Terminal.Gui/UnitTests/Drawing/ThicknessTests.cs

using Terminal.Gui;
using System.Text;
using System;
using System.Collections.Generic;
using System.Xml.Linq;
using Xunit;
using Xunit.Abstractions;
//using GraphViewTests = Terminal.Gui.Views.GraphViewTests;

// Alias Console to MockConsole so we don't accidentally use Console
using Console = Terminal.Gui.FakeConsole;

namespace Terminal.Gui.DrawingTests;
public class ThicknessTests {

	readonly ITestOutputHelper output;

	public ThicknessTests (ITestOutputHelper output)
	{
		this.output = output;
	}

	[Fact ()]
	public void Constructor_Defaults ()
	{
		var t = new Thickness ();
		Assert.Equal (0, t.Left);
		Assert.Equal (0, t.Top);
		Assert.Equal (0, t.Right);
		Assert.Equal (0, t.Bottom);
	}

	[Fact ()]
	public void Empty_Is_empty ()
	{
		var t = Thickness.Empty;
		Assert.Equal (0, t.Left);
		Assert.Equal (0, t.Top);
		Assert.Equal (0, t.Right);
		Assert.Equal (0, t.Bottom);
	}

	[Fact ()]
	public void Constructor_Width ()
	{
		var t = new Thickness (1);
		Assert.Equal (1, t.Left);
		Assert.Equal (1, t.Top);
		Assert.Equal (1, t.Right);
		Assert.Equal (1, t.Bottom);
	}

	[Fact ()]
	public void Constructor_params ()
	{
		var t = new Thickness (1, 2, 3, 4);
		Assert.Equal (1, t.Left);
		Assert.Equal (2, t.Top);
		Assert.Equal (3, t.Right);
		Assert.Equal (4, t.Bottom);

		t = new Thickness (0, 0, 0, 0);
		Assert.Equal (0, t.Left);
		Assert.Equal (0, t.Top);
		Assert.Equal (0, t.Right);
		Assert.Equal (0, t.Bottom);

		t = new Thickness (-1, 0, 0, 0);
		Assert.Equal (-1, t.Left);
		Assert.Equal (0, t.Top);
		Assert.Equal (0, t.Right);
		Assert.Equal (0, t.Bottom);
	}

	[Fact ()]
	public void Vertical_get ()
	{
		var t = new Thickness (1, 2, 3, 4);
		Assert.Equal (6, t.Vertical);

		t = new Thickness (0);
		Assert.Equal (0, t.Vertical);
	}

	[Fact ()]
	public void Horizontal_get ()
	{
		var t = new Thickness (1, 2, 3, 4);
		Assert.Equal (4, t.Horizontal);

		t = new Thickness (0);
		Assert.Equal (0, t.Horizontal);
	}

	[Fact ()]
	public void Vertical_set ()
	{
		var t = new Thickness ();
		t.Vertical = 10;
		Assert.Equal (10, t.Vertical);
		Assert.Equal (0, t.Left);
		Assert.Equal (5, t.Top);
		Assert.Equal (0, t.Right);
		Assert.Equal (5, t.Bottom);
		Assert.Equal (0, t.Horizontal);

		t.Vertical = 11;
		Assert.Equal (10, t.Vertical);
		Assert.Equal (0, t.Left);
		Assert.Equal (5, t.Top);
		Assert.Equal (0, t.Right);
		Assert.Equal (5, t.Bottom);
		Assert.Equal (0, t.Horizontal);

		t.Vertical = 1;
		Assert.Equal (0, t.Vertical);
		Assert.Equal (0, t.Left);
		Assert.Equal (0, t.Top);
		Assert.Equal (0, t.Right);
		Assert.Equal (0, t.Bottom);
		Assert.Equal (0, t.Horizontal);
	}

	[Fact ()]
	public void Horizontal_set ()
	{
		var t = new Thickness ();
		t.Horizontal = 10;
		Assert.Equal (10, t.Horizontal);
		Assert.Equal (5, t.Left);
		Assert.Equal (0, t.Top);
		Assert.Equal (5, t.Right);
		Assert.Equal (0, t.Bottom);
		Assert.Equal (0, t.Vertical);

		t.Horizontal = 11;
		Assert.Equal (10, t.Horizontal);
		Assert.Equal (5, t.Left);
		Assert.Equal (0, t.Top);
		Assert.Equal (5, t.Right);
		Assert.Equal (0, t.Bottom);
		Assert.Equal (0, t.Vertical);

		t.Horizontal = 1;
		Assert.Equal (0, t.Horizontal);
		Assert.Equal (0, t.Left);
		Assert.Equal (0, t.Top);
		Assert.Equal (0, t.Right);
		Assert.Equal (0, t.Bottom);
		Assert.Equal (0, t.Vertical);

	}

	[Fact ()]
	public void GetInsideTests_Zero_Thickness ()
	{
		var t = new Thickness (0, 0, 0, 0);
		var r = Rect.Empty;
		var inside = t.GetInside (r);
		Assert.Equal (0, inside.X);
		Assert.Equal (0, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (0, inside.Height);

		t = new Thickness (0, 0, 0, 0);
		r = new Rect (0, 0, 1, 1);
		inside = t.GetInside (r);
		Assert.Equal (0, inside.X);
		Assert.Equal (0, inside.Y);
		Assert.Equal (1, inside.Width);
		Assert.Equal (1, inside.Height);

		t = new Thickness (0, 0, 0, 0);
		r = new Rect (1, 1, 1, 1);
		inside = t.GetInside (r);
		Assert.Equal (1, inside.X);
		Assert.Equal (1, inside.Y);
		Assert.Equal (1, inside.Width);
		Assert.Equal (1, inside.Height);

		t = new Thickness (0, 0, 0, 0);
		r = new Rect (0, 0, 1, 0);
		inside = t.GetInside (r);
		Assert.Equal (0, inside.X);
		Assert.Equal (0, inside.Y);
		Assert.Equal (1, inside.Width);
		Assert.Equal (0, inside.Height);

		t = new Thickness (0, 0, 0, 0);
		r = new Rect (0, 0, 0, 1);
		inside = t.GetInside (r);
		Assert.Equal (0, inside.X);
		Assert.Equal (0, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (1, inside.Height);

		t = new Thickness (0, 0, 0, 0);
		r = new Rect (-1, -1, 0, 1);
		inside = t.GetInside (r);
		Assert.Equal (-1, inside.X);
		Assert.Equal (-1, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (1, inside.Height);
	}

	[Fact ()]
	public void GetInsideTests_Positive_Thickness_Too_Small_Rect_Means_Empty_Size ()
	{
		var t = new Thickness (1, 1, 1, 1);
		var r = Rect.Empty;
		var inside = t.GetInside (r);
		Assert.Equal (1, inside.X);
		Assert.Equal (1, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (0, inside.Height);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (0, 0, 1, 1);
		inside = t.GetInside (r);
		Assert.Equal (1, inside.X);
		Assert.Equal (1, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (0, inside.Height);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (1, 1, 1, 1);
		inside = t.GetInside (r);
		Assert.Equal (2, inside.X);
		Assert.Equal (2, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (0, inside.Height);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (0, 0, 1, 0);
		inside = t.GetInside (r);
		Assert.Equal (1, inside.X);
		Assert.Equal (1, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (0, inside.Height);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (0, 0, 0, 1);
		inside = t.GetInside (r);
		Assert.Equal (1, inside.X);
		Assert.Equal (1, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (0, inside.Height);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (-1, -1, 0, 1);
		inside = t.GetInside (r);
		Assert.Equal (0, inside.X);
		Assert.Equal (0, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (0, inside.Height);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (0, 0, 2, 2);
		inside = t.GetInside (r);
		Assert.Equal (1, inside.X);
		Assert.Equal (1, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (0, inside.Height);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (-1, -1, 2, 2);
		inside = t.GetInside (r);
		Assert.Equal (0, inside.X);
		Assert.Equal (0, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (0, inside.Height);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (1, 1, 2, 2);
		inside = t.GetInside (r);
		Assert.Equal (2, inside.X);
		Assert.Equal (2, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (0, inside.Height);

		t = new Thickness (1, 2, 3, 4);
		r = new Rect (-1, 0, 4, 6);
		inside = t.GetInside (r);
		Assert.Equal (0, inside.X);
		Assert.Equal (2, inside.Y);
		Assert.Equal (0, inside.Width);
		Assert.Equal (0, inside.Height);
	}

	[Fact ()]
	public void GetInsideTests_Positive_Thickness_Non_Empty_Size ()
	{

		var t = new Thickness (1, 1, 1, 1);
		var r = new Rect (0, 0, 3, 3);
		var inside = t.GetInside (r);
		Assert.Equal (1, inside.X);
		Assert.Equal (1, inside.Y);
		Assert.Equal (1, inside.Width);
		Assert.Equal (1, inside.Height);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (-1, -1, 3, 3);
		inside = t.GetInside (r);
		Assert.Equal (0, inside.X);
		Assert.Equal (0, inside.Y);
		Assert.Equal (1, inside.Width);
		Assert.Equal (1, inside.Height);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (1, 1, 3, 3);
		inside = t.GetInside (r);
		Assert.Equal (2, inside.X);
		Assert.Equal (2, inside.Y);
		Assert.Equal (1, inside.Width);
		Assert.Equal (1, inside.Height);

		t = new Thickness (1, 2, 3, 4);
		r = new Rect (-1, 0, 50, 60);
		inside = t.GetInside (r);
		Assert.Equal (0, inside.X);
		Assert.Equal (2, inside.Y);
		Assert.Equal (46, inside.Width);
		Assert.Equal (54, inside.Height);
	}

	[Fact ()]
	public void GetInsideTests_Negative_Thickness_Non_Empty_Size ()
	{
		var t = new Thickness (-1, -1, -1, -1);
		var r = new Rect (0, 0, 3, 3);
		var inside = t.GetInside (r);
		Assert.Equal (-1, inside.X);
		Assert.Equal (-1, inside.Y);
		Assert.Equal (5, inside.Width);
		Assert.Equal (5, inside.Height);

		t = new Thickness (-1, -1, -1, -1);
		r = new Rect (-1, -1, 3, 3);
		inside = t.GetInside (r);
		Assert.Equal (-2, inside.X);
		Assert.Equal (-2, inside.Y);
		Assert.Equal (5, inside.Width);
		Assert.Equal (5, inside.Height);

		t = new Thickness (-1, -1, -1, -1);
		r = new Rect (1, 1, 3, 3);
		inside = t.GetInside (r);
		Assert.Equal (0, inside.X);
		Assert.Equal (0, inside.Y);
		Assert.Equal (5, inside.Width);
		Assert.Equal (5, inside.Height);

		t = new Thickness (-1, -2, -3, -4);
		r = new Rect (-1, 0, 50, 60);
		inside = t.GetInside (r);
		Assert.Equal (-2, inside.X);
		Assert.Equal (-2, inside.Y);
		Assert.Equal (54, inside.Width);
		Assert.Equal (66, inside.Height);
	}

	[Fact ()]
	public void GetInsideTests_Mixed_Pos_Neg_Thickness_Non_Empty_Size ()
	{
		var t = new Thickness (-1, 1, -1, 1);
		var r = new Rect (0, 0, 3, 3);
		var inside = t.GetInside (r);
		Assert.Equal (-1, inside.X);
		Assert.Equal (1, inside.Y);
		Assert.Equal (5, inside.Width);
		Assert.Equal (1, inside.Height);

		t = new Thickness (-1, 1, -1, 1);
		r = new Rect (-1, -1, 3, 3);
		inside = t.GetInside (r);
		Assert.Equal (-2, inside.X);
		Assert.Equal (0, inside.Y);
		Assert.Equal (5, inside.Width);
		Assert.Equal (1, inside.Height);

		t = new Thickness (-1, 1, -1, 1);
		r = new Rect (1, 1, 3, 3);
		inside = t.GetInside (r);
		Assert.Equal (0, inside.X);
		Assert.Equal (2, inside.Y);
		Assert.Equal (5, inside.Width);
		Assert.Equal (1, inside.Height);

		t = new Thickness (-2, -1, 0, 1);
		r = new Rect (-1, 0, 50, 60);
		inside = t.GetInside (r);
		Assert.Equal (-3, inside.X);
		Assert.Equal (-1, inside.Y);
		Assert.Equal (52, inside.Width);
		Assert.Equal (60, inside.Height);
	}

	[Fact (), AutoInitShutdown]
	public void DrawTests ()
	{
		((FakeDriver)Application.Driver).SetBufferSize (60, 60);
		var t = new Thickness (0, 0, 0, 0);
		var r = new Rect (5, 5, 40, 15);
		ConsoleDriver.Diagnostics |= ConsoleDriver.DiagnosticFlags.FramePadding;
		Application.Driver.FillRect (new Rect (0, 0, Application.Driver.Cols, Application.Driver.Rows), (Rune)' ');
		t.Draw (r, "Test");
		ConsoleDriver.Diagnostics = ConsoleDriver.DiagnosticFlags.Off;
		TestHelpers.AssertDriverContentsWithFrameAre (@"
       Test (Left=0,Top=0,Right=0,Bottom=0)", output);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (5, 5, 40, 15);
		ConsoleDriver.Diagnostics |= ConsoleDriver.DiagnosticFlags.FramePadding;
		Application.Driver.FillRect (new Rect (0, 0, Application.Driver.Cols, Application.Driver.Rows), (Rune)' ');
		t.Draw (r, "Test");
		ConsoleDriver.Diagnostics = ConsoleDriver.DiagnosticFlags.Off;
		TestHelpers.AssertDriverContentsWithFrameAre (@"
     TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
     T                                      T
     T                                      T
     T                                      T
     T                                      T
     T                                      T
     T                                      T
     T                                      T
     T                                      T
     T                                      T
     T                                      T
     T                                      T
     T                                      T
     T                                      T
     TTTest (Left=1,Top=1,Right=1,Bottom=1)TT", output);

		t = new Thickness (1, 2, 3, 4);
		r = new Rect (5, 5, 40, 15);
		ConsoleDriver.Diagnostics |= ConsoleDriver.DiagnosticFlags.FramePadding;
		Application.Driver.FillRect (new Rect (0, 0, Application.Driver.Cols, Application.Driver.Rows), (Rune)' ');
		t.Draw (r, "Test");
		ConsoleDriver.Diagnostics = ConsoleDriver.DiagnosticFlags.Off;
		TestHelpers.AssertDriverContentsWithFrameAre (@"
     TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
     TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
     T                                    TTT
     T                                    TTT
     T                                    TTT
     T                                    TTT
     T                                    TTT
     T                                    TTT
     T                                    TTT
     T                                    TTT
     T                                    TTT
     TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
     TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
     TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
     TTTest (Left=1,Top=2,Right=3,Bottom=4)TT", output);

		t = new Thickness (-1, 1, 1, 1);
		r = new Rect (5, 5, 40, 15);
		ConsoleDriver.Diagnostics |= ConsoleDriver.DiagnosticFlags.FramePadding;
		Application.Driver.FillRect (new Rect (0, 0, Application.Driver.Cols, Application.Driver.Rows), (Rune)' ');
		t.Draw (r, "Test");
		ConsoleDriver.Diagnostics = ConsoleDriver.DiagnosticFlags.Off;
		TestHelpers.AssertDriverContentsWithFrameAre (@"
     TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
                                            T
                                            T
                                            T
                                            T
                                            T
                                            T
                                            T
                                            T
                                            T
                                            T
                                            T
                                            T
                                            T
     TTest (Left=-1,Top=1,Right=1,Bottom=1)TT", output);

	}

	[Fact (), AutoInitShutdown]
	public void DrawTests_Ruler ()
	{
		// Add a frame so we can see the ruler
		var f = new FrameView () {
			X = 0,
			Y = 0,
			Width = Dim.Fill (),
			Height = Dim.Fill (),
		};

		Application.Top.Add (f);
		Application.Begin (Application.Top);

		((FakeDriver)Application.Driver).SetBufferSize (45, 20);
		var t = new Thickness (0, 0, 0, 0);
		var r = new Rect (2, 2, 40, 15);
		Application.Refresh ();
		ConsoleDriver.Diagnostics |= ConsoleDriver.DiagnosticFlags.FrameRuler;
		t.Draw (r, "Test");
		ConsoleDriver.Diagnostics = ConsoleDriver.DiagnosticFlags.Off;
		TestHelpers.AssertDriverContentsAre (@"
┌───────────────────────────────────────────┐
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
│                                           │
└───────────────────────────────────────────┘", output);

		t = new Thickness (1, 1, 1, 1);
		r = new Rect (1, 1, 40, 15);
		Application.Refresh ();
		ConsoleDriver.Diagnostics |= ConsoleDriver.DiagnosticFlags.FrameRuler;
		t.Draw (r, "Test");
		ConsoleDriver.Diagnostics = ConsoleDriver.DiagnosticFlags.Off;
		TestHelpers.AssertDriverContentsAre (@"
┌───────────────────────────────────────────┐
│|123456789|123456789|123456789|123456789   │
│1                                      1   │
│2                                      2   │
│3                                      3   │
│4                                      4   │
│5                                      5   │
│6                                      6   │
│7                                      7   │
│8                                      8   │
│9                                      9   │
│-                                      -   │
│1                                      1   │
│2                                      2   │
│3                                      3   │
│|123456789|123456789|123456789|123456789   │
│                                           │
│                                           │
│                                           │
└───────────────────────────────────────────┘", output);

		t = new Thickness (1, 2, 3, 4);
		r = new Rect (2, 2, 40, 15);
		Application.Refresh ();
		ConsoleDriver.Diagnostics |= ConsoleDriver.DiagnosticFlags.FrameRuler;
		t.Draw (r, "Test");
		ConsoleDriver.Diagnostics = ConsoleDriver.DiagnosticFlags.Off;
		TestHelpers.AssertDriverContentsWithFrameAre (@"
┌───────────────────────────────────────────┐
│                                           │
│ |123456789|123456789|123456789|123456789  │
│ 1                                      1  │
│ 2                                      2  │
│ 3                                      3  │
│ 4                                      4  │
│ 5                                      5  │
│ 6                                      6  │
│ 7                                      7  │
│ 8                                      8  │
│ 9                                      9  │
│ -                                      -  │
│ 1                                      1  │
│ 2                                      2  │
│ 3                                      3  │
│ |123456789|123456789|123456789|123456789  │
│                                           │
│                                           │
└───────────────────────────────────────────┘", output);

		t = new Thickness (-1, 1, 1, 1);
		r = new Rect (5, 5, 40, 15);
		Application.Refresh ();
		ConsoleDriver.Diagnostics |= ConsoleDriver.DiagnosticFlags.FrameRuler;
		t.Draw (r, "Test");
		ConsoleDriver.Diagnostics = ConsoleDriver.DiagnosticFlags.Off;
		TestHelpers.AssertDriverContentsWithFrameAre (@"
┌───────────────────────────────────────────┐
│                                           │
│                                           │
│                                           │
│                                           │
│    |123456789|123456789|123456789|123456789
│                                           1
│                                           2
│                                           3
│                                           4
│                                           5
│                                           6
│                                           7
│                                           8
│                                           9
│                                           -
│                                           1
│                                           2
│                                           3
└────|123456789|123456789|123456789|123456789", output);

	}

	[Theory]
	[InlineData (0, 0, 10, 10, 3, 3, false)] // Inside the inner rectangle
	[InlineData (0, 0, 10, 10, 0, 0, false)] // On corner, in thickness
	[InlineData (0, 0, 10, 10, 9, 9, false)] // On opposite corner, in thickness
	[InlineData (0, 0, 10, 10, 5, 5, false)] // Inside the inner rectangle
	[InlineData (0, 0, 10, 10, -1, -1, false)] // Outside the outer rectangle

	[InlineData (0, 0, 0, 0, 3, 3, false)] // Inside the inner rectangle
	[InlineData (0, 0, 0, 0, 0, 0, false)] // On corner, in thickness
	[InlineData (0, 0, 0, 0, 9, 9, false)] // On opposite corner, in thickness
	[InlineData (0, 0, 0, 0, 5, 5, false)] // Inside the inner rectangle
	[InlineData (0, 0, 0, 0, -1, -1, false)] // Outside the outer rectangle

	[InlineData (1, 1, 10, 10, 1, 1, false)] // On corner, in thickness
	[InlineData (1, 1, 10, 10, 10, 10, false)] // On opposite corner, in thickness
	[InlineData (1, 1, 10, 10, 6, 6, false)] // Inside the inner rectangle
	[InlineData (1, 1, 10, 10, 0, 0, false)] // Outside the outer rectangle

	[InlineData (-1, -1, 10, 10, -1, -1, false)] // On corner, in thickness
	[InlineData (-1, -1, 10, 10, 8, 8, false)] // On opposite corner, in thickness
	[InlineData (-1, -1, 10, 10, 4, 4, false)] // Inside the inner rectangle
	[InlineData (-1, -1, 10, 10, -2, -2, false)] // Outside the outer rectangle
	public void TestContains_ZeroThickness (int x, int y, int width, int height, int pointX, int pointY, bool expected)
	{
		var rect = new Rect (x, y, width, height);
		var thickness = new Thickness (0, 0, 0, 0); // Uniform thickness for simplicity
		bool result = thickness.Contains (rect, pointX, pointY);
		Assert.Equal (expected, result);
	}

	[Theory]
	[InlineData (0, 0, 10, 10, 3, 3, false)] // Inside the inner rectangle
	[InlineData (0, 0, 10, 10, 0, 0, true)] // On corner, in thickness
	[InlineData (0, 0, 10, 10, 9, 9, true)] // On opposite corner, in thickness
	[InlineData (0, 0, 10, 10, 5, 5, false)] // Inside the inner rectangle
	[InlineData (0, 0, 10, 10, -1, -1, false)] // Outside the outer rectangle

	[InlineData (0, 0, 0, 0, 3, 3, false)] // Inside the inner rectangle
	[InlineData (0, 0, 0, 0, 0, 0, false)] // On corner, in thickness
	[InlineData (0, 0, 0, 0, 9, 9, false)] // On opposite corner, in thickness
	[InlineData (0, 0, 0, 0, 5, 5, false)] // Inside the inner rectangle
	[InlineData (0, 0, 0, 0, -1, -1, false)] // Outside the outer rectangle

	[InlineData (1, 1, 10, 10, 1, 1, true)] // On corner, in thickness
	[InlineData (1, 1, 10, 10, 10, 10, true)] // On opposite corner, in thickness
	[InlineData (1, 1, 10, 10, 6, 6, false)] // Inside the inner rectangle
	[InlineData (1, 1, 10, 10, 0, 0, false)] // Outside the outer rectangle

	[InlineData (-1, -1, 10, 10, -1, -1, true)] // On corner, in thickness
	[InlineData (-1, -1, 10, 10, 8, 8, true)] // On opposite corner, in thickness
	[InlineData (-1, -1, 10, 10, 4, 4, false)] // Inside the inner rectangle
	[InlineData (-1, -1, 10, 10, -2, -2, false)] // Outside the outer rectangle
	public void TestContains_Uniform1 (int x, int y, int width, int height, int pointX, int pointY, bool expected)
	{
		var rect = new Rect (x, y, width, height);
		var thickness = new Thickness (1, 1, 1, 1); // Uniform thickness for simplicity
		bool result = thickness.Contains (rect, pointX, pointY);
		Assert.Equal (expected, result);
	}

	[Theory]
	[InlineData (0, 0, 10, 10, 3, 3, false)] // Inside the inner rectangle
	[InlineData (0, 0, 10, 10, 0, 0, true)] // On corner, in thickness
	[InlineData (0, 0, 10, 10, 1, 1, true)] // On corner, in thickness
	[InlineData (0, 0, 10, 10, 9, 9, true)] // On opposite corner, in thickness
	[InlineData (0, 0, 10, 10, 5, 5, false)] // Inside the inner rectangle
	[InlineData (0, 0, 10, 10, 8, 8, true)] // On opposite corner, in thickness
	[InlineData (0, 0, 10, 10, -1, -1, false)] // Outside the outer rectangle

	// Test with a rectangle that is same size as the thickness (inner is empty)
	[InlineData (0, 0, 4, 4, 0, 0, true)] // in thickness
	[InlineData (0, 0, 4, 4, 1, 1, true)] // in thickness
	[InlineData (0, 0, 4, 4, 2, 2, true)] // in thickness
	[InlineData (0, 0, 4, 4, 3, 3, true)] // in thickness
	[InlineData (0, 0, 4, 4, 5, 5, false)] // outside outer rect
	[InlineData (0, 0, 4, 4, 4, 4, false)] // outside outer rect

	[InlineData (1, 1, 10, 10, 4, 4, false)] // Inside the inner rectangle
	[InlineData (1, 1, 10, 10, 1, 1, true)] // On corner, in thickness
	[InlineData (1, 1, 10, 10, 2, 2, true)] // On corner, in thickness
	[InlineData (1, 1, 10, 10, 10, 10, true)] // On opposite corner, in thickness
	[InlineData (1, 1, 10, 10, 6, 6, false)] // Inside the inner rectangle
	[InlineData (1, 1, 10, 10, 9, 9, true)] // On opposite corner, in thickness
	[InlineData (1, 1, 10, 10, 0, 0, false)] // Outside the outer rectangle

	// Test with a rectangle that is same size as the thickness (inner is empty)
	[InlineData (-1, -1, 4, 4, -1, -1, true)] // in thickness
	[InlineData (-1, -1, 4, 4, 0, 0, true)] // in thickness
	[InlineData (-1, -1, 4, 4, 1, 1, true)] // in thickness
	[InlineData (-1, -1, 4, 4, 2, 2, true)] // in thickness
	[InlineData (-1, -1, 4, 4, 4, 4, false)] // outside outer rect
	[InlineData (-1, -1, 4, 4, 3, 3, false)] // outside outer rect
	public void TestContains_Uniform2 (int x, int y, int width, int height, int pointX, int pointY, bool expected)
	{
		var rect = new Rect (x, y, width, height);
		var thickness = new Thickness (2, 2, 2, 2); // Uniform thickness for simplicity
		bool result = thickness.Contains (rect, pointX, pointY);
		Assert.Equal (expected, result);
	}

	// TODO: Add more test cases:
	// - Negative thickness values

	[Fact ()]
	public void EqualsTest ()
	{
		var t = new Thickness (1, 2, 3, 4);
		var t2 = new Thickness (1, 2, 3, 4);
		Assert.True (t.Equals (t2));
		Assert.True (t == t2);
		Assert.False (t != t2);
	}

	[Fact ()]
	public void ToStringTest ()
	{
		var t = new Thickness (1, 2, 3, 4);
		Assert.Equal ("(Left=1,Top=2,Right=3,Bottom=4)", t.ToString ());
	}

	[Fact ()]
	public void GetHashCodeTest ()
	{
		var t = new Thickness (1, 2, 3, 4);
		Assert.Equal (t.GetHashCode (), t.GetHashCode ());
	}
}