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); } }