InputElement_HitTesting.cs

        [Fact]
        public void InputHitTest_Should_Find_Control_Translated_Outside_Parent_Bounds()
        {
            using (UnitTestApplication.Start(new TestServices(renderInterface: new MockRenderInterface())))
            {
                Border target;
                var container = new Panel
                {
                    Width = 200,
                    Height = 200,
                    Children = new Controls.Controls
                    {
                        new Border
                        {
                            Width = 100,
                            Height = 100,
                            ZIndex = 1,
                            HorizontalAlignment = HorizontalAlignment.Left,
                            VerticalAlignment = VerticalAlignment.Top,
                            Child = target = new Border
                            {
                                Width = 50,
                                Height = 50,
                                HorizontalAlignment = HorizontalAlignment.Left,
                                VerticalAlignment = VerticalAlignment.Top,
                                RenderTransform = new TranslateTransform(110, 110),
                            }
                        },
                    }
                };

                container.Measure(Size.Infinity);
                container.Arrange(new Rect(container.DesiredSize));

                var context = new DrawingContext(Mock.Of<IDrawingContextImpl>());
                context.Render(container);

                var result = container.InputHitTest(new Point(120, 120));

                Assert.Equal(target, result);
            }
        }