playtest-unity/playtest/Library/PackageCache/com.unity.ugui@1.0.0/Tests/Runtime/ScrollRect/ScrollRectStableLayout.cs

129 lines
5.0 KiB
C#

using System.IO;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.TestTools;
using NUnit.Framework;
using System.Collections;
using UnityEditor;
/*
This test checks if a clamped scrollRect with a content rect that has the same width and a canvas with scaling will stay stable for 5 frames.
Test for case (1010178-Clamped ScrollRect with scalling cause a large spike in performance)
*/
public class ScrollRectStableLayout : IPrebuildSetup
{
GameObject m_PrefabRoot;
GameObject m_CameraGO;
const string kPrefabPath = "Assets/Resources/ScrollRectStableLayoutPrefab.prefab";
public void Setup()
{
#if UNITY_EDITOR
var rootGO = new GameObject("RootGO");
var rootCanvasGO = new GameObject("Canvas", typeof(Canvas), typeof(CanvasScaler));
rootCanvasGO.transform.SetParent(rootGO.transform);
var canvas = rootCanvasGO.GetComponent<Canvas>();
canvas.renderMode = RenderMode.ScreenSpaceOverlay;
var canvasScaler = rootCanvasGO.GetComponent<CanvasScaler>();
canvasScaler.uiScaleMode = CanvasScaler.ScaleMode.ScaleWithScreenSize;
canvasScaler.referenceResolution = new Vector2(3840, 2160);
canvasScaler.referencePixelsPerUnit = 128;
var scrollRectGo = new GameObject("Scroll View", typeof(ScrollRect));
var scrollRectTransform = scrollRectGo.GetComponent<RectTransform>();
scrollRectTransform.SetParent(rootCanvasGO.transform);
scrollRectTransform.localPosition = Vector3.zero;
scrollRectTransform.sizeDelta = new Vector2(1000, 1000);
scrollRectTransform.localScale = Vector3.one * 1.000005f;
var scrollRect = scrollRectGo.GetComponent<ScrollRect>();
scrollRect.horizontal = true;
scrollRect.vertical = true;
scrollRect.movementType = ScrollRect.MovementType.Clamped;
scrollRect.inertia = true;
var viewportTransform = new GameObject("Viewport", typeof(RectTransform)).GetComponent<RectTransform>();
viewportTransform.SetParent(scrollRectTransform);
viewportTransform.localPosition = Vector3.zero;
viewportTransform.localScale = Vector3.one;
viewportTransform.sizeDelta = new Vector2(-17, 0);
viewportTransform.anchorMin = new Vector2(0, 0);
viewportTransform.anchorMax = new Vector2(1, 1);
viewportTransform.pivot = new Vector2(0, 1);
scrollRect.viewport = viewportTransform;
var contentGo = new GameObject("Content", typeof(GridLayoutGroup));
var contentTransform = contentGo.GetComponent<RectTransform>();
contentTransform.SetParent(viewportTransform);
contentTransform.localPosition = Vector3.zero;
contentTransform.localScale = Vector3.one;
contentTransform.sizeDelta = new Vector2(0, 300);
contentTransform.anchorMin = new Vector2(0, 1);
contentTransform.anchorMax = new Vector2(1, 1);
contentTransform.pivot = new Vector2(0, 1);
var gridLayout = contentGo.GetComponent<GridLayoutGroup>();
gridLayout.cellSize = new Vector2(100, 100);
gridLayout.startCorner = GridLayoutGroup.Corner.UpperLeft;
gridLayout.startAxis = GridLayoutGroup.Axis.Horizontal;
gridLayout.childAlignment = TextAnchor.UpperLeft;
gridLayout.constraint = GridLayoutGroup.Constraint.Flexible;
scrollRect.content = contentTransform;
for (int i = 0; i < 20; i++)
{
var go = new GameObject("GameObject (" + i + ")", typeof(RectTransform));
var t = go.GetComponent<RectTransform>();
t.SetParent(contentTransform);
t.localScale = Vector3.one;
t.pivot = new Vector2(0.5f, 0.5f);
}
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("ScrollRectStableLayoutPrefab")) as GameObject;
m_CameraGO = new GameObject("Camera", typeof(Camera));
}
[UnityTest]
public IEnumerator ScrollRect_StableWhenStatic()
{
//root->canvas->scroll view->viewport->content
RectTransform t = m_PrefabRoot.transform.GetChild(0).GetChild(0).GetChild(0).GetChild(0) as RectTransform;
float[] values = new float[5];
for (int i = 0; i < values.Length; i++)
{
values[i] = t.localPosition.y;
yield return null;
}
Assert.AreEqual(values[0], values[1]);
Assert.AreEqual(values[1], values[2]);
Assert.AreEqual(values[2], values[3]);
Assert.AreEqual(values[3], values[4]);
}
[TearDown]
public void TearDown()
{
Object.DestroyImmediate(m_PrefabRoot);
GameObject.DestroyImmediate(m_CameraGO);
}
[OneTimeTearDown]
public void OneTimeTearDown()
{
#if UNITY_EDITOR
AssetDatabase.DeleteAsset(kPrefabPath);
#endif
}
}