Files
Terminal.Gui/UnitTests/View/Layout/PosTests.cs

858 lines
27 KiB
C#

using Xunit.Abstractions;
using static Terminal.Gui.Dim;
using static Terminal.Gui.Pos;
namespace Terminal.Gui.ViewTests;
public class PosTests (ITestOutputHelper output)
{
[Fact]
public void PosAbsolute_GetLocation_ReturnsExpectedValue ()
{
var posAbsolute = new PosAbsolute (5);
var result = posAbsolute.Calculate (10, new DimAbsolute (2), 1, false);
Assert.Equal (5, result);
}
[Fact]
public void PosAnchorEnd_GetLocation_ReturnsExpectedValue ()
{
var posAnchorEnd = new PosAnchorEnd (5);
var result = posAnchorEnd.Calculate (10, new DimAbsolute (2), 1, false);
Assert.Equal (5, result);
}
[Fact]
public void PosCenter_GetLocation_ReturnsExpectedValue ()
{
var posCenter = new PosCenter ();
var result = posCenter.Calculate (10, new DimAbsolute (2), 1, false);
Assert.Equal (4, result);
}
[Fact]
public void PosCombine_GetLocation_ReturnsExpectedValue ()
{
var posCombine = new PosCombine (true, new PosAbsolute (5), new PosAbsolute (3));
var result = posCombine.Calculate (10, new DimAbsolute (2), 1, false);
Assert.Equal (8, result);
}
[Fact]
public void PosFactor_GetLocation_ReturnsExpectedValue ()
{
var posFactor = new PosFactor (0.5f);
var result = posFactor.Calculate (10, new DimAbsolute (2), 1, false);
Assert.Equal (5, result);
}
[Fact]
public void PosFunc_GetLocation_ReturnsExpectedValue ()
{
var posFunc = new PosFunc (() => 5);
var result = posFunc.Calculate (10, new DimAbsolute (2), 1, false);
Assert.Equal (5, result);
}
[Fact]
public void PosView_GetLocation_ReturnsExpectedValue ()
{
var posView = new PosView (new View { Frame = new Rectangle (5, 5, 10, 10) }, 0);
var result = posView.Calculate (10, new DimAbsolute (2), 1, false);
Assert.Equal (5, result);
}
[Fact]
public void At_Equal ()
{
var n1 = 0;
var n2 = 0;
Pos pos1 = Pos.At (n1);
Pos pos2 = Pos.At (n2);
Assert.Equal (pos1, pos2);
}
[Fact]
public void At_SetsValue ()
{
Pos pos = Pos.At (0);
Assert.Equal ("Absolute(0)", pos.ToString ());
pos = Pos.At (5);
Assert.Equal ("Absolute(5)", pos.ToString ());
pos = Pos.At (-1);
Assert.Equal ("Absolute(-1)", pos.ToString ());
}
[Fact]
public void Center_SetsValue ()
{
Pos pos = Pos.Center ();
Assert.Equal ("Center", pos.ToString ());
}
[Fact]
public void DoNotReturnPosCombine ()
{
var v = new View { Id = "V" };
Pos pos = Pos.Left (v);
Assert.Equal (
$"View(side=x,target=View(V){v.Frame})",
pos.ToString ()
);
pos = Pos.X (v);
Assert.Equal (
$"View(side=x,target=View(V){v.Frame})",
pos.ToString ()
);
pos = Pos.Top (v);
Assert.Equal (
$"View(side=y,target=View(V){v.Frame})",
pos.ToString ()
);
pos = Pos.Y (v);
Assert.Equal (
$"View(side=y,target=View(V){v.Frame})",
pos.ToString ()
);
pos = Pos.Right (v);
Assert.Equal (
$"View(side=right,target=View(V){v.Frame})",
pos.ToString ()
);
pos = Pos.Bottom (v);
Assert.Equal (
$"View(side=bottom,target=View(V){v.Frame})",
pos.ToString ()
);
}
[Fact]
public void Function_Equal ()
{
Func<int> f1 = () => 0;
Func<int> f2 = () => 0;
Pos pos1 = Pos.Function (f1);
Pos pos2 = Pos.Function (f2);
Assert.Equal (pos1, pos2);
f2 = () => 1;
pos2 = Pos.Function (f2);
Assert.NotEqual (pos1, pos2);
}
[Fact]
public void Function_SetsValue ()
{
var text = "Test";
Pos pos = Pos.Function (() => text.Length);
Assert.Equal ("PosFunc(4)", pos.ToString ());
text = "New Test";
Assert.Equal ("PosFunc(8)", pos.ToString ());
text = "";
Assert.Equal ("PosFunc(0)", pos.ToString ());
}
[Fact]
[TestRespondersDisposed]
public void Internal_Tests ()
{
var posFactor = new Pos.PosFactor (0.10F);
Assert.Equal (10, posFactor.Anchor (100));
var posAnchorEnd = new Pos.PosAnchorEnd (1);
Assert.Equal (99, posAnchorEnd.Anchor (100));
var posCenter = new Pos.PosCenter ();
Assert.Equal (50, posCenter.Anchor (100));
var posAbsolute = new Pos.PosAbsolute (10);
Assert.Equal (10, posAbsolute.Anchor (0));
var posCombine = new Pos.PosCombine (true, posFactor, posAbsolute);
Assert.Equal (posCombine._left, posFactor);
Assert.Equal (posCombine._right, posAbsolute);
Assert.Equal (20, posCombine.Anchor (100));
posCombine = new (true, posAbsolute, posFactor);
Assert.Equal (posCombine._left, posAbsolute);
Assert.Equal (posCombine._right, posFactor);
Assert.Equal (20, posCombine.Anchor (100));
var view = new View { Frame = new (20, 10, 20, 1) };
var posViewX = new Pos.PosView (view, Pos.Side.X);
Assert.Equal (20, posViewX.Anchor (0));
var posViewY = new Pos.PosView (view, Pos.Side.Y);
Assert.Equal (10, posViewY.Anchor (0));
var posRight = new Pos.PosView (view, Pos.Side.Right);
Assert.Equal (40, posRight.Anchor (0));
var posViewBottom = new Pos.PosView (view, Pos.Side.Bottom);
Assert.Equal (11, posViewBottom.Anchor (0));
view.Dispose ();
}
// TODO: This actually a SetRelativeLayout/LayoutSubViews test and should be moved
// TODO: A new test that calls SetRelativeLayout directly is needed.
// See: https://github.com/gui-cs/Terminal.Gui/issues/504
[Fact]
[TestRespondersDisposed]
public void LeftTopBottomRight_Win_ShouldNotThrow ()
{
// Setup Fake driver
(Toplevel top, Window win, Button button) setup ()
{
Application.Init (new FakeDriver ());
Application.Iteration += (s, a) => { Application.RequestStop (); };
var win = new Window { X = 0, Y = 0, Width = Dim.Fill (), Height = Dim.Fill () };
var top = new Toplevel ();
top.Add (win);
var button = new Button { X = Pos.Center (), Text = "button" };
win.Add (button);
return (top, win, button);
}
RunState rs;
void cleanup (RunState rs)
{
// Cleanup
Application.End (rs);
Application.Top.Dispose ();
// Shutdown must be called to safely clean up Application if Init has been called
Application.Shutdown ();
}
// Test cases:
(Toplevel top, Window win, Button button) app = setup ();
app.button.Y = Pos.Left (app.win);
rs = Application.Begin (app.top);
// If Application.RunState is used then we must use Application.RunLoop with the rs parameter
Application.RunLoop (rs);
cleanup (rs);
app = setup ();
app.button.Y = Pos.X (app.win);
rs = Application.Begin (app.top);
// If Application.RunState is used then we must use Application.RunLoop with the rs parameter
Application.RunLoop (rs);
cleanup (rs);
app = setup ();
app.button.Y = Pos.Top (app.win);
rs = Application.Begin (app.top);
// If Application.RunState is used then we must use Application.RunLoop with the rs parameter
Application.RunLoop (rs);
cleanup (rs);
app = setup ();
app.button.Y = Pos.Y (app.win);
rs = Application.Begin (app.top);
// If Application.RunState is used then we must use Application.RunLoop with the rs parameter
Application.RunLoop (rs);
cleanup (rs);
app = setup ();
app.button.Y = Pos.Bottom (app.win);
rs = Application.Begin (app.top);
// If Application.RunState is used then we must use Application.RunLoop with the rs parameter
Application.RunLoop (rs);
cleanup (rs);
app = setup ();
app.button.Y = Pos.Right (app.win);
rs = Application.Begin (app.top);
// If Application.RunState is used then we must use Application.RunLoop with the rs parameter
Application.RunLoop (rs);
cleanup (rs);
}
[Fact]
public void New_Works ()
{
var pos = new Pos ();
Assert.Equal ("Terminal.Gui.Pos", pos.ToString ());
}
[Fact]
public void Percent_Equal ()
{
float n1 = 0;
float n2 = 0;
Pos pos1 = Pos.Percent (n1);
Pos pos2 = Pos.Percent (n2);
Assert.Equal (pos1, pos2);
n1 = n2 = 1;
pos1 = Pos.Percent (n1);
pos2 = Pos.Percent (n2);
Assert.Equal (pos1, pos2);
n1 = n2 = 0.5f;
pos1 = Pos.Percent (n1);
pos2 = Pos.Percent (n2);
Assert.Equal (pos1, pos2);
n1 = n2 = 100f;
pos1 = Pos.Percent (n1);
pos2 = Pos.Percent (n2);
Assert.Equal (pos1, pos2);
n1 = 0;
n2 = 1;
pos1 = Pos.Percent (n1);
pos2 = Pos.Percent (n2);
Assert.NotEqual (pos1, pos2);
n1 = 0.5f;
n2 = 1.5f;
pos1 = Pos.Percent (n1);
pos2 = Pos.Percent (n2);
Assert.NotEqual (pos1, pos2);
}
[Fact]
public void Percent_SetsValue ()
{
float f = 0;
Pos pos = Pos.Percent (f);
Assert.Equal ($"Factor({f / 100:0.###})", pos.ToString ());
f = 0.5F;
pos = Pos.Percent (f);
Assert.Equal ($"Factor({f / 100:0.###})", pos.ToString ());
f = 100;
pos = Pos.Percent (f);
Assert.Equal ($"Factor({f / 100:0.###})", pos.ToString ());
}
[Fact]
public void Percent_ThrowsOnIvalid ()
{
Pos pos = Pos.Percent (0);
Assert.Throws<ArgumentException> (() => pos = Pos.Percent (-1));
Assert.Throws<ArgumentException> (() => pos = Pos.Percent (101));
Assert.Throws<ArgumentException> (() => pos = Pos.Percent (100.0001F));
Assert.Throws<ArgumentException> (() => pos = Pos.Percent (1000001));
}
// TODO: This actually a SetRelativeLayout/LayoutSubViews test and should be moved
// TODO: A new test that calls SetRelativeLayout directly is needed.
[Fact]
[TestRespondersDisposed]
public void Pos_Add_Operator ()
{
Application.Init (new FakeDriver ());
Toplevel top = new ();
var view = new View { X = 0, Y = 0, Width = 20, Height = 20 };
var field = new TextField { X = 0, Y = 0, Width = 20 };
var count = 0;
field.KeyDown += (s, k) =>
{
if (k.KeyCode == KeyCode.Enter)
{
field.Text = $"View {count}";
var view2 = new View { X = 0, Y = field.Y, Width = 20, Text = field.Text };
view.Add (view2);
Assert.Equal ($"View {count}", view2.Text);
Assert.Equal ($"Absolute({count})", view2.Y.ToString ());
Assert.Equal ($"Absolute({count})", field.Y.ToString ());
field.Y += 1;
count++;
Assert.Equal ($"Absolute({count})", field.Y.ToString ());
}
};
Application.Iteration += (s, a) =>
{
while (count < 20)
{
field.NewKeyDownEvent (Key.Enter);
}
Application.RequestStop ();
};
var win = new Window ();
win.Add (view);
win.Add (field);
top.Add (win);
Application.Run (top);
Assert.Equal (20, count);
top.Dispose ();
// Shutdown must be called to safely clean up Application if Init has been called
Application.Shutdown ();
}
// TODO: This actually a SetRelativeLayout/LayoutSubViews test and should be moved
// TODO: A new test that calls SetRelativeLayout directly is needed.
[Fact]
[TestRespondersDisposed]
public void Pos_Subtract_Operator ()
{
Application.Init (new FakeDriver ());
Toplevel top = new ();
var view = new View { X = 0, Y = 0, Width = 20, Height = 20 };
var field = new TextField { X = 0, Y = 0, Width = 20 };
var count = 20;
List<View> listViews = new ();
for (var i = 0; i < count; i++)
{
field.Text = $"View {i}";
var view2 = new View { X = 0, Y = field.Y, Width = 20, Text = field.Text };
view.Add (view2);
Assert.Equal ($"View {i}", view2.Text);
Assert.Equal ($"Absolute({i})", field.Y.ToString ());
listViews.Add (view2);
Assert.Equal ($"Absolute({i})", field.Y.ToString ());
field.Y += 1;
Assert.Equal ($"Absolute({i + 1})", field.Y.ToString ());
}
field.KeyDown += (s, k) =>
{
if (k.KeyCode == KeyCode.Enter)
{
Assert.Equal ($"View {count - 1}", listViews [count - 1].Text);
view.Remove (listViews [count - 1]);
listViews [count - 1].Dispose ();
Assert.Equal ($"Absolute({count})", field.Y.ToString ());
field.Y -= 1;
count--;
Assert.Equal ($"Absolute({count})", field.Y.ToString ());
}
};
Application.Iteration += (s, a) =>
{
while (count > 0)
{
field.NewKeyDownEvent (Key.Enter);
}
Application.RequestStop ();
};
var win = new Window ();
win.Add (view);
win.Add (field);
top.Add (win);
Application.Run (top);
Assert.Equal (0, count);
top.Dispose ();
// Shutdown must be called to safely clean up Application if Init has been called
Application.Shutdown ();
}
// TODO: This actually a SetRelativeLayout/LayoutSubViews test and should be moved
// TODO: A new test that calls SetRelativeLayout directly is needed.
[Fact]
public void Pos_Validation_Do_Not_Throws_If_NewValue_Is_PosAbsolute_And_OldValue_Is_Null ()
{
Application.Init (new FakeDriver ());
Toplevel t = new ();
var w = new Window { X = 1, Y = 2, Width = 3, Height = 5 };
t.Add (w);
t.Ready += (s, e) =>
{
Assert.Equal (2, w.X = 2);
Assert.Equal (2, w.Y = 2);
};
Application.Iteration += (s, a) => Application.RequestStop ();
Application.Run (t);
t.Dispose ();
Application.Shutdown ();
}
// TODO: This actually a SetRelativeLayout/LayoutSubViews test and should be moved
// TODO: A new test that calls SetRelativeLayout directly is needed.
[Fact]
public void PosCombine_Referencing_Same_View ()
{
var super = new View { Width = 10, Height = 10, Text = "super" };
var view1 = new View { Width = 2, Height = 2, Text = "view1" };
var view2 = new View { Width = 2, Height = 2, Text = "view2" };
view2.X = Pos.AnchorEnd (0) - (Pos.Right (view2) - Pos.Left (view2));
super.Add (view1, view2);
super.BeginInit ();
super.EndInit ();
Exception exception = Record.Exception (super.LayoutSubviews);
Assert.Null (exception);
Assert.Equal (new (0, 0, 10, 10), super.Frame);
Assert.Equal (new (0, 0, 2, 2), view1.Frame);
Assert.Equal (new (8, 0, 2, 2), view2.Frame);
super.Dispose ();
}
// TODO: This actually a SetRelativeLayout/LayoutSubViews test and should be moved
// TODO: A new test that calls SetRelativeLayout directly is needed.
[Fact]
[TestRespondersDisposed]
public void PosCombine_Will_Throws ()
{
Application.Init (new FakeDriver ());
Toplevel t = new ();
var w = new Window { X = Pos.Left (t) + 2, Y = Pos.Top (t) + 2 };
var f = new FrameView ();
var v1 = new View { X = Pos.Left (w) + 2, Y = Pos.Top (w) + 2 };
var v2 = new View { X = Pos.Left (v1) + 2, Y = Pos.Top (v1) + 2 };
f.Add (v1); // v2 not added
w.Add (f);
t.Add (w);
f.X = Pos.X (v2) - Pos.X (v1);
f.Y = Pos.Y (v2) - Pos.Y (v1);
Assert.Throws<InvalidOperationException> (() => Application.Run (t));
t.Dispose ();
Application.Shutdown ();
v2.Dispose ();
}
// TODO: This actually a SetRelativeLayout/LayoutSubViews test and should be moved
// TODO: A new test that calls SetRelativeLayout directly is needed.
[Theory]
[AutoInitShutdown]
[InlineData (true)]
[InlineData (false)]
public void PosPercentPlusOne (bool testHorizontal)
{
var container = new View { Width = 100, Height = 100 };
var view = new View
{
X = testHorizontal ? Pos.Percent (50) + Pos.Percent (10) + 1 : 1,
Y = testHorizontal ? 1 : Pos.Percent (50) + Pos.Percent (10) + 1,
Width = 10,
Height = 10
};
container.Add (view);
var top = new Toplevel ();
top.Add (container);
top.LayoutSubviews ();
Assert.Equal (100, container.Frame.Width);
Assert.Equal (100, container.Frame.Height);
if (testHorizontal)
{
Assert.Equal (61, view.Frame.X);
Assert.Equal (1, view.Frame.Y);
}
else
{
Assert.Equal (1, view.Frame.X);
Assert.Equal (61, view.Frame.Y);
}
}
// TODO: Test Left, Top, Right bottom Equal
/// <summary>Tests Pos.Left, Pos.X, Pos.Top, Pos.Y, Pos.Right, and Pos.Bottom set operations</summary>
[Fact]
[TestRespondersDisposed]
public void PosSide_SetsValue ()
{
string side; // used in format string
var testRect = Rectangle.Empty;
var testInt = 0;
Pos pos;
// Pos.Left
side = "x";
testInt = 0;
testRect = Rectangle.Empty;
pos = Pos.Left (new ());
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
pos = Pos.Left (new() { Frame = testRect });
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
testRect = new (1, 2, 3, 4);
pos = Pos.Left (new() { Frame = testRect });
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
// Pos.Left(win) + 0
pos = Pos.Left (new() { Frame = testRect }) + testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
testInt = 1;
// Pos.Left(win) +1
pos = Pos.Left (new() { Frame = testRect }) + testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
testInt = -1;
// Pos.Left(win) -1
pos = Pos.Left (new() { Frame = testRect }) - testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
// Pos.X
side = "x";
testInt = 0;
testRect = Rectangle.Empty;
pos = Pos.X (new ());
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
pos = Pos.X (new() { Frame = testRect });
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
testRect = new (1, 2, 3, 4);
pos = Pos.X (new() { Frame = testRect });
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
// Pos.X(win) + 0
pos = Pos.X (new() { Frame = testRect }) + testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
testInt = 1;
// Pos.X(win) +1
pos = Pos.X (new() { Frame = testRect }) + testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
testInt = -1;
// Pos.X(win) -1
pos = Pos.X (new() { Frame = testRect }) - testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
// Pos.Top
side = "y";
testInt = 0;
testRect = Rectangle.Empty;
pos = Pos.Top (new ());
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
pos = Pos.Top (new() { Frame = testRect });
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
testRect = new (1, 2, 3, 4);
pos = Pos.Top (new() { Frame = testRect });
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
// Pos.Top(win) + 0
pos = Pos.Top (new() { Frame = testRect }) + testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
testInt = 1;
// Pos.Top(win) +1
pos = Pos.Top (new() { Frame = testRect }) + testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
testInt = -1;
// Pos.Top(win) -1
pos = Pos.Top (new() { Frame = testRect }) - testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
// Pos.Y
side = "y";
testInt = 0;
testRect = Rectangle.Empty;
pos = Pos.Y (new ());
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
pos = Pos.Y (new() { Frame = testRect });
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
testRect = new (1, 2, 3, 4);
pos = Pos.Y (new() { Frame = testRect });
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
// Pos.Y(win) + 0
pos = Pos.Y (new() { Frame = testRect }) + testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
testInt = 1;
// Pos.Y(win) +1
pos = Pos.Y (new() { Frame = testRect }) + testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
testInt = -1;
// Pos.Y(win) -1
pos = Pos.Y (new() { Frame = testRect }) - testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
// Pos.Bottom
side = "bottom";
testRect = Rectangle.Empty;
testInt = 0;
pos = Pos.Bottom (new ());
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
pos = Pos.Bottom (new() { Frame = testRect });
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
testRect = new (1, 2, 3, 4);
pos = Pos.Bottom (new() { Frame = testRect });
Assert.Equal ($"View(side={side},target=View(){testRect})", pos.ToString ());
// Pos.Bottom(win) + 0
pos = Pos.Bottom (new() { Frame = testRect }) + testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
testInt = 1;
// Pos.Bottom(win) +1
pos = Pos.Bottom (new() { Frame = testRect }) + testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
testInt = -1;
// Pos.Bottom(win) -1
pos = Pos.Bottom (new() { Frame = testRect }) - testInt;
Assert.Equal (
$"Combine(View(side={side},target=View(){testRect}){(testInt < 0 ? '-' : '+')}Absolute({testInt}))",
pos.ToString ()
);
#if DEBUG_IDISPOSABLE
// HACK: Force clean up of Responders to avoid having to Dispose all the Views created above.
Responder.Instances.Clear ();
#endif
}
[Fact]
public void SetSide_Null_Throws ()
{
Pos pos = Pos.Left (null);
Assert.Throws<NullReferenceException> (() => pos.ToString ());
pos = Pos.X (null);
Assert.Throws<NullReferenceException> (() => pos.ToString ());
pos = Pos.Top (null);
Assert.Throws<NullReferenceException> (() => pos.ToString ());
pos = Pos.Y (null);
Assert.Throws<NullReferenceException> (() => pos.ToString ());
pos = Pos.Bottom (null);
Assert.Throws<NullReferenceException> (() => pos.ToString ());
pos = Pos.Right (null);
Assert.Throws<NullReferenceException> (() => pos.ToString ());
}
}