public void Should_Track_Bounds()
{
var target = new BoundsTracker();
var control = default(Rectangle);
var tree = new Decorator
{
Padding = new Thickness(10),
Child = new Decorator
{
Padding = new Thickness(5),
Child = 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 Should_Track_Bounds()
{
using (UnitTestApplication.Start(TestServices.StyledWindow))
{
var target = new BoundsTracker();
var control = default(Rectangle);
var tree = new Decorator
{
Padding = new Thickness(10),
Child = new Decorator
{
Padding = new Thickness(5),
Child = control = new Rectangle
{
Width = 15,
Height = 15,
},
}
};
var context = new DrawingContext(Mock.Of <IDrawingContextImpl>());
tree.Measure(Size.Infinity);
tree.Arrange(new Rect(0, 0, 100, 100));
ImmediateRenderer.Render(tree, context);
var track = target.Track(control);
var results = new List <TransformedBounds?>();
track.Subscribe(results.Add);
Assert.Equal(new Rect(0, 0, 15, 15), results[0].Value.Bounds);
Assert.Equal(Matrix.CreateTranslation(42, 42), results[0].Value.Transform);
}
}
