Files
Terminal.Gui/UnitTests/Views/OverlappedTests.cs
2024-08-27 20:51:32 -07:00

1301 lines
54 KiB
C#

#nullable enable
using System.Threading;
using JetBrains.Annotations;
using Xunit.Abstractions;
namespace Terminal.Gui.ViewsTests;
public class OverlappedTests
{
private readonly ITestOutputHelper _output;
public OverlappedTests (ITestOutputHelper output)
{
_output = output;
#if DEBUG_IDISPOSABLE
Responder.Instances.Clear ();
RunState.Instances.Clear ();
#endif
}
[Fact]
[AutoInitShutdown]
public void AllChildClosed_Event_Test ()
{
var overlapped = new Overlapped ();
var c1 = new Toplevel ();
var c2 = new Window ();
var c3 = new Window ();
// OverlappedChild = c1, c2, c3
var iterations = 3;
overlapped.Ready += (s, e) =>
{
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c1);
};
c1.Ready += (s, e) =>
{
Assert.Single (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c2);
};
c2.Ready += (s, e) =>
{
Assert.Equal (2, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (c3);
};
c3.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
c3.RequestStop ();
c2.RequestStop ();
c1.RequestStop ();
};
// Now this will close the OverlappedContainer when all OverlappedChildren was closed
overlapped.AllChildClosed += (s, e) => { overlapped.RequestStop (); };
Application.Iteration += (s, a) =>
{
if (iterations == 3)
{
// The Current still is c3 because Current.Running is false.
Assert.True (Application.Current == c3);
Assert.False (Application.Current.Running);
// But the Children order were reorder by Running = false
Assert.True (ApplicationOverlapped.OverlappedChildren! [0] == c3);
Assert.True (ApplicationOverlapped.OverlappedChildren [1] == c2);
Assert.True (ApplicationOverlapped.OverlappedChildren [^1] == c1);
}
else if (iterations == 2)
{
// The Current is c2 and Current.Running is false.
Assert.True (Application.Current == c2);
Assert.False (Application.Current.Running);
Assert.True (ApplicationOverlapped.OverlappedChildren ![0] == c2);
Assert.True (ApplicationOverlapped.OverlappedChildren [^1] == c1);
}
else if (iterations == 1)
{
// The Current is c1 and Current.Running is false.
Assert.True (Application.Current == c1);
Assert.False (Application.Current.Running);
Assert.True (ApplicationOverlapped.OverlappedChildren! [^1] == c1);
}
else
{
// The Current is overlapped.
Assert.True (Application.Current == overlapped);
Assert.False (Application.Current.Running);
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
}
iterations--;
};
Application.Run (overlapped);
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Assert.NotNull (ApplicationOverlapped.OverlappedTop);
Assert.NotNull (Application.Top);
overlapped.Dispose ();
}
[Fact]
[AutoInitShutdown]
public void Application_RequestStop_With_Params_On_A_Not_OverlappedContainer_Always_Use_Application_Current ()
{
var top1 = new Toplevel ();
var top2 = new Toplevel ();
var top3 = new Window ();
var top4 = new Window ();
var d = new Dialog ();
// top1, top2, top3, d1 = 4
var iterations = 4;
top1.Ready += (s, e) =>
{
Assert.Null (ApplicationOverlapped.OverlappedChildren);
Application.Run (top2);
};
top2.Ready += (s, e) =>
{
Assert.Null (ApplicationOverlapped.OverlappedChildren);
Application.Run (top3);
};
top3.Ready += (s, e) =>
{
Assert.Null (ApplicationOverlapped.OverlappedChildren);
Application.Run (top4);
};
top4.Ready += (s, e) =>
{
Assert.Null (ApplicationOverlapped.OverlappedChildren);
Application.Run (d);
};
d.Ready += (s, e) =>
{
Assert.Null (ApplicationOverlapped.OverlappedChildren);
// This will close the d because on a not OverlappedContainer the Application.Current it always used.
Application.RequestStop (top1);
Assert.True (Application.Current == d);
};
d.Closed += (s, e) => Application.RequestStop (top1);
Application.Iteration += (s, a) =>
{
Assert.Null (ApplicationOverlapped.OverlappedChildren);
if (iterations == 4)
{
Assert.True (Application.Current == d);
}
else if (iterations == 3)
{
Assert.True (Application.Current == top4);
}
else if (iterations == 2)
{
Assert.True (Application.Current == top3);
}
else if (iterations == 1)
{
Assert.True (Application.Current == top2);
}
else
{
Assert.True (Application.Current == top1);
}
Application.RequestStop (top1);
iterations--;
};
Application.Run (top1);
Assert.Null (ApplicationOverlapped.OverlappedChildren);
top1.Dispose ();
}
[Fact]
[TestRespondersDisposed]
public void Dispose_Toplevel_IsOverlappedContainer_False_With_Begin_End ()
{
Application.Init (new FakeDriver ());
var top = new Toplevel ();
RunState rs = Application.Begin (top);
Application.End (rs);
top.Dispose ();
Application.Shutdown ();
#if DEBUG_IDISPOSABLE
Assert.Empty (Responder.Instances);
#endif
}
[Fact]
[TestRespondersDisposed]
public void Dispose_Toplevel_IsOverlappedContainer_True_With_Begin ()
{
Application.Init (new FakeDriver ());
var overlapped = new Toplevel { IsOverlappedContainer = true };
RunState rs = Application.Begin (overlapped);
Application.End (rs);
overlapped.Dispose ();
Application.Shutdown ();
}
[Fact]
[AutoInitShutdown]
public void IsOverlappedChild_Testing ()
{
var overlapped = new Overlapped ();
var c1 = new Toplevel ();
var c2 = new Window ();
var c3 = new Window ();
var d = new Dialog ();
Application.Iteration += (s, a) =>
{
Assert.False (ApplicationOverlapped.IsOverlapped(overlapped));
Assert.True (ApplicationOverlapped.IsOverlapped(c1));
Assert.True (ApplicationOverlapped.IsOverlapped(c2));
Assert.True (ApplicationOverlapped.IsOverlapped(c3));
Assert.False (ApplicationOverlapped.IsOverlapped(d));
overlapped.RequestStop ();
};
Application.Run (overlapped);
overlapped.Dispose ();
}
[Fact]
[AutoInitShutdown]
public void
Modal_Toplevel_Can_Open_Another_Modal_Toplevel_But_RequestStop_To_The_Caller_Also_Sets_Current_Running_To_False_Too ()
{
var overlapped = new Overlapped ();
var c1 = new Toplevel ();
var c2 = new Window ();
var c3 = new Window ();
var d1 = new Dialog ();
var d2 = new Dialog ();
// OverlappedChild = c1, c2, c3 = 3
// d1, d2 = 2
var iterations = 5;
overlapped.Ready += (s, e) =>
{
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c1);
};
c1.Ready += (s, e) =>
{
Assert.Single (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c2);
};
c2.Ready += (s, e) =>
{
Assert.Equal (2, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (c3);
};
c3.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (d1);
};
d1.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (d2);
};
d2.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
Assert.True (Application.Current == d2);
Assert.True (Application.Current.Running);
// Trying to close the Dialog1
d1.RequestStop ();
};
// Now this will close the OverlappedContainer propagating through the OverlappedChildren.
d1.Closed += (s, e) =>
{
Assert.True (Application.Current == d1);
Assert.False (Application.Current.Running);
overlapped.RequestStop ();
};
Application.Iteration += (s, a) =>
{
if (iterations == 5)
{
// The Dialog2 still is the current top and we can't request stop to OverlappedContainer
// because Dialog2 and Dialog1 must be closed first.
// Dialog2 will be closed in this iteration.
Assert.True (Application.Current == d2);
Assert.False (Application.Current.Running);
Assert.False (d1.Running);
}
else if (iterations == 4)
{
// Dialog1 will be closed in this iteration.
Assert.True (Application.Current == d1);
Assert.False (Application.Current.Running);
}
else
{
Assert.Equal (iterations, ApplicationOverlapped.OverlappedChildren!.Count);
for (var i = 0; i < iterations; i++)
{
Assert.Equal ((iterations - i + 1).ToString (), ApplicationOverlapped.OverlappedChildren [i].Id);
}
}
iterations--;
};
Application.Run (overlapped);
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Assert.NotNull (ApplicationOverlapped.OverlappedTop);
Assert.NotNull (Application.Top);
overlapped.Dispose ();
}
[Fact]
[AutoInitShutdown]
public void
Modal_Toplevel_Can_Open_Another_Not_Modal_Toplevel_But_RequestStop_To_The_Caller_Also_Sets_Current_Running_To_False_Too ()
{
var overlapped = new Overlapped ();
var c1 = new Toplevel ();
var c2 = new Window ();
var c3 = new Window ();
var d1 = new Dialog ();
var c4 = new Toplevel ();
// OverlappedChild = c1, c2, c3, c4 = 4
// d1 = 1
var iterations = 5;
overlapped.Ready += (s, e) =>
{
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c1);
};
c1.Ready += (s, e) =>
{
Assert.Single (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c2);
};
c2.Ready += (s, e) =>
{
Assert.Equal (2, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (c3);
};
c3.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (d1);
};
d1.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (c4);
};
c4.Ready += (s, e) =>
{
Assert.Equal (4, ApplicationOverlapped.OverlappedChildren!.Count);
// Trying to close the Dialog1
d1.RequestStop ();
};
// Now this will close the OverlappedContainer propagating through the OverlappedChildren.
d1.Closed += (s, e) => { overlapped.RequestStop (); };
Application.Iteration += (s, a) =>
{
if (iterations == 5)
{
// The Dialog2 still is the current top and we can't request stop to OverlappedContainer
// because Dialog2 and Dialog1 must be closed first.
// Using request stop here will call the Dialog again without need
Assert.True (Application.Current == d1);
Assert.False (Application.Current.Running);
Assert.True (c4.Running);
}
else
{
Assert.Equal (iterations, ApplicationOverlapped.OverlappedChildren!.Count);
for (var i = 0; i < iterations; i++)
{
Assert.Equal (
(iterations - i + (iterations == 4 && i == 0 ? 2 : 1)).ToString (),
ApplicationOverlapped.OverlappedChildren [i].Id
);
}
}
iterations--;
};
Application.Run (overlapped);
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Assert.NotNull (ApplicationOverlapped.OverlappedTop);
Assert.NotNull (Application.Top);
overlapped.Dispose ();
}
[Fact]
[AutoInitShutdown]
public void MoveCurrent_Returns_False_If_The_Current_And_Top_Parameter_Are_Both_With_Running_Set_To_False ()
{
Overlapped? overlapped = new Overlapped ();
var c1 = new Toplevel ();
var c2 = new Window ();
var c3 = new Window ();
// OverlappedChild = c1, c2, c3
var iterations = 3;
overlapped.Ready += (s, e) =>
{
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c1);
};
c1.Ready += (s, e) =>
{
Assert.Single (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c2);
};
c2.Ready += (s, e) =>
{
Assert.Equal (2, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (c3);
};
c3.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
c3.RequestStop ();
c1.RequestStop ();
};
// Now this will close the OverlappedContainer propagating through the OverlappedChildren.
c1.Closed += (s, e) => { overlapped.RequestStop (); };
Application.Iteration += (s, a) =>
{
if (iterations == 3)
{
// The Current still is c3 because Current.Running is false.
Assert.True (Application.Current == c3);
Assert.False (Application.Current.Running);
// But the Children order were reorder by Running = false
Assert.True (ApplicationOverlapped.OverlappedChildren! [0] == c3);
Assert.True (ApplicationOverlapped.OverlappedChildren [1] == c1);
Assert.True (ApplicationOverlapped.OverlappedChildren [^1] == c2);
}
else if (iterations == 2)
{
// The Current is c1 and Current.Running is false.
Assert.True (Application.Current == c1);
Assert.False (Application.Current.Running);
Assert.True (ApplicationOverlapped.OverlappedChildren! [0] == c1);
Assert.True (ApplicationOverlapped.OverlappedChildren [^1] == c2);
}
else if (iterations == 1)
{
// The Current is c2 and Current.Running is false.
Assert.True (Application.Current == c2);
Assert.False (Application.Current.Running);
Assert.True (ApplicationOverlapped.OverlappedChildren! [^1] == c2);
}
else
{
// The Current is overlapped.
Assert.True (Application.Current == overlapped);
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
}
iterations--;
};
Application.Run (overlapped);
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Assert.NotNull (ApplicationOverlapped.OverlappedTop);
Assert.NotNull (Application.Top);
overlapped.Dispose ();
}
[Fact]
public void MoveToOverlappedChild_Throw_NullReferenceException_Passing_Null_Parameter ()
{
Assert.Throws<ArgumentNullException> (delegate { ApplicationOverlapped.MoveToOverlappedChild (null); });
}
[Fact]
[AutoInitShutdown]
public void OverlappedContainer_Open_And_Close_Modal_And_Open_Not_Modal_Toplevels_Randomly ()
{
var overlapped = new Overlapped ();
var logger = new Toplevel ();
var iterations = 1; // The logger
var running = true;
var stageCompleted = true;
var allStageClosed = false;
var overlappedRequestStop = false;
overlapped.Ready += (s, e) =>
{
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Application.Run (logger);
};
logger.Ready += (s, e) => Assert.Single (ApplicationOverlapped.OverlappedChildren!);
Application.Iteration += (s, a) =>
{
if (stageCompleted && running)
{
stageCompleted = false;
var stage = new Window { Modal = true };
stage.Ready += (s, e) =>
{
Assert.Equal (iterations, ApplicationOverlapped.OverlappedChildren!.Count);
stage.RequestStop ();
};
stage.Closed += (_, _) =>
{
if (iterations == 11)
{
allStageClosed = true;
}
Assert.Equal (iterations, ApplicationOverlapped.OverlappedChildren!.Count);
if (running)
{
stageCompleted = true;
var rpt = new Window ();
rpt.Ready += (s, e) =>
{
iterations++;
Assert.Equal (iterations, ApplicationOverlapped.OverlappedChildren.Count);
};
Application.Run (rpt);
}
};
Application.Run (stage);
}
else if (iterations == 11 && running)
{
running = false;
Assert.Equal (iterations, ApplicationOverlapped.OverlappedChildren!.Count);
}
else if (!overlappedRequestStop && running && !allStageClosed)
{
Assert.Equal (iterations, ApplicationOverlapped.OverlappedChildren!.Count);
}
else if (!overlappedRequestStop && !running && allStageClosed)
{
Assert.Equal (iterations, ApplicationOverlapped.OverlappedChildren!.Count);
overlappedRequestStop = true;
overlapped?.RequestStop ();
}
else
{
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
}
};
Application.Run (overlapped);
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Assert.NotNull (ApplicationOverlapped.OverlappedTop);
Assert.NotNull (Application.Top);
overlapped.Dispose ();
}
[Fact]
[AutoInitShutdown]
public void OverlappedContainer_Throws_If_More_Than_One ()
{
var overlapped = new Overlapped ();
var overlapped2 = new Overlapped ();
overlapped.Ready += (s, e) =>
{
Assert.Throws<InvalidOperationException> (() => Application.Run (overlapped2));
overlapped.RequestStop ();
};
Application.Run (overlapped);
overlapped.Dispose ();
}
[Fact]
[AutoInitShutdown]
public void OverlappedContainer_With_Application_RequestStop_OverlappedTop_With_Params ()
{
var overlapped = new Overlapped ();
var c1 = new Toplevel ();
var c2 = new Window ();
var c3 = new Window ();
var d = new Dialog ();
// OverlappedChild = c1, c2, c3
// d1 = 1
var iterations = 4;
overlapped.Ready += (s, e) =>
{
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c1);
};
c1.Ready += (s, e) =>
{
Assert.Single (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c2);
};
c2.Ready += (s, e) =>
{
Assert.Equal (2, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (c3);
};
c3.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (d);
};
// Also easy because the Overlapped Container handles all at once
d.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
// This will not close the OverlappedContainer because d is a modal Toplevel
Application.RequestStop (overlapped);
};
// Now this will close the OverlappedContainer propagating through the OverlappedChildren.
d.Closed += (s, e) => Application.RequestStop (overlapped);
Application.Iteration += (s, a) =>
{
if (iterations == 4)
{
// The Dialog was not closed before and will be closed now.
Assert.True (Application.Current == d);
Assert.False (d.Running);
}
else
{
Assert.Equal (iterations, ApplicationOverlapped.OverlappedChildren!.Count);
for (var i = 0; i < iterations; i++)
{
Assert.Equal ((iterations - i + 1).ToString (), ApplicationOverlapped.OverlappedChildren [i].Id);
}
}
iterations--;
};
Application.Run (overlapped);
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Assert.NotNull (ApplicationOverlapped.OverlappedTop);
Assert.NotNull (Application.Top);
overlapped.Dispose ();
}
[Fact]
[AutoInitShutdown]
public void OverlappedContainer_With_Application_RequestStop_OverlappedTop_Without_Params ()
{
var overlapped = new Overlapped ();
var c1 = new Toplevel ();
var c2 = new Window ();
var c3 = new Window ();
var d = new Dialog ();
// OverlappedChild = c1, c2, c3 = 3
// d1 = 1
var iterations = 4;
overlapped.Ready += (s, e) =>
{
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c1);
};
c1.Ready += (s, e) =>
{
Assert.Single (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c2);
};
c2.Ready += (s, e) =>
{
Assert.Equal (2, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (c3);
};
c3.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (d);
};
//More harder because it's sequential.
d.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
// Close the Dialog
Application.RequestStop ();
};
// Now this will close the OverlappedContainer propagating through the OverlappedChildren.
d.Closed += (s, e) => Application.RequestStop (overlapped);
Application.Iteration += (s, a) =>
{
if (iterations == 4)
{
// The Dialog still is the current top and we can't request stop to OverlappedContainer
// because we are not using parameter calls.
Assert.True (Application.Current == d);
Assert.False (d.Running);
}
else
{
Assert.Equal (iterations, ApplicationOverlapped.OverlappedChildren!.Count);
for (var i = 0; i < iterations; i++)
{
Assert.Equal ((iterations - i + 1).ToString (), ApplicationOverlapped.OverlappedChildren [i].Id);
}
}
iterations--;
};
Application.Run (overlapped);
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Assert.NotNull (ApplicationOverlapped.OverlappedTop);
Assert.NotNull (Application.Top);
overlapped.Dispose ();
}
[Fact]
[AutoInitShutdown]
public void OverlappedContainer_With_Toplevel_RequestStop_Balanced ()
{
var overlapped = new Overlapped ();
var c1 = new Toplevel ();
var c2 = new Window ();
var c3 = new Window ();
var d = new Dialog ();
// OverlappedChild = c1, c2, c3
// d1 = 1
var iterations = 4;
overlapped.Ready += (s, e) =>
{
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c1);
};
c1.Ready += (s, e) =>
{
Assert.Single (ApplicationOverlapped.OverlappedChildren!);
Application.Run (c2);
};
c2.Ready += (s, e) =>
{
Assert.Equal (2, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (c3);
};
c3.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
Application.Run (d);
};
// More easy because the Overlapped Container handles all at once
d.Ready += (s, e) =>
{
Assert.Equal (3, ApplicationOverlapped.OverlappedChildren!.Count);
// This will not close the OverlappedContainer because d is a modal Toplevel and will be closed.
overlapped.RequestStop ();
};
// Now this will close the OverlappedContainer propagating through the OverlappedChildren.
d.Closed += (s, e) => { overlapped.RequestStop (); };
Application.Iteration += (s, a) =>
{
if (iterations == 4)
{
// The Dialog was not closed before and will be closed now.
Assert.True (Application.Current == d);
Assert.False (d.Running);
}
else
{
Assert.Equal (iterations, ApplicationOverlapped.OverlappedChildren!.Count);
for (var i = 0; i < iterations; i++)
{
Assert.Equal ((iterations - i + 1).ToString (), ApplicationOverlapped.OverlappedChildren [i].Id);
}
}
iterations--;
};
Application.Run (overlapped);
Assert.Empty (ApplicationOverlapped.OverlappedChildren!);
Assert.NotNull (ApplicationOverlapped.OverlappedTop);
Assert.NotNull (Application.Top);
overlapped.Dispose ();
}
[Fact]
[AutoInitShutdown]
public void Visible_False_Does_Not_Clear ()
{
var overlapped = new Overlapped ();
var win1 = new Window { Width = 5, Height = 5, Visible = false };
var win2 = new Window { X = 1, Y = 1, Width = 5, Height = 5 };
((FakeDriver)Application.Driver!).SetBufferSize (10, 10);
RunState rsOverlapped = Application.Begin (overlapped);
// Need to fool MainLoop into thinking it's running
Application.MainLoop!.Running = true;
// RunIteration must be call on each iteration because
// it's using the Begin and not the Run method
var firstIteration = false;
Application.RunIteration (ref rsOverlapped, ref firstIteration);
Assert.Equal (overlapped, rsOverlapped.Toplevel);
Assert.Equal (Application.Top, rsOverlapped.Toplevel);
Assert.Equal (ApplicationOverlapped.OverlappedTop, rsOverlapped.Toplevel);
Assert.Equal (Application.Current, rsOverlapped.Toplevel);
Assert.Equal (overlapped, Application.Current);
RunState rsWin1 = Application.Begin (win1);
Application.RunIteration (ref rsOverlapped, ref firstIteration);
Assert.Equal (overlapped, rsOverlapped.Toplevel);
Assert.Equal (Application.Top, rsOverlapped.Toplevel);
Assert.Equal (ApplicationOverlapped.OverlappedTop, rsOverlapped.Toplevel);
// The win1 Visible is false and cannot be set as the Current
Assert.Equal (Application.Current, rsOverlapped.Toplevel);
Assert.Equal (overlapped, Application.Current);
Assert.Equal (win1, rsWin1.Toplevel);
RunState rsWin2 = Application.Begin (win2);
Application.RunIteration (ref rsOverlapped, ref firstIteration);
// Here the Current and the rsOverlapped.Toplevel is now the win2
// and not the original overlapped
Assert.Equal (win2, rsOverlapped.Toplevel);
Assert.Equal (Application.Top, overlapped);
Assert.Equal (ApplicationOverlapped.OverlappedTop, overlapped);
Assert.Equal (Application.Current, rsWin2.Toplevel);
Assert.Equal (win2, Application.Current);
Assert.Equal (win1, rsWin1.Toplevel);
// Tests that rely on visuals are too fragile. If border style changes they break.
// Instead we should just rely on the test above.
Application.OnMouseEvent (new MouseEvent { Position = new (1, 1), Flags = MouseFlags.Button1Pressed });
Assert.Equal (win2.Border, Application.MouseGrabView);
Application.RunIteration (ref rsOverlapped, ref firstIteration);
Assert.Equal (win2, rsOverlapped.Toplevel);
Assert.Equal (Application.Top, overlapped);
Assert.Equal (ApplicationOverlapped.OverlappedTop, overlapped);
Assert.Equal (Application.Current, rsWin2.Toplevel);
Assert.Equal (win2, Application.Current);
Assert.Equal (win1, rsWin1.Toplevel);
Application.OnMouseEvent (new MouseEvent
{
Position = new (2, 2), Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition
});
Application.RunIteration (ref rsOverlapped, ref firstIteration);
Assert.Equal (win2, rsOverlapped.Toplevel);
Assert.Equal (Application.Top, overlapped);
Assert.Equal (ApplicationOverlapped.OverlappedTop, overlapped);
Assert.Equal (Application.Current, rsWin2.Toplevel);
Assert.Equal (win2, Application.Current);
Assert.Equal (win1, rsWin1.Toplevel);
// Tests that rely on visuals are too fragile. If border style changes they break.
// Instead we should just rely on the test above.
// This will end the win2 and not the overlapped
Application.End (rsOverlapped);
// rsOverlapped has been disposed and Toplevel property is null
// So we must use another valid RunState to iterate
Application.RunIteration (ref rsWin1, ref firstIteration);
#if DEBUG_IDISPOSABLE
Assert.True (rsOverlapped.WasDisposed);
#endif
Assert.Null (rsOverlapped.Toplevel);
Assert.Equal (Application.Top, overlapped);
Assert.Equal (ApplicationOverlapped.OverlappedTop, overlapped);
Assert.Equal (Application.Current, rsWin1.Toplevel);
Assert.Equal (win1, Application.Current);
Assert.Equal (win1, rsWin1.Toplevel);
Application.End (rsWin1);
// rsWin1 has been disposed and Toplevel property is null
// So we must use another valid RunState to iterate
Application.RunIteration (ref rsWin2, ref firstIteration);
#if DEBUG_IDISPOSABLE
Assert.True (rsOverlapped.WasDisposed);
Assert.True (rsWin1.WasDisposed);
#endif
Assert.Null (rsOverlapped.Toplevel);
Assert.Equal (Application.Top, overlapped);
Assert.Equal (ApplicationOverlapped.OverlappedTop, overlapped);
Assert.Equal (Application.Current, overlapped);
Assert.Null (rsWin1.Toplevel);
// See here that the only Toplevel that needs to End is the overlapped
// which the rsWin2 now has the Toplevel set to the overlapped
Assert.Equal (overlapped, rsWin2.Toplevel);
Application.End (rsWin2);
// There is no more RunState to iteration
#if DEBUG_IDISPOSABLE
Assert.True (rsOverlapped.WasDisposed);
Assert.True (rsWin1.WasDisposed);
Assert.True (rsWin2.WasDisposed);
#endif
Assert.Null (rsOverlapped.Toplevel);
Assert.Equal (Application.Top, overlapped);
Assert.Equal (ApplicationOverlapped.OverlappedTop, overlapped);
Assert.Null (Application.Current);
Assert.Null (rsWin1.Toplevel);
Assert.Null (rsWin2.Toplevel);
#if DEBUG_IDISPOSABLE
Assert.False (win2.WasDisposed);
Assert.False (win1.WasDisposed);
Assert.False (overlapped.WasDisposed);
#endif
// Now dispose all them
win2.Dispose ();
win1.Dispose ();
overlapped.Dispose ();
Application.Shutdown ();
}
private class Overlapped : Toplevel
{
public Overlapped () { IsOverlappedContainer = true; }
}
[Fact (Skip = "#2491: This test is really bogus. It does things like Runnable = false and is overly convolulted. Replace.")]
[AutoInitShutdown]
public void KeyBindings_Command_With_OverlappedTop ()
{
Toplevel top = new ();
Assert.Null (ApplicationOverlapped.OverlappedTop);
top.IsOverlappedContainer = true;
Application.Begin (top);
Assert.Equal (Application.Top, ApplicationOverlapped.OverlappedTop);
var isRunning = true;
var win1 = new Window { Id = "win1", Width = Dim.Percent (50), Height = Dim.Fill () };
var lblTf1W1 = new Label { Text = "Enter text in TextField on Win1:" };
var tf1W1 = new TextField { Id="tf1W1", X = Pos.Right (lblTf1W1) + 1, Width = Dim.Fill (), Text = "Text1 on Win1" };
var lblTvW1 = new Label { Y = Pos.Bottom (lblTf1W1) + 1, Text = "Enter text in TextView on Win1:" };
var tvW1 = new TextView
{
Id = "tvW1",
X = Pos.Left (tf1W1), Width = Dim.Fill (), Height = 2, Text = "First line Win1\nSecond line Win1"
};
var lblTf2W1 = new Label { Y = Pos.Bottom (lblTvW1) + 1, Text = "Enter text in TextField on Win1:" };
var tf2W1 = new TextField { Id = "tf2W1", X = Pos.Left (tf1W1), Width = Dim.Fill (), Text = "Text2 on Win1" };
win1.Add (lblTf1W1, tf1W1, lblTvW1, tvW1, lblTf2W1, tf2W1);
var win2 = new Window { Id = "win2", Width = Dim.Percent (50), Height = Dim.Fill () };
var lblTf1W2 = new Label { Text = "Enter text in TextField on Win2:" };
var tf1W2 = new TextField { Id = "tf1W2", X = Pos.Right (lblTf1W2) + 1, Width = Dim.Fill (), Text = "Text1 on Win2" };
var lblTvW2 = new Label { Y = Pos.Bottom (lblTf1W2) + 1, Text = "Enter text in TextView on Win2:" };
var tvW2 = new TextView
{
Id = "tvW2",
X = Pos.Left (tf1W2), Width = Dim.Fill (), Height = 2, Text = "First line Win1\nSecond line Win2"
};
var lblTf2W2 = new Label { Y = Pos.Bottom (lblTvW2) + 1, Text = "Enter text in TextField on Win2:" };
var tf2W2 = new TextField { Id = "tf2W2", X = Pos.Left (tf1W2), Width = Dim.Fill (), Text = "Text2 on Win2" };
win2.Add (lblTf1W2, tf1W2, lblTvW2, tvW2, lblTf2W2, tf2W2);
win1.Closing += (s, e) => isRunning = false;
Assert.Null (top.Focused);
Assert.Equal (top, Application.Current);
Assert.True (top.IsCurrentTop);
Assert.Equal (top, ApplicationOverlapped.OverlappedTop);
Application.Begin (win1);
Assert.Equal (new (0, 0, 40, 25), win1.Frame);
Assert.NotEqual (top, Application.Current);
Assert.False (top.IsCurrentTop);
Assert.Equal (win1, Application.Current);
Assert.True (win1.IsCurrentTop);
Assert.True (ApplicationOverlapped.IsOverlapped(win1));
Assert.Null (top.Focused);
Assert.Null (top.MostFocused);
Assert.Equal (tf1W1, win1.MostFocused);
Assert.True (ApplicationOverlapped.IsOverlapped(win1));
Assert.Single (ApplicationOverlapped.OverlappedChildren!);
Application.Begin (win2);
Assert.Equal (new (0, 0, 40, 25), win2.Frame);
Assert.NotEqual (top, Application.Current);
Assert.False (top.IsCurrentTop);
Assert.Equal (win2, Application.Current);
Assert.True (win2.IsCurrentTop);
Assert.True (ApplicationOverlapped.IsOverlapped(win2));
Assert.Null (top.Focused);
Assert.Null (top.MostFocused);
Assert.Equal (tf1W2, win2.MostFocused);
Assert.Equal (2, ApplicationOverlapped.OverlappedChildren!.Count);
ApplicationOverlapped.MoveToOverlappedChild (win1);
Assert.Equal (win1, Application.Current);
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
win1.Running = true;
Assert.True (Application.OnKeyDown (Application.QuitKey));
Assert.False (isRunning);
Assert.False (win1.Running);
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
// win1 has been closed. It can no longer be focused or acted upon.
// win2 should now have focus
Assert.Equal (win2, Application.Current);
Assert.True (win2.IsCurrentTop);
Assert.Equal (Environment.OSVersion.Platform == PlatformID.Unix, Application.OnKeyDown (Key.Z.WithCtrl)); // suspend
Assert.True (Application.OnKeyDown (Key.F5)); // refresh
Assert.True (win1.IsCurrentTop);
Assert.Equal (tvW1, win1.MostFocused);
Assert.True (Application.OnKeyDown (Key.Tab));
Assert.Equal ($"\tFirst line Win1{Environment.NewLine}Second line Win1", tvW1.Text);
Assert.True (Application.OnKeyDown (Key.Tab.WithShift));
Assert.Equal ($"First line Win1{Environment.NewLine}Second line Win1", tvW1.Text);
Assert.True (Application.OnKeyDown (Key.F6)); // move to win2
Assert.Equal (win2, ApplicationOverlapped.OverlappedChildren [0]);
Assert.True (Application.OnKeyDown (Key.F6.WithShift)); // move back to win1
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tvW1, win1.MostFocused);
Assert.True (Application.OnKeyDown (Key.Tab)); // text view eats tab
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tvW1, win1.MostFocused);
tvW1.AllowsTab = false;
Assert.True (Application.OnKeyDown (Key.Tab)); // text view eats tab
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf2W1, win1.MostFocused);
Assert.True (Application.OnKeyDown (Key.CursorRight));
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf2W1, win1.MostFocused);
Assert.True (Application.OnKeyDown (Key.CursorDown));
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf1W1, win1.MostFocused);
#if UNIX_KEY_BINDINGS
Assert.True (ApplicationOverlapped.OverlappedChildren [0].ProcessKeyDown (new (Key.I.WithCtrl)));
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf2W1, win1.MostFocused);
#endif
Assert.True (Application.OnKeyDown (Key.Tab));
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tvW1, win1.MostFocused);
Assert.True (Application.OnKeyDown (Key.CursorLeft)); // The view to the left of tvW1 is tf2W1, but tvW1 is still focused and eats cursor keys
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tvW1, win1.MostFocused);
Assert.True (Application.OnKeyDown (Key.CursorUp));
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tvW1, win1.MostFocused);
Assert.True (Application.OnKeyDown (Key.Tab));
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf2W1, win1.MostFocused);
Assert.True (Application.OnKeyDown (Key.F6)); // Move to win2
Assert.Equal (win2, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf1W2, win2.MostFocused);
tf2W2.SetFocus ();
Assert.True (tf2W2.HasFocus);
Assert.True (Application.OnKeyDown (Key.F6.WithShift));
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf2W1, win1.MostFocused);
Assert.True (Application.OnKeyDown (Application.NextTabGroupKey));
Assert.Equal (win2, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf2W2, win2.MostFocused);
Assert.True (Application.OnKeyDown (Application.PrevTabGroupKey));
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf2W1, win1.MostFocused);
Assert.True (Application.OnKeyDown (Key.CursorDown));
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf1W1, win1.MostFocused);
#if UNIX_KEY_BINDINGS
Assert.True (Application.OnKeyDown (new (Key.B.WithCtrl)));
#else
Assert.True (Application.OnKeyDown (Key.CursorLeft));
#endif
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf1W1, win1.MostFocused);
Assert.True (Application.OnKeyDown (Key.CursorDown));
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tvW1, win1.MostFocused);
Assert.Equal (Point.Empty, tvW1.CursorPosition);
Assert.True (Application.OnKeyDown (Key.End.WithCtrl));
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tvW1, win1.MostFocused);
Assert.Equal (new (16, 1), tvW1.CursorPosition); // Last position of the text
#if UNIX_KEY_BINDINGS
Assert.True (Application.OnKeyDown (new (Key.F.WithCtrl)));
#else
Assert.True (Application.OnKeyDown (Key.CursorRight)); // should move to next view w/ in Group (tf2W1)
#endif
Assert.Equal (win1, ApplicationOverlapped.OverlappedChildren [0]);
Assert.Equal (tf2W1, win1.MostFocused);
#if UNIX_KEY_BINDINGS
Assert.True (ApplicationOverlapped.OverlappedChildren [0].ProcessKeyDown (new (Key.L.WithCtrl)));
#endif
win2.Dispose ();
win1.Dispose ();
top.Dispose ();
}
[Fact]
public void SetFocusToNextViewWithWrap_ShouldFocusNextView ()
{
// Arrange
var superView = new TestToplevel () { Id = "superView", IsOverlappedContainer = true };
var view1 = new TestView () { Id = "view1" };
var view2 = new TestView () { Id = "view2" };
var view3 = new TestView () { Id = "view3" }; ;
superView.Add (view1, view2, view3);
var current = new TestToplevel () { Id = "current", IsOverlappedContainer = true };
superView.Add (current);
superView.BeginInit ();
superView.EndInit ();
current.SetFocus ();
Application.Current = current;
Assert.True (current.HasFocus);
Assert.Equal (superView.Focused, current);
Assert.Equal (superView.MostFocused, current);
// Act
ApplicationOverlapped.SetFocusToNextViewWithWrap (Application.Current!.SuperView!.Subviews, NavigationDirection.Forward);
// Assert
Assert.True (view1.HasFocus);
}
[Fact]
public void SetFocusToNextViewWithWrap_ShouldNotChangeFocusIfViewsIsNull ()
{
// Arrange
var currentView = new TestToplevel ();
Application.Current = currentView;
// Act
ApplicationOverlapped.SetFocusToNextViewWithWrap (null, NavigationDirection.Forward);
// Assert
Assert.Equal (currentView, Application.Current);
}
[Fact]
public void SetFocusToNextViewWithWrap_ShouldNotChangeFocusIfCurrentViewNotFound ()
{
// Arrange
var view1 = new TestToplevel ();
var view2 = new TestToplevel ();
var view3 = new TestToplevel ();
var views = new List<View> { view1, view2, view3 };
var currentView = new TestToplevel () { IsOverlappedContainer = true }; // Current view is not in the list
Application.Current = currentView;
// Act
ApplicationOverlapped.SetFocusToNextViewWithWrap (views, NavigationDirection.Forward);
// Assert
Assert.False (view1.IsFocused);
Assert.False (view2.IsFocused);
Assert.False (view3.IsFocused);
}
private class TestToplevel : Toplevel
{
public bool IsFocused { get; private set; }
protected override void OnHasFocusChanged (bool newHasFocus, View? previousFocusedView, View? focusedVew)
{
IsFocused = newHasFocus;
}
}
private class TestView : View
{
public TestView ()
{
CanFocus = true;
}
public bool IsFocused { get; private set; }
protected override void OnHasFocusChanged (bool newHasFocus, View? previousFocusedView, View? focusedVew)
{
IsFocused = newHasFocus;
}
}
}