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@@ -0,0 +1,487 @@
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+using System.Text;
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+using UnitTests;
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+using Xunit.Abstractions;
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+
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+namespace ViewBaseTests.Adornments;
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+
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+[Collection ("Global Test Setup")]
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+
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+public class ShadowTests (ITestOutputHelper output)
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+{
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+ private readonly ITestOutputHelper _output = output;
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+
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+ [Fact]
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+ public void Default_None ()
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+ {
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+ var view = new View ();
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+ Assert.Equal (ShadowStyle.None, view.ShadowStyle);
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+ Assert.Equal (ShadowStyle.None, view.Margin!.ShadowStyle);
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+ view.Dispose ();
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+ }
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+
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+ [Theory]
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+ [InlineData (ShadowStyle.None)]
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+ [InlineData (ShadowStyle.Opaque)]
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+ [InlineData (ShadowStyle.Transparent)]
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+ public void Set_View_Sets_Margin (ShadowStyle style)
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+ {
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+ var view = new View ();
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+
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+ view.ShadowStyle = style;
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+ Assert.Equal (style, view.ShadowStyle);
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+ Assert.Equal (style, view.Margin!.ShadowStyle);
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+ view.Dispose ();
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+ }
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+
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+
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+ [Theory]
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+ [InlineData (ShadowStyle.None, 0, 0, 0, 0)]
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+ [InlineData (ShadowStyle.Opaque, 0, 0, 1, 1)]
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+ [InlineData (ShadowStyle.Transparent, 0, 0, 1, 1)]
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+ public void ShadowStyle_Margin_Thickness (ShadowStyle style, int expectedLeft, int expectedTop, int expectedRight, int expectedBottom)
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+ {
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+ var superView = new View
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+ {
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+ Height = 10, Width = 10
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+ };
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+
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+ View view = new ()
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+ {
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+ Width = Dim.Auto (),
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+ Height = Dim.Auto (),
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+ Text = "0123",
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+ HighlightStates = MouseState.Pressed,
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+ ShadowStyle = style,
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+ CanFocus = true
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+ };
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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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+
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+ Assert.Equal (new (expectedLeft, expectedTop, expectedRight, expectedBottom), view.Margin!.Thickness);
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+ }
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+
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+
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+ [Theory]
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+ [InlineData (ShadowStyle.None, 3)]
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+ [InlineData (ShadowStyle.Opaque, 4)]
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+ [InlineData (ShadowStyle.Transparent, 4)]
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+ public void Style_Changes_Margin_Thickness (ShadowStyle style, int expected)
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+ {
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+ var view = new View ();
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+ view.Margin!.Thickness = new (3);
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+ view.ShadowStyle = style;
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+ Assert.Equal (new (3, 3, expected, expected), view.Margin.Thickness);
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+
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+ view.ShadowStyle = ShadowStyle.None;
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+ Assert.Equal (new (3), view.Margin.Thickness);
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+ view.Dispose ();
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+ }
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+
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+ [Theory]
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+ [InlineData (ShadowStyle.Opaque)]
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+ [InlineData (ShadowStyle.Transparent)]
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+ public void ShadowWidth_ShadowHeight_Defaults_To_One (ShadowStyle style)
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+ {
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+ View view = new () { ShadowStyle = style };
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+
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+ Assert.Equal (new (1, 1), view.Margin!.ShadowSize);
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+ }
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+
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+ [Theory]
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+ [InlineData (ShadowStyle.None, 0)]
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+ [InlineData (ShadowStyle.Opaque, 1)]
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+ [InlineData (ShadowStyle.Transparent, 1)]
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+ public void Margin_ShadowWidth_ShadowHeight_Cannot_Be_Set_Less_Than_One (ShadowStyle style, int expectedLength)
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+ {
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+ View view = new () { ShadowStyle = style };
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+ view.Margin!.ShadowSize = new (-1, -1);
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+ Assert.Equal (expectedLength, view.Margin!.ShadowSize.Width);
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+ Assert.Equal (expectedLength, view.Margin!.ShadowSize.Height);
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+ }
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+
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+ [Fact]
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+ public void Changing_ShadowStyle_Correctly_Set_ShadowWidth_ShadowHeight_Thickness ()
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+ {
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+ View view = new () { ShadowStyle = ShadowStyle.Transparent };
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+ view.Margin!.ShadowSize = new (2, 2);
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+
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+ Assert.Equal (new (2, 2), view.Margin!.ShadowSize);
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+ Assert.Equal (new (0, 0, 2, 2), view.Margin.Thickness);
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+
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+ view.ShadowStyle = ShadowStyle.None;
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+ Assert.Equal (new (2, 2), view.Margin!.ShadowSize);
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+ Assert.Equal (new (0, 0, 0, 0), view.Margin.Thickness);
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+
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+ view.ShadowStyle = ShadowStyle.Opaque;
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+ Assert.Equal (new (1, 1), view.Margin!.ShadowSize);
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+ Assert.Equal (new (0, 0, 1, 1), view.Margin.Thickness);
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+ }
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+
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+ [Fact]
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+ public void ShadowStyle_Transparent_Handles_Wide_Glyphs_Correctly ()
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+ {
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+ IApplication app = Application.Create ();
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+ app.Init ("fake");
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+
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+ app.Driver?.SetScreenSize (6, 5);
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+ app.Driver?.GetOutputBuffer ().SetWideGlyphReplacement (Rune.ReplacementChar);
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+
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+ Runnable superview = new () { Width = Dim.Fill (), Height = Dim.Fill () };
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+
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+ superview.Text = """
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+ 🍎🍎🍎
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+ 🍎🍎🍎
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+ 🍎🍎🍎
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+ 🍎🍎🍎
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+ 🍎🍎🍎
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+ """;
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+
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+ View view = new () { Width = Dim.Fill (), Height = Dim.Fill (), BorderStyle = LineStyle.Single, ShadowStyle = ShadowStyle.Transparent };
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+ view.Margin!.ShadowSize = view.Margin!.ShadowSize with { Width = 2 };
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+ superview.Add (view);
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+
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+ app.Begin (superview);
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+
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+ DriverAssert.AssertDriverContentsAre (
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+ """
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+ ┌──┐🍎
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+ │ │🍎
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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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+ app.Driver);
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+
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+ view.Margin!.ShadowSize = new (1, 2);
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+
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+ app.LayoutAndDraw ();
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+
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+ DriverAssert.AssertDriverContentsAre (
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+ """
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+ ┌──┐🍎
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+ │ │�
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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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+ app.Driver);
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+ }
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+
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+ [Fact]
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+ public void ShadowStyle_Opaque_Change_Thickness_On_Mouse_Pressed_Released ()
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+ {
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+ IApplication app = Application.Create ();
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+ app.Init ("fake");
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+
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+ app.Driver?.SetScreenSize (10, 4);
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+
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+ Runnable superview = new () { Width = Dim.Fill (), Height = Dim.Fill () };
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+ View view = new () { Width = 7, Height = 2, ShadowStyle = ShadowStyle.Opaque, Text = "| Hi |", HighlightStates = MouseState.Pressed };
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+ superview.Add (view);
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+
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+ app.Begin (superview);
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+
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+ DriverAssert.AssertDriverContentsAre (
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+ """
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+ | Hi |▖
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+ ▝▀▀▀▀▀▘
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+ """,
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+ output,
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+ app.Driver);
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+
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+ app.Mouse.RaiseMouseEvent (new () { ScreenPosition = new (2, 0), Flags = MouseFlags.Button1Pressed });
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+ app.LayoutAndDraw ();
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+
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+ DriverAssert.AssertDriverContentsAre (
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+ """
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+ | Hi |
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+ """,
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+ output,
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+ app.Driver);
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+
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+ app.Mouse.RaiseMouseEvent (new () { ScreenPosition = new (2, 0), Flags = MouseFlags.Button1Released });
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+ app.LayoutAndDraw ();
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+
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+ DriverAssert.AssertDriverContentsAre (
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+ """
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+ | Hi |▖
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+ ▝▀▀▀▀▀▘
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+ """,
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+ output,
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+ app.Driver);
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+ }
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+
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+ [Fact]
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+ public void ShadowStyle_Transparent_Never_Throws_Navigating_Outside_Bounds ()
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+ {
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+ IApplication app = Application.Create ();
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+ app.Init ("fake");
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+
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+ app.Driver?.SetScreenSize (6, 5);
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+
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+ Runnable superview = new () { Width = Dim.Fill (), Height = Dim.Fill () };
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+
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+ superview.Text = """
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+ 🍎🍎🍎
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+ 🍎🍎🍎
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+ 🍎🍎🍎
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+ 🍎🍎🍎
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+ 🍎🍎🍎
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+ """;
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+
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+ View view = new ()
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+ {
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+ Width = Dim.Fill (), Height = Dim.Fill (), BorderStyle = LineStyle.Single, ShadowStyle = ShadowStyle.Transparent,
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+ Arrangement = ViewArrangement.Movable, CanFocus = true
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+ };
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+ view.Margin!.ShadowSize = view.Margin!.ShadowSize with { Width = 2 };
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+ superview.Add (view);
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+
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+ app.Begin (superview);
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+
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+ Assert.Equal (new (0, 0), view.Frame.Location);
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+
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+ Assert.True (app.Keyboard.RaiseKeyDownEvent (Key.F5.WithCtrl));
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+
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+ int i = 0;
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+ DecrementValue (-10, Key.CursorLeft);
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+ Assert.Equal (-10, i);
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+
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+ IncrementValue (0, Key.CursorRight);
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+ Assert.Equal (0, i);
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+
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+ DecrementValue (-10, Key.CursorUp);
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+ Assert.Equal (-10, i);
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+
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+ IncrementValue (20, Key.CursorDown);
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+ Assert.Equal (20, i);
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+
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+ DecrementValue (0, Key.CursorUp);
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+ Assert.Equal (0, i);
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+
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+ IncrementValue (20, Key.CursorRight);
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+ Assert.Equal (20, i);
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+
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+ return;
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+
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+ void DecrementValue (int count, Key key)
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+ {
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+ for (; i > count; i--)
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+ {
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+ Assert.True (app.Keyboard.RaiseKeyDownEvent (key));
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+ app.LayoutAndDraw ();
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+
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+ CheckAssertion (new (i - 1, 0), new (0, i - 1), key);
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+ }
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+ }
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+
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+ void IncrementValue (int count, Key key)
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+ {
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+ for (; i < count; i++)
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+ {
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+ Assert.True (app.Keyboard.RaiseKeyDownEvent (key));
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+ app.LayoutAndDraw ();
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+
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+ CheckAssertion (new (i + 1, 0), new (0, i + 1), key);
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+ }
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+ }
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+
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+ bool? IsColumn (Key key)
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+ {
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+ if (key == Key.CursorLeft || key == Key.CursorRight)
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+ {
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+ return true;
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+ }
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+
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+ if (key == Key.CursorUp || key == Key.CursorDown)
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+ {
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+ return false;
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+ }
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+
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+ return null;
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+ }
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+
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+ void CheckAssertion (Point colLocation, Point rowLocation, Key key)
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+ {
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+ bool? isCol = IsColumn (key);
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+
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+ switch (isCol)
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+ {
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+ case true:
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+ Assert.Equal (colLocation, view.Frame.Location);
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+
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+ break;
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+ case false:
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+ Assert.Equal (rowLocation, view.Frame.Location);
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+
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+ break;
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+ default:
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+ throw new InvalidOperationException ();
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+ }
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+ }
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+ }
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+
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+ [Theory]
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+ [InlineData (ShadowStyle.None, 3)]
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+ [InlineData (ShadowStyle.Opaque, 4)]
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+ [InlineData (ShadowStyle.Transparent, 4)]
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+ public void Margin_Thickness_Changes_Adjust_Correctly (ShadowStyle style, int expected)
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+ {
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+ var view = new View ();
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+ view.Margin!.Thickness = new (3);
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+ view.ShadowStyle = style;
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+ Assert.Equal (new (3, 3, expected, expected), view.Margin.Thickness);
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+
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+ view.Margin.Thickness = new (3, 3, expected + 1, expected + 1);
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+ Assert.Equal (new (3, 3, expected + 1, expected + 1), view.Margin.Thickness);
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+ view.ShadowStyle = ShadowStyle.None;
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+ Assert.Equal (new (3, 3, 4, 4), view.Margin.Thickness);
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+ view.Dispose ();
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+ }
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+
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+ [Fact]
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+ public void Runnable_View_Overlap_Other_Runnables ()
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+ {
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+ IApplication app = Application.Create ();
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+ app.Init ("fake");
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+
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+ app.Driver?.SetScreenSize (10, 5);
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+
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+ Runnable superview = new () { Width = Dim.Fill (), Height = Dim.Fill (), Text = "🍎".Repeat (25)! };
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+ View view = new () { Width = 7, Height = 2, ShadowStyle = ShadowStyle.Opaque, Text = "| Hi |" };
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+ superview.Add (view);
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+
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+ app.Begin (superview);
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+
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+ DriverAssert.AssertDriverContentsAre (
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+ """
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+ | Hi |▖ 🍎
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+ ▝▀▀▀▀▀▘ 🍎
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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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+ app.Driver);
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+
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+ Runnable modalSuperview = new () { Y = 1, Width = Dim.Fill (), Height = 4, BorderStyle = LineStyle.Single };
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+ View view1 = new () { Width = 8, Height = 2, ShadowStyle = ShadowStyle.Opaque, Text = "| Hey |" };
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+ modalSuperview.Add (view1);
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+
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+ app.Begin (modalSuperview);
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+
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+ Assert.True (modalSuperview.IsModal);
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+
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+ DriverAssert.AssertDriverContentsAre (
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+ """
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+ | Hi |▖ 🍎
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+ ┌────────┐
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+ │| Hey |▖│
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+ │▝▀▀▀▀▀▀▘│
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+ └────────┘
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+ """,
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+ output,
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+ app.Driver);
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+
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+
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+ app.Dispose ();
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+ }
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+
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+ [Fact]
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+ public void TransparentShadow_Draws_Transparent_At_Driver_Output ()
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+ {
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+ // Arrange
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+ using IApplication app = Application.Create ();
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+ app.Init ("fake");
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+ app.Driver!.SetScreenSize (2, 1);
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+ app.Driver.Force16Colors = true;
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+
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+ using Runnable superView = new ();
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+ superView.Width = Dim.Fill ();
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+ superView.Height = Dim.Fill ();
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+ superView.Text = "AB";
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+ superView.TextFormatter.WordWrap = true;
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+ superView.SetScheme (new (new Attribute (Color.Black, Color.White)));
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+
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+ // Create view with transparent shadow
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+ View viewWithShadow = new ()
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+ {
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+ Width = Dim.Auto (),
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+ Height = Dim.Auto (),
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+ Text = "*",
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+ ShadowStyle = ShadowStyle.Transparent
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+ };
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+ // Make it so the margin is only on the right for simplicity
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+ viewWithShadow.Margin!.Thickness = new (0, 0, 1, 0);
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+ viewWithShadow.SetScheme (new (new Attribute (Color.Black, Color.White)));
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+
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+ superView.Add (viewWithShadow);
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+
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+ // Act
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+ app.Begin (superView);
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+ app.LayoutAndDraw ();
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+ app.Driver.Refresh ();
|
|
|
+
|
|
|
+ // Assert
|
|
|
+ _output.WriteLine ("Actual driver contents:");
|
|
|
+ _output.WriteLine (app.Driver.ToString ());
|
|
|
+ _output.WriteLine ("\nActual driver output:");
|
|
|
+ string? output = app.Driver.GetOutput ().GetLastOutput ();
|
|
|
+ _output.WriteLine (output);
|
|
|
+
|
|
|
+ DriverAssert.AssertDriverOutputIs ("""
|
|
|
+ \x1b[30m\x1b[107m*\x1b[90m\x1b[100mB
|
|
|
+ """, _output, app.Driver);
|
|
|
+ }
|
|
|
+
|
|
|
+ [Fact]
|
|
|
+ public void TransparentShadow_OverWide_Draws_Transparent_At_Driver_Output ()
|
|
|
+ {
|
|
|
+ // Arrange
|
|
|
+ using IApplication app = Application.Create ();
|
|
|
+ app.Init ("fake");
|
|
|
+ app.Driver!.SetScreenSize (2, 3);
|
|
|
+ app.Driver.Force16Colors = true;
|
|
|
+
|
|
|
+ using Runnable superView = new ();
|
|
|
+ superView.Width = Dim.Fill ();
|
|
|
+ superView.Height = Dim.Fill ();
|
|
|
+ superView.Text = "🍎🍎🍎🍎";
|
|
|
+ superView.TextFormatter.WordWrap = true;
|
|
|
+ superView.SetScheme (new (new Attribute (Color.Black, Color.White)));
|
|
|
+
|
|
|
+ // Create view with transparent shadow
|
|
|
+ View viewWithShadow = new ()
|
|
|
+ {
|
|
|
+ Width = Dim.Auto (),
|
|
|
+ Height = Dim.Auto (),
|
|
|
+ Text = "*",
|
|
|
+ ShadowStyle = ShadowStyle.Transparent
|
|
|
+ };
|
|
|
+ // Make it so the margin is only on the bottom for simplicity
|
|
|
+ viewWithShadow.Margin!.Thickness = new (0, 0, 0, 1);
|
|
|
+ viewWithShadow.SetScheme (new (new Attribute (Color.Black, Color.White)));
|
|
|
+
|
|
|
+ superView.Add (viewWithShadow);
|
|
|
+
|
|
|
+ // Act
|
|
|
+ app.Begin (superView);
|
|
|
+ app.LayoutAndDraw ();
|
|
|
+ app.Driver.Refresh ();
|
|
|
+
|
|
|
+ // Assert
|
|
|
+ _output.WriteLine ("Actual driver contents:");
|
|
|
+ _output.WriteLine (app.Driver.ToString ());
|
|
|
+ _output.WriteLine ("\nActual driver output:");
|
|
|
+ string? output = app.Driver.GetOutput ().GetLastOutput ();
|
|
|
+ _output.WriteLine (output);
|
|
|
+
|
|
|
+ DriverAssert.AssertDriverOutputIs ("""
|
|
|
+ \x1b[30m\x1b[107m*\x1b[90m\x1b[103m \x1b[97m\x1b[40m \x1b[90m\x1b[100m \x1b[97m\x1b[40m🍎
|
|
|
+ """, _output, app.Driver);
|
|
|
+ }
|
|
|
+}
|
Tig