Removed dupe tests

UnitTests/View/Layout/AnchorEndTests.cs

@@ -156,797 +156,4 @@ public class AnchorEndTests (ITestOutputHelper output)
 ";
         _ = TestHelpers.AssertDriverContentsWithFrameAre (expected, output);
     }
-
-    [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, 0);
-        Assert.Equal (20, posViewX.Anchor (0));
-        var posViewY = new Pos.PosView (view, 1);
-        Assert.Equal (10, posViewY.Anchor (0));
-        var posRight = new Pos.PosView (view, 2);
-        Assert.Equal (40, posRight.Anchor (0));
-        var posViewBottom = new Pos.PosView (view, 3);
-        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 ());
-    }
 }