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Calculating CRC32 with offsets and fast

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This commit is contained in:
chudov
2010-02-09 07:40:37 +00:00
parent f23ea0811b
commit 6d5e0602bd
9 changed files with 269 additions and 835 deletions
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8
CUETools/CUETools.TestCodecs/AccurateRipTest.cs
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@@ -86,6 +86,14 @@ namespace CUETools.TestCodecs
Crc32 crc32 = new Crc32();
uint crc1 = crc32.ComputeChecksum(0xffffffff, buff.Bytes, 0, buff.ByteLength) ^ 0xffffffff;
Assert.AreEqual<uint>(3856971150, crc1, "CRC32 was not set correctly.");
uint crc2 = crc32.ComputeChecksum(0, buff.Bytes, 0, buff.ByteLength);
uint crc3 = crc32.ComputeChecksum(0, buff.Bytes, 0, 7);
uint crc4 = crc32.ComputeChecksum(0, buff.Bytes, 7, buff.ByteLength - 7);
uint crc5 = crc32.Combine(crc3, crc4, buff.ByteLength - 7);
Assert.AreEqual<uint>(crc2, crc5, "CRC32 was not combined correctly.");
uint crc6 = crc2 ^ crc32.Combine(crc3, 0, buff.ByteLength - 7);
Assert.AreEqual<uint>(crc4, crc6, "CRC32 was not substracted correctly.");
Assert.AreEqual<uint>(3856971150, target.CRC32(0), "CRC32 was not set correctly.");
Assert.AreEqual<uint>(1921661108, target.CRCWONULL(0), "CRC32WONULL was not set correctly.");
}

6
CUETools/CUETools.TestCodecs/CUETools.TestCodecs.csproj
View File

@@ -3,7 +3,7 @@
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProductVersion>8.0.50727</ProductVersion>
<ProductVersion>9.0.30729</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{04945FB2-8410-4F14-8262-2ED18DCDACD6}</ProjectGuid>
<OutputType>Library</OutputType>
@@ -26,9 +26,9 @@
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<DebugSymbols>false</DebugSymbols>
<Optimize>true</Optimize>
<Optimize>false</Optimize>
<OutputPath>..\bin\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<DefineConstants>DEBUG;TRACE</DefineConstants>
</PropertyGroup>
<ItemGroup>
<Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />