GameObject.DestroyImmediate(rootGO);
#endif
}
[SetUp]
public void TestSetup()
{
m_PrefabRoot = Object.Instantiate(Resources.Load("LayoutGroupScalingPrefab")) as GameObject;
m_CameraGO = new GameObject("Camera", typeof(Camera));
}
[UnityTest]
public IEnumerator LayoutGroup_CorrectChildScaling()
{
GameObject layoutGroupGO = m_PrefabRoot.GetComponentInChildren<HorizontalLayoutGroup>().gameObject;
Rect dimentions = (layoutGroupGO.transform as RectTransform).rect;
layoutGroupGO.GetComponent<HorizontalLayoutGroup>().childScaleWidth = true;
layoutGroupGO.GetComponent<HorizontalLayoutGroup>().childScaleHeight = true;
yield return null;
Rect newDimentions = (layoutGroupGO.transform as RectTransform).rect;
Assert.IsTrue(Mathf.Approximately(dimentions.width * 0.5f, newDimentions.width));
Assert.IsTrue(Mathf.Approximately(dimentions.height * 0.5f, newDimentions.height));
yield return null;
Object.DestroyImmediate(layoutGroupGO.GetComponent<HorizontalLayoutGroup>());
VerticalLayoutGroup layoutGroup = layoutGroupGO.AddComponent<VerticalLayoutGroup>();
layoutGroup.childControlHeight = true;
layoutGroup.childControlWidth = true;
yield return null;
dimentions = (layoutGroupGO.transform as RectTransform).rect;
layoutGroup.childScaleWidth = true;
layoutGroup.childScaleHeight = true;
yield return null;
newDimentions = (layoutGroupGO.transform as RectTransform).rect;
Assert.IsTrue(Mathf.Approximately(dimentions.width * 0.5f, newDimentions.width));
Assert.IsTrue(Mathf.Approximately(dimentions.height * 0.5f, newDimentions.height));
}
[TearDown]
public void TearDown()
{
Object.DestroyImmediate(m_PrefabRoot);
GameObject.DestroyImmediate(m_CameraGO);
}
[OneTimeTearDown]
public void OneTimeTearDown()
{
#if UNITY_EDITOR
AssetDatabase.DeleteAsset(kPrefabPath);
#endif
}
}
}