mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-26 15:57:56 +01:00
485 lines
13 KiB
C#
485 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.IO;
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using System.Linq;
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using Terminal.Gui;
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using Xunit;
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// Alais Console to MockConsole so we don't accidentally use Console
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using Console = Terminal.Gui.FakeConsole;
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namespace Terminal.Gui {
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public class ViewTests {
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[Fact]
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public void New_Initializes ()
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{
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// Parameterless
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var r = new View ();
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Assert.NotNull (r);
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Assert.Equal (LayoutStyle.Computed, r.LayoutStyle);
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Assert.Equal ("View()({X=0,Y=0,Width=0,Height=0})", r.ToString ());
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Assert.False (r.CanFocus);
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Assert.False (r.HasFocus);
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Assert.Equal (new Rect (0, 0, 0, 0), r.Bounds);
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Assert.Equal (new Rect (0, 0, 0, 0), r.Frame);
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Assert.Null (r.Focused);
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Assert.Null (r.ColorScheme);
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Assert.Equal (Dim.Sized (0), r.Width);
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Assert.Equal (Dim.Sized (0), r.Height);
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// BUGBUG: Pos needs eqality implemented
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//Assert.Equal (Pos.At (0), r.X);
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//Assert.Equal (Pos.At (0), r.Y);
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Assert.False (r.IsCurrentTop);
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Assert.Empty (r.Id);
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Assert.Empty (r.Subviews);
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Assert.False (r.WantContinuousButtonPressed);
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Assert.False (r.WantMousePositionReports);
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Assert.Null (r.GetEnumerator().Current);
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Assert.Null (r.SuperView);
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Assert.Null (r.MostFocused);
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// Empty Rect
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r = new View (Rect.Empty);
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Assert.NotNull (r);
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Assert.Equal (LayoutStyle.Absolute, r.LayoutStyle);
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Assert.Equal ("View()({X=0,Y=0,Width=0,Height=0})", r.ToString ());
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Assert.False (r.CanFocus);
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Assert.False (r.HasFocus);
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Assert.Equal (new Rect (0, 0, 0, 0), r.Bounds);
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Assert.Equal (new Rect (0, 0, 0, 0), r.Frame);
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Assert.Null (r.Focused);
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Assert.Null (r.ColorScheme);
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Assert.Null (r.Height);
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Assert.Null (r.Height);
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Assert.Null (r.X);
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Assert.Null (r.Y);
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Assert.False (r.IsCurrentTop);
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Assert.Empty (r.Id);
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Assert.Empty (r.Subviews);
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Assert.False (r.WantContinuousButtonPressed);
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Assert.False (r.WantMousePositionReports);
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Assert.Null (r.GetEnumerator ().Current);
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Assert.Null (r.SuperView);
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Assert.Null (r.MostFocused);
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// Rect with values
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r = new View (new Rect(1, 2, 3, 4));
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Assert.NotNull (r);
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Assert.Equal (LayoutStyle.Absolute, r.LayoutStyle);
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Assert.Equal ("View()({X=1,Y=2,Width=3,Height=4})", r.ToString ());
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Assert.False (r.CanFocus);
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Assert.False (r.HasFocus);
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Assert.Equal (new Rect (0, 0, 3, 4), r.Bounds);
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Assert.Equal (new Rect (1, 2, 3, 4), r.Frame);
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Assert.Null (r.Focused);
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Assert.Null (r.ColorScheme);
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Assert.Null (r.Height);
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Assert.Null (r.Height);
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Assert.Null (r.X);
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Assert.Null (r.Y);
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Assert.False (r.IsCurrentTop);
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Assert.Empty (r.Id);
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Assert.Empty (r.Subviews);
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Assert.False (r.WantContinuousButtonPressed);
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Assert.False (r.WantMousePositionReports);
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Assert.Null (r.GetEnumerator ().Current);
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Assert.Null (r.SuperView);
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Assert.Null (r.MostFocused);
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}
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[Fact]
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public void New_Methods_Return_False ()
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{
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var r = new View ();
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Assert.False (r.ProcessKey (new KeyEvent () { Key = Key.Unknown }));
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Assert.False (r.ProcessHotKey (new KeyEvent () { Key = Key.Unknown }));
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Assert.False (r.ProcessColdKey (new KeyEvent () { Key = Key.Unknown }));
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Assert.False (r.OnKeyDown (new KeyEvent () { Key = Key.Unknown }));
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Assert.False (r.OnKeyUp (new KeyEvent () { Key = Key.Unknown }));
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Assert.False (r.MouseEvent (new MouseEvent () { Flags = MouseFlags.AllEvents }));
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Assert.False (r.OnMouseEnter (new MouseEvent () { Flags = MouseFlags.AllEvents }));
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Assert.False (r.OnMouseLeave (new MouseEvent () { Flags = MouseFlags.AllEvents }));
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Assert.False (r.OnEnter (new View ()));
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Assert.False (r.OnLeave (new View ()));
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// TODO: Add more
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}
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[Fact]
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public void TopologicalSort_Missing_Add ()
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{
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var root = new View ();
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var sub1 = new View ();
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root.Add (sub1);
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var sub2 = new View ();
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sub1.Width = Dim.Width(sub2);
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Assert.Throws<InvalidOperationException> (() => root.LayoutSubviews ());
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sub2.Width = Dim.Width (sub1);
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Assert.Throws<InvalidOperationException> (() => root.LayoutSubviews ());
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}
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[Fact]
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public void TopologicalSort_Recursive_Ref ()
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{
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var root = new View ();
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var sub1 = new View ();
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root.Add (sub1);
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var sub2 = new View ();
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root.Add (sub2);
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sub2.Width = Dim.Width (sub2);
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Assert.Throws<InvalidOperationException> (() => root.LayoutSubviews ());
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}
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[Fact]
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public void Subviews_TabIndexes_AreEqual ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true };
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var v2 = new View () { CanFocus = true };
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var v3 = new View () { CanFocus = true };
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r.Add (v1, v2, v3);
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Assert.True (r.Subviews.IndexOf (v1) == 0);
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Assert.True (r.Subviews.IndexOf (v2) == 1);
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Assert.True (r.Subviews.IndexOf (v3) == 2);
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Assert.True (r.TabIndexes.IndexOf (v1) == 0);
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Assert.True (r.TabIndexes.IndexOf (v2) == 1);
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Assert.True (r.TabIndexes.IndexOf (v3) == 2);
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Assert.Equal (r.Subviews.IndexOf (v1), r.TabIndexes.IndexOf (v1));
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Assert.Equal (r.Subviews.IndexOf (v2), r.TabIndexes.IndexOf (v2));
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Assert.Equal (r.Subviews.IndexOf (v3), r.TabIndexes.IndexOf (v3));
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}
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[Fact]
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public void BringSubviewToFront_Subviews_vs_TabIndexes ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true };
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var v2 = new View () { CanFocus = true };
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var v3 = new View () { CanFocus = true };
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r.Add (v1, v2, v3);
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r.BringSubviewToFront (v1);
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Assert.True (r.Subviews.IndexOf (v1) == 2);
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Assert.True (r.Subviews.IndexOf (v2) == 0);
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Assert.True (r.Subviews.IndexOf (v3) == 1);
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Assert.True (r.TabIndexes.IndexOf (v1) == 0);
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Assert.True (r.TabIndexes.IndexOf (v2) == 1);
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Assert.True (r.TabIndexes.IndexOf (v3) == 2);
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}
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[Fact]
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public void BringSubviewForward_Subviews_vs_TabIndexes ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true };
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var v2 = new View () { CanFocus = true };
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var v3 = new View () { CanFocus = true };
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r.Add (v1, v2, v3);
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r.BringSubviewForward (v1);
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Assert.True (r.Subviews.IndexOf (v1) == 1);
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Assert.True (r.Subviews.IndexOf (v2) == 0);
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Assert.True (r.Subviews.IndexOf (v3) == 2);
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Assert.True (r.TabIndexes.IndexOf (v1) == 0);
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Assert.True (r.TabIndexes.IndexOf (v2) == 1);
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Assert.True (r.TabIndexes.IndexOf (v3) == 2);
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}
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[Fact]
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public void SendSubviewToBack_Subviews_vs_TabIndexes ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true };
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var v2 = new View () { CanFocus = true };
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var v3 = new View () { CanFocus = true };
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r.Add (v1, v2, v3);
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r.SendSubviewToBack (v3);
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Assert.True (r.Subviews.IndexOf (v1) == 1);
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Assert.True (r.Subviews.IndexOf (v2) == 2);
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Assert.True (r.Subviews.IndexOf (v3) == 0);
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Assert.True (r.TabIndexes.IndexOf (v1) == 0);
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Assert.True (r.TabIndexes.IndexOf (v2) == 1);
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Assert.True (r.TabIndexes.IndexOf (v3) == 2);
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}
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[Fact]
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public void SendSubviewBackwards_Subviews_vs_TabIndexes ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true };
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var v2 = new View () { CanFocus = true };
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var v3 = new View () { CanFocus = true };
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r.Add (v1, v2, v3);
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r.SendSubviewBackwards (v3);
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Assert.True (r.Subviews.IndexOf (v1) == 0);
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Assert.True (r.Subviews.IndexOf (v2) == 2);
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Assert.True (r.Subviews.IndexOf (v3) == 1);
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Assert.True (r.TabIndexes.IndexOf (v1) == 0);
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Assert.True (r.TabIndexes.IndexOf (v2) == 1);
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Assert.True (r.TabIndexes.IndexOf (v3) == 2);
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}
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[Fact]
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public void TabIndex_Set_CanFocus_ValidValues ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true };
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var v2 = new View () { CanFocus = true };
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var v3 = new View () { CanFocus = true };
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r.Add (v1, v2, v3);
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v1.TabIndex = 1;
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Assert.True (r.Subviews.IndexOf (v1) == 0);
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Assert.True (r.TabIndexes.IndexOf (v1) == 1);
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v1.TabIndex = 2;
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Assert.True (r.Subviews.IndexOf (v1) == 0);
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Assert.True (r.TabIndexes.IndexOf (v1) == 2);
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}
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[Fact]
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public void TabIndex_Set_CanFocus_HigherValues ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true };
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var v2 = new View () { CanFocus = true };
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var v3 = new View () { CanFocus = true };
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r.Add (v1, v2, v3);
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v1.TabIndex = 3;
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Assert.True (r.Subviews.IndexOf (v1) == 0);
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Assert.True (r.TabIndexes.IndexOf (v1) == 2);
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}
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[Fact]
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public void TabIndex_Set_CanFocus_LowerValues ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true };
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var v2 = new View () { CanFocus = true };
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var v3 = new View () { CanFocus = true };
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r.Add (v1, v2, v3);
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v1.TabIndex = -1;
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Assert.True (r.Subviews.IndexOf (v1) == 0);
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Assert.True (r.TabIndexes.IndexOf (v1) == 0);
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}
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[Fact]
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public void TabIndex_Set_CanFocus_False ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true };
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var v2 = new View () { CanFocus = true };
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var v3 = new View () { CanFocus = true };
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r.Add (v1, v2, v3);
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v1.CanFocus = false;
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v1.TabIndex = 0;
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Assert.True (r.Subviews.IndexOf (v1) == 0);
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Assert.True (r.TabIndexes.IndexOf (v1) == 0);
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Assert.Equal (-1, v1.TabIndex);
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}
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[Fact]
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public void TabIndex_Set_CanFocus_False_To_True ()
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{
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var r = new View ();
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var v1 = new View ();
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var v2 = new View () { CanFocus = true };
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var v3 = new View () { CanFocus = true };
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r.Add (v1, v2, v3);
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v1.CanFocus = true;
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v1.TabIndex = 1;
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Assert.True (r.Subviews.IndexOf (v1) == 0);
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Assert.True (r.TabIndexes.IndexOf (v1) == 1);
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}
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[Fact]
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public void TabStop_And_CanFocus_Are_All_True ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true };
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var v2 = new View () { CanFocus = true };
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var v3 = new View () { CanFocus = true };
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r.Add (v1, v2, v3);
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r.FocusNext ();
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Assert.True (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.True (v2.HasFocus);
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Assert.False (v3.HasFocus);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.True (v3.HasFocus);
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}
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[Fact]
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public void TabStop_Are_All_True_And_CanFocus_Are_All_False ()
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{
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var r = new View ();
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var v1 = new View ();
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var v2 = new View ();
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var v3 = new View ();
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r.Add (v1, v2, v3);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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}
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[Fact]
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public void TabStop_Are_All_False_And_CanFocus_Are_All_True ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true, TabStop = false };
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var v2 = new View () { CanFocus = true, TabStop = false };
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var v3 = new View () { CanFocus = true, TabStop = false };
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r.Add (v1, v2, v3);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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}
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[Fact]
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public void TabStop_And_CanFocus_Mixed_And_BothFalse ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true, TabStop = false };
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var v2 = new View () { CanFocus = false, TabStop = true };
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var v3 = new View () { CanFocus = false, TabStop = false };
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r.Add (v1, v2, v3);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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}
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[Fact]
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public void TabStop_All_True_And_Changing_CanFocus_Later ()
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{
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var r = new View ();
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var v1 = new View ();
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var v2 = new View ();
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var v3 = new View ();
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r.Add (v1, v2, v3);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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v1.CanFocus = true;
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r.FocusNext ();
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Assert.True (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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v2.CanFocus = true;
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.True (v2.HasFocus);
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Assert.False (v3.HasFocus);
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v3.CanFocus = true;
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.True (v3.HasFocus);
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}
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[Fact]
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public void TabStop_All_False_And_All_True_And_Changing_TabStop_Later ()
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{
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var r = new View ();
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var v1 = new View () { CanFocus = true, TabStop = false };
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var v2 = new View () { CanFocus = true, TabStop = false };
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var v3 = new View () { CanFocus = true, TabStop = false };
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r.Add (v1, v2, v3);
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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v1.TabStop = true;
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r.FocusNext ();
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Assert.True (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.False (v3.HasFocus);
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v2.TabStop = true;
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.True (v2.HasFocus);
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Assert.False (v3.HasFocus);
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v3.TabStop = true;
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r.FocusNext ();
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Assert.False (v1.HasFocus);
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Assert.False (v2.HasFocus);
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Assert.True (v3.HasFocus);
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}
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}
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}
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