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 // | 
 
 
 
 
 
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 // © Copyright Henrik Ravn 2004 | 
 
 
 
 
 
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 // | 
 
 
 
 
 
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 // Use, modification and distribution are subject to the Boost Software License, Version 1.0. | 
 
 
 
 
 
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 // (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | 
 
 
 
 
 
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 // | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 using System; | 
 
 
 
 
 
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 using System.Collections; | 
 
 
 
 
 
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 using System.IO; | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 // uncomment the define below to include unit tests | 
 
 
 
 
 
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 //#define nunit | 
 
 
 
 
 
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 #if nunit | 
 
 
 
 
 
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 using NUnit.Framework; | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 // Unit tests for the DotZLib class library | 
 
 
 
 
 
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 // ---------------------------------------- | 
 
 
 
 
 
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 // | 
 
 
 
 
 
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 // Use this with NUnit 2 from http://www.nunit.org | 
 
 
 
 
 
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 // | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 namespace DotZLibTests | 
 
 
 
 
 
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 { | 
 
 
 
 
 
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     using DotZLib; | 
 
 
 
 
 
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  | 
 
 
 
 
 
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     // helper methods | 
 
 
 
 
 
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     internal class Utils | 
 
 
 
 
 
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     { | 
 
 
 
 
 
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         public static bool byteArrEqual( byte[] lhs, byte[] rhs ) | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             if (lhs.Length != rhs.Length) | 
 
 
 
 
 
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                 return false; | 
 
 
 
 
 
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             for (int i = lhs.Length-1; i >= 0; --i) | 
 
 
 
 
 
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                 if (lhs[i] != rhs[i]) | 
 
 
 
 
 
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                     return false; | 
 
 
 
 
 
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             return true; | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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     } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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  | 
 
 
 
 
 
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     [TestFixture] | 
 
 
 
 
 
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     public class CircBufferTests | 
 
 
 
 
 
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     { | 
 
 
 
 
 
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         #region Circular buffer tests | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void SinglePutGet() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             CircularBuffer buf = new CircularBuffer(10); | 
 
 
 
 
 
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             Assert.AreEqual( 0, buf.Size ); | 
 
 
 
 
 
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             Assert.AreEqual( -1, buf.Get() ); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             Assert.IsTrue(buf.Put( 1 )); | 
 
 
 
 
 
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             Assert.AreEqual( 1, buf.Size ); | 
 
 
 
 
 
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             Assert.AreEqual( 1, buf.Get() ); | 
 
 
 
 
 
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             Assert.AreEqual( 0, buf.Size ); | 
 
 
 
 
 
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             Assert.AreEqual( -1, buf.Get() ); | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void BlockPutGet() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             CircularBuffer buf = new CircularBuffer(10); | 
 
 
 
 
 
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             byte[] arr = {1,2,3,4,5,6,7,8,9,10}; | 
 
 
 
 
 
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             Assert.AreEqual( 10, buf.Put(arr,0,10) ); | 
 
 
 
 
 
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             Assert.AreEqual( 10, buf.Size ); | 
 
 
 
 
 
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             Assert.IsFalse( buf.Put(11) ); | 
 
 
 
 
 
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             Assert.AreEqual( 1, buf.Get() ); | 
 
 
 
 
 
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             Assert.IsTrue( buf.Put(11) ); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             byte[] arr2 = (byte[])arr.Clone(); | 
 
 
 
 
 
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             Assert.AreEqual( 9, buf.Get(arr2,1,9) ); | 
 
 
 
 
 
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             Assert.IsTrue( Utils.byteArrEqual(arr,arr2) ); | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         #endregion | 
 
 
 
 
 
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     } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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     [TestFixture] | 
 
 
 
 
 
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     public class ChecksumTests | 
 
 
 
 
 
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     { | 
 
 
 
 
 
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         #region CRC32 Tests | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void CRC32_Null() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             CRC32Checksum crc32 = new CRC32Checksum(); | 
 
 
 
 
 
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             Assert.AreEqual( 0, crc32.Value ); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             crc32 = new CRC32Checksum(1); | 
 
 
 
 
 
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             Assert.AreEqual( 1, crc32.Value ); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             crc32 = new CRC32Checksum(556); | 
 
 
 
 
 
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             Assert.AreEqual( 556, crc32.Value ); | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void CRC32_Data() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             CRC32Checksum crc32 = new CRC32Checksum(); | 
 
 
 
 
 
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             byte[] data = { 1,2,3,4,5,6,7 }; | 
 
 
 
 
 
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             crc32.Update(data); | 
 
 
 
 
 
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             Assert.AreEqual( 0x70e46888, crc32.Value  ); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             crc32 = new CRC32Checksum(); | 
 
 
 
 
 
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             crc32.Update("penguin"); | 
 
 
 
 
 
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             Assert.AreEqual( 0x0e5c1a120, crc32.Value ); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             crc32 = new CRC32Checksum(1); | 
 
 
 
 
 
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             crc32.Update("penguin"); | 
 
 
 
 
 
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             Assert.AreEqual(0x43b6aa94, crc32.Value); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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         #endregion | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         #region Adler tests | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void Adler_Null() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             AdlerChecksum adler = new AdlerChecksum(); | 
 
 
 
 
 
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             Assert.AreEqual(0, adler.Value); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             adler = new AdlerChecksum(1); | 
 
 
 
 
 
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             Assert.AreEqual( 1, adler.Value ); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             adler = new AdlerChecksum(556); | 
 
 
 
 
 
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             Assert.AreEqual( 556, adler.Value ); | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void Adler_Data() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             AdlerChecksum adler = new AdlerChecksum(1); | 
 
 
 
 
 
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             byte[] data = { 1,2,3,4,5,6,7 }; | 
 
 
 
 
 
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             adler.Update(data); | 
 
 
 
 
 
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             Assert.AreEqual( 0x5b001d, adler.Value  ); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             adler = new AdlerChecksum(); | 
 
 
 
 
 
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             adler.Update("penguin"); | 
 
 
 
 
 
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             Assert.AreEqual(0x0bcf02f6, adler.Value ); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             adler = new AdlerChecksum(1); | 
 
 
 
 
 
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             adler.Update("penguin"); | 
 
 
 
 
 
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             Assert.AreEqual(0x0bd602f7, adler.Value); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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         #endregion | 
 
 
 
 
 
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     } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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     [TestFixture] | 
 
 
 
 
 
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     public class InfoTests | 
 
 
 
 
 
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     { | 
 
 
 
 
 
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         #region Info tests | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void Info_Version() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             Info info = new Info(); | 
 
 
 
 
 
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             Assert.AreEqual("1.2.8", Info.Version); | 
 
 
 
 
 
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             Assert.AreEqual(32, info.SizeOfUInt); | 
 
 
 
 
 
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             Assert.AreEqual(32, info.SizeOfULong); | 
 
 
 
 
 
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             Assert.AreEqual(32, info.SizeOfPointer); | 
 
 
 
 
 
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             Assert.AreEqual(32, info.SizeOfOffset); | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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         #endregion | 
 
 
 
 
 
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     } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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     [TestFixture] | 
 
 
 
 
 
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     public class DeflateInflateTests | 
 
 
 
 
 
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     { | 
 
 
 
 
 
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         #region Deflate tests | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void Deflate_Init() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             using (Deflater def = new Deflater(CompressLevel.Default)) | 
 
 
 
 
 
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             { | 
 
 
 
 
 
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             } | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         private ArrayList compressedData = new ArrayList(); | 
 
 
 
 
 
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         private uint adler1; | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         private ArrayList uncompressedData = new ArrayList(); | 
 
 
 
 
 
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         private uint adler2; | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         public void CDataAvail(byte[] data, int startIndex, int count) | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             for (int i = 0; i < count; ++i) | 
 
 
 
 
 
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                 compressedData.Add(data[i+startIndex]); | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void Deflate_Compress() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             compressedData.Clear(); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             byte[] testData = new byte[35000]; | 
 
 
 
 
 
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             for (int i = 0; i < testData.Length; ++i) | 
 
 
 
 
 
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                 testData[i] = 5; | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             using (Deflater def = new Deflater((CompressLevel)5)) | 
 
 
 
 
 
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             { | 
 
 
 
 
 
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                 def.DataAvailable += new DataAvailableHandler(CDataAvail); | 
 
 
 
 
 
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                 def.Add(testData); | 
 
 
 
 
 
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                 def.Finish(); | 
 
 
 
 
 
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                 adler1 = def.Checksum; | 
 
 
 
 
 
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             } | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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         #endregion | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         #region Inflate tests | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void Inflate_Init() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             using (Inflater inf = new Inflater()) | 
 
 
 
 
 
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             { | 
 
 
 
 
 
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             } | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         private void DDataAvail(byte[] data, int startIndex, int count) | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             for (int i = 0; i < count; ++i) | 
 
 
 
 
 
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                 uncompressedData.Add(data[i+startIndex]); | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void Inflate_Expand() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             uncompressedData.Clear(); | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             using (Inflater inf = new Inflater()) | 
 
 
 
 
 
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             { | 
 
 
 
 
 
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                 inf.DataAvailable += new DataAvailableHandler(DDataAvail); | 
 
 
 
 
 
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                 inf.Add((byte[])compressedData.ToArray(typeof(byte))); | 
 
 
 
 
 
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                 inf.Finish(); | 
 
 
 
 
 
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                 adler2 = inf.Checksum; | 
 
 
 
 
 
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             } | 
 
 
 
 
 
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             Assert.AreEqual( adler1, adler2 ); | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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         #endregion | 
 
 
 
 
 
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     } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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     [TestFixture] | 
 
 
 
 
 
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     public class GZipStreamTests | 
 
 
 
 
 
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     { | 
 
 
 
 
 
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         #region GZipStream test | 
 
 
 
 
 
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         [Test] | 
 
 
 
 
 
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         public void GZipStream_WriteRead() | 
 
 
 
 
 
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         { | 
 
 
 
 
 
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             using (GZipStream gzOut = new GZipStream("gzstream.gz", CompressLevel.Best)) | 
 
 
 
 
 
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             { | 
 
 
 
 
 
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                 BinaryWriter writer = new BinaryWriter(gzOut); | 
 
 
 
 
 
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                 writer.Write("hi there"); | 
 
 
 
 
 
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                 writer.Write(Math.PI); | 
 
 
 
 
 
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                 writer.Write(42); | 
 
 
 
 
 
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             } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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             using (GZipStream gzIn = new GZipStream("gzstream.gz")) | 
 
 
 
 
 
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             { | 
 
 
 
 
 
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                 BinaryReader reader = new BinaryReader(gzIn); | 
 
 
 
 
 
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                 string s = reader.ReadString(); | 
 
 
 
 
 
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                 Assert.AreEqual("hi there",s); | 
 
 
 
 
 
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                 double d = reader.ReadDouble(); | 
 
 
 
 
 
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                 Assert.AreEqual(Math.PI, d); | 
 
 
 
 
 
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                 int i = reader.ReadInt32(); | 
 
 
 
 
 
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                 Assert.AreEqual(42,i); | 
 
 
 
 
 
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             } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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         #endregion | 
 
 
 
 
 
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         } | 
 
 
 
 
 
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 } | 
 
 
 
 
 
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  | 
 
 
 
 
 
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 #endif |