// | |
// © Copyright Henrik Ravn 2004 | |
// | |
// Use, modification and distribution are subject to the Boost Software License, Version 1.0. | |
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
// | |
using System; | |
using System.Collections; | |
using System.IO; | |
// uncomment the define below to include unit tests | |
//#define nunit | |
#if nunit | |
using NUnit.Framework; | |
// Unit tests for the DotZLib class library | |
// ---------------------------------------- | |
// | |
// Use this with NUnit 2 from http://www.nunit.org | |
// | |
namespace DotZLibTests | |
{ | |
using DotZLib; | |
// helper methods | |
internal class Utils | |
{ | |
public static bool byteArrEqual( byte[] lhs, byte[] rhs ) | |
{ | |
if (lhs.Length != rhs.Length) | |
return false; | |
for (int i = lhs.Length-1; i >= 0; --i) | |
if (lhs[i] != rhs[i]) | |
return false; | |
return true; | |
} | |
} | |
[TestFixture] | |
public class CircBufferTests | |
{ | |
#region Circular buffer tests | |
[Test] | |
public void SinglePutGet() | |
{ | |
CircularBuffer buf = new CircularBuffer(10); | |
Assert.AreEqual( 0, buf.Size ); | |
Assert.AreEqual( -1, buf.Get() ); | |
Assert.IsTrue(buf.Put( 1 )); | |
Assert.AreEqual( 1, buf.Size ); | |
Assert.AreEqual( 1, buf.Get() ); | |
Assert.AreEqual( 0, buf.Size ); | |
Assert.AreEqual( -1, buf.Get() ); | |
} | |
[Test] | |
public void BlockPutGet() | |
{ | |
CircularBuffer buf = new CircularBuffer(10); | |
byte[] arr = {1,2,3,4,5,6,7,8,9,10}; | |
Assert.AreEqual( 10, buf.Put(arr,0,10) ); | |
Assert.AreEqual( 10, buf.Size ); | |
Assert.IsFalse( buf.Put(11) ); | |
Assert.AreEqual( 1, buf.Get() ); | |
Assert.IsTrue( buf.Put(11) ); | |
byte[] arr2 = (byte[])arr.Clone(); | |
Assert.AreEqual( 9, buf.Get(arr2,1,9) ); | |
Assert.IsTrue( Utils.byteArrEqual(arr,arr2) ); | |
} | |
#endregion | |
} | |
[TestFixture] | |
public class ChecksumTests | |
{ | |
#region CRC32 Tests | |
[Test] | |
public void CRC32_Null() | |
{ | |
CRC32Checksum crc32 = new CRC32Checksum(); | |
Assert.AreEqual( 0, crc32.Value ); | |
crc32 = new CRC32Checksum(1); | |
Assert.AreEqual( 1, crc32.Value ); | |
crc32 = new CRC32Checksum(556); | |
Assert.AreEqual( 556, crc32.Value ); | |
} | |
[Test] | |
public void CRC32_Data() | |
{ | |
CRC32Checksum crc32 = new CRC32Checksum(); | |
byte[] data = { 1,2,3,4,5,6,7 }; | |
crc32.Update(data); | |
Assert.AreEqual( 0x70e46888, crc32.Value ); | |
crc32 = new CRC32Checksum(); | |
crc32.Update("penguin"); | |
Assert.AreEqual( 0x0e5c1a120, crc32.Value ); | |
crc32 = new CRC32Checksum(1); | |
crc32.Update("penguin"); | |
Assert.AreEqual(0x43b6aa94, crc32.Value); | |
} | |
#endregion | |
#region Adler tests | |
[Test] | |
public void Adler_Null() | |
{ | |
AdlerChecksum adler = new AdlerChecksum(); | |
Assert.AreEqual(0, adler.Value); | |
adler = new AdlerChecksum(1); | |
Assert.AreEqual( 1, adler.Value ); | |
adler = new AdlerChecksum(556); | |
Assert.AreEqual( 556, adler.Value ); | |
} | |
[Test] | |
public void Adler_Data() | |
{ | |
AdlerChecksum adler = new AdlerChecksum(1); | |
byte[] data = { 1,2,3,4,5,6,7 }; | |
adler.Update(data); | |
Assert.AreEqual( 0x5b001d, adler.Value ); | |
adler = new AdlerChecksum(); | |
adler.Update("penguin"); | |
Assert.AreEqual(0x0bcf02f6, adler.Value ); | |
adler = new AdlerChecksum(1); | |
adler.Update("penguin"); | |
Assert.AreEqual(0x0bd602f7, adler.Value); | |
} | |
#endregion | |
} | |
[TestFixture] | |
public class InfoTests | |
{ | |
#region Info tests | |
[Test] | |
public void Info_Version() | |
{ | |
Info info = new Info(); | |
Assert.AreEqual("1.2.6", Info.Version); | |
Assert.AreEqual(32, info.SizeOfUInt); | |
Assert.AreEqual(32, info.SizeOfULong); | |
Assert.AreEqual(32, info.SizeOfPointer); | |
Assert.AreEqual(32, info.SizeOfOffset); | |
} | |
#endregion | |
} | |
[TestFixture] | |
public class DeflateInflateTests | |
{ | |
#region Deflate tests | |
[Test] | |
public void Deflate_Init() | |
{ | |
using (Deflater def = new Deflater(CompressLevel.Default)) | |
{ | |
} | |
} | |
private ArrayList compressedData = new ArrayList(); | |
private uint adler1; | |
private ArrayList uncompressedData = new ArrayList(); | |
private uint adler2; | |
public void CDataAvail(byte[] data, int startIndex, int count) | |
{ | |
for (int i = 0; i < count; ++i) | |
compressedData.Add(data[i+startIndex]); | |
} | |
[Test] | |
public void Deflate_Compress() | |
{ | |
compressedData.Clear(); | |
byte[] testData = new byte[35000]; | |
for (int i = 0; i < testData.Length; ++i) | |
testData[i] = 5; | |
using (Deflater def = new Deflater((CompressLevel)5)) | |
{ | |
def.DataAvailable += new DataAvailableHandler(CDataAvail); | |
def.Add(testData); | |
def.Finish(); | |
adler1 = def.Checksum; | |
} | |
} | |
#endregion | |
#region Inflate tests | |
[Test] | |
public void Inflate_Init() | |
{ | |
using (Inflater inf = new Inflater()) | |
{ | |
} | |
} | |
private void DDataAvail(byte[] data, int startIndex, int count) | |
{ | |
for (int i = 0; i < count; ++i) | |
uncompressedData.Add(data[i+startIndex]); | |
} | |
[Test] | |
public void Inflate_Expand() | |
{ | |
uncompressedData.Clear(); | |
using (Inflater inf = new Inflater()) | |
{ | |
inf.DataAvailable += new DataAvailableHandler(DDataAvail); | |
inf.Add((byte[])compressedData.ToArray(typeof(byte))); | |
inf.Finish(); | |
adler2 = inf.Checksum; | |
} | |
Assert.AreEqual( adler1, adler2 ); | |
} | |
#endregion | |
} | |
[TestFixture] | |
public class GZipStreamTests | |
{ | |
#region GZipStream test | |
[Test] | |
public void GZipStream_WriteRead() | |
{ | |
using (GZipStream gzOut = new GZipStream("gzstream.gz", CompressLevel.Best)) | |
{ | |
BinaryWriter writer = new BinaryWriter(gzOut); | |
writer.Write("hi there"); | |
writer.Write(Math.PI); | |
writer.Write(42); | |
} | |
using (GZipStream gzIn = new GZipStream("gzstream.gz")) | |
{ | |
BinaryReader reader = new BinaryReader(gzIn); | |
string s = reader.ReadString(); | |
Assert.AreEqual("hi there",s); | |
double d = reader.ReadDouble(); | |
Assert.AreEqual(Math.PI, d); | |
int i = reader.ReadInt32(); | |
Assert.AreEqual(42,i); | |
} | |
} | |
#endregion | |
} | |
} | |
#endif |