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Added ImmediateRenderer hit tests.

scenegraph-after-breakage
Steven Kirk 10 years ago
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1 changed files with 420 additions and 0 deletions
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  1. 420
      tests/Avalonia.Visuals.UnitTests/Rendering/ImmediateRendererTests_HitTesting.cs

420
tests/Avalonia.Visuals.UnitTests/Rendering/ImmediateRendererTests_HitTesting.cs
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// Copyright (c) The Avalonia Project. All rights reserved.
// Licensed under the MIT license. See licence.md file in the project root for full license information.
using System.Linq;
using Avalonia.Controls;
using Avalonia.Controls.Presenters;
using Avalonia.Layout;
using Avalonia.Media;
using Avalonia.Platform;
using Avalonia.Rendering;
using Avalonia.UnitTests;
using Avalonia.VisualTree;
using Moq;
using Xunit;
using System;
using Avalonia.Controls.Shapes;
namespace Avalonia.Visuals.UnitTests.Rendering
{
public class ImmediateRendererTests_HitTesting
{
[Fact]
public void HitTest_Should_Find_Controls_At_Point()
{
using (TestApplication())
{
var root = new TestRoot
{
Width = 200,
Height = 200,
Child = new Border
{
Width = 100,
Height = 100,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
root.Renderer.Paint(new Rect(root.ClientSize));
var result = root.Renderer.HitTest(new Point(100, 100), null);
Assert.Equal(new[] { root.Child, root }, result);
}
}
[Fact]
public void HitTest_Should_Not_Find_Invisible_Controls_At_Point()
{
using (TestApplication())
{
Border visible;
var root = new TestRoot
{
Width = 200,
Height = 200,
Child = new Border
{
Width = 100,
Height = 100,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
IsVisible = false,
Child = visible = new Border
{
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
}
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
root.Renderer.Paint(new Rect(root.ClientSize));
var result = root.Renderer.HitTest(new Point(100, 100), null);
Assert.Equal(new[] { root }, result);
}
}
[Fact]
public void HitTest_Should_Not_Find_Control_Outside_Point()
{
using (TestApplication())
{
var root = new TestRoot
{
Width = 200,
Height = 200,
Child = new Border
{
Width = 100,
Height = 100,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(root.DesiredSize));
root.Renderer.Paint(new Rect(root.ClientSize));
var result = root.Renderer.HitTest(new Point(10, 10), null);
Assert.Equal(new[] { root }, result);
}
}
[Fact]
public void HitTest_Should_Return_Top_Controls_First()
{
using (TestApplication())
{
Panel container;
var root = new TestRoot
{
Child = container = new Panel
{
Width = 200,
Height = 200,
Children = new Controls.Controls
{
new Border
{
Width = 100,
Height = 100,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
},
new Border
{
Width = 50,
Height = 50,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
}
}
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(container.DesiredSize));
root.Renderer.Paint(new Rect(root.ClientSize));
var result = root.Renderer.HitTest(new Point(100, 100), null);
Assert.Equal(new[] { container.Children[1], container.Children[0], container, root }, result);
}
}
[Fact]
public void HitTest_Should_Return_Top_Controls_First_With_ZIndex()
{
using (TestApplication())
{
Panel container;
var root = new TestRoot
{
Child = container = new Panel
{
Width = 200,
Height = 200,
Children = new Controls.Controls
{
new Border
{
Width = 100,
Height = 100,
ZIndex = 1,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
},
new Border
{
Width = 50,
Height = 50,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
},
new Border
{
Width = 75,
Height = 75,
ZIndex = 2,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
}
}
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(container.DesiredSize));
root.Renderer.Paint(new Rect(root.ClientSize));
var result = root.Renderer.HitTest(new Point(100, 100), null);
Assert.Equal(
new[]
{
container.Children[2],
container.Children[0],
container.Children[1],
container,
root
},
result);
}
}
[Fact]
public void HitTest_Should_Find_Control_Translated_Outside_Parent_Bounds()
{
using (TestApplication())
{
Border target;
Panel container;
var root = new TestRoot
{
Child = container = new Panel
{
Width = 200,
Height = 200,
Background = Brushes.Red,
ClipToBounds = false,
Children = new Controls.Controls
{
new Border
{
Width = 100,
Height = 100,
ZIndex = 1,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top,
Child = target = new Border
{
Width = 50,
Height = 50,
Background = Brushes.Red,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top,
RenderTransform = new TranslateTransform(110, 110),
}
},
}
}
};
container.Measure(Size.Infinity);
container.Arrange(new Rect(container.DesiredSize));
root.Renderer.Paint(new Rect(root.ClientSize));
var result = root.Renderer.HitTest(new Point(120, 120), null);
Assert.Equal(new IVisual[] { target, container }, result);
}
}
[Fact]
public void HitTest_Should_Not_Find_Control_Outside_Parent_Bounds_When_Clipped()
{
using (TestApplication())
{
Border target;
Panel container;
var root = new TestRoot
{
Child = container = new Panel
{
Width = 100,
Height = 200,
Background = Brushes.Red,
Children = new Controls.Controls
{
new Panel()
{
Width = 100,
Height = 100,
Background = Brushes.Red,
Margin = new Thickness(0, 100, 0, 0),
ClipToBounds = true,
Children = new Controls.Controls
{
(target = new Border()
{
Width = 100,
Height = 100,
Background = Brushes.Red,
Margin = new Thickness(0, -100, 0, 0)
})
}
}
}
}
};
root.Measure(Size.Infinity);
root.Arrange(new Rect(container.DesiredSize));
root.Renderer.Paint(new Rect(root.ClientSize));
var result = root.Renderer.HitTest(new Point(50, 50), null);
Assert.Equal(new IVisual[] { container, root }, result);
}
}
[Fact]
public void HitTest_Should_Not_Find_Control_Outside_Scroll_Viewport()
{
using (TestApplication())
{
Border target;
Border item1;
Border item2;
ScrollContentPresenter scroll;
Panel container;
var root = new TestRoot
{
Child = container = new Panel
{
Width = 100,
Height = 200,
Background = Brushes.Red,
Children = new Controls.Controls
{
(target = new Border()
{
Name = "b1",
Width = 100,
Height = 100,
Background = Brushes.Red,
}),
new Border()
{
Name = "b2",
Width = 100,
Height = 100,
Background = Brushes.Red,
Margin = new Thickness(0, 100, 0, 0),
Child = scroll = new ScrollContentPresenter()
{
Content = new StackPanel()
{
Children = new Controls.Controls
{
(item1 = new Border()
{
Name = "b3",
Width = 100,
Height = 100,
Background = Brushes.Red,
}),
(item2 = new Border()
{
Name = "b4",
Width = 100,
Height = 100,
Background = Brushes.Red,
}),
}
}
}
}
}
}
};
scroll.UpdateChild();
root.Measure(Size.Infinity);
root.Arrange(new Rect(container.DesiredSize));
root.Renderer.Paint(new Rect(root.ClientSize));
var result = root.Renderer.HitTest(new Point(50, 150), null).First();
Assert.Equal(item1, result);
result = root.Renderer.HitTest(new Point(50, 50), null).First();
Assert.Equal(target, result);
scroll.Offset = new Vector(0, 100);
// We don't have LayoutManager set up so do the layout pass manually.
scroll.Parent.InvalidateArrange();
container.InvalidateArrange();
container.Arrange(new Rect(container.DesiredSize));
root.Renderer.Paint(new Rect(root.ClientSize));
result = root.Renderer.HitTest(new Point(50, 150), null).First();
Assert.Equal(item2, result);
result = root.Renderer.HitTest(new Point(50, 50), null).First();
Assert.Equal(target, result);
}
}
private IDisposable TestApplication()
{
return UnitTestApplication.Start(
new TestServices(
renderInterface: new MockPlatformRenderInterface(),
renderer: (root, loop) => new ImmediateRenderer(root)));
}
}
}
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