mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-27 16:27:55 +01:00
876 lines
30 KiB
C#
876 lines
30 KiB
C#
#nullable enable
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using System.Text;
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using Xunit.Abstractions;
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namespace Terminal.Gui.ViewTests;
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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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[SetupFakeDriver]
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public void Move_Is_Constrained_To_Viewport ()
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{
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var view = new View
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{
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X = 1,
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Y = 1,
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Width = 3, Height = 3
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};
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view.Margin.Thickness = new Thickness (1);
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// Only valid location w/in Viewport is 0, 0 (view) - 2, 2 (screen)
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view.Move (0, 0);
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Assert.Equal(new Point(2, 2), new Point (Application.Driver.Col, Application.Driver.Row));
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view.Move (-1, -1);
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Assert.Equal (new Point (2, 2), new Point (Application.Driver.Col, Application.Driver.Row));
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view.Move (1, 1);
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Assert.Equal (new Point (2, 2), new Point (Application.Driver.Col, Application.Driver.Row));
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}
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[Fact]
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[SetupFakeDriver]
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public void AddRune_Is_Constrained_To_Viewport ()
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{
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var view = new View
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{
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X = 1,
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Y = 1,
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Width = 3, Height = 3
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};
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view.Margin.Thickness = new Thickness (1);
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View.Diagnostics = ViewDiagnosticFlags.Padding;
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view.BeginInit();
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view.EndInit();
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view.Draw();
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// Only valid location w/in Viewport is 0, 0 (view) - 2, 2 (screen)
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Assert.Equal ((Rune)' ', Application.Driver.Contents [2, 2].Rune);
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view.AddRune(0, 0, Rune.ReplacementChar);
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Assert.Equal (Rune.ReplacementChar, Application.Driver.Contents [2, 2].Rune);
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view.AddRune (-1, -1, Rune.ReplacementChar);
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Assert.Equal ((Rune)'M', Application.Driver.Contents [1, 1].Rune);
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view.AddRune (1, 1, Rune.ReplacementChar);
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Assert.Equal ((Rune)'M', Application.Driver.Contents [3, 3].Rune);
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View.Diagnostics = ViewDiagnosticFlags.Off;
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}
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[Theory]
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[InlineData (0, 0, 1, 1)]
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[InlineData (0, 0, 2, 2)]
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[InlineData (-1, -1, 2, 2)]
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[SetupFakeDriver]
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public void Clear_Clears_Only_Viewport (int x, int y, int width, int height)
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{
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var superView = new View { Width = Dim.Fill (), Height = Dim.Fill () };
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var view = new View
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{
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Text = "X",
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X = 1, Y = 1,
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Width = 3, Height = 3,
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BorderStyle = LineStyle.Single
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};
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superView.Add (view);
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superView.BeginInit ();
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superView.EndInit ();
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superView.LayoutSubviews ();
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superView.Draw ();
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TestHelpers.AssertDriverContentsWithFrameAre (
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@"
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┌─┐
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│X│
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└─┘",
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output);
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Rectangle toClear = new (x, y, width, height);
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view.Clear (toClear);
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TestHelpers.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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// Now try to clear beyond Viewport (invalid)
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superView.SetNeedsDisplay ();
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superView.Draw ();
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TestHelpers.AssertDriverContentsWithFrameAre (
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@"
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┌─┐
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│X│
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└─┘",
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output);
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toClear = new (-width, -height, width, height);
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view.Clear (toClear);
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TestHelpers.AssertDriverContentsWithFrameAre (
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@"
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┌─┐
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│X│
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└─┘",
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output);
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// Now try to clear beyond Viewport (valid)
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superView.SetNeedsDisplay ();
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superView.Draw ();
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TestHelpers.AssertDriverContentsWithFrameAre (
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@"
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┌─┐
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│X│
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└─┘",
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output);
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toClear = new (-1, -1, width + 1, height + 1);
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view.Clear (toClear);
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TestHelpers.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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// Now clear too much size
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superView.SetNeedsDisplay ();
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superView.Draw ();
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TestHelpers.AssertDriverContentsWithFrameAre (
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@"
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┌─┐
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│X│
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└─┘",
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output);
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toClear = new (0, 0, width * 2, height * 2);
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view.Clear (toClear);
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TestHelpers.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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[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 us = "\U0000f900";
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var r = (Rune)0xf900;
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Assert.Equal ("豈", us);
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Assert.Equal ("豈", r.ToString ());
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Assert.Equal (us, r.ToString ());
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Assert.Equal (2, us.GetColumns ());
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Assert.Equal (2, r.GetColumns ());
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var win = new Window { Title = us };
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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 = us, Y = 1, Width = 3 };
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win.Add (view, tf);
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Toplevel top = new ();
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top.Add (win);
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Application.Begin (top);
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((FakeDriver)Application.Driver).SetBufferSize (10, 4);
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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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TestHelpers.AssertDriverContentsWithFrameAre (expectedOutput, output);
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TestHelpers.AssertDriverContentsAre (expectedOutput, output);
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Attribute [] expectedColors =
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{
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// 0
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Colors.ColorSchemes ["Base"].Normal,
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// 1
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Colors.ColorSchemes ["Base"].Focus,
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// 2
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Colors.ColorSchemes ["Base"].HotNormal
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};
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TestHelpers.AssertDriverAttributesAre (
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"""
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0011000000
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0000000000
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0111000000
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0000000000
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""",
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Application.Driver,
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expectedColors
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);
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}
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// TODO: Refactor this test to not depend on TextView etc... Make it as primitive as possible
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[Fact]
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[AutoInitShutdown]
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[Trait ("Category", "Unicode")]
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public void Clipping_AddRune_Left_Or_Right_Replace_Previous_Or_Next_Wide_Rune_With_Space ()
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{
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var tv = new TextView
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{
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Width = Dim.Fill (),
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Height = Dim.Fill (),
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Text = """
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これは広いルーンラインです。
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これは広いルーンラインです。
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これは広いルーンラインです。
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これは広いルーンラインです。
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これは広いルーンラインです。
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これは広いルーンラインです。
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これは広いルーンラインです。
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これは広いルーンラインです。
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"""
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};
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var win = new Window { Width = Dim.Fill (), Height = Dim.Fill () };
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win.Add (tv);
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var top = new Toplevel ();
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top.Add (win);
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// Don't use Label. It sets AutoSize = true which is not what we're testing here.
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var view = new View { Text = "ワイドルーン。", Height = Dim.Fill (), Width = Dim.Fill () };
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// Don't have unit tests use things that aren't absolutely critical for the test, like Dialog
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var dg = new Window { X = 2, Y = 2, Width = 14, Height = 3 };
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dg.Add (view);
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RunState rsTop = Application.Begin (top);
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RunState rsDiag = Application.Begin (dg);
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((FakeDriver)Application.Driver).SetBufferSize (30, 10);
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const string expectedOutput = """
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┌────────────────────────────┐
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│これは広いルーンラインです。│
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│<EFBFBD>┌────────────┐<EFBFBD>ラインです。│
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│<EFBFBD>│ワイドルーン│<EFBFBD>ラインです。│
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│<EFBFBD>└────────────┘<EFBFBD>ラインです。│
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│これは広いルーンラインです。│
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│これは広いルーンラインです。│
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│これは広いルーンラインです。│
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│これは広いルーンラインです。│
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└────────────────────────────┘
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""";
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Rectangle pos = TestHelpers.AssertDriverContentsWithFrameAre (expectedOutput, output);
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Assert.Equal (new Rectangle (0, 0, 30, 10), pos);
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Application.End (rsDiag);
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Application.End (rsTop);
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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 = TextAlignment.Right,
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ColorScheme = Colors.ColorSchemes ["Base"]
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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 = VerticalTextAlignment.Bottom,
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ColorScheme = Colors.ColorSchemes ["Base"]
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};
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Toplevel top = new ();
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top.Add (viewRight, viewBottom);
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Application.Begin (top);
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((FakeDriver)Application.Driver).SetBufferSize (7, 7);
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TestHelpers.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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TestHelpers.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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Application.Driver,
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Colors.ColorSchemes ["Base"].Normal
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);
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}
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[Fact]
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[SetupFakeDriver]
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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 { Width = 2, Height = 2, BorderStyle = LineStyle.Single };
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view.BeginInit ();
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view.EndInit ();
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view.SetRelativeLayout (Application.Driver.Screen.Size);
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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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view.Draw ();
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TestHelpers.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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[SetupFakeDriver]
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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 { Width = 2, Height = 1, BorderStyle = LineStyle.Single };
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view.Border.Thickness = new Thickness (1, 1, 1, 0);
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view.BeginInit ();
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view.EndInit ();
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view.SetRelativeLayout (Application.Driver.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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TestHelpers.AssertDriverContentsWithFrameAre (string.Empty, output);
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}
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[Fact]
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[SetupFakeDriver]
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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 { Width = 1, Height = 2, BorderStyle = LineStyle.Single };
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view.Border.Thickness = new Thickness (0, 1, 1, 1);
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view.BeginInit ();
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view.EndInit ();
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view.SetRelativeLayout (Application.Driver.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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TestHelpers.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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[SetupFakeDriver]
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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 { Width = 1, Height = 2, BorderStyle = LineStyle.Single };
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view.Border.Thickness = new Thickness (1, 1, 0, 1);
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view.BeginInit ();
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view.EndInit ();
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view.SetRelativeLayout (Application.Driver.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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TestHelpers.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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[SetupFakeDriver]
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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 { Width = 2, Height = 1, BorderStyle = LineStyle.Single };
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view.Border.Thickness = new Thickness (1, 0, 1, 1);
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view.BeginInit ();
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view.EndInit ();
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view.SetRelativeLayout (Application.Driver.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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// BUGBUG: Wha? Is this right? Shouldn't it be "└┘"???
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TestHelpers.AssertDriverContentsWithFrameAre (
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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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[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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Toplevel top = new ();
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top.Add (container);
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Application.Driver.Clip = container.Frame;
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Application.Begin (top);
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TestHelpers.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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Application.Refresh ();
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TestHelpers.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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Application.Refresh ();
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TestHelpers.AssertDriverContentsWithFrameAre (@"", output);
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content.X = 0;
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content.Y = -1;
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Application.Refresh ();
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TestHelpers.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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Application.Refresh ();
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TestHelpers.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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Application.Refresh ();
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TestHelpers.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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Application.Refresh ();
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TestHelpers.AssertDriverContentsWithFrameAre ("", output);
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content.X = -2;
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content.Y = 0;
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Application.Refresh ();
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TestHelpers.AssertDriverContentsWithFrameAre ("", output);
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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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{
|
||
// BUGBUG: This previously assumed the default height of a View was 1.
|
||
var subView = new View
|
||
{
|
||
Id = "subView",
|
||
Y = 1,
|
||
Width = 7,
|
||
Height = 1,
|
||
Text = "subView"
|
||
};
|
||
var view = new View { Id = "view", Width = 20, Height = 2, Text = "01234567890123456789" };
|
||
view.Add (subView);
|
||
var content = new View { Id = "content", Width = 20, Height = 20 };
|
||
content.Add (view);
|
||
|
||
var container = new View
|
||
{
|
||
Id = "container",
|
||
X = 1,
|
||
Y = 1,
|
||
Width = 5,
|
||
Height = 5
|
||
};
|
||
container.Add (content);
|
||
Toplevel top = new ();
|
||
top.Add (container);
|
||
|
||
// BUGBUG: v2 - it's bogus to reference .Frame before BeginInit. And why is the clip being set anyway???
|
||
|
||
void Top_LayoutComplete (object sender, LayoutEventArgs e) { Application.Driver.Clip = container.Frame; }
|
||
|
||
top.LayoutComplete += Top_LayoutComplete;
|
||
Application.Begin (top);
|
||
|
||
TestHelpers.AssertDriverContentsWithFrameAre (
|
||
"""
|
||
|
||
01234
|
||
subVi
|
||
""",
|
||
output
|
||
);
|
||
|
||
content.X = -1;
|
||
Application.Refresh ();
|
||
|
||
TestHelpers.AssertDriverContentsWithFrameAre (
|
||
"""
|
||
|
||
12345
|
||
ubVie
|
||
""",
|
||
output
|
||
);
|
||
|
||
content.Y = -1;
|
||
Application.Refresh ();
|
||
|
||
TestHelpers.AssertDriverContentsWithFrameAre (
|
||
"""
|
||
|
||
ubVie
|
||
""",
|
||
output
|
||
);
|
||
|
||
content.Y = -2;
|
||
Application.Refresh ();
|
||
TestHelpers.AssertDriverContentsWithFrameAre ("", output);
|
||
|
||
content.X = -20;
|
||
content.Y = 0;
|
||
Application.Refresh ();
|
||
TestHelpers.AssertDriverContentsWithFrameAre ("", output);
|
||
}
|
||
|
||
[Fact]
|
||
[AutoInitShutdown]
|
||
public void Draw_Negative_Viewport_Vertical ()
|
||
{
|
||
var subView = new View
|
||
{
|
||
Id = "subView",
|
||
X = 1,
|
||
Width = 1,
|
||
Height = 7,
|
||
Text = "subView",
|
||
TextDirection = TextDirection.TopBottom_LeftRight
|
||
};
|
||
|
||
var view = new View
|
||
{
|
||
Id = "view",
|
||
Width = 2,
|
||
Height = 20,
|
||
Text = "01234567890123456789",
|
||
TextDirection = TextDirection.TopBottom_LeftRight
|
||
};
|
||
view.Add (subView);
|
||
var content = new View { Id = "content", Width = 20, Height = 20 };
|
||
content.Add (view);
|
||
|
||
var container = new View
|
||
{
|
||
Id = "container",
|
||
X = 1,
|
||
Y = 1,
|
||
Width = 5,
|
||
Height = 5
|
||
};
|
||
container.Add (content);
|
||
Toplevel top = new ();
|
||
top.Add (container);
|
||
Application.Driver.Clip = container.Frame;
|
||
Application.Begin (top);
|
||
|
||
TestHelpers.AssertDriverContentsWithFrameAre (
|
||
"""
|
||
|
||
0s
|
||
1u
|
||
2b
|
||
3V
|
||
4i
|
||
""",
|
||
output
|
||
);
|
||
|
||
content.X = -1;
|
||
Application.Refresh ();
|
||
|
||
TestHelpers.AssertDriverContentsWithFrameAre (
|
||
"""
|
||
|
||
s
|
||
u
|
||
b
|
||
V
|
||
i
|
||
""",
|
||
output
|
||
);
|
||
|
||
content.X = -2;
|
||
Application.Refresh ();
|
||
TestHelpers.AssertDriverContentsWithFrameAre (@"", output);
|
||
|
||
content.X = 0;
|
||
content.Y = -1;
|
||
Application.Refresh ();
|
||
|
||
TestHelpers.AssertDriverContentsWithFrameAre (
|
||
"""
|
||
|
||
1u
|
||
2b
|
||
3V
|
||
4i
|
||
5e
|
||
""",
|
||
output
|
||
);
|
||
|
||
content.Y = -6;
|
||
Application.Refresh ();
|
||
|
||
TestHelpers.AssertDriverContentsWithFrameAre (
|
||
"""
|
||
|
||
6w
|
||
7
|
||
8
|
||
9
|
||
0
|
||
""",
|
||
output
|
||
);
|
||
|
||
content.Y = -19;
|
||
Application.Refresh ();
|
||
|
||
TestHelpers.AssertDriverContentsWithFrameAre (
|
||
"""
|
||
|
||
9
|
||
""",
|
||
output
|
||
);
|
||
|
||
content.Y = -20;
|
||
Application.Refresh ();
|
||
TestHelpers.AssertDriverContentsWithFrameAre ("", output);
|
||
|
||
content.X = -2;
|
||
content.Y = 0;
|
||
Application.Refresh ();
|
||
TestHelpers.AssertDriverContentsWithFrameAre ("", output);
|
||
}
|
||
|
||
[Theory]
|
||
[SetupFakeDriver]
|
||
[InlineData ("𝔽𝕆𝕆𝔹𝔸R")]
|
||
[InlineData ("a𐐀b")]
|
||
public void DrawHotString_NonBmp (string expected)
|
||
{
|
||
var view = new View { Width = 10, Height = 1 };
|
||
view.DrawHotString (expected, Attribute.Default, Attribute.Default);
|
||
|
||
TestHelpers.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);
|
||
Toplevel top = new ();
|
||
top.Add (win);
|
||
|
||
Application.Begin (top);
|
||
((FakeDriver)Application.Driver).SetBufferSize (10, 4);
|
||
|
||
var expected = """
|
||
|
||
┌┤𝔹├─────┐
|
||
│𝔹 │
|
||
│𝔹 │
|
||
└────────┘
|
||
""";
|
||
TestHelpers.AssertDriverContentsWithFrameAre (expected, output);
|
||
|
||
TestHelpers.AssertDriverContentsAre (expected, output);
|
||
|
||
Attribute [] expectedColors =
|
||
{
|
||
// 0
|
||
Colors.ColorSchemes ["Base"].Normal,
|
||
|
||
// 1
|
||
Colors.ColorSchemes ["Base"].Focus,
|
||
|
||
// 2
|
||
Colors.ColorSchemes ["Base"].HotNormal
|
||
};
|
||
|
||
TestHelpers.AssertDriverAttributesAre (
|
||
"""
|
||
|
||
0010000000
|
||
0000000000
|
||
0111000000
|
||
0000000000
|
||
""",
|
||
Application.Driver,
|
||
expectedColors
|
||
);
|
||
}
|
||
}
|