feat: add headless test.
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Headless;
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using Avalonia.Headless.XUnit;
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using Avalonia.Input;
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using Avalonia.Threading;
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namespace HeadlessTest.Ursa.Controls.OverlayShared.Case_Close_Dialog_Clear_Content_Parent;
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public class Test
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{
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[AvaloniaFact]
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public void Dialog_Parent_Is_Cleared_After_Close()
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{
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var ursaWindow = new TestWindow();
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ursaWindow.Show();
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var button = ursaWindow.FindControl<Button>("button");
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ursaWindow.MouseDown(new Point(280, 400), MouseButton.Left);
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ursaWindow.MouseUp(new Point(280, 400), MouseButton.Left);
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Dispatcher.UIThread.RunJobs();
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var parent = ursaWindow.TextBox.Parent;
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Assert.NotNull(ursaWindow.TextBox.Parent);
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ursaWindow.DialogViewModel.Close();
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Dispatcher.UIThread.RunJobs();
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Assert.Null(ursaWindow.TextBox.Parent);
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}
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}
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<u:UrsaWindow xmlns="https://github.com/avaloniaui"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:u="https://irihi.tech/ursa"
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mc:Ignorable="d" d:DesignWidth="800"
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d:DesignHeight="450"
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x:Class="HeadlessTest.Ursa.Controls.OverlayShared.Case_Close_Dialog_Clear_Content_Parent.TestWindow"
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Title="TestWindow">
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<Button HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Name="button" Content="Click" Click="Button_OnClick"></Button>
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</u:UrsaWindow>
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using Avalonia.Controls;
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using Avalonia.Interactivity;
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using Irihi.Avalonia.Shared.Contracts;
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using Ursa.Controls;
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namespace HeadlessTest.Ursa.Controls.OverlayShared.Case_Close_Dialog_Clear_Content_Parent;
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public partial class TestWindow : UrsaWindow
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{
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public TestWindow()
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{
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InitializeComponent();
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}
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internal TextBox TextBox = new TextBox();
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internal DialogViewModel DialogViewModel = new DialogViewModel();
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private void Button_OnClick(object? sender, RoutedEventArgs e)
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{
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OverlayDialog.Show(TextBox, DialogViewModel);
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}
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}
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class DialogViewModel : IDialogContext
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{
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public void Close()
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{
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RequestClose?.Invoke(this, null);
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}
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public event EventHandler<object?>? RequestClose;
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}
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