Files
Terminal.Gui/UnitTests/Application/ApplicationTests.cs
Tig 42b9ad1d61 Fixes #2578 - Updates mouse events to be relative to View.Bounds (#2920)
* initial commit

* Clarified RootMouseEvent

* Added application mouse coord tests

* ViewToScreen -> BoundsToScreen

* Simplified View.Move

* Simplified View.Move

* Updated API docs; made some functions private

* more ViewLayout cleanup

* more ViewLayout cleanup

* Added View.ScreenToBounds and low-level coord unit tests

* Partial fix

* Refactored Application.OnMouseEvent... Tests still fail and views are broken

* Added Bounds/FrameToScreen

* Remamed ScreenToView->ScreenToFrame

* All unit tests pass

* Fixed ListView

* Fixed TableView

* Fixed ColorPicker

* Fixed RadioGroup

* Fixed ListView unit tests

* Fixed line drawing scenario

* Updated comment

* fixed api doc typo

* fixed formatting

* added some thickness Contains unit tests

* MouseEvent api doc updates

* More thickness tests

* More thickness tests
2023-11-26 16:58:52 -07:00

983 lines
27 KiB
C#

using System;
using System.Diagnostics;
using System.Linq;
using System.Runtime.InteropServices;
using System.Threading;
using System.Threading.Tasks;
using Xunit;
using Xunit.Abstractions;
// Alias Console to MockConsole so we don't accidentally use Console
using Console = Terminal.Gui.FakeConsole;
namespace Terminal.Gui.ApplicationTests;
public class ApplicationTests {
readonly ITestOutputHelper output;
public ApplicationTests (ITestOutputHelper output)
{
this.output = output;
#if DEBUG_IDISPOSABLE
Responder.Instances.Clear ();
RunState.Instances.Clear ();
#endif
}
void Pre_Init_State ()
{
Assert.Null (Application.Driver);
Assert.Null (Application.Top);
Assert.Null (Application.Current);
Assert.Null (Application.MainLoop);
}
void Post_Init_State ()
{
Assert.NotNull (Application.Driver);
Assert.NotNull (Application.Top);
Assert.NotNull (Application.Current);
Assert.NotNull (Application.MainLoop);
// FakeDriver is always 80x25
Assert.Equal (80, Application.Driver.Cols);
Assert.Equal (25, Application.Driver.Rows);
}
void Init ()
{
Application.Init (new FakeDriver ());
Assert.NotNull (Application.Driver);
Assert.NotNull (Application.MainLoop);
Assert.NotNull (SynchronizationContext.Current);
}
void Shutdown ()
{
Application.Shutdown ();
}
[Fact]
public void Init_Shutdown_Cleans_Up ()
{
// Verify initial state is per spec
//Pre_Init_State ();
Application.Init (new FakeDriver ());
// Verify post-Init state is correct
//Post_Init_State ();
Application.Shutdown ();
// Verify state is back to initial
//Pre_Init_State ();
#if DEBUG_IDISPOSABLE
// Validate there are no outstanding Responder-based instances
// after a scenario was selected to run. This proves the main UI Catalog
// 'app' closed cleanly.
Assert.Empty (Responder.Instances);
#endif
}
[Fact]
public void Init_Unbalanced_Throws ()
{
Application.Init (new FakeDriver ());
Toplevel topLevel = null;
Assert.Throws<InvalidOperationException> (() => Application.InternalInit (() => topLevel = new TestToplevel (), new FakeDriver ()));
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
// Now try the other way
topLevel = null;
Application.InternalInit (() => topLevel = new TestToplevel (), new FakeDriver ());
Assert.Throws<InvalidOperationException> (() => Application.Init (new FakeDriver ()));
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
class TestToplevel : Toplevel {
public TestToplevel ()
{
IsOverlappedContainer = false;
}
}
[Fact]
public void Init_Null_Driver_Should_Pick_A_Driver ()
{
Application.Init (null);
Assert.NotNull (Application.Driver);
Shutdown ();
}
[Fact]
public void Init_Begin_End_Cleans_Up ()
{
Init ();
// Begin will cause Run() to be called, which will call Begin(). Thus will block the tests
// if we don't stop
Application.Iteration += (s, a) => {
Application.RequestStop ();
};
RunState runstate = null;
EventHandler<RunStateEventArgs> NewRunStateFn = (s, e) => {
Assert.NotNull (e.State);
runstate = e.State;
};
Application.NotifyNewRunState += NewRunStateFn;
Toplevel topLevel = new Toplevel ();
var rs = Application.Begin (topLevel);
Assert.NotNull (rs);
Assert.NotNull (runstate);
Assert.Equal (rs, runstate);
Assert.Equal (topLevel, Application.Top);
Assert.Equal (topLevel, Application.Current);
Application.NotifyNewRunState -= NewRunStateFn;
Application.End (runstate);
Assert.Null (Application.Current);
Assert.NotNull (Application.Top);
Assert.NotNull (Application.MainLoop);
Assert.NotNull (Application.Driver);
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void InitWithTopLevelFactory_Begin_End_Cleans_Up ()
{
// Begin will cause Run() to be called, which will call Begin(). Thus will block the tests
// if we don't stop
Application.Iteration += (s, a) => {
Application.RequestStop ();
};
// NOTE: Run<T>, when called after Init has been called behaves differently than
// when called if Init has not been called.
Toplevel topLevel = null;
Application.InternalInit (() => topLevel = new TestToplevel (), new FakeDriver ());
RunState runstate = null;
EventHandler<RunStateEventArgs> NewRunStateFn = (s, e) => {
Assert.NotNull (e.State);
runstate = e.State;
};
Application.NotifyNewRunState += NewRunStateFn;
var rs = Application.Begin (topLevel);
Assert.NotNull (rs);
Assert.NotNull (runstate);
Assert.Equal (rs, runstate);
Assert.Equal (topLevel, Application.Top);
Assert.Equal (topLevel, Application.Current);
Application.NotifyNewRunState -= NewRunStateFn;
Application.End (runstate);
Assert.Null (Application.Current);
Assert.NotNull (Application.Top);
Assert.NotNull (Application.MainLoop);
Assert.NotNull (Application.Driver);
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void Begin_Null_Toplevel_Throws ()
{
// Setup Mock driver
Init ();
// Test null Toplevel
Assert.Throws<ArgumentNullException> (() => Application.Begin (null));
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
#region RunTests
[Fact]
public void Run_T_After_InitWithDriver_with_TopLevel_Throws ()
{
// Setup Mock driver
Init ();
// Run<Toplevel> when already initialized with a Driver will throw (because Toplevel is not dervied from TopLevel)
Assert.Throws<ArgumentException> (() => Application.Run<Toplevel> (errorHandler: null));
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void Run_T_After_InitWithDriver_with_TopLevel_and_Driver_Throws ()
{
// Setup Mock driver
Init ();
// Run<Toplevel> when already initialized with a Driver will throw (because Toplevel is not dervied from TopLevel)
Assert.Throws<ArgumentException> (() => Application.Run<Toplevel> (errorHandler: null, new FakeDriver ()));
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void Run_T_After_InitWithDriver_with_TestTopLevel_DoesNotThrow ()
{
// Setup Mock driver
Init ();
Application.Iteration += (s, a) => {
Application.RequestStop ();
};
// Init has been called and we're passing no driver to Run<TestTopLevel>. This is ok.
Application.Run<TestToplevel> ();
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void Run_T_After_InitNullDriver_with_TestTopLevel_Throws ()
{
Application._forceFakeConsole = true;
Application.Init (null);
Assert.Equal (typeof (FakeDriver), Application.Driver.GetType ());
Application.Iteration += (s, a) => {
Application.RequestStop ();
};
// Init has been called without selecting a driver and we're passing no driver to Run<TestTopLevel>. Bad
Application.Run<TestToplevel> ();
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void Run_T_Init_Driver_Cleared_with_TestTopLevel_Throws ()
{
Init ();
Application.Driver = null;
Application.Iteration += (s, a) => {
Application.RequestStop ();
};
// Init has been called, but Driver has been set to null. Bad.
Assert.Throws<InvalidOperationException> (() => Application.Run<TestToplevel> ());
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void Run_T_NoInit_DoesNotThrow ()
{
Application._forceFakeConsole = true;
Application.Iteration += (s, a) => {
Application.RequestStop ();
};
Application.Run<TestToplevel> ();
Assert.Equal (typeof (FakeDriver), Application.Driver.GetType ());
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void Run_T_NoInit_WithDriver_DoesNotThrow ()
{
Application.Iteration += (s, a) => {
Application.RequestStop ();
};
// Init has NOT been called and we're passing a valid driver to Run<TestTopLevel>. This is ok.
Application.Run<TestToplevel> (errorHandler: null, new FakeDriver ());
Shutdown ();
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void Run_RequestStop_Stops ()
{
// Setup Mock driver
Init ();
var top = new Toplevel ();
var rs = Application.Begin (top);
Assert.NotNull (rs);
Assert.Equal (top, Application.Current);
Application.Iteration += (s, a) => {
Application.RequestStop ();
};
Application.Run (top);
Application.Shutdown ();
Assert.Null (Application.Current);
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void Run_RunningFalse_Stops ()
{
// Setup Mock driver
Init ();
var top = new Toplevel ();
var rs = Application.Begin (top);
Assert.NotNull (rs);
Assert.Equal (top, Application.Current);
Application.Iteration += (s, a) => {
top.Running = false;
};
Application.Run (top);
Application.Shutdown ();
Assert.Null (Application.Current);
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void Run_Loaded_Ready_Unlodaded_Events ()
{
Init ();
var top = Application.Top;
var count = 0;
top.Loaded += (s, e) => count++;
top.Ready += (s, e) => count++;
top.Unloaded += (s, e) => count++;
Application.Iteration += (s, a) => Application.RequestStop ();
Application.Run ();
Application.Shutdown ();
Assert.Equal (3, count);
}
[Fact]
public void Run_Toplevel_With_Modal_View_Does_Not_Refresh_If_Not_Dirty ()
{
Init ();
var count = 0;
Dialog d = null;
var top = Application.Top;
top.DrawContent += (s, a) => count++;
var iteration = -1;
Application.Iteration += (s, a) => {
iteration++;
if (iteration == 0) {
d = new Dialog ();
d.DrawContent += (s, a) => count++;
Application.Run (d);
} else if (iteration < 3) {
Application.OnMouseEvent (new (new () { X = 0, Y = 0, Flags = MouseFlags.ReportMousePosition }));
Assert.False (top.NeedsDisplay);
Assert.False (top.SubViewNeedsDisplay);
Assert.False (top.LayoutNeeded);
Assert.False (d.NeedsDisplay);
Assert.False (d.SubViewNeedsDisplay);
Assert.False (d.LayoutNeeded);
} else {
Application.RequestStop ();
}
};
Application.Run ();
Application.Shutdown ();
// 1 - First top load, 1 - Dialog load, 1 - Dialog unload, Total - 3.
Assert.Equal (3, count);
}
[Fact]
public void Run_A_Modal_Toplevel_Refresh_Background_On_Moving ()
{
Init ();
var d = new Dialog () { Width = 5, Height = 5 };
((FakeDriver)Application.Driver).SetBufferSize (10, 10);
var rs = Application.Begin (d);
TestHelpers.AssertDriverContentsWithFrameAre (@"
┌───┐
│ │
│ │
│ │
└───┘", output);
var attributes = new Attribute [] {
// 0
new Attribute (ColorName.White, ColorName.Black),
// 1
Colors.Dialog.Normal
};
TestHelpers.AssertDriverColorsAre (@"
0000000000
0000000000
0011111000
0011111000
0011111000
0011111000
0011111000
0000000000
0000000000
0000000000
", null, attributes);
// TODO: In PR #2920 this breaks because the mouse is not grabbed anymore.
// TODO: Move the mouse grap/drag mode from Toplevel to Border.
Application.OnMouseEvent (new MouseEventEventArgs (new MouseEvent () { X = 2, Y = 2, Flags = MouseFlags.Button1Pressed }));
Assert.Equal (d, Application.MouseGrabView);
Application.OnMouseEvent (new MouseEventEventArgs (new MouseEvent () { X = 1, Y = 1, Flags = MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition }));
Application.Refresh ();
TestHelpers.AssertDriverContentsWithFrameAre (@"
┌───┐
│ │
│ │
│ │
└───┘", output);
attributes = new Attribute [] {
// 0
new Attribute (ColorName.White, ColorName.Black),
// 1
Colors.Dialog.Normal
};
TestHelpers.AssertDriverColorsAre (@"
0000000000
0111110000
0111110000
0111110000
0111110000
0111110000
0000000000
0000000000
0000000000
0000000000
", null, attributes);
Application.End (rs);
Application.Shutdown ();
}
// TODO: Add tests for Run that test errorHandler
#endregion
#region ShutdownTests
[Fact]
public async void Shutdown_Allows_Async ()
{
bool isCompletedSuccessfully = false;
async Task TaskWithAsyncContinuation ()
{
await Task.Yield ();
await Task.Yield ();
isCompletedSuccessfully = true;
}
Init ();
Application.Shutdown ();
Assert.False (isCompletedSuccessfully);
await TaskWithAsyncContinuation ();
Thread.Sleep (100);
Assert.True (isCompletedSuccessfully);
}
[Fact]
public void Shutdown_Resets_SyncContext ()
{
Init ();
Application.Shutdown ();
Assert.Null (SynchronizationContext.Current);
}
#endregion
[Fact, AutoInitShutdown]
public void Begin_Sets_Application_Top_To_Console_Size ()
{
Assert.Equal (new Rect (0, 0, 80, 25), Application.Top.Frame);
((FakeDriver)Application.Driver).SetBufferSize (5, 5);
Application.Begin (Application.Top);
Assert.Equal (new Rect (0, 0, 80, 25), Application.Top.Frame);
((FakeDriver)Application.Driver).SetBufferSize (5, 5);
Assert.Equal (new Rect (0, 0, 5, 5), Application.Top.Frame);
}
[Fact]
[AutoInitShutdown]
public void SetCurrentAsTop_Run_A_Not_Modal_Toplevel_Make_It_The_Current_Application_Top ()
{
var t1 = new Toplevel ();
var t2 = new Toplevel ();
var t3 = new Toplevel ();
var d = new Dialog ();
var t4 = new Toplevel ();
// t1, t2, t3, d, t4
var iterations = 5;
t1.Ready += (s, e) => {
Assert.Equal (t1, Application.Top);
Application.Run (t2);
};
t2.Ready += (s, e) => {
Assert.Equal (t2, Application.Top);
Application.Run (t3);
};
t3.Ready += (s, e) => {
Assert.Equal (t3, Application.Top);
Application.Run (d);
};
d.Ready += (s, e) => {
Assert.Equal (t3, Application.Top);
Application.Run (t4);
};
t4.Ready += (s, e) => {
Assert.Equal (t4, Application.Top);
t4.RequestStop ();
d.RequestStop ();
t3.RequestStop ();
t2.RequestStop ();
};
// Now this will close the OverlappedContainer when all OverlappedChildren was closed
t2.Closed += (s, _) => {
t1.RequestStop ();
};
Application.Iteration += (s, a) => {
if (iterations == 5) {
// The Current still is t4 because Current.Running is false.
Assert.Equal (t4, Application.Current);
Assert.False (Application.Current.Running);
Assert.Equal (t4, Application.Top);
} else if (iterations == 4) {
// The Current is d and Current.Running is false.
Assert.Equal (d, Application.Current);
Assert.False (Application.Current.Running);
Assert.Equal (t4, Application.Top);
} else if (iterations == 3) {
// The Current is t3 and Current.Running is false.
Assert.Equal (t3, Application.Current);
Assert.False (Application.Current.Running);
Assert.Equal (t3, Application.Top);
} else if (iterations == 2) {
// The Current is t2 and Current.Running is false.
Assert.Equal (t2, Application.Current);
Assert.False (Application.Current.Running);
Assert.Equal (t2, Application.Top);
} else {
// The Current is t1.
Assert.Equal (t1, Application.Current);
Assert.False (Application.Current.Running);
Assert.Equal (t1, Application.Top);
}
iterations--;
};
Application.Run (t1);
Assert.Equal (t1, Application.Top);
}
[Fact]
[AutoInitShutdown]
public void Internal_Properties_Correct ()
{
Assert.True (Application._initialized);
Assert.NotNull (Application.Top);
var rs = Application.Begin (Application.Top);
Assert.Equal (Application.Top, rs.Toplevel);
Assert.Null (Application.MouseGrabView); // public
Assert.Null (Application.WantContinuousButtonPressedView); // public
Assert.False (Application.MoveToOverlappedChild (Application.Top));
}
#region KeyboardTests
[Fact]
public void KeyUp_Event ()
{
// Setup Mock driver
Init ();
// Setup some fake keypresses (This)
var input = "Tests";
// Put a control-q in at the end
FakeConsole.MockKeyPresses.Push (new ConsoleKeyInfo ('q', ConsoleKey.Q, shift: false, alt: false, control: true));
foreach (var c in input.Reverse ()) {
if (char.IsLetter (c)) {
FakeConsole.MockKeyPresses.Push (new ConsoleKeyInfo (c, (ConsoleKey)char.ToUpper (c), shift: char.IsUpper (c), alt: false, control: false));
} else {
FakeConsole.MockKeyPresses.Push (new ConsoleKeyInfo (c, (ConsoleKey)c, shift: false, alt: false, control: false));
}
}
int stackSize = FakeConsole.MockKeyPresses.Count;
int iterations = 0;
Application.Iteration += (s, a) => {
iterations++;
// Stop if we run out of control...
if (iterations > 10) {
Application.RequestStop ();
}
};
int keyUps = 0;
var output = string.Empty;
Application.Top.KeyUp += (object sender, KeyEventEventArgs args) => {
if (args.KeyEvent.Key != (Key.CtrlMask | Key.Q)) {
output += (char)args.KeyEvent.KeyValue;
}
keyUps++;
};
Application.Run (Application.Top);
// Input string should match output
Assert.Equal (input, output);
// # of key up events should match stack size
//Assert.Equal (stackSize, keyUps);
// We can't use numbers variables on the left side of an Assert.Equal/NotEqual,
// it must be literal (Linux only).
Assert.Equal (6, keyUps);
// # of key up events should match # of iterations
Assert.Equal (stackSize, iterations);
Application.Shutdown ();
Assert.Null (Application.Current);
Assert.Null (Application.Top);
Assert.Null (Application.MainLoop);
Assert.Null (Application.Driver);
}
[Fact]
public void AlternateForwardKey_AlternateBackwardKey_Tests ()
{
Init ();
var top = Application.Top;
var w1 = new Window ();
var v1 = new TextField ();
var v2 = new TextView ();
w1.Add (v1, v2);
var w2 = new Window ();
var v3 = new CheckBox ();
var v4 = new Button ();
w2.Add (v3, v4);
top.Add (w1, w2);
Application.Iteration += (s, a) => {
Assert.True (v1.HasFocus);
// Using default keys.
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.Tab,
new KeyModifiers () { Ctrl = true }));
Assert.True (v2.HasFocus);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.Tab,
new KeyModifiers () { Ctrl = true }));
Assert.True (v3.HasFocus);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.Tab,
new KeyModifiers () { Ctrl = true }));
Assert.True (v4.HasFocus);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.Tab,
new KeyModifiers () { Ctrl = true }));
Assert.True (v1.HasFocus);
top.ProcessKey (new KeyEvent (Key.ShiftMask | Key.CtrlMask | Key.Tab,
new KeyModifiers () { Shift = true, Ctrl = true }));
Assert.True (v4.HasFocus);
top.ProcessKey (new KeyEvent (Key.ShiftMask | Key.CtrlMask | Key.Tab,
new KeyModifiers () { Shift = true, Ctrl = true }));
Assert.True (v3.HasFocus);
top.ProcessKey (new KeyEvent (Key.ShiftMask | Key.CtrlMask | Key.Tab,
new KeyModifiers () { Shift = true, Ctrl = true }));
Assert.True (v2.HasFocus);
top.ProcessKey (new KeyEvent (Key.ShiftMask | Key.CtrlMask | Key.Tab,
new KeyModifiers () { Shift = true, Ctrl = true }));
Assert.True (v1.HasFocus);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.PageDown,
new KeyModifiers () { Ctrl = true }));
Assert.True (v2.HasFocus);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.PageDown,
new KeyModifiers () { Ctrl = true }));
Assert.True (v3.HasFocus);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.PageDown,
new KeyModifiers () { Ctrl = true }));
Assert.True (v4.HasFocus);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.PageDown,
new KeyModifiers () { Ctrl = true }));
Assert.True (v1.HasFocus);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.PageUp,
new KeyModifiers () { Ctrl = true }));
Assert.True (v4.HasFocus);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.PageUp,
new KeyModifiers () { Ctrl = true }));
Assert.True (v3.HasFocus);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.PageUp,
new KeyModifiers () { Ctrl = true }));
Assert.True (v2.HasFocus);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.PageUp,
new KeyModifiers () { Ctrl = true }));
Assert.True (v1.HasFocus);
// Using another's alternate keys.
Application.AlternateForwardKey = Key.F7;
Application.AlternateBackwardKey = Key.F6;
top.ProcessKey (new KeyEvent (Key.F7, new KeyModifiers ()));
Assert.True (v2.HasFocus);
top.ProcessKey (new KeyEvent (Key.F7, new KeyModifiers ()));
Assert.True (v3.HasFocus);
top.ProcessKey (new KeyEvent (Key.F7, new KeyModifiers ()));
Assert.True (v4.HasFocus);
top.ProcessKey (new KeyEvent (Key.F7, new KeyModifiers ()));
Assert.True (v1.HasFocus);
top.ProcessKey (new KeyEvent (Key.F6, new KeyModifiers ()));
Assert.True (v4.HasFocus);
top.ProcessKey (new KeyEvent (Key.F6, new KeyModifiers ()));
Assert.True (v3.HasFocus);
top.ProcessKey (new KeyEvent (Key.F6, new KeyModifiers ()));
Assert.True (v2.HasFocus);
top.ProcessKey (new KeyEvent (Key.F6, new KeyModifiers ()));
Assert.True (v1.HasFocus);
Application.RequestStop ();
};
Application.Run (top);
// Replacing the defaults keys to avoid errors on others unit tests that are using it.
Application.AlternateForwardKey = Key.PageDown | Key.CtrlMask;
Application.AlternateBackwardKey = Key.PageUp | Key.CtrlMask;
Application.QuitKey = Key.Q | Key.CtrlMask;
Assert.Equal (Key.PageDown | Key.CtrlMask, Application.AlternateForwardKey);
Assert.Equal (Key.PageUp | Key.CtrlMask, Application.AlternateBackwardKey);
Assert.Equal (Key.Q | Key.CtrlMask, Application.QuitKey);
// Shutdown must be called to safely clean up Application if Init has been called
Application.Shutdown ();
}
[Fact]
[AutoInitShutdown]
public void QuitKey_Getter_Setter ()
{
var top = Application.Top;
var isQuiting = false;
top.Closing += (s, e) => {
isQuiting = true;
e.Cancel = true;
};
Application.Begin (top);
top.Running = true;
Assert.Equal (Key.Q | Key.CtrlMask, Application.QuitKey);
Application.Driver.SendKeys ('q', ConsoleKey.Q, false, false, true);
Assert.True (isQuiting);
isQuiting = false;
Application.QuitKey = Key.C | Key.CtrlMask;
Application.Driver.SendKeys ('q', ConsoleKey.Q, false, false, true);
Assert.False (isQuiting);
Application.Driver.SendKeys ('c', ConsoleKey.C, false, false, true);
Assert.True (isQuiting);
// Reset the QuitKey to avoid throws errors on another tests
Application.QuitKey = Key.Q | Key.CtrlMask;
}
[Fact]
[AutoInitShutdown]
public void EnsuresTopOnFront_CanFocus_True_By_Keyboard_And_Mouse ()
{
var top = Application.Top;
var win = new Window () { Title = "win", X = 0, Y = 0, Width = 20, Height = 10 };
var tf = new TextField () { Width = 10 };
win.Add (tf);
var win2 = new Window () { Title = "win2", X = 22, Y = 0, Width = 20, Height = 10 };
var tf2 = new TextField () { Width = 10 };
win2.Add (tf2);
top.Add (win, win2);
Application.Begin (top);
Assert.True (win.CanFocus);
Assert.True (win.HasFocus);
Assert.True (win2.CanFocus);
Assert.False (win2.HasFocus);
Assert.Equal ("win2", ((Window)top.Subviews [top.Subviews.Count - 1]).Title);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.Tab, new KeyModifiers ()));
Assert.True (win.CanFocus);
Assert.False (win.HasFocus);
Assert.True (win2.CanFocus);
Assert.True (win2.HasFocus);
Assert.Equal ("win2", ((Window)top.Subviews [top.Subviews.Count - 1]).Title);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.Tab, new KeyModifiers ()));
Assert.True (win.CanFocus);
Assert.True (win.HasFocus);
Assert.True (win2.CanFocus);
Assert.False (win2.HasFocus);
Assert.Equal ("win", ((Window)top.Subviews [top.Subviews.Count - 1]).Title);
win2.MouseEvent (new MouseEvent () { Flags = MouseFlags.Button1Pressed });
Assert.True (win.CanFocus);
Assert.False (win.HasFocus);
Assert.True (win2.CanFocus);
Assert.True (win2.HasFocus);
Assert.Equal ("win2", ((Window)top.Subviews [top.Subviews.Count - 1]).Title);
win2.MouseEvent (new MouseEvent () { Flags = MouseFlags.Button1Released });
Assert.Null (Toplevel._dragPosition);
}
[Fact]
[AutoInitShutdown]
public void EnsuresTopOnFront_CanFocus_False_By_Keyboard_And_Mouse ()
{
var top = Application.Top;
var win = new Window () { Title = "win", X = 0, Y = 0, Width = 20, Height = 10 };
var tf = new TextField () { Width = 10 };
win.Add (tf);
var win2 = new Window () { Title = "win2", X = 22, Y = 0, Width = 20, Height = 10 };
var tf2 = new TextField () { Width = 10 };
win2.Add (tf2);
top.Add (win, win2);
Application.Begin (top);
Assert.True (win.CanFocus);
Assert.True (win.HasFocus);
Assert.True (win2.CanFocus);
Assert.False (win2.HasFocus);
Assert.Equal ("win2", ((Window)top.Subviews [top.Subviews.Count - 1]).Title);
win.CanFocus = false;
Assert.False (win.CanFocus);
Assert.False (win.HasFocus);
Assert.True (win2.CanFocus);
Assert.True (win2.HasFocus);
Assert.Equal ("win2", ((Window)top.Subviews [top.Subviews.Count - 1]).Title);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.Tab, new KeyModifiers ()));
Assert.True (win2.CanFocus);
Assert.False (win.HasFocus);
Assert.True (win2.CanFocus);
Assert.True (win2.HasFocus);
Assert.Equal ("win2", ((Window)top.Subviews [top.Subviews.Count - 1]).Title);
top.ProcessKey (new KeyEvent (Key.CtrlMask | Key.Tab, new KeyModifiers ()));
Assert.False (win.CanFocus);
Assert.False (win.HasFocus);
Assert.True (win2.CanFocus);
Assert.True (win2.HasFocus);
Assert.Equal ("win2", ((Window)top.Subviews [top.Subviews.Count - 1]).Title);
win.MouseEvent (new MouseEvent () { Flags = MouseFlags.Button1Pressed });
Assert.False (win.CanFocus);
Assert.False (win.HasFocus);
Assert.True (win2.CanFocus);
Assert.True (win2.HasFocus);
Assert.Equal ("win2", ((Window)top.Subviews [top.Subviews.Count - 1]).Title);
win2.MouseEvent (new MouseEvent () { Flags = MouseFlags.Button1Released });
Assert.Null (Toplevel._dragPosition);
}
#endregion
// Invoke Tests
// TODO: Test with threading scenarios
[Fact]
public void Invoke_Adds_Idle ()
{
Application.Init (new FakeDriver ());
var top = new Toplevel ();
var rs = Application.Begin (top);
bool firstIteration = false;
var actionCalled = 0;
Application.Invoke (() => { actionCalled++; });
Application.RunIteration (ref rs, ref firstIteration);
Assert.Equal (1, actionCalled);
Application.Shutdown ();
}
}