winforms/src/System.Drawing.Common/tests/SystemIconsTests.cs at main · reactapi/winforms · GitHub

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

using System.Collections.Generic;
using Xunit;

namespace System.Drawing.Tests
{
    public class SystemIconsTests
    {
        public static IEnumerable<object[]> SystemIcons_TestData()
        {
            yield return Icon(() => SystemIcons.Application);
            yield return Icon(() => SystemIcons.Asterisk);
            yield return Icon(() => SystemIcons.Error);
            yield return Icon(() => SystemIcons.Exclamation);
            yield return Icon(() => SystemIcons.Hand);
            yield return Icon(() => SystemIcons.Information);
            yield return Icon(() => SystemIcons.Question);
            yield return Icon(() => SystemIcons.Shield);
            yield return Icon(() => SystemIcons.Warning);
            yield return Icon(() => SystemIcons.WinLogo);
        }

        public static object[] Icon(Func<Icon> getIcon) => new object[] { getIcon };

        [ConditionalTheory(Helpers.IsDrawingSupported)]
        [MemberData(nameof(SystemIcons_TestData))]
        public void SystemIcons_Get_ReturnsExpected(Func<Icon> getIcon)
        {
            Icon icon = getIcon();
            Assert.Same(icon, getIcon());
        }

        public static IEnumerable<object[]> StockIcon_TestData
        {
            get
            {
                foreach (var value in Enum.GetValues<StockIconId>())
                {
                    yield return new object[] { value };
                }
            }
        }

        [Theory]
        [MemberData(nameof(StockIcon_TestData))]
        public void SystemIcons_GetStockIcon(StockIconId stockIcon)
        {
            using Icon icon = SystemIcons.GetStockIcon(stockIcon);
        }

        public static TheoryData<StockIconOptions> StockIconOptions_TestData => new()
        {
            StockIconOptions.LinkOverlay,
            StockIconOptions.Selected,
            StockIconOptions.ShellIconSize,
            StockIconOptions.SmallIcon,
            StockIconOptions.LinkOverlay | StockIconOptions.Selected | StockIconOptions.ShellIconSize | StockIconOptions.SmallIcon,
        };

        [Theory]
        [MemberData(nameof(StockIconOptions_TestData))]
        public void SystemIcons_GetStockIcon_Options(StockIconOptions options)
        {
            using Icon icon = SystemIcons.GetStockIcon(StockIconId.Shield, options);
        }
    }
}