mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-27 00:07:58 +01:00
e192b5622d
The refactor includes: - Modifying method signatures in classes like `AnimationScenario`, `Images`, `DrawingArea`, `AttributeView`, `Snake`, and others. - Removing the parameterless `OnDrawingContent` method from the `View` class. - Updating calls to the base class implementation to pass the `context` parameter. - Adjusting comments and documentation to reflect the new method signature. This change ensures consistency and prepares the codebase for more advanced drawing capabilities.
964 lines
32 KiB
C#
964 lines
32 KiB
C#
#nullable enable
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using System.Text;
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using UnitTests;
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using Xunit.Abstractions;
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namespace UnitTests.ViewBaseTests;
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[Trait ("Category", "Output")]
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public class DrawTests (ITestOutputHelper output)
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{
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[Fact]
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[AutoInitShutdown]
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[Trait ("Category", "Unicode")]
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public void CJK_Compatibility_Ideographs_ConsoleWidth_ColumnWidth_Equal_Two ()
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{
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const string s = "\U0000f900";
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var r = (Rune)0xf900;
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Assert.Equal ("豈", s);
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Assert.Equal ("豈", r.ToString ());
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Assert.Equal (s, r.ToString ());
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Assert.Equal (2, s.GetColumns ());
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Assert.Equal (2, r.GetColumns ());
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var win = new Window { Title = s };
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var view = new View { Text = r.ToString (), Height = Dim.Fill (), Width = Dim.Fill () };
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var tf = new TextField { Text = s, Y = 1, Width = 3 };
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win.Add (view, tf);
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Runnable top = new ();
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top.Add (win);
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Application.Begin (top);
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Application.Driver!.SetScreenSize (10, 4);
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Application.LayoutAndDraw ();
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const string expectedOutput = """
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┌┤豈├────┐
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│豈 │
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│豈 │
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└────────┘
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""";
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DriverAssert.AssertDriverContentsWithFrameAre (expectedOutput, output);
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DriverAssert.AssertDriverContentsAre (expectedOutput, output);
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// This test has nothing to do with color - removing as it is not relevant and fragile
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top.Dispose ();
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}
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[Fact]
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[AutoInitShutdown]
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[Trait ("Category", "Output")]
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public void Colors_On_TextAlignment_Right_And_Bottom ()
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{
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var viewRight = new View
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{
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Text = "Test",
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Width = 6,
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Height = 1,
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TextAlignment = Alignment.End,
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};
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var viewBottom = new View
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{
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Text = "Test",
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TextDirection = TextDirection.TopBottom_LeftRight,
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Y = 1,
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Width = 1,
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Height = 6,
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VerticalTextAlignment = Alignment.End,
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};
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Runnable top = new ();
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top.Add (viewRight, viewBottom);
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var rs = Application.Begin (top);
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Application.Driver!.SetScreenSize (7, 7);
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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Test
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T
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e
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s
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t
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""",
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output
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);
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DriverAssert.AssertDriverAttributesAre (
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"""
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000000
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0
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0
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0
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0
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0
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0
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""",
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output,
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Application.Driver,
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SchemeManager.GetSchemes () ["Base"]!.Normal
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);
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top.Dispose ();
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}
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[Fact]
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[SetupFakeApplication]
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public void Draw_Minimum_Full_Border_With_Empty_Viewport ()
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{
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var view = new View
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{
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App = ApplicationImpl.Instance,
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Width = 2, Height = 2, BorderStyle = LineStyle.Single
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};
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Assert.True (view.NeedsLayout);
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Assert.True (view.NeedsDraw);
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view.Layout ();
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Assert.Equal (new (0, 0, 2, 2), view.Frame);
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Assert.Equal (Rectangle.Empty, view.Viewport);
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Assert.True (view.NeedsDraw);
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view.Draw ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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┌┐
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└┘
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""",
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output
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);
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}
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[Fact]
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[SetupFakeApplication]
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public void Draw_Minimum_Full_Border_With_Empty_Viewport_Without_Bottom ()
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{
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var view = new View
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{
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App = ApplicationImpl.Instance,
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Width = 2, Height = 1, BorderStyle = LineStyle.Single
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};
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view.Border!.Thickness = new (1, 1, 1, 0);
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view.BeginInit ();
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view.EndInit ();
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view.SetRelativeLayout (Application.Screen.Size);
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Assert.Equal (new (0, 0, 2, 1), view.Frame);
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Assert.Equal (Rectangle.Empty, view.Viewport);
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view.Draw ();
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DriverAssert.AssertDriverContentsWithFrameAre ("──", output);
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}
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[Fact]
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[SetupFakeApplication]
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public void Draw_Minimum_Full_Border_With_Empty_Viewport_Without_Left ()
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{
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var view = new View
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{
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App = ApplicationImpl.Instance,
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Width = 1, Height = 2, BorderStyle = LineStyle.Single
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};
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view.Border!.Thickness = new (0, 1, 1, 1);
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view.BeginInit ();
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view.EndInit ();
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view.SetRelativeLayout (Application.Screen.Size);
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Assert.Equal (new (0, 0, 1, 2), view.Frame);
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Assert.Equal (Rectangle.Empty, view.Viewport);
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view.Draw ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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│
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│
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""",
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output
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);
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}
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[Fact]
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[SetupFakeApplication]
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public void Draw_Minimum_Full_Border_With_Empty_Viewport_Without_Right ()
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{
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var view = new View
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{
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App = ApplicationImpl.Instance,
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Width = 1, Height = 2, BorderStyle = LineStyle.Single
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};
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view.Border!.Thickness = new (1, 1, 0, 1);
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view.BeginInit ();
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view.EndInit ();
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view.SetRelativeLayout (Application.Screen.Size);
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Assert.Equal (new (0, 0, 1, 2), view.Frame);
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Assert.Equal (Rectangle.Empty, view.Viewport);
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view.Draw ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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│
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│
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""",
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output
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);
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}
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[Fact]
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[SetupFakeApplication]
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public void Draw_Minimum_Full_Border_With_Empty_Viewport_Without_Top ()
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{
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var view = new View
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{
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App = ApplicationImpl.Instance,
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Width = 2, Height = 1, BorderStyle = LineStyle.Single
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};
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view.Border!.Thickness = new (1, 0, 1, 1);
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view.BeginInit ();
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view.EndInit ();
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view.SetRelativeLayout (Application.Screen.Size);
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Assert.Equal (new (0, 0, 2, 1), view.Frame);
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Assert.Equal (Rectangle.Empty, view.Viewport);
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view.Draw ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"││",
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output
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);
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}
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[Fact]
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[AutoInitShutdown]
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public void Draw_Negative_Viewport_Horizontal_With_New_Lines ()
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{
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var subView = new View
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{
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Id = "subView",
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X = 1,
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Width = 1,
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Height = 7,
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Text = """
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s
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u
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b
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V
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i
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e
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w
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"""
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};
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var view = new View
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{
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Id = "view", Width = 2, Height = 20, Text = """
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0
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1
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2
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3
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4
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5
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6
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7
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8
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9
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0
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1
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2
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3
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4
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5
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6
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7
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8
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9
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"""
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};
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view.Add (subView);
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var content = new View { Id = "content", Width = 20, Height = 20 };
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content.Add (view);
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var container = new View
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{
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Id = "container",
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X = 1,
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Y = 1,
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Width = 5,
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Height = 5
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};
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container.Add (content);
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Runnable top = new ();
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top.Add (container);
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var rs = Application.Begin (top);
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top.Draw ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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0s
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1u
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2b
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3V
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4i
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""",
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output
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);
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content.X = -1;
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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s
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u
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b
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V
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i
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""",
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output
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);
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content.X = -2;
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre (@"", output);
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content.X = 0;
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content.Y = -1;
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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1u
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2b
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3V
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4i
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5e
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""",
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output
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);
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content.Y = -6;
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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6w
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7
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8
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9
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0
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""",
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output
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);
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content.Y = -19;
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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9
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""",
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output
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);
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content.Y = -20;
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre ("", output);
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content.X = -2;
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content.Y = 0;
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre ("", output);
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top.Dispose ();
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}
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[Fact]
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[AutoInitShutdown]
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public void Draw_Negative_Viewport_Horizontal_Without_New_Lines ()
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{
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// BUGBUG: This previously assumed the default height of a View was 1.
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var subView = new View
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{
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Id = "subView",
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Y = 1,
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Width = 7,
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Height = 1,
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Text = "subView"
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};
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var view = new View { Id = "view", Width = 20, Height = 2, Text = "01234567890123456789" };
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view.Add (subView);
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var content = new View { Id = "content", Width = 20, Height = 20 };
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content.Add (view);
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var container = new View
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{
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Id = "container",
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X = 1,
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Y = 1,
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Width = 5,
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Height = 5
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};
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container.Add (content);
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Runnable top = new ();
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top.Add (container);
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// BUGBUG: v2 - it's bogus to reference .Frame before BeginInit. And why is the clip being set anyway???
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top.SubViewsLaidOut += Top_LayoutComplete;
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Application.Begin (top);
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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01234
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subVi
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""",
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output
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);
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content.X = -1;
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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12345
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ubVie
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""",
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output
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);
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content.Y = -1;
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre (
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"""
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ubVie
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""",
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output
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);
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content.Y = -2;
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre ("", output);
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content.X = -20;
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content.Y = 0;
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AutoInitShutdownAttribute.RunIteration ();
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DriverAssert.AssertDriverContentsWithFrameAre ("", output);
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top.Dispose ();
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return;
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void Top_LayoutComplete (object? sender, LayoutEventArgs e) { Application.Driver!.Clip = new (container.Frame); }
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}
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[Fact]
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[AutoInitShutdown]
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public void Draw_Negative_Viewport_Vertical ()
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{
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var subView = new View
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{
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Id = "subView",
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X = 1,
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Width = 1,
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Height = 7,
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Text = "subView",
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TextDirection = TextDirection.TopBottom_LeftRight
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};
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var view = new View
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{
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Id = "view",
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Width = 2,
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Height = 20,
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Text = "01234567890123456789",
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TextDirection = TextDirection.TopBottom_LeftRight
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};
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view.Add (subView);
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var content = new View { Id = "content", Width = 20, Height = 20 };
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content.Add (view);
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var container = new View
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{
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Id = "container",
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X = 1,
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Y = 1,
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Width = 5,
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Height = 5
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};
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container.Add (content);
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Runnable top = new ();
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top.Add (container);
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Application.Begin (top);
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|
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AutoInitShutdownAttribute.RunIteration ();
|
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DriverAssert.AssertDriverContentsWithFrameAre (
|
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"""
|
||
|
||
0s
|
||
1u
|
||
2b
|
||
3V
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4i
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""",
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output
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);
|
||
|
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content.X = -1;
|
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AutoInitShutdownAttribute.RunIteration ();
|
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|
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DriverAssert.AssertDriverContentsWithFrameAre (
|
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"""
|
||
|
||
s
|
||
u
|
||
b
|
||
V
|
||
i
|
||
""",
|
||
output
|
||
);
|
||
|
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content.X = -2;
|
||
AutoInitShutdownAttribute.RunIteration ();
|
||
DriverAssert.AssertDriverContentsWithFrameAre (@"", output);
|
||
|
||
content.X = 0;
|
||
content.Y = -1;
|
||
AutoInitShutdownAttribute.RunIteration ();
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (
|
||
"""
|
||
|
||
1u
|
||
2b
|
||
3V
|
||
4i
|
||
5e
|
||
""",
|
||
output
|
||
);
|
||
|
||
content.Y = -6;
|
||
AutoInitShutdownAttribute.RunIteration ();
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (
|
||
"""
|
||
|
||
6w
|
||
7
|
||
8
|
||
9
|
||
0
|
||
""",
|
||
output
|
||
);
|
||
|
||
content.Y = -19;
|
||
AutoInitShutdownAttribute.RunIteration ();
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (
|
||
"""
|
||
|
||
9
|
||
""",
|
||
output
|
||
);
|
||
|
||
content.Y = -20;
|
||
AutoInitShutdownAttribute.RunIteration ();
|
||
DriverAssert.AssertDriverContentsWithFrameAre ("", output);
|
||
|
||
content.X = -2;
|
||
content.Y = 0;
|
||
AutoInitShutdownAttribute.RunIteration ();
|
||
DriverAssert.AssertDriverContentsWithFrameAre ("", output);
|
||
top.Dispose ();
|
||
}
|
||
|
||
[Theory]
|
||
[SetupFakeApplication]
|
||
[InlineData ("𝔽𝕆𝕆𝔹𝔸R")]
|
||
[InlineData ("a𐐀b")]
|
||
public void DrawHotString_NonBmp (string expected)
|
||
{
|
||
var view = new View
|
||
{
|
||
App = ApplicationImpl.Instance,
|
||
Width = 10, Height = 1
|
||
};
|
||
view.DrawHotString (expected, Attribute.Default, Attribute.Default);
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (expected, output);
|
||
}
|
||
|
||
// TODO: The tests below that use Label should use View instead.
|
||
[Fact]
|
||
[AutoInitShutdown]
|
||
public void Non_Bmp_ConsoleWidth_ColumnWidth_Equal_Two ()
|
||
{
|
||
var us = "\U0001d539";
|
||
var r = (Rune)0x1d539;
|
||
|
||
Assert.Equal ("𝔹", us);
|
||
Assert.Equal ("𝔹", r.ToString ());
|
||
Assert.Equal (us, r.ToString ());
|
||
|
||
Assert.Equal (1, us.GetColumns ());
|
||
Assert.Equal (1, r.GetColumns ());
|
||
|
||
var win = new Window { Title = us };
|
||
var view = new Label { Text = r.ToString () };
|
||
var tf = new TextField { Text = us, Y = 1, Width = 3 };
|
||
win.Add (view, tf);
|
||
Runnable top = new ();
|
||
top.Add (win);
|
||
|
||
Application.Begin (top);
|
||
Application.Driver!.SetScreenSize (10, 4);
|
||
Application.LayoutAndDraw ();
|
||
|
||
var expected = """
|
||
|
||
┌┤𝔹├─────┐
|
||
│𝔹 │
|
||
│𝔹 │
|
||
└────────┘
|
||
""";
|
||
DriverAssert.AssertDriverContentsWithFrameAre (expected, output);
|
||
|
||
DriverAssert.AssertDriverContentsAre (expected, output);
|
||
top.Dispose ();
|
||
|
||
// This test has nothing to do with color - removing as it is not relevant and fragile
|
||
}
|
||
|
||
[Fact]
|
||
[AutoInitShutdown]
|
||
public void Draw_Throws_IndexOutOfRangeException_With_Negative_Bounds ()
|
||
{
|
||
Runnable top = new ();
|
||
|
||
var view = new View { X = -2, Text = "view" };
|
||
top.Add (view);
|
||
|
||
Application.Iteration += OnApplicationOnIteration;
|
||
|
||
try
|
||
{
|
||
Application.Run (top);
|
||
}
|
||
catch (IndexOutOfRangeException ex)
|
||
{
|
||
// After the fix this exception will not be caught.
|
||
Assert.IsType<IndexOutOfRangeException> (ex);
|
||
}
|
||
finally
|
||
{
|
||
Application.Iteration -= OnApplicationOnIteration;
|
||
}
|
||
|
||
top.Dispose ();
|
||
|
||
// Shutdown must be called to safely clean up Application if Init has been called
|
||
Application.Shutdown ();
|
||
|
||
return;
|
||
|
||
void OnApplicationOnIteration (object? s, EventArgs<IApplication?> a)
|
||
{
|
||
Assert.Equal (-2, view.X);
|
||
|
||
Application.RequestStop ();
|
||
}
|
||
}
|
||
|
||
|
||
[Fact]
|
||
[AutoInitShutdown]
|
||
public void Correct_Redraw_Viewport_NeedDisplay_On_Shrink_And_Move_Down_Right_Using_Frame ()
|
||
{
|
||
var label = new Label { Text = "At 0,0" };
|
||
|
||
var view = new DerivedView
|
||
{
|
||
X = 2,
|
||
Y = 2,
|
||
Width = 30,
|
||
Height = 2,
|
||
Text = "A text with some long width\n and also with two lines."
|
||
};
|
||
Runnable top = new ();
|
||
top.Add (label, view);
|
||
SessionToken sessionToken = Application.Begin (top);
|
||
AutoInitShutdownAttribute.RunIteration ();
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (
|
||
@"
|
||
At 0,0
|
||
|
||
A text with some long width
|
||
and also with two lines. "
|
||
,
|
||
output
|
||
);
|
||
|
||
view.Frame = new (3, 3, 10, 1);
|
||
Assert.Equal (new (3, 3, 10, 1), view.Frame);
|
||
Assert.Equal (new (0, 0, 10, 1), view.Viewport);
|
||
Assert.Equal (new (0, 0, 10, 1), view.NeedsDrawRect);
|
||
//Application.Refresh();
|
||
top.Draw ();
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (
|
||
@"
|
||
At 0,0
|
||
|
||
|
||
A text wit",
|
||
output
|
||
);
|
||
Application.End (sessionToken);
|
||
top.Dispose ();
|
||
}
|
||
|
||
[Fact]
|
||
[AutoInitShutdown]
|
||
public void Correct_Redraw_Viewport_NeedDisplay_On_Shrink_And_Move_Down_Right_Using_Pos_Dim ()
|
||
{
|
||
var label = new Label { Text = "At 0,0" };
|
||
|
||
var view = new DerivedView
|
||
{
|
||
X = 2,
|
||
Y = 2,
|
||
Width = 30,
|
||
Height = 2,
|
||
Text = "A text with some long width\n and also with two lines."
|
||
};
|
||
Runnable top = new ();
|
||
top.Add (label, view);
|
||
SessionToken sessionToken = Application.Begin (top);
|
||
|
||
top.Draw ();
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (
|
||
@"
|
||
At 0,0
|
||
|
||
A text with some long width
|
||
and also with two lines. "
|
||
,
|
||
output
|
||
);
|
||
|
||
view.X = 3;
|
||
view.Y = 3;
|
||
view.Width = 10;
|
||
view.Height = 1;
|
||
Assert.Equal (new (3, 3, 10, 1), view.Frame);
|
||
Assert.Equal (new (0, 0, 10, 1), view.Viewport);
|
||
Assert.Equal (new (0, 0, 10, 1), view.NeedsDrawRect);
|
||
view.SetClipToScreen ();
|
||
top.Draw ();
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (
|
||
@"
|
||
At 0,0
|
||
|
||
|
||
A text wit"
|
||
,
|
||
output
|
||
);
|
||
Application.End (sessionToken);
|
||
top.Dispose ();
|
||
}
|
||
|
||
[Fact]
|
||
[AutoInitShutdown]
|
||
public void Correct_Redraw_Viewport_NeedDisplay_On_Shrink_And_Move_Up_Left_Using_Frame ()
|
||
{
|
||
var label = new Label { Text = "At 0,0" };
|
||
|
||
var view = new DerivedView
|
||
{
|
||
X = 2,
|
||
Y = 2,
|
||
Width = 30,
|
||
Height = 2,
|
||
Text = "A text with some long width\n and also with two lines."
|
||
};
|
||
Runnable top = new ();
|
||
top.Add (label, view);
|
||
SessionToken sessionToken = Application.Begin (top);
|
||
AutoInitShutdownAttribute.RunIteration ();
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (
|
||
@"
|
||
At 0,0
|
||
|
||
A text with some long width
|
||
and also with two lines. "
|
||
,
|
||
output
|
||
);
|
||
|
||
view.Frame = new (1, 1, 10, 1);
|
||
Assert.Equal (new (1, 1, 10, 1), view.Frame);
|
||
Assert.Equal (new (0, 0, 10, 1), view.Viewport);
|
||
Assert.Equal (new (0, 0, 10, 1), view.NeedsDrawRect);
|
||
top.Draw ();
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (
|
||
@"
|
||
At 0,0
|
||
A text wit"
|
||
,
|
||
output
|
||
);
|
||
Application.End (sessionToken);
|
||
top.Dispose ();
|
||
}
|
||
|
||
[Fact]
|
||
[AutoInitShutdown]
|
||
public void Correct_Redraw_Viewport_NeedDisplay_On_Shrink_And_Move_Up_Left_Using_Pos_Dim ()
|
||
{
|
||
var label = new Label { Text = "At 0,0" };
|
||
|
||
var view = new DerivedView
|
||
{
|
||
X = 2,
|
||
Y = 2,
|
||
Width = 30,
|
||
Height = 2,
|
||
Text = "A text with some long width\n and also with two lines."
|
||
};
|
||
Runnable top = new ();
|
||
top.Add (label, view);
|
||
SessionToken sessionToken = Application.Begin (top);
|
||
|
||
top.Draw ();
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (
|
||
@"
|
||
At 0,0
|
||
|
||
A text with some long width
|
||
and also with two lines. "
|
||
,
|
||
output
|
||
);
|
||
|
||
view.X = 1;
|
||
view.Y = 1;
|
||
view.Width = 10;
|
||
view.Height = 1;
|
||
Assert.Equal (new (1, 1, 10, 1), view.Frame);
|
||
Assert.Equal (new (0, 0, 10, 1), view.Viewport);
|
||
Assert.Equal (new (0, 0, 10, 1), view.NeedsDrawRect);
|
||
view.SetClipToScreen ();
|
||
|
||
top.Draw ();
|
||
|
||
DriverAssert.AssertDriverContentsWithFrameAre (
|
||
@"
|
||
At 0,0
|
||
A text wit"
|
||
,
|
||
output
|
||
);
|
||
Application.End (sessionToken);
|
||
top.Dispose ();
|
||
}
|
||
public class DerivedView : View
|
||
{
|
||
public DerivedView () { CanFocus = true; }
|
||
public bool IsKeyDown { get; set; }
|
||
public bool IsKeyPress { get; set; }
|
||
public bool IsKeyUp { get; set; }
|
||
public override string Text { get; set; } = null!;
|
||
|
||
protected override bool OnDrawingContent (DrawContext? context)
|
||
{
|
||
var idx = 0;
|
||
|
||
// BUGBUG: v2 - this should use Viewport, not Frame
|
||
for (var r = 0; r < Frame.Height; r++)
|
||
{
|
||
for (var c = 0; c < Frame.Width; c++)
|
||
{
|
||
if (idx < Text.Length)
|
||
{
|
||
char rune = Text [idx];
|
||
|
||
if (rune != '\n')
|
||
{
|
||
AddRune (c, r, (Rune)Text [idx]);
|
||
}
|
||
|
||
idx++;
|
||
|
||
if (rune == '\n')
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
ClearNeedsDraw ();
|
||
|
||
return true;
|
||
}
|
||
|
||
protected override bool OnKeyDown (Key keyEvent)
|
||
{
|
||
IsKeyDown = true;
|
||
|
||
return true;
|
||
}
|
||
|
||
public override bool OnKeyUp (Key keyEvent)
|
||
{
|
||
IsKeyUp = true;
|
||
|
||
return true;
|
||
}
|
||
|
||
protected override bool OnKeyDownNotHandled (Key keyEvent)
|
||
{
|
||
IsKeyPress = true;
|
||
|
||
return true;
|
||
}
|
||
}
|
||
}
|