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41 lines
1.0 KiB
41 lines
1.0 KiB
// Copyright (c) Six Labors and contributors.
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// Licensed under the GNU Affero General Public License, Version 3.
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using System;
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using SixLabors.ImageSharp.Formats.Png.Zlib;
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using Xunit;
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using SharpAdler32 = ICSharpCode.SharpZipLib.Checksum.Adler32;
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namespace SixLabors.ImageSharp.Tests.Formats.Png
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{
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public class Adler32Tests
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{
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[Theory]
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[InlineData(0)]
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[InlineData(8)]
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[InlineData(215)]
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[InlineData(1024)]
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[InlineData(1024 + 15)]
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[InlineData(2034)]
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[InlineData(4096)]
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public void MatchesReference(int length)
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{
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var data = GetBuffer(length);
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var adler = new SharpAdler32();
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adler.Update(data);
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long expected = adler.Value;
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long actual = Adler32.Calculate(data);
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Assert.Equal(expected, actual);
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}
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private static byte[] GetBuffer(int length)
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{
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var data = new byte[length];
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new Random(1).NextBytes(data);
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return data;
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}
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}
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}
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