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