Files
Terminal.Gui/Tests/UnitTests/Application/Mouse/ApplicationMouseEnterLeaveTests.cs
Tig fdeaa8331b Fixes #4298 - Updates test namespaces (#4299)
* Refactored test namespaces.
Moved some tests that were in wrong project.
Code cleanup

* Parrallel -> Parallel
2025-10-20 14:14:38 -06:00

482 lines
16 KiB
C#

using System.ComponentModel;
namespace UnitTests.ViewMouseTests;
[Trait ("Category", "Input")]
public class ApplicationMouseEnterLeaveTests
{
private class TestView : View
{
public TestView ()
{
X = 1;
Y = 1;
Width = 1;
Height = 1;
}
public bool CancelOnEnter { get; }
public int OnMouseEnterCalled { get; private set; }
public int OnMouseLeaveCalled { get; private set; }
protected override bool OnMouseEnter (CancelEventArgs eventArgs)
{
OnMouseEnterCalled++;
eventArgs.Cancel = CancelOnEnter;
base.OnMouseEnter (eventArgs);
return eventArgs.Cancel;
}
protected override void OnMouseLeave ()
{
OnMouseLeaveCalled++;
base.OnMouseLeave ();
}
}
[Fact]
public void RaiseMouseEnterLeaveEvents_MouseEntersView_CallsOnMouseEnter ()
{
// Arrange
Application.Top = new () { Frame = new (0, 0, 10, 10) };
var view = new TestView ();
Application.Top.Add (view);
var mousePosition = new Point (1, 1);
List<View> currentViewsUnderMouse = new () { view };
var mouseEvent = new MouseEventArgs
{
Position = mousePosition,
ScreenPosition = mousePosition
};
Application.CachedViewsUnderMouse.Clear ();
try
{
// Act
Application.RaiseMouseEnterLeaveEvents (mousePosition, currentViewsUnderMouse);
// Assert
Assert.Equal (1, view.OnMouseEnterCalled);
}
finally
{
// Cleanup
Application.Top?.Dispose ();
Application.ResetState ();
}
}
[Fact]
public void RaiseMouseEnterLeaveEvents_MouseLeavesView_CallsOnMouseLeave ()
{
// Arrange
Application.Top = new () { Frame = new (0, 0, 10, 10) };
var view = new TestView ();
Application.Top.Add (view);
var mousePosition = new Point (0, 0);
List<View> currentViewsUnderMouse = new ();
var mouseEvent = new MouseEventArgs ();
Application.CachedViewsUnderMouse.Clear ();
Application.CachedViewsUnderMouse.Add (view);
try
{
// Act
Application.RaiseMouseEnterLeaveEvents (mousePosition, currentViewsUnderMouse);
// Assert
Assert.Equal (0, view.OnMouseEnterCalled);
Assert.Equal (1, view.OnMouseLeaveCalled);
}
finally
{
// Cleanup
Application.Top?.Dispose ();
Application.ResetState ();
}
}
[Fact]
public void RaiseMouseEnterLeaveEvents_MouseMovesBetweenAdjacentViews_CallsOnMouseEnterAndLeave ()
{
// Arrange
Application.Top = new () { Frame = new (0, 0, 10, 10) };
var view1 = new TestView (); // at 1,1 to 2,2
var view2 = new TestView () // at 2,2 to 3,3
{
X = 2,
Y = 2
};
Application.Top.Add (view1);
Application.Top.Add (view2);
Application.CachedViewsUnderMouse.Clear ();
try
{
// Act
var mousePosition = new Point (0, 0);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (0, view1.OnMouseEnterCalled);
Assert.Equal (0, view1.OnMouseLeaveCalled);
Assert.Equal (0, view2.OnMouseEnterCalled);
Assert.Equal (0, view2.OnMouseLeaveCalled);
// Act
mousePosition = new (1, 1);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (0, view1.OnMouseLeaveCalled);
Assert.Equal (0, view2.OnMouseEnterCalled);
Assert.Equal (0, view2.OnMouseLeaveCalled);
// Act
mousePosition = new (2, 2);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (1, view1.OnMouseLeaveCalled);
Assert.Equal (1, view2.OnMouseEnterCalled);
Assert.Equal (0, view2.OnMouseLeaveCalled);
// Act
mousePosition = new (3, 3);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (1, view1.OnMouseLeaveCalled);
Assert.Equal (1, view2.OnMouseEnterCalled);
Assert.Equal (1, view2.OnMouseLeaveCalled);
// Act
mousePosition = new (0, 0);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (1, view1.OnMouseLeaveCalled);
Assert.Equal (1, view2.OnMouseEnterCalled);
Assert.Equal (1, view2.OnMouseLeaveCalled);
}
finally
{
// Cleanup
Application.Top?.Dispose ();
Application.ResetState ();
}
}
[Fact]
public void RaiseMouseEnterLeaveEvents_NoViewsUnderMouse_DoesNotCallOnMouseEnterOrLeave ()
{
// Arrange
Application.Top = new () { Frame = new (0, 0, 10, 10) };
var view = new TestView ();
Application.Top.Add (view);
var mousePosition = new Point (0, 0);
List<View> currentViewsUnderMouse = new ();
var mouseEvent = new MouseEventArgs ();
Application.CachedViewsUnderMouse.Clear ();
try
{
// Act
Application.RaiseMouseEnterLeaveEvents (mousePosition, currentViewsUnderMouse);
// Assert
Assert.Equal (0, view.OnMouseEnterCalled);
Assert.Equal (0, view.OnMouseLeaveCalled);
}
finally
{
// Cleanup
Application.Top?.Dispose ();
Application.ResetState ();
}
}
[Fact]
public void RaiseMouseEnterLeaveEvents_MouseMovesBetweenOverlappingPeerViews_CallsOnMouseEnterAndLeave ()
{
// Arrange
Application.Top = new () { Frame = new (0, 0, 10, 10) };
var view1 = new TestView
{
Width = 2
}; // at 1,1 to 3,2
var view2 = new TestView () // at 2,2 to 4,3
{
Width = 2,
X = 2,
Y = 2
};
Application.Top.Add (view1);
Application.Top.Add (view2);
Application.CachedViewsUnderMouse.Clear ();
try
{
// Act
var mousePosition = new Point (0, 0);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (0, view1.OnMouseEnterCalled);
Assert.Equal (0, view1.OnMouseLeaveCalled);
Assert.Equal (0, view2.OnMouseEnterCalled);
Assert.Equal (0, view2.OnMouseLeaveCalled);
// Act
mousePosition = new (1, 1);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (0, view1.OnMouseLeaveCalled);
Assert.Equal (0, view2.OnMouseEnterCalled);
Assert.Equal (0, view2.OnMouseLeaveCalled);
// Act
mousePosition = new (2, 2);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (1, view1.OnMouseLeaveCalled);
Assert.Equal (1, view2.OnMouseEnterCalled);
Assert.Equal (0, view2.OnMouseLeaveCalled);
// Act
mousePosition = new (3, 3);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (1, view1.OnMouseLeaveCalled);
Assert.Equal (1, view2.OnMouseEnterCalled);
Assert.Equal (1, view2.OnMouseLeaveCalled);
// Act
mousePosition = new (0, 0);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (1, view1.OnMouseLeaveCalled);
Assert.Equal (1, view2.OnMouseEnterCalled);
Assert.Equal (1, view2.OnMouseLeaveCalled);
// Act
mousePosition = new (2, 2);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (1, view1.OnMouseLeaveCalled);
Assert.Equal (2, view2.OnMouseEnterCalled);
Assert.Equal (1, view2.OnMouseLeaveCalled);
}
finally
{
// Cleanup
Application.Top?.Dispose ();
Application.ResetState ();
}
}
[Fact]
public void RaiseMouseEnterLeaveEvents_MouseMovesBetweenOverlappingSubViews_CallsOnMouseEnterAndLeave ()
{
// Arrange
Application.Top = new () { Frame = new (0, 0, 10, 10) };
var view1 = new TestView
{
Id = "view1",
Width = 2,
Height = 2,
Arrangement = ViewArrangement.Overlapped
}; // at 1,1 to 3,3 (screen)
var subView = new TestView
{
Id = "subView",
Width = 2,
Height = 2,
X = 1,
Y = 1,
Arrangement = ViewArrangement.Overlapped
}; // at 2,2 to 4,4 (screen)
view1.Add (subView);
Application.Top.Add (view1);
Application.CachedViewsUnderMouse.Clear ();
try
{
Assert.Equal (1, view1.FrameToScreen ().X);
Assert.Equal (2, subView.FrameToScreen ().X);
// Act
var mousePosition = new Point (0, 0);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (0, view1.OnMouseEnterCalled);
Assert.Equal (0, view1.OnMouseLeaveCalled);
Assert.Equal (0, subView.OnMouseEnterCalled);
Assert.Equal (0, subView.OnMouseLeaveCalled);
// Act
mousePosition = new (1, 1);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (0, view1.OnMouseLeaveCalled);
Assert.Equal (0, subView.OnMouseEnterCalled);
Assert.Equal (0, subView.OnMouseLeaveCalled);
// Act
mousePosition = new (2, 2);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (0, view1.OnMouseLeaveCalled);
Assert.Equal (1, subView.OnMouseEnterCalled);
Assert.Equal (0, subView.OnMouseLeaveCalled);
// Act
mousePosition = new (0, 0);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (1, view1.OnMouseEnterCalled);
Assert.Equal (1, view1.OnMouseLeaveCalled);
Assert.Equal (1, subView.OnMouseEnterCalled);
Assert.Equal (1, subView.OnMouseLeaveCalled);
// Act
mousePosition = new (2, 2);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (2, view1.OnMouseEnterCalled);
Assert.Equal (1, view1.OnMouseLeaveCalled);
Assert.Equal (2, subView.OnMouseEnterCalled);
Assert.Equal (1, subView.OnMouseLeaveCalled);
// Act
mousePosition = new (3, 3);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (2, view1.OnMouseEnterCalled);
Assert.Equal (2, view1.OnMouseLeaveCalled);
Assert.Equal (2, subView.OnMouseEnterCalled);
Assert.Equal (2, subView.OnMouseLeaveCalled);
// Act
mousePosition = new (0, 0);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (2, view1.OnMouseEnterCalled);
Assert.Equal (2, view1.OnMouseLeaveCalled);
Assert.Equal (2, subView.OnMouseEnterCalled);
Assert.Equal (2, subView.OnMouseLeaveCalled);
// Act
mousePosition = new (2, 2);
Application.RaiseMouseEnterLeaveEvents (
mousePosition,
View.GetViewsUnderLocation (mousePosition, ViewportSettingsFlags.TransparentMouse));
// Assert
Assert.Equal (3, view1.OnMouseEnterCalled);
Assert.Equal (2, view1.OnMouseLeaveCalled);
Assert.Equal (3, subView.OnMouseEnterCalled);
Assert.Equal (2, subView.OnMouseLeaveCalled);
}
finally
{
// Cleanup
Application.Top?.Dispose ();
Application.ResetState ();
}
}
}