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Additional tests for color transforms

pull/1824/head
Brian Popow 5 years ago
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  1. 92
      tests/ImageSharp.Tests/Formats/WebP/ColorSpaceTransformUtilsTests.cs

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tests/ImageSharp.Tests/Formats/WebP/ColorSpaceTransformUtilsTests.cs
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// Copyright (c) Six Labors.
// Licensed under the Apache License, Version 2.0.
using SixLabors.ImageSharp.Formats.Webp.Lossless;
using SixLabors.ImageSharp.Tests.TestUtilities;
using Xunit;
namespace SixLabors.ImageSharp.Tests.Formats.WebP
{
[Trait("Format", "Webp")]
public class ColorSpaceTransformUtilsTests
{
private static void RunCollectColorBlueTransformsTest()
{
uint[] pixelData =
{
3074, 256, 256, 256, 0, 65280, 65280, 65280, 256, 256, 0, 256, 0, 65280, 0, 65280, 16711680, 256,
256, 0, 65024, 0, 256, 256, 0, 65280, 0, 65280, 0, 256, 0, 256
};
int[] expectedOutput =
{
31, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
int[] histo = new int[256];
ColorSpaceTransformUtils.CollectColorBlueTransforms(pixelData, 0, 32, 1, 0, 0, histo);
Assert.Equal(expectedOutput, histo);
}
private static void RunCollectColorRedTransformsTest()
{
uint[] pixelData =
{
3074, 256, 256, 256, 0, 65280, 65280, 65280, 256, 256, 0, 256, 0, 65280, 0, 65280, 16711680, 256,
256, 0, 65024, 0, 256, 256, 0, 65280, 0, 65280, 0, 256, 0, 256
};
int[] expectedOutput =
{
31, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
};
int[] histo = new int[256];
ColorSpaceTransformUtils.CollectColorRedTransforms(pixelData, 0, 32, 1, 0, histo);
Assert.Equal(expectedOutput, histo);
}
[Fact]
public void CollectColorBlueTransforms_Works() => RunCollectColorBlueTransformsTest();
[Fact]
public void CollectColorRedTransforms_Works() => RunCollectColorRedTransformsTest();
#if SUPPORTS_RUNTIME_INTRINSICS
[Fact]
public void CollectColorBlueTransforms_WithHardwareIntrinsics_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunCollectColorBlueTransformsTest, HwIntrinsics.AllowAll);
[Fact]
public void CollectColorBlueTransforms_WithoutSSE41_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunCollectColorBlueTransformsTest, HwIntrinsics.DisableSSE41);
[Fact]
public void CollectColorBlueTransforms_WithoutAvx2_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunCollectColorBlueTransformsTest, HwIntrinsics.DisableAVX2);
[Fact]
public void CollectColorRedTransforms_WithHardwareIntrinsics_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunCollectColorRedTransformsTest, HwIntrinsics.AllowAll);
[Fact]
public void CollectColorRedTransforms_WithoutSSE41_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunCollectColorRedTransformsTest, HwIntrinsics.DisableSSE41);
[Fact]
public void CollectColorRedTransforms_WithoutAvx2_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunCollectColorRedTransformsTest, HwIntrinsics.DisableAVX2);
#endif
}
}
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