diff --git a/tests/Avalonia.Controls.UnitTests/ButtonTests.cs b/tests/Avalonia.Controls.UnitTests/ButtonTests.cs index d218960726..9c9d09d4f8 100644 --- a/tests/Avalonia.Controls.UnitTests/ButtonTests.cs +++ b/tests/Avalonia.Controls.UnitTests/ButtonTests.cs @@ -1,7 +1,10 @@ using System; using System.Windows.Input; using Avalonia.Data; -using Avalonia.Markup.Data; +using Avalonia.Input; +using Avalonia.Media; +using Avalonia.VisualTree; +using Moq; using Xunit; namespace Avalonia.Controls.UnitTests @@ -92,6 +95,164 @@ namespace Avalonia.Controls.UnitTests Assert.False(target.IsEnabled); } + [Fact] + public void Button_Is_Raising_Click() + { + var mouse = Mock.Of(); + IInputElement captured = null; + Mock.Get(mouse).Setup(m => m.GetPosition(It.IsAny())).Returns(new Point(50, 50)); + Mock.Get(mouse).Setup(m => m.Capture(It.IsAny())).Callback(v => captured = v); + Mock.Get(mouse).Setup(m => m.Captured).Returns(() => captured); + + var target = new TestButton() { Bounds = new Rect(0, 0, 100, 100) }; + + bool clicked = false; + + target.Click += (s, e) => clicked = true; + + RaisePointerEnter(target, mouse); + RaisePointerMove(target, mouse); + RaisePointerPressed(target, mouse, 1, MouseButton.Left); + + Assert.Equal(captured, target); + + RaisePointerReleased(target, mouse, MouseButton.Left); + + Assert.Equal(captured, null); + + Assert.True(clicked); + } + + [Fact] + public void Button_Is_Not_Raising_Click_When_PointerReleased_Outside() + { + var mouse = Mock.Of(); + IInputElement captured = null; + Mock.Get(mouse).Setup(m => m.GetPosition(It.IsAny())).Returns(new Point(200, 50)); + Mock.Get(mouse).Setup(m => m.Capture(It.IsAny())).Callback(v => captured = v); + Mock.Get(mouse).Setup(m => m.Captured).Returns(() => captured); + + var target = new TestButton() { Bounds = new Rect(0, 0, 100, 100) }; + + bool clicked = false; + + target.Click += (s, e) => clicked = true; + + RaisePointerEnter(target, mouse); + RaisePointerMove(target, mouse); + RaisePointerPressed(target, mouse, 1, MouseButton.Left); + RaisePointerLeave(target, mouse); + + Assert.Equal(captured, target); + + RaisePointerReleased(target, mouse, MouseButton.Left); + + Assert.Equal(captured, null); + + Assert.False(clicked); + } + + [Fact] + public void Button_With_RenderTransform_Is_Raising_Click() + { + var mouse = Mock.Of(); + IInputElement captured = null; + Mock.Get(mouse).Setup(m => m.GetPosition(It.IsAny())).Returns(new Point(150, 50)); + Mock.Get(mouse).Setup(m => m.Capture(It.IsAny())).Callback(v => captured = v); + Mock.Get(mouse).Setup(m => m.Captured).Returns(() => captured); + + var target = new TestButton() + { + Bounds = new Rect(0, 0, 100, 100), + RenderTransform = new TranslateTransform { X = 100, Y = 0 } + }; + + //actual bounds of button should be 100,0,100,100 x -> translated 100 pixels + //so mouse with x=150 coordinates should trigger click + //button shouldn't count on bounds to calculate pointer is in the over or not, but + //on avalonia event system, as renderer hit test will properly calculate whether to send + //mouse over events to button based on rendered bounds + //note: button also may have not rectangular shape and only renderer hit testing is reliable + + bool clicked = false; + + target.Click += (s, e) => clicked = true; + + RaisePointerEnter(target, mouse); + RaisePointerMove(target, mouse); + RaisePointerPressed(target, mouse, 1, MouseButton.Left); + + Assert.Equal(captured, target); + + RaisePointerReleased(target, mouse, MouseButton.Left); + + Assert.Equal(captured, null); + + Assert.True(clicked); + } + + private class TestButton : Button + { + public new Rect Bounds + { + get => base.Bounds; + set => base.Bounds = value; + } + } + + private void RaisePointerPressed(Button button, IMouseDevice device, int clickCount, MouseButton mouseButton) + { + button.RaiseEvent(new PointerPressedEventArgs + { + RoutedEvent = InputElement.PointerPressedEvent, + Source = button, + MouseButton = mouseButton, + ClickCount = clickCount, + Device = device, + }); + } + + private void RaisePointerReleased(Button button, IMouseDevice device, MouseButton mouseButton) + { + button.RaiseEvent(new PointerReleasedEventArgs + { + RoutedEvent = InputElement.PointerReleasedEvent, + Source = button, + MouseButton = mouseButton, + Device = device, + }); + } + + private void RaisePointerEnter(Button button, IMouseDevice device) + { + button.RaiseEvent(new PointerEventArgs + { + RoutedEvent = InputElement.PointerEnterEvent, + Source = button, + Device = device, + }); + } + + private void RaisePointerLeave(Button button, IMouseDevice device) + { + button.RaiseEvent(new PointerEventArgs + { + RoutedEvent = InputElement.PointerLeaveEvent, + Source = button, + Device = device, + }); + } + + private void RaisePointerMove(Button button, IMouseDevice device) + { + button.RaiseEvent(new PointerEventArgs + { + RoutedEvent = InputElement.PointerMovedEvent, + Source = button, + Device = device, + }); + } + private class TestCommand : ICommand { private bool _enabled; @@ -123,4 +284,4 @@ namespace Avalonia.Controls.UnitTests } } } -} \ No newline at end of file +}