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57 lines
2.7 KiB
57 lines
2.7 KiB
// Copyright (c) Six Labors.
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// Licensed under the Apache License, Version 2.0.
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using System.Linq;
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using SixLabors.ImageSharp.Formats.Webp.Lossy;
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using SixLabors.ImageSharp.Tests.TestUtilities;
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using Xunit;
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namespace SixLabors.ImageSharp.Tests.Formats.WebP
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{
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[Trait("Format", "Webp")]
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public class Vp8EncodingTests
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{
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private static void RunInverseTransformTest()
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{
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// arrange
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byte[] reference =
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{
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128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 129, 129, 129, 129,
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129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 128, 128, 128, 128, 128, 128, 128, 128,
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128, 128, 128, 128, 128, 128, 128, 128, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129,
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129, 129, 129, 129, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
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129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 128, 128, 128, 128,
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128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 129, 129, 129, 129, 129, 129, 129, 129,
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129, 129, 129, 129, 129, 129, 129, 129
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};
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short[] input = { 177, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 177, -24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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byte[] dst = new byte[128];
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byte[] expected =
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{
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150, 150, 150, 150, 146, 149, 152, 154, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 150, 150, 150, 150, 146, 149, 152, 154, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 150, 150, 150, 150, 146, 149, 152, 154, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 150, 150, 150, 150, 146, 149, 152, 154, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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int[] scratch = new int[16];
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// act
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Vp8Encoding.ITransform(reference, input, dst, true, scratch);
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// assert
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Assert.True(dst.SequenceEqual(expected));
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}
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[Fact]
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public void InverseTransform_Works() => RunInverseTransformTest();
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#if SUPPORTS_RUNTIME_INTRINSICS
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[Fact]
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public void InverseTransform_WithHardwareIntrinsics_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunInverseTransformTest, HwIntrinsics.AllowAll);
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[Fact]
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public void InverseTransform_WithoutHardwareIntrinsics_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunInverseTransformTest, HwIntrinsics.DisableHWIntrinsic);
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#endif
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}
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}
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