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129 lines
5.2 KiB
129 lines
5.2 KiB
using System.Collections; |
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using System.Collections.Generic; |
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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 System.IO; |
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using System.Reflection; |
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using NUnit.Framework; |
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using UnityEngine.EventSystems; |
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using UnityEditor; |
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public class ScrollBarClamp : IPrebuildSetup |
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{ |
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// This test tests that setting scrollBar.value will not be clamped (case 802330 - Scrollbar stops velocity of 'Scroll Rect' unexpectedly) |
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GameObject m_PrefabRoot; |
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GameObject m_CameraGO; |
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const string kPrefabPath = "Assets/Resources/ScrollBarClampPrefab.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)); |
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var canvas = rootCanvasGO.GetComponent<Canvas>(); |
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canvas.renderMode = RenderMode.ScreenSpaceOverlay; |
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rootCanvasGO.transform.SetParent(rootGO.transform); |
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var scrollRectGo = new GameObject("Scroll View", typeof(RectTransform), typeof(ScrollRect), typeof(RectMask2D)); |
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var scrollRectTransform = scrollRectGo.GetComponent<RectTransform>(); |
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scrollRectTransform.SetParent(rootCanvasGO.transform); |
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scrollRectTransform.anchorMin = Vector2.zero; |
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scrollRectTransform.anchorMax = Vector2.one; |
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scrollRectTransform.sizeDelta = Vector2.zero; |
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scrollRectTransform.anchoredPosition = Vector2.zero; |
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var scrollRect = scrollRectGo.GetComponent<ScrollRect>(); |
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scrollRect.movementType = ScrollRect.MovementType.Elastic; |
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var scrollbarGo = new GameObject("Scrollbar", typeof(RectTransform), typeof(Scrollbar)); |
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var scrollbarTransform = scrollbarGo.GetComponent<RectTransform>(); |
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scrollbarTransform.SetParent(scrollRectTransform); |
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scrollbarTransform.anchorMin = new Vector2(1, 0); |
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scrollbarTransform.anchorMax = new Vector2(1, 1); |
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scrollbarTransform.anchoredPosition = Vector2.zero; |
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scrollbarTransform.pivot = new Vector2(1, 0.5f); |
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scrollbarTransform.sizeDelta = new Vector2(20, 0); |
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var scrollbar = scrollbarGo.GetComponent<Scrollbar>(); |
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scrollRect.verticalScrollbar = scrollbar; |
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var contentGo = new GameObject("Content", typeof(RectTransform), typeof(VerticalLayoutGroup)); |
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var contentTransform = contentGo.GetComponent<RectTransform>(); |
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contentTransform.SetParent(scrollRectTransform); |
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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.anchoredPosition = Vector2.zero; |
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contentTransform.pivot = new Vector2(0.5f, 1); |
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contentTransform.sizeDelta = new Vector2(0, 1135); |
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scrollRect.content = contentTransform; |
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var layoutGroup = contentGo.GetComponent<VerticalLayoutGroup>(); |
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layoutGroup.padding = new RectOffset(10, 10, 0, 0); |
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layoutGroup.childAlignment = TextAnchor.UpperLeft; |
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layoutGroup.childControlHeight = true; |
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layoutGroup.childControlWidth = true; |
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layoutGroup.childForceExpandHeight = false; |
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layoutGroup.childForceExpandWidth = false; |
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for (int i = 0; i < 20; i++) |
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{ |
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var item = new GameObject("Item" + i, typeof(RectTransform), typeof(LayoutElement)); |
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var itemTransform = item.GetComponent<RectTransform>(); |
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itemTransform.pivot = new Vector2(0.5f, 1); |
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itemTransform.SetParent(contentTransform); |
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var layoutElement = item.GetComponent<LayoutElement>(); |
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layoutElement.minWidth = 620; |
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layoutElement.minHeight = 100; |
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layoutElement.preferredWidth = 620; |
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layoutElement.preferredHeight = 100; |
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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("ScrollBarClampPrefab")) as GameObject; |
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m_CameraGO = new GameObject("Camera", typeof(Camera)); |
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Canvas.ForceUpdateCanvases(); |
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} |
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//tests that setting the scrollbar value will not be clamped, but the private scrollbar functions will be clamped |
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[Test] |
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public void Scrollbar_clamp() |
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{ |
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var scrollBar = m_PrefabRoot.GetComponentInChildren<Scrollbar>(); |
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scrollBar.value = 1.5f; |
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Assert.Greater(scrollBar.value, 1f); |
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scrollBar.value = -0.5f; |
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Assert.Less(scrollBar.value, 0f); |
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MethodInfo method = typeof(Scrollbar).GetMethod("DoUpdateDrag", BindingFlags.NonPublic | BindingFlags.Instance); |
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method.Invoke(scrollBar, new object[] { new Vector2(1.5f, 1.5f), 1f }); |
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Assert.LessOrEqual(scrollBar.value, 1f); |
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method.Invoke(scrollBar, new object[] { new Vector2(-0.5f, -0.5f), 1f }); |
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Assert.GreaterOrEqual(scrollBar.value, 0f); |
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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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GameObject.DestroyImmediate(m_CameraGO); |
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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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