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