ImageSharp/tests/ImageSharp.Tests/Processing/Processors/Transforms/EntropyCropTest.cs

// Copyright (c) Six Labors and contributors.
// Licensed under the Apache License, Version 2.0.

using System;
using SixLabors.ImageSharp.PixelFormats;
using SixLabors.ImageSharp.Processing;
using Xunit;

namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
{
    [GroupOutput("Transforms")]
    public class EntropyCropTest
    {
        public static readonly TheoryData<float> EntropyCropValues = new TheoryData<float> { .25F, .75F };

        public static readonly string[] InputImages =
            {
                TestImages.Png.Ducky,
                TestImages.Jpeg.Baseline.Jpeg400,
                TestImages.Jpeg.Baseline.MultiScanBaselineCMYK
            };

        [Theory]
        [WithFileCollection(nameof(InputImages), nameof(EntropyCropValues), PixelTypes.Rgba32)]
        public void EntropyCrop<TPixel>(TestImageProvider<TPixel> provider, float value)
            where TPixel : unmanaged, IPixel<TPixel>
        {
            // The result dimensions of EntropyCrop may differ on .NET Core 3.1 because of unstable edge detection results.
            // TODO: Re-enable this test case if we manage to improve stability.
#if SUPPORTS_RUNTIME_INTRINSICS
            if (provider.SourceFileOrDescription.Contains(TestImages.Png.Ducky))
            {
                return;
            }
#endif

            provider.RunValidatingProcessorTest(x => x.EntropyCrop(value), value, appendPixelTypeToFileName: false);
        }
    }
}