mirror of
https://github.com/Ellpeck/MLEM.git
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194 lines
8.2 KiB
C#
194 lines
8.2 KiB
C#
using System;
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using System.Diagnostics;
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using System.Linq;
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using Microsoft.Xna.Framework;
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using MLEM.Maths;
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using MLEM.Ui;
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using MLEM.Ui.Elements;
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using MLEM.Ui.Style;
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using NUnit.Framework;
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namespace Tests;
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public class UiTests : GameTestFixture {
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[Test]
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public void TestInvalidPanel() {
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var invalidPanel = new Panel(Anchor.Center, Vector2.Zero, Vector2.Zero) {
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SetWidthBasedOnChildren = true,
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SetHeightBasedOnChildren = true
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};
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invalidPanel.AddChild(new Paragraph(Anchor.AutoRight, 1, "This is some test text!", true));
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invalidPanel.AddChild(new VerticalSpace(1));
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Assert.Throws<ArithmeticException>(() => this.AddAndUpdate(invalidPanel, out _, out _));
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}
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[Test]
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public void TestOddlyAlignedPanel() {
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var oddPanel = new Panel(Anchor.Center, Vector2.One, Vector2.Zero, true) {SetWidthBasedOnChildren = true};
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oddPanel.AddChild(new Group(Anchor.TopCenter, new Vector2(100), false));
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oddPanel.AddChild(new Group(Anchor.AutoRight, new Vector2(120), false));
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this.AddAndUpdate(oddPanel, out _, out _);
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Assert.AreEqual(120 + 10, oddPanel.DisplayArea.Width);
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}
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[Test]
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public void TestComplexPanel() {
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var group = new Group(Anchor.TopLeft, Vector2.One, false);
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var panel = group.AddChild(new Panel(Anchor.Center, new Vector2(150, 150), Vector2.Zero, false, true, false) {
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ChildPadding = new Padding(5, 5, 5, 5)
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});
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for (var i = 0; i < 5; i++) {
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var button = panel.AddChild(new Button(Anchor.AutoLeft, new Vector2(1)) {
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SetHeightBasedOnChildren = true,
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Padding = new Padding(0, 0, 0, 1),
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ChildPadding = new Padding(3)
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});
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button.AddChild(new Group(Anchor.AutoLeft, new Vector2(0.5F, 30), false) {
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CanBeMoused = false
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});
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}
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this.AddAndUpdate(group, out _, out _);
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// group has 1 panel with 1 scroll bar, and the panel's 10 children
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Assert.AreEqual(1, group.GetChildren().Count());
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Assert.AreEqual(12, group.GetChildren(regardGrandchildren: true).Count());
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// panel 1 scroll bar and 5 buttons, each button has 1 group, so 11 grandchildren
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Assert.AreEqual(6, panel.GetChildren().Count());
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Assert.AreEqual(11, panel.GetChildren(regardGrandchildren: true).Count());
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var testBtn = panel.GetChildren<Button>().First();
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// panel's width is 150, minus child padding of 5 on each side, and scroll bar's width of 5 and gap of 1
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const int panelContentWidth = 150 - 5 - 5 - 5 - 1;
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Assert.AreEqual(testBtn.DisplayArea.Width, panelContentWidth);
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// button's width, minus child padding of 3 left and 3 right, divided by 2 because of group's width
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Assert.AreEqual(testBtn.GetChildren<Group>().Single().DisplayArea.Width, (panelContentWidth - 3 - 3) * 0.5F);
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}
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[Test]
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public void TestAbsoluteAutoSize() {
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var parent = new Panel(Anchor.AutoLeft, new Vector2(200, 100), Vector2.Zero) {
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ChildPadding = Padding.Empty
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};
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var el1 = parent.AddChild(new Button(Anchor.AutoLeft, new Vector2(0.5F, 0.75F)) {
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AutoSizeAddedAbsolute = new Vector2(-50, 25)
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});
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var el2 = parent.AddChild(new Button(Anchor.AutoLeft, new Vector2(0.25F, -0.5F)) {
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AutoSizeAddedAbsolute = new Vector2(-25, 50)
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});
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this.AddAndUpdate(parent, out _, out _);
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Assert.AreEqual(0.5F * 200 - 50, el1.DisplayArea.Width);
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Assert.AreEqual(0.75F * 100 + 25, el1.DisplayArea.Height);
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const float el2Width = 0.25F * 200 - 25;
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Assert.AreEqual(el2Width, el2.DisplayArea.Width);
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Assert.AreEqual(0.5F * el2Width + 50, el2.DisplayArea.Height);
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}
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[Test]
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public void TestStyle() {
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var style = new StyleProp<string>();
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Assert.AreEqual(null, style.Value);
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style = style.OrStyle("from style");
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Assert.AreEqual("from style", style.Value);
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style = "custom";
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Assert.AreEqual("custom", style.Value);
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style = style.OrStyle("from style again");
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Assert.AreEqual("custom", style.Value);
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var copy = style.OrStyle("copy from style", byte.MaxValue);
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var weakCopy = style.OrStyle("weak copy");
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Assert.AreEqual("copy from style", copy.Value);
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Assert.AreEqual("custom", weakCopy.Value);
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Assert.AreEqual("custom", style.Value);
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}
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[Test]
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public void TestAutoAreaPerformanceDeep() {
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for (var i = 1; i <= 100; i++) {
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var main = new Group(Anchor.TopLeft, new Vector2(50));
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var group = main;
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for (var g = 0; g < i; g++)
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group = group.AddChild(new Group(Anchor.TopLeft, Vector2.One));
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this.AddAndUpdate(main, out var addTime, out var updateTime);
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var allChildren = main.GetChildren(regardGrandchildren: true);
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TestContext.WriteLine($"{allChildren.Count()} children, took {addTime.TotalMilliseconds * 1000000}ns to add, {updateTime.TotalMilliseconds * 1000000}ns to update, metrics {this.Game.UiSystem.Metrics}");
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}
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}
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[Test]
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public void TestAutoAreaPerformanceSideBySide() {
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for (var i = 1; i <= 100; i++) {
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var main = new Group(Anchor.TopLeft, new Vector2(50));
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for (var g = 0; g < i; g++)
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main.AddChild(new Group(Anchor.AutoInlineIgnoreOverflow, new Vector2(1F / i, 1)));
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this.AddAndUpdate(main, out var addTime, out var updateTime);
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var allChildren = main.GetChildren(regardGrandchildren: true);
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TestContext.WriteLine($"{allChildren.Count()} children, took {addTime.TotalMilliseconds * 1000000}ns to add, {updateTime.TotalMilliseconds * 1000000}ns to update, metrics {this.Game.UiSystem.Metrics}");
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}
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}
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[Test]
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public void TestAutoAreaPerformanceRandom() {
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for (var i = 0; i <= 1000; i += 10) {
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var random = new Random(93829345);
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var main = new Group(Anchor.TopLeft, new Vector2(50));
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var group = main;
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for (var g = 0; g < i; g++) {
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var newGroup = group.AddChild(new Group(Anchor.TopLeft, Vector2.One));
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if (random.NextSingle() <= 0.25F)
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group = newGroup;
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}
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this.AddAndUpdate(main, out var addTime, out var updateTime);
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var allChildren = main.GetChildren(regardGrandchildren: true);
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TestContext.WriteLine($"{allChildren.Count()} children, took {addTime.TotalMilliseconds * 1000000}ns to add, {updateTime.TotalMilliseconds * 1000000}ns to update, metrics {this.Game.UiSystem.Metrics}");
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}
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}
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[Test]
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public void TestIssue27([Values(5, 50, 15)] int numChildren) {
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// Stack overflow related to panel scrolling and scrollbar auto-hiding
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var group = new SquishingGroup(Anchor.TopLeft, Vector2.One);
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var centerGroup = new ScissorGroup(Anchor.TopCenter, Vector2.One);
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var centerPanel = new Panel(Anchor.TopRight, Vector2.One);
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centerPanel.DrawColor = Color.Red;
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centerPanel.Padding = new MLEM.Maths.Padding(5);
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centerGroup.AddChild(centerPanel);
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group.AddChild(centerGroup);
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var leftColumn = new Panel(Anchor.TopLeft, new Vector2(500, 1), scrollOverflow: true);
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group.AddChild(leftColumn);
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for (var i = 0; i < numChildren; i++) {
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var c = new Panel(Anchor.AutoLeft, new Vector2(1, 30));
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c.DrawColor = Color.Green;
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c.Padding = new MLEM.Maths.Padding(5);
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leftColumn.AddChild(c);
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}
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var bottomPane = new Panel(Anchor.BottomCenter, new Vector2(1, 500));
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group.AddChild(bottomPane);
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this.AddAndUpdate(group, out _, out _);
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}
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private void AddAndUpdate(Element element, out TimeSpan addTime, out TimeSpan updateTime) {
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foreach (var root in this.Game.UiSystem.GetRootElements())
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this.Game.UiSystem.Remove(root.Name);
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this.Game.UiSystem.Metrics.ResetUpdates();
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var stopwatch = Stopwatch.StartNew();
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this.Game.UiSystem.Add("Test", element);
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stopwatch.Stop();
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addTime = stopwatch.Elapsed;
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stopwatch.Restart();
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element.ForceUpdateArea();
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stopwatch.Stop();
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updateTime = stopwatch.Elapsed;
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}
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}
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