// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

#nullable disable

using System.Drawing;

namespace System.Windows.Forms.Tests;

public class ProfessionalColorsTests
{
    public static IEnumerable<object[]> Properties_TestData()
    {
        static Func<T> I<T>(Func<T> t) => t;

        yield return new object[] { I(() => ProfessionalColors.ButtonCheckedGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.ButtonCheckedGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.ButtonCheckedGradientMiddle) };
        yield return new object[] { I(() => ProfessionalColors.ButtonCheckedHighlight) };
        yield return new object[] { I(() => ProfessionalColors.ButtonCheckedHighlightBorder) };
        yield return new object[] { I(() => ProfessionalColors.ButtonPressedBorder) };
        yield return new object[] { I(() => ProfessionalColors.ButtonPressedGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.ButtonPressedGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.ButtonPressedGradientMiddle) };
        yield return new object[] { I(() => ProfessionalColors.ButtonPressedHighlight) };
        yield return new object[] { I(() => ProfessionalColors.ButtonPressedHighlightBorder) };
        yield return new object[] { I(() => ProfessionalColors.ButtonSelectedBorder) };
        yield return new object[] { I(() => ProfessionalColors.ButtonSelectedGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.ButtonSelectedGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.ButtonSelectedGradientMiddle) };
        yield return new object[] { I(() => ProfessionalColors.ButtonSelectedHighlight) };
        yield return new object[] { I(() => ProfessionalColors.ButtonSelectedHighlightBorder) };
        yield return new object[] { I(() => ProfessionalColors.CheckBackground) };
        yield return new object[] { I(() => ProfessionalColors.CheckPressedBackground) };
        yield return new object[] { I(() => ProfessionalColors.CheckSelectedBackground) };
        yield return new object[] { I(() => ProfessionalColors.GripDark) };
        yield return new object[] { I(() => ProfessionalColors.GripLight) };
        yield return new object[] { I(() => ProfessionalColors.ImageMarginGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.ImageMarginGradientMiddle) };
        yield return new object[] { I(() => ProfessionalColors.ImageMarginRevealedGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.ImageMarginRevealedGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.ImageMarginRevealedGradientMiddle) };
        yield return new object[] { I(() => ProfessionalColors.MenuBorder) };
        yield return new object[] { I(() => ProfessionalColors.MenuItemBorder) };
        yield return new object[] { I(() => ProfessionalColors.MenuItemPressedGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.MenuItemPressedGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.MenuItemPressedGradientMiddle) };
        yield return new object[] { I(() => ProfessionalColors.MenuItemSelected) };
        yield return new object[] { I(() => ProfessionalColors.MenuItemSelectedGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.MenuItemSelectedGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.MenuStripGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.MenuStripGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.OverflowButtonGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.OverflowButtonGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.OverflowButtonGradientMiddle) };
        yield return new object[] { I(() => ProfessionalColors.RaftingContainerGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.RaftingContainerGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.SeparatorDark) };
        yield return new object[] { I(() => ProfessionalColors.SeparatorLight) };
        yield return new object[] { I(() => ProfessionalColors.StatusStripGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.StatusStripGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.ToolStripBorder) };
        yield return new object[] { I(() => ProfessionalColors.ToolStripContentPanelGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.ToolStripContentPanelGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.ToolStripDropDownBackground) };
        yield return new object[] { I(() => ProfessionalColors.ToolStripGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.ToolStripGradientEnd) };
        yield return new object[] { I(() => ProfessionalColors.ToolStripGradientMiddle) };
        yield return new object[] { I(() => ProfessionalColors.ToolStripPanelGradientBegin) };
        yield return new object[] { I(() => ProfessionalColors.ToolStripPanelGradientEnd) };
    }

    [WinFormsTheory]
    [MemberData(nameof(Properties_TestData))]
    public void ProfessionalColors_Properties_Get_ReturnsExpected(Func<Color> factory)
    {
        Color result = factory();
        Assert.Equal(result, factory());
    }

    [WinFormsTheory]
    [MemberData(nameof(Properties_TestData))]
    public void ProfessionalColors_Properties_GetToolStripManagerVisualStylesEnabled_ReturnsExpected(Func<Color> factory)
    {
        bool oldValue = ToolStripManager.VisualStylesEnabled;
        try
        {
            ToolStripManager.VisualStylesEnabled = true;

            Color result = factory();
            Assert.Equal(result, factory());
        }
        finally
        {
            ToolStripManager.VisualStylesEnabled = oldValue;
        }
    }

    [WinFormsFact]
    public void ProfessionalColors_ImageMarginGradientEnd_Get_ReturnsExpected()
    {
        Assert.NotEqual(ProfessionalColors.ImageMarginGradientEnd, ProfessionalColors.ImageMarginGradientEnd);
    }
}
