SW-Wiktor-Bombola/SW-Unity/Library/PackageCache/com.unity.ugui@1.0.0/Tests/Runtime/ScrollBar/ScrollBarClamp.cs

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2021-12-04 15:15:29 +01:00
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.TestTools;
using System.IO;
using System.Reflection;
using NUnit.Framework;
using UnityEngine.EventSystems;
using UnityEditor;
public class ScrollBarClamp : IPrebuildSetup
{
// This test tests that setting scrollBar.value will not be clamped (case 802330 - Scrollbar stops velocity of 'Scroll Rect' unexpectedly)
GameObject m_PrefabRoot;
const string kPrefabPath = "Assets/Resources/ScrollBarClampPrefab.prefab";
public void Setup()
{
#if UNITY_EDITOR
var rootGO = new GameObject("RootGO");
var rootCanvasGO = new GameObject("Canvas", typeof(Canvas));
var canvas = rootCanvasGO.GetComponent<Canvas>();
canvas.renderMode = RenderMode.ScreenSpaceOverlay;
rootCanvasGO.transform.SetParent(rootGO.transform);
var scrollRectGo = new GameObject("Scroll View", typeof(ScrollRect), typeof(RectMask2D), typeof(RectTransform));
var scrollRectTransform = scrollRectGo.GetComponent<RectTransform>();
scrollRectTransform.SetParent(rootCanvasGO.transform);
scrollRectTransform.anchorMin = Vector2.zero;
scrollRectTransform.anchorMax = Vector2.one;
scrollRectTransform.sizeDelta = Vector2.zero;
scrollRectTransform.anchoredPosition = Vector2.zero;
var scrollRect = scrollRectGo.GetComponent<ScrollRect>();
scrollRect.movementType = ScrollRect.MovementType.Elastic;
var scrollbarGo = new GameObject("Scrollbar", typeof(Scrollbar), typeof(RectTransform));
var scrollbarTransform = scrollbarGo.GetComponent<RectTransform>();
scrollbarTransform.SetParent(scrollRectTransform);
scrollbarTransform.anchorMin = new Vector2(1, 0);
scrollbarTransform.anchorMax = new Vector2(1, 1);
scrollbarTransform.anchoredPosition = Vector2.zero;
scrollbarTransform.pivot = new Vector2(1, 0.5f);
scrollbarTransform.sizeDelta = new Vector2(20, 0);
var scrollbar = scrollbarGo.GetComponent<Scrollbar>();
scrollRect.verticalScrollbar = scrollbar;
var contentGo = new GameObject("Content", typeof(VerticalLayoutGroup), typeof(RectTransform));
var contentTransform = contentGo.GetComponent<RectTransform>();
contentTransform.SetParent(scrollRectTransform);
contentTransform.anchorMin = new Vector2(0, 1);
contentTransform.anchorMax = new Vector2(1, 1);
contentTransform.anchoredPosition = Vector2.zero;
contentTransform.pivot = new Vector2(0.5f, 1);
contentTransform.sizeDelta = new Vector2(0, 1135);
scrollRect.content = contentTransform;
var layoutGroup = contentGo.GetComponent<VerticalLayoutGroup>();
layoutGroup.padding = new RectOffset(10, 10, 0, 0);
layoutGroup.childAlignment = TextAnchor.UpperLeft;
layoutGroup.childControlHeight = true;
layoutGroup.childControlWidth = true;
layoutGroup.childForceExpandHeight = false;
layoutGroup.childForceExpandWidth = false;
for (int i = 0; i < 20; i++)
{
var item = new GameObject("Item" + i, typeof(RectTransform), typeof(LayoutElement));
var itemTransform = item.GetComponent<RectTransform>();
itemTransform.pivot = new Vector2(0.5f, 1);
itemTransform.SetParent(contentTransform);
var layoutElement = item.GetComponent<LayoutElement>();
layoutElement.minWidth = 620;
layoutElement.minHeight = 100;
layoutElement.preferredWidth = 620;
layoutElement.preferredHeight = 100;
}
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("ScrollBarClampPrefab")) as GameObject;
new GameObject("Camera", typeof(Camera));
Canvas.ForceUpdateCanvases();
}
//tests that setting the scrollbar value will not be clamped, but the private scrollbar functions will be clamped
[Test]
public void Scrollbar_clamp()
{
var scrollBar = m_PrefabRoot.GetComponentInChildren<Scrollbar>();
scrollBar.value = 1.5f;
Assert.Greater(scrollBar.value, 1f);
scrollBar.value = -0.5f;
Assert.Less(scrollBar.value, 0f);
MethodInfo method = typeof(Scrollbar).GetMethod("DoUpdateDrag", BindingFlags.NonPublic | BindingFlags.Instance);
method.Invoke(scrollBar, new object[] { new Vector2(1.5f, 1.5f), 1f });
Assert.LessOrEqual(scrollBar.value, 1f);
method.Invoke(scrollBar, new object[] { new Vector2(-0.5f, -0.5f), 1f });
Assert.GreaterOrEqual(scrollBar.value, 0f);
}
[TearDown]
public void TearDown()
{
Object.DestroyImmediate(m_PrefabRoot);
}
[OneTimeTearDown]
public void OneTimeTearDown()
{
#if UNITY_EDITOR
AssetDatabase.DeleteAsset(kPrefabPath);
#endif
}
}