|
|
|
@ -2,25 +2,276 @@ |
|
|
|
// Licensed under the MIT license. See licence.md file in the project root for full license information.
|
|
|
|
|
|
|
|
using Avalonia.Controls; |
|
|
|
using Avalonia.UnitTests; |
|
|
|
using System; |
|
|
|
using Xunit; |
|
|
|
using System.Collections.Generic; |
|
|
|
|
|
|
|
namespace Avalonia.Layout.UnitTests |
|
|
|
{ |
|
|
|
public class LayoutManagerTests |
|
|
|
{ |
|
|
|
[Fact] |
|
|
|
public void Invalidating_Child_Should_Remeasure_Parent() |
|
|
|
public void Measures_And_Arranges_InvalidateMeasured_Control() |
|
|
|
{ |
|
|
|
var layoutManager = new LayoutManager(); |
|
|
|
var target = new LayoutManager(); |
|
|
|
|
|
|
|
using (AvaloniaLocator.EnterScope()) |
|
|
|
using (Start(target)) |
|
|
|
{ |
|
|
|
AvaloniaLocator.CurrentMutable.Bind<ILayoutManager>().ToConstant(layoutManager); |
|
|
|
var control = new LayoutTestControl(); |
|
|
|
var root = new LayoutTestRoot { Child = control }; |
|
|
|
|
|
|
|
target.ExecuteInitialLayoutPass(root); |
|
|
|
control.Measured = control.Arranged = false; |
|
|
|
|
|
|
|
control.InvalidateMeasure(); |
|
|
|
target.ExecuteLayoutPass(); |
|
|
|
|
|
|
|
Assert.True(control.Measured); |
|
|
|
Assert.True(control.Arranged); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
[Fact] |
|
|
|
public void Arranges_InvalidateArranged_Control() |
|
|
|
{ |
|
|
|
var target = new LayoutManager(); |
|
|
|
|
|
|
|
using (Start(target)) |
|
|
|
{ |
|
|
|
var control = new LayoutTestControl(); |
|
|
|
var root = new LayoutTestRoot { Child = control }; |
|
|
|
|
|
|
|
target.ExecuteInitialLayoutPass(root); |
|
|
|
control.Measured = control.Arranged = false; |
|
|
|
|
|
|
|
control.InvalidateArrange(); |
|
|
|
target.ExecuteLayoutPass(); |
|
|
|
|
|
|
|
Assert.False(control.Measured); |
|
|
|
Assert.True(control.Arranged); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
[Fact] |
|
|
|
public void Measures_Parent_Of_Newly_Added_Control() |
|
|
|
{ |
|
|
|
var target = new LayoutManager(); |
|
|
|
|
|
|
|
using (Start(target)) |
|
|
|
{ |
|
|
|
var control = new LayoutTestControl(); |
|
|
|
var root = new LayoutTestRoot(); |
|
|
|
|
|
|
|
target.ExecuteInitialLayoutPass(root); |
|
|
|
root.Child = control; |
|
|
|
root.Measured = root.Arranged = false; |
|
|
|
|
|
|
|
target.ExecuteLayoutPass(); |
|
|
|
|
|
|
|
Assert.True(root.Measured); |
|
|
|
Assert.True(root.Arranged); |
|
|
|
Assert.True(control.Measured); |
|
|
|
Assert.True(control.Arranged); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
[Fact] |
|
|
|
public void Measures_In_Correct_Order() |
|
|
|
{ |
|
|
|
var target = new LayoutManager(); |
|
|
|
|
|
|
|
using (Start(target)) |
|
|
|
{ |
|
|
|
LayoutTestControl control1; |
|
|
|
LayoutTestControl control2; |
|
|
|
var root = new LayoutTestRoot |
|
|
|
{ |
|
|
|
Child = control1 = new LayoutTestControl |
|
|
|
{ |
|
|
|
Child = control2 = new LayoutTestControl(), |
|
|
|
} |
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
var order = new List<ILayoutable>(); |
|
|
|
Size MeasureOverride(ILayoutable control, Size size) |
|
|
|
{ |
|
|
|
order.Add(control); |
|
|
|
return new Size(10, 10); |
|
|
|
} |
|
|
|
|
|
|
|
root.DoMeasureOverride = MeasureOverride; |
|
|
|
control1.DoMeasureOverride = MeasureOverride; |
|
|
|
control2.DoMeasureOverride = MeasureOverride; |
|
|
|
target.ExecuteInitialLayoutPass(root); |
|
|
|
|
|
|
|
control2.InvalidateMeasure(); |
|
|
|
control1.InvalidateMeasure(); |
|
|
|
root.InvalidateMeasure(); |
|
|
|
|
|
|
|
order.Clear(); |
|
|
|
target.ExecuteLayoutPass(); |
|
|
|
|
|
|
|
Assert.Equal(new ILayoutable[] { root, control1, control2 }, order); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
[Fact] |
|
|
|
public void Measures_Root_And_Grandparent_In_Correct_Order() |
|
|
|
{ |
|
|
|
var target = new LayoutManager(); |
|
|
|
|
|
|
|
using (Start(target)) |
|
|
|
{ |
|
|
|
LayoutTestControl control1; |
|
|
|
LayoutTestControl control2; |
|
|
|
var root = new LayoutTestRoot |
|
|
|
{ |
|
|
|
Child = control1 = new LayoutTestControl |
|
|
|
{ |
|
|
|
Child = control2 = new LayoutTestControl(), |
|
|
|
} |
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
var order = new List<ILayoutable>(); |
|
|
|
Size MeasureOverride(ILayoutable control, Size size) |
|
|
|
{ |
|
|
|
order.Add(control); |
|
|
|
return new Size(10, 10); |
|
|
|
} |
|
|
|
|
|
|
|
root.DoMeasureOverride = MeasureOverride; |
|
|
|
control1.DoMeasureOverride = MeasureOverride; |
|
|
|
control2.DoMeasureOverride = MeasureOverride; |
|
|
|
target.ExecuteInitialLayoutPass(root); |
|
|
|
|
|
|
|
control2.InvalidateMeasure(); |
|
|
|
root.InvalidateMeasure(); |
|
|
|
|
|
|
|
order.Clear(); |
|
|
|
target.ExecuteLayoutPass(); |
|
|
|
|
|
|
|
Assert.Equal(new ILayoutable[] { root, control2 }, order); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
[Fact] |
|
|
|
public void Doesnt_Measure_Non_Invalidated_Root() |
|
|
|
{ |
|
|
|
var target = new LayoutManager(); |
|
|
|
|
|
|
|
using (Start(target)) |
|
|
|
{ |
|
|
|
var control = new LayoutTestControl(); |
|
|
|
var root = new LayoutTestRoot { Child = control }; |
|
|
|
|
|
|
|
target.ExecuteInitialLayoutPass(root); |
|
|
|
root.Measured = root.Arranged = false; |
|
|
|
control.Measured = control.Arranged = false; |
|
|
|
|
|
|
|
control.InvalidateMeasure(); |
|
|
|
target.ExecuteLayoutPass(); |
|
|
|
|
|
|
|
Assert.False(root.Measured); |
|
|
|
Assert.False(root.Arranged); |
|
|
|
Assert.True(control.Measured); |
|
|
|
Assert.True(control.Arranged); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
[Fact] |
|
|
|
public void Doesnt_Measure_Removed_Control() |
|
|
|
{ |
|
|
|
var target = new LayoutManager(); |
|
|
|
|
|
|
|
using (Start(target)) |
|
|
|
{ |
|
|
|
var control = new LayoutTestControl(); |
|
|
|
var root = new LayoutTestRoot { Child = control }; |
|
|
|
|
|
|
|
target.ExecuteInitialLayoutPass(root); |
|
|
|
control.Measured = control.Arranged = false; |
|
|
|
|
|
|
|
control.InvalidateMeasure(); |
|
|
|
root.Child = null; |
|
|
|
target.ExecuteLayoutPass(); |
|
|
|
|
|
|
|
Assert.False(control.Measured); |
|
|
|
Assert.False(control.Arranged); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
[Fact] |
|
|
|
public void Measures_Root_With_Infinity() |
|
|
|
{ |
|
|
|
var target = new LayoutManager(); |
|
|
|
|
|
|
|
using (Start(target)) |
|
|
|
{ |
|
|
|
var root = new LayoutTestRoot(); |
|
|
|
var availableSize = default(Size); |
|
|
|
|
|
|
|
// Should not measure with this size.
|
|
|
|
root.MaxClientSize = new Size(123, 456); |
|
|
|
|
|
|
|
root.DoMeasureOverride = (_, s) => |
|
|
|
{ |
|
|
|
availableSize = s; |
|
|
|
return new Size(100, 100); |
|
|
|
}; |
|
|
|
|
|
|
|
target.ExecuteInitialLayoutPass(root); |
|
|
|
|
|
|
|
Assert.Equal(Size.Infinity, availableSize); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
[Fact] |
|
|
|
public void Arranges_Root_With_DesiredSize() |
|
|
|
{ |
|
|
|
var target = new LayoutManager(); |
|
|
|
|
|
|
|
using (Start(target)) |
|
|
|
{ |
|
|
|
var root = new LayoutTestRoot |
|
|
|
{ |
|
|
|
Width = 100, |
|
|
|
Height = 100, |
|
|
|
}; |
|
|
|
|
|
|
|
var arrangeSize = default(Size); |
|
|
|
|
|
|
|
root.DoArrangeOverride = (_, s) => |
|
|
|
{ |
|
|
|
arrangeSize = s; |
|
|
|
return s; |
|
|
|
}; |
|
|
|
|
|
|
|
target.ExecuteInitialLayoutPass(root); |
|
|
|
Assert.Equal(new Size(100, 100), arrangeSize); |
|
|
|
|
|
|
|
root.Width = 120; |
|
|
|
|
|
|
|
target.ExecuteLayoutPass(); |
|
|
|
Assert.Equal(new Size(120, 100), arrangeSize); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
[Fact] |
|
|
|
public void Invalidating_Child_Remeasures_Parent() |
|
|
|
{ |
|
|
|
var target = new LayoutManager(); |
|
|
|
|
|
|
|
using (Start(target)) |
|
|
|
{ |
|
|
|
AvaloniaLocator.CurrentMutable.Bind<ILayoutManager>().ToConstant(target); |
|
|
|
|
|
|
|
Border border; |
|
|
|
StackPanel panel; |
|
|
|
|
|
|
|
var root = new TestLayoutRoot |
|
|
|
var root = new LayoutTestRoot |
|
|
|
{ |
|
|
|
Child = panel = new StackPanel |
|
|
|
{ |
|
|
|
@ -31,15 +282,22 @@ namespace Avalonia.Layout.UnitTests |
|
|
|
} |
|
|
|
}; |
|
|
|
|
|
|
|
layoutManager.ExecuteInitialLayoutPass(root); |
|
|
|
target.ExecuteInitialLayoutPass(root); |
|
|
|
Assert.Equal(new Size(0, 0), root.DesiredSize); |
|
|
|
|
|
|
|
border.Width = 100; |
|
|
|
border.Height = 100; |
|
|
|
|
|
|
|
layoutManager.ExecuteLayoutPass(); |
|
|
|
target.ExecuteLayoutPass(); |
|
|
|
Assert.Equal(new Size(100, 100), panel.DesiredSize); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
private IDisposable Start(LayoutManager layoutManager) |
|
|
|
{ |
|
|
|
var result = AvaloniaLocator.EnterScope(); |
|
|
|
AvaloniaLocator.CurrentMutable.Bind<ILayoutManager>().ToConstant(layoutManager); |
|
|
|
return result; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
|
Jeremy Koritzinsky
9 years ago
GitHub