public void Should_Track_Bounds()
{
var target = new BoundsTracker();
var control = default(Rectangle);
var tree = new Decorator
{
Padding = new Thickness(10),
Content = new Decorator
{
Padding = new Thickness(5),
Content = (control = new Rectangle
{
Width = 15,
Height = 15,
}),
}
};
tree.Measure(Size.Infinity);
tree.Arrange(new Rect(0, 0, 100, 100));
var track = target.Track(control, tree);
var results = new List<TransformedBounds>();
track.Subscribe(results.Add);
Assert.Equal(new Rect(15, 15, 15, 15), results.Last().Bounds);
tree.Padding = new Thickness(15);
tree.Measure(Size.Infinity);
tree.Arrange(new Rect(0, 0, 100, 100), true);
Assert.Equal(new Rect(20, 20, 15, 15), results.Last().Bounds);
}
public void Border_Bottom_Aligns_Content()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Child = new Border
{
BorderBrush = Brushes.Black,
BorderThickness = 2,
Child = new TextBlock
{
Text = "Foo",
Background = Brushes.Red,
FontFamily = "Segoe UI",
FontSize = 12,
VerticalAlignment = VerticalAlignment.Bottom,
}
}
};
this.RenderToFile(target);
this.CompareImages();
}
public void Polyline_10px_Stroke_PenLineJoin()
{
var polylinePoints = new Point[] { new Point(0, 0), new Point(5, 0), new Point(6, -2), new Point(7, 3), new Point(8, -3),
new Point(9, 1), new Point(10, 0), new Point(15, 0) };
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 400,
Height = 200,
Child = new Polyline
{
Stroke = Brushes.Brown,
Points = polylinePoints,
Stretch = Stretch.Uniform,
StrokeJoin = PenLineJoin.Round,
StrokeStartLineCap = PenLineCap.Round,
StrokeEndLineCap = PenLineCap.Round,
StrokeThickness = 10
}
};
RenderToFile(target);
CompareImages();
}
public void LinearGradientBrush_RedBlue_Vertical_Fill()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Child = new Border
{
Background = new LinearGradientBrush
{
StartPoint = new RelativePoint(0.5, 0, RelativeUnit.Relative),
EndPoint = new RelativePoint(0.5, 1, RelativeUnit.Relative),
GradientStops =
{
new GradientStop { Color = Colors.Red, Offset = 0 },
new GradientStop { Color = Colors.Blue, Offset = 1 }
}
}
}
};
RenderToFile(target);
CompareImages();
}
public void Path_Expander_With_Border()
{
Decorator target = new Decorator
{
Width = 200,
Height = 200,
Child = new Border
{
BorderBrush = Brushes.Red,
BorderThickness = 1,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
Child = new Path
{
Fill = Brushes.Black,
Stroke = Brushes.Black,
StrokeThickness = 1,
Stretch = Stretch.Uniform,
Data = StreamGeometry.Parse("M 0 2 L 4 6 L 0 10 Z"),
}
}
};
this.RenderToFile(target);
this.CompareImages();
}
public void Border_Fill()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Child = new Border
{
Background = Brushes.Red,
}
};
RenderToFile(target);
CompareImages();
}
public void Circle_1px_Stroke()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Child = new Ellipse
{
Stroke = Brushes.Black,
StrokeThickness = 1,
}
};
this.RenderToFile(target);
this.CompareImages();
}
public void Border_1px_Border()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Content = new Border
{
BorderBrush = Brushes.Black,
BorderThickness = 1,
}
};
this.RenderToFile(target);
this.CompareImages();
}
public void Rectangle_1px_Stroke()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Content = new Rectangle
{
Stroke = Brushes.Black,
StrokeThickness = 1,
}
};
this.RenderToFile(target);
this.CompareImages();
}
public void Border_2px_Border()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Child = new Border
{
BorderBrush = Brushes.Black,
BorderThickness = 2,
}
};
RenderToFile(target);
CompareImages();
}
public void Rectangle_2px_Stroke()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Child = new Rectangle
{
Stroke = Brushes.Black,
StrokeThickness = 2,
}
};
RenderToFile(target);
CompareImages();
}
public void Negative_Margin_Larger_Than_Constraint_Should_Request_Height_0()
{
Control target;
var outer = new Decorator
{
Width = 100,
Height = 100,
Child = target = new Control
{
Margin = new Thickness(0, -100, 0, 0),
}
};
outer.Measure(Size.Infinity);
Assert.Equal(0, target.DesiredSize.Height);
}
public void Line_1px_Stroke_Vertical()
{
Decorator target = new Decorator
{
Width = 200,
Height = 200,
Child = new Line
{
Stroke = Brushes.Black,
StrokeThickness = 1,
StartPoint = new Point(100, 200),
EndPoint = new Point(100, 0)
}
};
RenderToFile(target);
CompareImages();
}
public void Tapped_Should_Be_Raised_Even_When_PointerPressed_Handled()
{
Border border;
var decorator = new Decorator
{
Child = border = new Border()
};
var result = new List<string>();
border.AddHandler(Border.PointerPressedEvent, (s, e) => e.Handled = true);
decorator.AddHandler(Gestures.TappedEvent, (s, e) => result.Add("dt"));
border.AddHandler(Gestures.TappedEvent, (s, e) => result.Add("bt"));
border.RaiseEvent(new PointerPressedEventArgs());
border.RaiseEvent(new PointerReleasedEventArgs());
Assert.Equal(new[] { "bt", "dt" }, result);
}
public void Polygon_NonUniformFill()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 400,
Height = 200,
Child = new Polygon
{
Stroke = Brushes.DarkBlue,
Stretch = Stretch.Fill,
Fill = Brushes.Violet,
Points = new[] { new Point(5, 0), new Point(8, 8), new Point(0, 3), new Point(10, 3), new Point(2, 8) },
StrokeThickness = 5,
}
};
RenderToFile(target);
CompareImages();
}
public void Path_100px_Triangle_Centered()
{
Decorator target = new Decorator
{
Width = 200,
Height = 200,
Child = new Path
{
Fill = Brushes.Gray,
Stroke = Brushes.Red,
StrokeThickness = 2,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
Data = StreamGeometry.Parse("M 0,100 L 100,100 50,0 Z"),
}
};
this.RenderToFile(target);
this.CompareImages();
}
public void Image_Stretch_None()
{
Decorator target = new Decorator
{
Padding = new Thickness(20, 8),
Width = 200,
Height = 200,
Content = new Border
{
Background = Brushes.Red,
Content = new Image
{
Source = this.bitmap,
Stretch = Stretch.None,
}
}
};
this.RenderToFile(target);
this.CompareImages();
}
public void Image_Stretch_Fill()
{
Decorator target = new Decorator
{
Padding = new Thickness(20, 8),
Width = 200,
Height = 200,
Child = new Border
{
Background = Brushes.Red,
Child = new Image
{
Source = _bitmap,
Stretch = Stretch.Fill,
}
}
};
RenderToFile(target);
CompareImages();
}
public void Path_Tick_Scaled()
{
Decorator target = new Decorator
{
Width = 200,
Height = 200,
Child = new Path
{
Fill = Brushes.Gray,
Stroke = Brushes.Red,
StrokeThickness = 2,
Stretch = Stretch.Uniform,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
Data = StreamGeometry.Parse("M 1145.607177734375,430 C1145.607177734375,430 1141.449951171875,435.0772705078125 1141.449951171875,435.0772705078125 1141.449951171875,435.0772705078125 1139.232177734375,433.0999755859375 1139.232177734375,433.0999755859375 1139.232177734375,433.0999755859375 1138,434.5538330078125 1138,434.5538330078125 1138,434.5538330078125 1141.482177734375,438 1141.482177734375,438 1141.482177734375,438 1141.96875,437.9375 1141.96875,437.9375 1141.96875,437.9375 1147,431.34619140625 1147,431.34619140625 1147,431.34619140625 1145.607177734375,430 1145.607177734375,430 z"),
}
};
RenderToFile(target);
CompareImages();
}
public void InputHitTest_Should_Not_Find_Control_Outside_Point()
{
var container = new Decorator
{
Width = 200,
Height = 200,
Child = new Border
{
Width = 100,
Height = 100,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
}
};
container.Measure(Size.Infinity);
container.Arrange(new Rect(container.DesiredSize));
var result = container.InputHitTest(new Point(10, 10));
Assert.Equal(container, result);
}
public void ImageBrush_NoStretch_NoTile_Alignment_Center()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Child = new Rectangle
{
Fill = new ImageBrush
{
Stretch = Stretch.None,
TileMode = TileMode.None,
AlignmentX = AlignmentX.Center,
AlignmentY = AlignmentY.Center,
Source = new Bitmap(BitmapPath),
}
}
};
RenderToFile(target);
CompareImages();
}
public void VisualBrush_NoStretch_NoTile_Alignment_TopLeft()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Child = new Rectangle
{
Fill = new VisualBrush
{
Stretch = Stretch.None,
TileMode = TileMode.None,
AlignmentX = AlignmentX.Left,
AlignmentY = AlignmentY.Top,
Visual = Visual,
}
}
};
RenderToFile(target);
CompareImages();
}
public void VisualBrush_Align_TopLeft()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Child = new Rectangle
{
Fill = new VisualBrush
{
AlignmentX = AlignmentX.Left,
AlignmentY = AlignmentY.Top,
Stretch = Stretch.None,
Visual = new Border
{
Width = 92,
Height = 92,
Background = Brushes.Red,
BorderBrush = Brushes.Black,
BorderThickness = 2,
Child = new TextBlock
{
Text = "Perspex",
FontSize = 12,
FontFamily = "Arial",
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
}
}
}
}
};
RenderToFile(target);
CompareImages();
}
public void DoubleTapped_Should_Follow_Pointer_Pressed_Released_Pressed()
{
Border border;
var decorator = new Decorator
{
Child = border = new Border()
};
var result = new List<string>();
decorator.AddHandler(Border.PointerPressedEvent, (s, e) => result.Add("dp"));
decorator.AddHandler(Border.PointerReleasedEvent, (s, e) => result.Add("dr"));
decorator.AddHandler(Gestures.TappedEvent, (s, e) => result.Add("dt"));
decorator.AddHandler(Gestures.DoubleTappedEvent, (s, e) => result.Add("ddt"));
border.AddHandler(Border.PointerPressedEvent, (s, e) => result.Add("bp"));
border.AddHandler(Border.PointerReleasedEvent, (s, e) => result.Add("br"));
border.AddHandler(Gestures.TappedEvent, (s, e) => result.Add("bt"));
border.AddHandler(Gestures.DoubleTappedEvent, (s, e) => result.Add("bdt"));
border.RaiseEvent(new PointerPressedEventArgs());
border.RaiseEvent(new PointerReleasedEventArgs());
border.RaiseEvent(new PointerPressedEventArgs { ClickCount = 2 });
Assert.Equal(new[] { "bp", "dp", "br", "dr", "bt", "dt", "bp", "dp", "bdt", "ddt" }, result);
}
public void Rectangle_Stroke_Fill_ClipToBounds()
{
Decorator target = new Decorator
{
Padding = new Thickness(8),
Width = 200,
Height = 200,
Child = new Rectangle
{
Stroke = Brushes.Black,
StrokeThickness = 2,
Fill = Brushes.Red,
ClipToBounds = true,
}
};
RenderToFile(target);
CompareImages();
}
public void Up_Continue_Returns_Parent()
{
Button current;
var top = new Decorator
{
Focusable = true,
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Child = current = new Button
{
Name = "Button",
}
};
var result = KeyboardNavigationHandler.GetNext(current, FocusNavigationDirection.Up);
Assert.Equal(top, result);
}
public void Up_Contained_Doesnt_Return_Child_Control()
{
Decorator current;
var top = new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Contained,
Children = new Controls
{
(current = new Decorator
{
Focusable = true,
Child = new Button(),
})
}
};
var result = KeyboardNavigationHandler.GetNext(current, FocusNavigationDirection.Up);
Assert.Null(result);
}
public void Previous_Continue_Returns_Parent()
{
Button current;
var top = new Decorator
{
Focusable = true,
Child = current = new Button
{
Name = "Button",
}
};
var result = KeyboardNavigationHandler.GetNext(current, FocusNavigationDirection.Previous);
Assert.Equal(top, result);
}
public void DataContext_Binding_Should_Use_Parent_DataContext()
{
var parentDataContext = Mock.Of<IHeadered>(x => x.Header == (object)"Foo");
var parent = new Decorator
{
Child = new Control(),
DataContext = parentDataContext,
};
var binding = new Binding
{
Path = "Header",
};
binding.Bind(parent.Child, Control.DataContextProperty);
Assert.Equal("Foo", parent.Child.DataContext);
parentDataContext = Mock.Of<IHeadered>(x => x.Header == (object)"Bar");
parent.DataContext = parentDataContext;
Assert.Equal("Bar", parent.Child.DataContext);
}
public void DataContext_Binding_Should_Track_Parent()
{
var parent = new Decorator
{
DataContext = new { Foo = "foo" },
};
var child = new Control();
var binding = new Binding
{
Path = "Foo",
};
binding.Bind(child, Control.DataContextProperty);
Assert.Null(child.DataContext);
parent.Child = child;
Assert.Equal("foo", child.DataContext);
}