mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-26 15:57:56 +01:00
939 lines
24 KiB
C#
939 lines
24 KiB
C#
using Xunit.Abstractions;
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using static Unix.Terminal.Delegates;
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namespace Terminal.Gui.ViewsTests;
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public class ScrollBarTests (ITestOutputHelper output)
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{
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[Fact]
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public void Constructor_Defaults ()
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{
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var scrollBar = new ScrollBar ();
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Assert.False (scrollBar.CanFocus);
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Assert.Equal (Orientation.Vertical, scrollBar.Orientation);
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Assert.Equal (0, scrollBar.ScrollableContentSize);
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Assert.Equal (0, scrollBar.VisibleContentSize);
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Assert.Equal (0, scrollBar.GetSliderPosition ());
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Assert.Equal (0, scrollBar.Position);
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Assert.True (scrollBar.AutoHide);
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}
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#region AutoHide
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[Fact]
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[AutoInitShutdown]
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public void AutoHide_True_Is_Default_CorrectlyHidesAndShows ()
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{
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var super = new Toplevel ()
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{
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Id = "super",
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Width = 1,
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Height = 20
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};
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var scrollBar = new ScrollBar
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{
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};
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super.Add (scrollBar);
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Assert.True (scrollBar.AutoHide);
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Assert.True (scrollBar.Visible); // Before Init
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RunState rs = Application.Begin (super);
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// Should Show
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scrollBar.ScrollableContentSize = 21;
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Application.RunIteration (ref rs);
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Assert.True (scrollBar.Visible);
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// Should Hide
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scrollBar.ScrollableContentSize = 10;
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Assert.False (scrollBar.Visible);
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super.Dispose ();
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}
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[Fact]
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[AutoInitShutdown]
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public void AutoHide_False_CorrectlyHidesAndShows ()
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{
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var super = new Toplevel ()
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{
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Id = "super",
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Width = 1,
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Height = 20
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};
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var scrollBar = new ScrollBar
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{
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ScrollableContentSize = 20,
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AutoHide = false
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};
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super.Add (scrollBar);
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Assert.False (scrollBar.AutoHide);
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Assert.True (scrollBar.Visible);
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RunState rs = Application.Begin (super);
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// Should Hide if AutoSize = true, but should not hide if AutoSize = false
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scrollBar.ScrollableContentSize = 10;
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Assert.True (scrollBar.Visible);
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super.Dispose ();
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}
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[Fact]
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[AutoInitShutdown]
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public void AutoHide_Change_AutoSize_CorrectlyHidesAndShows ()
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{
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var super = new Toplevel ()
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{
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Id = "super",
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Width = 1,
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Height = 20
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};
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var scrollBar = new ScrollBar
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{
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ScrollableContentSize = 20,
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};
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super.Add (scrollBar);
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Assert.True (scrollBar.AutoHide);
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Assert.True (scrollBar.Visible); // Before Init
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RunState rs = Application.Begin (super);
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Assert.False (scrollBar.Visible);
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Assert.Equal (1, scrollBar.Frame.Width);
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Assert.Equal (20, scrollBar.Frame.Height);
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scrollBar.ScrollableContentSize = 10;
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Application.RunIteration (ref rs);
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Assert.False (scrollBar.Visible);
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scrollBar.ScrollableContentSize = 30;
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Assert.True (scrollBar.Visible);
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scrollBar.AutoHide = false;
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Assert.True (scrollBar.Visible);
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scrollBar.ScrollableContentSize = 10;
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Assert.True (scrollBar.Visible);
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super.Dispose ();
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}
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[Fact]
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[AutoInitShutdown]
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public void AutoHide_Change_Size_CorrectlyHidesAndShows ()
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{
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var super = new Toplevel ()
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{
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Id = "super",
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Width = 1,
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Height = 20
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};
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var scrollBar = new ScrollBar
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{
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ScrollableContentSize = 20,
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};
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super.Add (scrollBar);
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RunState rs = Application.Begin (super);
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Assert.Equal (Orientation.Vertical, scrollBar.Orientation);
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Assert.Equal (20, scrollBar.VisibleContentSize);
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//Assert.True (scrollBar.ShowScrollIndicator);
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Assert.False (scrollBar.Visible);
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Assert.Equal (1, scrollBar.Frame.Width);
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Assert.Equal (20, scrollBar.Frame.Height);
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scrollBar.ScrollableContentSize = 10;
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Application.RunIteration (ref rs);
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//Assert.False (scrollBar.ShowScrollIndicator);
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Assert.False (scrollBar.Visible);
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scrollBar.ScrollableContentSize = 30;
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//Assert.True (scrollBar.ShowScrollIndicator);
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Assert.True (scrollBar.Visible);
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scrollBar.ScrollableContentSize = 10;
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Application.RunIteration (ref rs);
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//Assert.False (scrollBar.ShowScrollIndicator);
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Assert.False (scrollBar.Visible);
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scrollBar.ScrollableContentSize = 21;
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//Assert.True (scrollBar.ShowScrollIndicator);
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Assert.True (scrollBar.Visible);
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scrollBar.AutoHide = false;
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//Assert.True (scrollBar.ShowScrollIndicator);
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Assert.True (scrollBar.Visible);
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scrollBar.ScrollableContentSize = 10;
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//Assert.True (scrollBar.ShowScrollIndicator);
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Assert.True (scrollBar.Visible);
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super.Dispose ();
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}
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#endregion AutoHide
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#region Orientation
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[Fact]
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public void OnOrientationChanged_Keeps_Size ()
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{
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var scroll = new ScrollBar ();
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scroll.Layout ();
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scroll.ScrollableContentSize = 1;
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scroll.Orientation = Orientation.Horizontal;
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Assert.Equal (1, scroll.ScrollableContentSize);
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}
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[Fact]
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public void OnOrientationChanged_Sets_Position_To_0 ()
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{
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View super = new View ()
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{
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Id = "super",
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Width = 10,
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Height = 10
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};
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var scrollBar = new ScrollBar ()
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{
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};
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super.Add (scrollBar);
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scrollBar.Layout ();
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scrollBar.Position = 1;
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scrollBar.Orientation = Orientation.Horizontal;
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Assert.Equal (0, scrollBar.GetSliderPosition ());
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}
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#endregion Orientation
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#region Size
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// TODO: Add tests.
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#endregion Size
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#region Position
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[Fact]
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public void Position_Event_Cancelables ()
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{
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var changingCount = 0;
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var changedCount = 0;
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var scrollBar = new ScrollBar { };
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scrollBar.ScrollableContentSize = 5;
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scrollBar.Frame = new Rectangle (0, 0, 1, 4); // Needs to be at least 4 for slider to move
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scrollBar.PositionChanging += (s, e) =>
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{
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if (changingCount == 0)
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{
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e.Cancel = true;
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}
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changingCount++;
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};
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scrollBar.PositionChanged += (s, e) => changedCount++;
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scrollBar.Position = 1;
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Assert.Equal (0, scrollBar.Position);
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Assert.Equal (1, changingCount);
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Assert.Equal (0, changedCount);
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scrollBar.Position = 1;
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Assert.Equal (1, scrollBar.Position);
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Assert.Equal (2, changingCount);
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Assert.Equal (1, changedCount);
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}
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#endregion Position
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[Fact]
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public void ScrollableContentSize_Cannot_Be_Negative ()
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{
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var scrollBar = new ScrollBar { Height = 10, ScrollableContentSize = -1 };
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Assert.Equal (0, scrollBar.ScrollableContentSize);
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scrollBar.ScrollableContentSize = -10;
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Assert.Equal (0, scrollBar.ScrollableContentSize);
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}
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[Fact]
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public void ScrollableContentSizeChanged_Event ()
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{
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var count = 0;
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var scrollBar = new ScrollBar ();
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scrollBar.ScrollableContentSizeChanged += (s, e) => count++;
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scrollBar.ScrollableContentSize = 10;
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Assert.Equal (10, scrollBar.ScrollableContentSize);
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Assert.Equal (1, count);
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}
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[Theory]
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[SetupFakeDriver]
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#region Draw
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#region Horizontal
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#region Super 10 - ScrollBar 8
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[InlineData (
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10,
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1,
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10,
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-1,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄████████►│
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└──────────┘")]
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[InlineData (
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10,
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1,
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20,
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-1,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄████░░░░►│
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└──────────┘")]
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[InlineData (
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10,
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1,
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20,
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0,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄████░░░░►│
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└──────────┘")]
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[InlineData (
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10,
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1,
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20,
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1,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄████░░░░►│
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└──────────┘")]
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[InlineData (
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10,
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1,
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20,
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2,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄░████░░░►│
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└──────────┘
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")]
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[InlineData (
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10,
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1,
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20,
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3,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄░████░░░►│
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└──────────┘
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")]
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[InlineData (
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10,
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1,
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20,
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4,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄░░████░░►│
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└──────────┘
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")]
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[InlineData (
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10,
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1,
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20,
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5,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄░░████░░►│
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└──────────┘
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")]
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[InlineData (
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10,
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1,
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20,
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6,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄░░████░░►│
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└──────────┘
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")]
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[InlineData (
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10,
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1,
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20,
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7,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄░░░████░►│
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└──────────┘
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")]
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[InlineData (
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10,
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1,
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20,
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8,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄░░░████░►│
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└──────────┘
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")]
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[InlineData (
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10,
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1,
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20,
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9,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄░░░░████►│
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└──────────┘
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")]
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[InlineData (
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10,
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1,
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20,
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10,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄░░░░████►│
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└──────────┘
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")]
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[InlineData (
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10,
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1,
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20,
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19,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄░░░░████►│
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└──────────┘
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")]
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[InlineData (
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10,
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1,
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20,
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20,
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Orientation.Horizontal,
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@"
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┌──────────┐
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│◄░░░░████►│
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└──────────┘
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")]
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#endregion Super 10 - ScrollBar 8
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#region Super 12 - ScrollBar 10
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[InlineData (
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12,
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1,
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10,
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-1,
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Orientation.Horizontal,
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@"
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┌────────────┐
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│◄██████████►│
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└────────────┘")]
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[InlineData (
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12,
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1,
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20,
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-1,
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Orientation.Horizontal,
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@"
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┌────────────┐
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│◄██████░░░░►│
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└────────────┘")]
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[InlineData (
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12,
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1,
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20,
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0,
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Orientation.Horizontal,
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@"
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┌────────────┐
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│◄██████░░░░►│
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└────────────┘")]
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[InlineData (
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12,
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|
1,
|
|
20,
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|
1,
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|
Orientation.Horizontal,
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@"
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┌────────────┐
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│◄██████░░░░►│
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└────────────┘")]
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|
|
|
[InlineData (
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12,
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|
1,
|
|
20,
|
|
2,
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|
Orientation.Horizontal,
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|
@"
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┌────────────┐
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│◄░██████░░░►│
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└────────────┘
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")]
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|
|
|
[InlineData (
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12,
|
|
1,
|
|
20,
|
|
3,
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|
Orientation.Horizontal,
|
|
@"
|
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┌────────────┐
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|
│◄░░██████░░►│
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|
└────────────┘
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")]
|
|
|
|
[InlineData (
|
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12,
|
|
1,
|
|
20,
|
|
4,
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|
Orientation.Horizontal,
|
|
@"
|
|
┌────────────┐
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|
│◄░░██████░░►│
|
|
└────────────┘
|
|
")]
|
|
[InlineData (
|
|
12,
|
|
1,
|
|
20,
|
|
5,
|
|
Orientation.Horizontal,
|
|
@"
|
|
┌────────────┐
|
|
│◄░░██████░░►│
|
|
└────────────┘
|
|
")]
|
|
|
|
[InlineData (
|
|
12,
|
|
1,
|
|
20,
|
|
6,
|
|
Orientation.Horizontal,
|
|
@"
|
|
┌────────────┐
|
|
│◄░░░██████░►│
|
|
└────────────┘
|
|
")]
|
|
|
|
[InlineData (
|
|
12,
|
|
1,
|
|
20,
|
|
7,
|
|
Orientation.Horizontal,
|
|
@"
|
|
┌────────────┐
|
|
│◄░░░░██████►│
|
|
└────────────┘
|
|
")]
|
|
|
|
|
|
[InlineData (
|
|
12,
|
|
1,
|
|
20,
|
|
8,
|
|
Orientation.Horizontal,
|
|
@"
|
|
┌────────────┐
|
|
│◄░░░░██████►│
|
|
└────────────┘
|
|
")]
|
|
|
|
[InlineData (
|
|
12,
|
|
1,
|
|
20,
|
|
9,
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|
Orientation.Horizontal,
|
|
@"
|
|
┌────────────┐
|
|
│◄░░░░██████►│
|
|
└────────────┘
|
|
")]
|
|
|
|
[InlineData (
|
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12,
|
|
1,
|
|
20,
|
|
10,
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|
Orientation.Horizontal,
|
|
@"
|
|
┌────────────┐
|
|
│◄░░░░██████►│
|
|
└────────────┘
|
|
")]
|
|
|
|
|
|
[InlineData (
|
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12,
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|
1,
|
|
20,
|
|
19,
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|
Orientation.Horizontal,
|
|
@"
|
|
┌────────────┐
|
|
│◄░░░░██████►│
|
|
└────────────┘
|
|
")]
|
|
|
|
|
|
[InlineData (
|
|
12,
|
|
1,
|
|
20,
|
|
20,
|
|
Orientation.Horizontal,
|
|
@"
|
|
┌────────────┐
|
|
│◄░░░░██████►│
|
|
└────────────┘
|
|
")]
|
|
#endregion Super 12 - ScrollBar 10
|
|
[InlineData (
|
|
10,
|
|
3,
|
|
20,
|
|
2,
|
|
Orientation.Horizontal,
|
|
@"
|
|
┌──────────┐
|
|
│ ░████░░░ │
|
|
│◄░████░░░►│
|
|
│ ░████░░░ │
|
|
└──────────┘
|
|
")]
|
|
#endregion Horizontal
|
|
|
|
#region Vertical
|
|
|
|
[InlineData (
|
|
1,
|
|
10,
|
|
10,
|
|
-1,
|
|
Orientation.Vertical,
|
|
@"
|
|
┌─┐
|
|
│▲│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│▼│
|
|
└─┘")]
|
|
|
|
[InlineData (
|
|
1,
|
|
10,
|
|
10,
|
|
5,
|
|
Orientation.Vertical,
|
|
@"
|
|
┌─┐
|
|
│▲│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│▼│
|
|
└─┘")]
|
|
|
|
[InlineData (
|
|
1,
|
|
10,
|
|
20,
|
|
5,
|
|
Orientation.Vertical,
|
|
@"
|
|
┌─┐
|
|
│▲│
|
|
│░│
|
|
│░│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│░│
|
|
│░│
|
|
│▼│
|
|
└─┘")]
|
|
|
|
[InlineData (
|
|
1,
|
|
12,
|
|
20,
|
|
5,
|
|
Orientation.Vertical,
|
|
@"
|
|
┌─┐
|
|
│▲│
|
|
│░│
|
|
│░│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│█│
|
|
│░│
|
|
│░│
|
|
│▼│
|
|
└─┘")]
|
|
|
|
[InlineData (
|
|
3,
|
|
10,
|
|
20,
|
|
2,
|
|
Orientation.Vertical,
|
|
@"
|
|
┌───┐
|
|
│ ▲ │
|
|
│░░░│
|
|
│███│
|
|
│███│
|
|
│███│
|
|
│███│
|
|
│░░░│
|
|
│░░░│
|
|
│░░░│
|
|
│ ▼ │
|
|
└───┘
|
|
")]
|
|
#endregion Vertical
|
|
|
|
|
|
public void Draws_Correctly_Default_Settings (int width, int height, int contentSize, int contentPosition, Orientation orientation, string expected)
|
|
{
|
|
var super = new Window
|
|
{
|
|
Id = "super",
|
|
Width = width + 2,
|
|
Height = height + 2,
|
|
};
|
|
|
|
var scrollBar = new ScrollBar
|
|
{
|
|
AutoHide = false,
|
|
Orientation = orientation,
|
|
};
|
|
|
|
if (orientation == Orientation.Vertical)
|
|
{
|
|
super.SetContentSize (new (width, contentSize));
|
|
scrollBar.Width = width;
|
|
}
|
|
else
|
|
{
|
|
super.SetContentSize (new (contentSize, height));
|
|
scrollBar.Height = height;
|
|
}
|
|
super.Add (scrollBar);
|
|
|
|
scrollBar.Position = contentPosition;
|
|
|
|
super.Layout ();
|
|
super.Draw ();
|
|
|
|
_ = TestHelpers.AssertDriverContentsWithFrameAre (expected, output);
|
|
}
|
|
#endregion Draw
|
|
|
|
#region Mouse
|
|
|
|
|
|
|
|
[Theory]
|
|
[CombinatorialData]
|
|
[AutoInitShutdown]
|
|
public void Mouse_Click_DecrementButton_Decrements ([CombinatorialRange (1, 3, 1)] int increment, Orientation orientation)
|
|
{
|
|
var top = new Toplevel ()
|
|
{
|
|
Id = "top",
|
|
Width = 10,
|
|
Height = 10
|
|
};
|
|
var scrollBar = new ScrollBar
|
|
{
|
|
Id = "scrollBar",
|
|
Orientation = orientation,
|
|
ScrollableContentSize = 20,
|
|
Increment = increment
|
|
};
|
|
|
|
top.Add (scrollBar);
|
|
RunState rs = Application.Begin (top);
|
|
|
|
// Scroll to end
|
|
scrollBar.Position = 19;
|
|
Assert.Equal (10, scrollBar.Position);
|
|
Application.RunIteration (ref rs);
|
|
|
|
Assert.Equal (4, scrollBar.GetSliderPosition ());
|
|
Assert.Equal (10, scrollBar.Position);
|
|
int initialPos = scrollBar.Position;
|
|
|
|
Point btnPoint = orientation == Orientation.Vertical
|
|
? new (scrollBar.Frame.X, 0)
|
|
: new (0, scrollBar.Frame.Y);
|
|
|
|
Application.RaiseMouseEvent (new ()
|
|
{
|
|
ScreenPosition = btnPoint,
|
|
Flags = MouseFlags.Button1Clicked
|
|
});
|
|
Application.RaiseMouseEvent (new ()
|
|
{
|
|
ScreenPosition = new (0, 0),
|
|
Flags = MouseFlags.Button1Clicked
|
|
});
|
|
Application.RunIteration (ref rs);
|
|
|
|
Assert.Equal (initialPos - increment, scrollBar.Position);
|
|
|
|
Application.ResetState (true);
|
|
}
|
|
|
|
|
|
[Theory]
|
|
[CombinatorialData]
|
|
[AutoInitShutdown]
|
|
public void Mouse_Click_IncrementButton_Increments ([CombinatorialRange (1, 3, 1)] int increment, Orientation orientation)
|
|
{
|
|
var top = new Toplevel ()
|
|
{
|
|
Id = "top",
|
|
Width = 10,
|
|
Height = 10
|
|
};
|
|
var scrollBar = new ScrollBar
|
|
{
|
|
Id = "scrollBar",
|
|
Orientation = orientation,
|
|
ScrollableContentSize = 20,
|
|
Increment = increment
|
|
};
|
|
|
|
top.Add (scrollBar);
|
|
RunState rs = Application.Begin (top);
|
|
|
|
// Scroll to top
|
|
scrollBar.Position = 0;
|
|
Application.RunIteration (ref rs);
|
|
|
|
Assert.Equal (0, scrollBar.GetSliderPosition ());
|
|
Assert.Equal (0, scrollBar.Position);
|
|
int initialPos = scrollBar.Position;
|
|
|
|
Point btnPoint = orientation == Orientation.Vertical
|
|
? new (scrollBar.Frame.X, scrollBar.Frame.Height - 1)
|
|
: new (scrollBar.Frame.Width - 1, scrollBar.Frame.Y);
|
|
|
|
Application.RaiseMouseEvent (new ()
|
|
{
|
|
ScreenPosition = btnPoint,
|
|
Flags = MouseFlags.Button1Clicked
|
|
});
|
|
Application.RunIteration (ref rs);
|
|
|
|
Assert.Equal (initialPos + increment, scrollBar.Position);
|
|
|
|
Application.ResetState (true);
|
|
}
|
|
#endregion Mouse
|
|
|
|
|
|
|
|
[Fact (Skip = "Disabled - Will put this feature in View")]
|
|
[AutoInitShutdown]
|
|
public void KeepContentInAllViewport_True_False ()
|
|
{
|
|
var view = new View { Width = Dim.Fill (), Height = Dim.Fill () };
|
|
view.Padding.Thickness = new (0, 0, 2, 0);
|
|
view.SetContentSize (new (view.Viewport.Width, 30));
|
|
var scrollBar = new ScrollBar { Width = 2, Height = Dim.Fill (), ScrollableContentSize = view.GetContentSize ().Height };
|
|
scrollBar.SliderPositionChanged += (_, e) => view.Viewport = view.Viewport with { Y = e.CurrentValue };
|
|
view.Padding.Add (scrollBar);
|
|
var top = new Toplevel ();
|
|
top.Add (view);
|
|
Application.Begin (top);
|
|
|
|
Assert.False (scrollBar.KeepContentInAllViewport);
|
|
scrollBar.KeepContentInAllViewport = true;
|
|
Assert.Equal (80, view.Padding.Viewport.Width);
|
|
Assert.Equal (25, view.Padding.Viewport.Height);
|
|
Assert.Equal (2, scrollBar.Viewport.Width);
|
|
Assert.Equal (25, scrollBar.Viewport.Height);
|
|
Assert.Equal (30, scrollBar.ScrollableContentSize);
|
|
|
|
scrollBar.KeepContentInAllViewport = false;
|
|
scrollBar.Position = 50;
|
|
Assert.Equal (scrollBar.GetSliderPosition (), scrollBar.ScrollableContentSize - 1);
|
|
Assert.Equal (scrollBar.GetSliderPosition (), view.Viewport.Y);
|
|
Assert.Equal (29, scrollBar.GetSliderPosition ());
|
|
Assert.Equal (29, view.Viewport.Y);
|
|
|
|
top.Dispose ();
|
|
}
|
|
|
|
}
|