| 1 | // | 
 
 
 
 
 | 2 | // © Copyright Henrik Ravn 2004 | 
 
 
 
 
 | 3 | // | 
 
 
 
 
 | 4 | // Use, modification and distribution are subject to the Boost Software License, Version 1.0. | 
 
 
 
 
 | 5 | // (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | 
 
 
 
 
 | 6 | // | 
 
 
 
 
 | 7 |  | 
 
 
 
 
 | 8 | using System; | 
 
 
 
 
 | 9 | using System.Collections; | 
 
 
 
 
 | 10 | using System.IO; | 
 
 
 
 
 | 11 |  | 
 
 
 
 
 | 12 | // uncomment the define below to include unit tests | 
 
 
 
 
 | 13 | //#define nunit | 
 
 
 
 
 | 14 | #if nunit | 
 
 
 
 
 | 15 | using NUnit.Framework; | 
 
 
 
 
 | 16 |  | 
 
 
 
 
 | 17 | // Unit tests for the DotZLib class library | 
 
 
 
 
 | 18 | // ---------------------------------------- | 
 
 
 
 
 | 19 | // | 
 
 
 
 
 | 20 | // Use this with NUnit 2 from http://www.nunit.org | 
 
 
 
 
 | 21 | // | 
 
 
 
 
 | 22 |  | 
 
 
 
 
 | 23 | namespace DotZLibTests | 
 
 
 
 
 | 24 | { | 
 
 
 
 
 | 25 | using DotZLib; | 
 
 
 
 
 | 26 |  | 
 
 
 
 
 | 27 | // helper methods | 
 
 
 
 
 | 28 | internal class Utils | 
 
 
 
 
 | 29 | { | 
 
 
 
 
 | 30 | public static bool byteArrEqual( byte[] lhs, byte[] rhs ) | 
 
 
 
 
 | 31 | { | 
 
 
 
 
 | 32 | if (lhs.Length != rhs.Length) | 
 
 
 
 
 | 33 | return false; | 
 
 
 
 
 | 34 | for (int i = lhs.Length-1; i >= 0; --i) | 
 
 
 
 
 | 35 | if (lhs[i] != rhs[i]) | 
 
 
 
 
 | 36 | return false; | 
 
 
 
 
 | 37 | return true; | 
 
 
 
 
 | 38 | } | 
 
 
 
 
 | 39 |  | 
 
 
 
 
 | 40 | } | 
 
 
 
 
 | 41 |  | 
 
 
 
 
 | 42 |  | 
 
 
 
 
 | 43 | [TestFixture] | 
 
 
 
 
 | 44 | public class CircBufferTests | 
 
 
 
 
 | 45 | { | 
 
 
 
 
 | 46 | #region Circular buffer tests | 
 
 
 
 
 | 47 | [Test] | 
 
 
 
 
 | 48 | public void SinglePutGet() | 
 
 
 
 
 | 49 | { | 
 
 
 
 
 | 50 | CircularBuffer buf = new CircularBuffer(10); | 
 
 
 
 
 | 51 | Assert.AreEqual( 0, buf.Size ); | 
 
 
 
 
 | 52 | Assert.AreEqual( -1, buf.Get() ); | 
 
 
 
 
 | 53 |  | 
 
 
 
 
 | 54 | Assert.IsTrue(buf.Put( 1 )); | 
 
 
 
 
 | 55 | Assert.AreEqual( 1, buf.Size ); | 
 
 
 
 
 | 56 | Assert.AreEqual( 1, buf.Get() ); | 
 
 
 
 
 | 57 | Assert.AreEqual( 0, buf.Size ); | 
 
 
 
 
 | 58 | Assert.AreEqual( -1, buf.Get() ); | 
 
 
 
 
 | 59 | } | 
 
 
 
 
 | 60 |  | 
 
 
 
 
 | 61 | [Test] | 
 
 
 
 
 | 62 | public void BlockPutGet() | 
 
 
 
 
 | 63 | { | 
 
 
 
 
 | 64 | CircularBuffer buf = new CircularBuffer(10); | 
 
 
 
 
 | 65 | byte[] arr = {1,2,3,4,5,6,7,8,9,10}; | 
 
 
 
 
 | 66 | Assert.AreEqual( 10, buf.Put(arr,0,10) ); | 
 
 
 
 
 | 67 | Assert.AreEqual( 10, buf.Size ); | 
 
 
 
 
 | 68 | Assert.IsFalse( buf.Put(11) ); | 
 
 
 
 
 | 69 | Assert.AreEqual( 1, buf.Get() ); | 
 
 
 
 
 | 70 | Assert.IsTrue( buf.Put(11) ); | 
 
 
 
 
 | 71 |  | 
 
 
 
 
 | 72 | byte[] arr2 = (byte[])arr.Clone(); | 
 
 
 
 
 | 73 | Assert.AreEqual( 9, buf.Get(arr2,1,9) ); | 
 
 
 
 
 | 74 | Assert.IsTrue( Utils.byteArrEqual(arr,arr2) ); | 
 
 
 
 
 | 75 | } | 
 
 
 
 
 | 76 |  | 
 
 
 
 
 | 77 | #endregion | 
 
 
 
 
 | 78 | } | 
 
 
 
 
 | 79 |  | 
 
 
 
 
 | 80 | [TestFixture] | 
 
 
 
 
 | 81 | public class ChecksumTests | 
 
 
 
 
 | 82 | { | 
 
 
 
 
 | 83 | #region CRC32 Tests | 
 
 
 
 
 | 84 | [Test] | 
 
 
 
 
 | 85 | public void CRC32_Null() | 
 
 
 
 
 | 86 | { | 
 
 
 
 
 | 87 | CRC32Checksum crc32 = new CRC32Checksum(); | 
 
 
 
 
 | 88 | Assert.AreEqual( 0, crc32.Value ); | 
 
 
 
 
 | 89 |  | 
 
 
 
 
 | 90 | crc32 = new CRC32Checksum(1); | 
 
 
 
 
 | 91 | Assert.AreEqual( 1, crc32.Value ); | 
 
 
 
 
 | 92 |  | 
 
 
 
 
 | 93 | crc32 = new CRC32Checksum(556); | 
 
 
 
 
 | 94 | Assert.AreEqual( 556, crc32.Value ); | 
 
 
 
 
 | 95 | } | 
 
 
 
 
 | 96 |  | 
 
 
 
 
 | 97 | [Test] | 
 
 
 
 
 | 98 | public void CRC32_Data() | 
 
 
 
 
 | 99 | { | 
 
 
 
 
 | 100 | CRC32Checksum crc32 = new CRC32Checksum(); | 
 
 
 
 
 | 101 | byte[] data = { 1,2,3,4,5,6,7 }; | 
 
 
 
 
 | 102 | crc32.Update(data); | 
 
 
 
 
 | 103 | Assert.AreEqual( 0x70e46888, crc32.Value  ); | 
 
 
 
 
 | 104 |  | 
 
 
 
 
 | 105 | crc32 = new CRC32Checksum(); | 
 
 
 
 
 | 106 | crc32.Update("penguin"); | 
 
 
 
 
 | 107 | Assert.AreEqual( 0x0e5c1a120, crc32.Value ); | 
 
 
 
 
 | 108 |  | 
 
 
 
 
 | 109 | crc32 = new CRC32Checksum(1); | 
 
 
 
 
 | 110 | crc32.Update("penguin"); | 
 
 
 
 
 | 111 | Assert.AreEqual(0x43b6aa94, crc32.Value); | 
 
 
 
 
 | 112 |  | 
 
 
 
 
 | 113 | } | 
 
 
 
 
 | 114 | #endregion | 
 
 
 
 
 | 115 |  | 
 
 
 
 
 | 116 | #region Adler tests | 
 
 
 
 
 | 117 |  | 
 
 
 
 
 | 118 | [Test] | 
 
 
 
 
 | 119 | public void Adler_Null() | 
 
 
 
 
 | 120 | { | 
 
 
 
 
 | 121 | AdlerChecksum adler = new AdlerChecksum(); | 
 
 
 
 
 | 122 | Assert.AreEqual(0, adler.Value); | 
 
 
 
 
 | 123 |  | 
 
 
 
 
 | 124 | adler = new AdlerChecksum(1); | 
 
 
 
 
 | 125 | Assert.AreEqual( 1, adler.Value ); | 
 
 
 
 
 | 126 |  | 
 
 
 
 
 | 127 | adler = new AdlerChecksum(556); | 
 
 
 
 
 | 128 | Assert.AreEqual( 556, adler.Value ); | 
 
 
 
 
 | 129 | } | 
 
 
 
 
 | 130 |  | 
 
 
 
 
 | 131 | [Test] | 
 
 
 
 
 | 132 | public void Adler_Data() | 
 
 
 
 
 | 133 | { | 
 
 
 
 
 | 134 | AdlerChecksum adler = new AdlerChecksum(1); | 
 
 
 
 
 | 135 | byte[] data = { 1,2,3,4,5,6,7 }; | 
 
 
 
 
 | 136 | adler.Update(data); | 
 
 
 
 
 | 137 | Assert.AreEqual( 0x5b001d, adler.Value  ); | 
 
 
 
 
 | 138 |  | 
 
 
 
 
 | 139 | adler = new AdlerChecksum(); | 
 
 
 
 
 | 140 | adler.Update("penguin"); | 
 
 
 
 
 | 141 | Assert.AreEqual(0x0bcf02f6, adler.Value ); | 
 
 
 
 
 | 142 |  | 
 
 
 
 
 | 143 | adler = new AdlerChecksum(1); | 
 
 
 
 
 | 144 | adler.Update("penguin"); | 
 
 
 
 
 | 145 | Assert.AreEqual(0x0bd602f7, adler.Value); | 
 
 
 
 
 | 146 |  | 
 
 
 
 
 | 147 | } | 
 
 
 
 
 | 148 | #endregion | 
 
 
 
 
 | 149 | } | 
 
 
 
 
 | 150 |  | 
 
 
 
 
 | 151 | [TestFixture] | 
 
 
 
 
 | 152 | public class InfoTests | 
 
 
 
 
 | 153 | { | 
 
 
 
 
 | 154 | #region Info tests | 
 
 
 
 
 | 155 | [Test] | 
 
 
 
 
 | 156 | public void Info_Version() | 
 
 
 
 
 | 157 | { | 
 
 
 
 
 | 158 | Info info = new Info(); | 
 
 
 
 
 | 159 | Assert.AreEqual("1.2.8", Info.Version); | 
 
 
 
 
 | 160 | Assert.AreEqual(32, info.SizeOfUInt); | 
 
 
 
 
 | 161 | Assert.AreEqual(32, info.SizeOfULong); | 
 
 
 
 
 | 162 | Assert.AreEqual(32, info.SizeOfPointer); | 
 
 
 
 
 | 163 | Assert.AreEqual(32, info.SizeOfOffset); | 
 
 
 
 
 | 164 | } | 
 
 
 
 
 | 165 | #endregion | 
 
 
 
 
 | 166 | } | 
 
 
 
 
 | 167 |  | 
 
 
 
 
 | 168 | [TestFixture] | 
 
 
 
 
 | 169 | public class DeflateInflateTests | 
 
 
 
 
 | 170 | { | 
 
 
 
 
 | 171 | #region Deflate tests | 
 
 
 
 
 | 172 | [Test] | 
 
 
 
 
 | 173 | public void Deflate_Init() | 
 
 
 
 
 | 174 | { | 
 
 
 
 
 | 175 | using (Deflater def = new Deflater(CompressLevel.Default)) | 
 
 
 
 
 | 176 | { | 
 
 
 
 
 | 177 | } | 
 
 
 
 
 | 178 | } | 
 
 
 
 
 | 179 |  | 
 
 
 
 
 | 180 | private ArrayList compressedData = new ArrayList(); | 
 
 
 
 
 | 181 | private uint adler1; | 
 
 
 
 
 | 182 |  | 
 
 
 
 
 | 183 | private ArrayList uncompressedData = new ArrayList(); | 
 
 
 
 
 | 184 | private uint adler2; | 
 
 
 
 
 | 185 |  | 
 
 
 
 
 | 186 | public void CDataAvail(byte[] data, int startIndex, int count) | 
 
 
 
 
 | 187 | { | 
 
 
 
 
 | 188 | for (int i = 0; i < count; ++i) | 
 
 
 
 
 | 189 | compressedData.Add(data[i+startIndex]); | 
 
 
 
 
 | 190 | } | 
 
 
 
 
 | 191 |  | 
 
 
 
 
 | 192 | [Test] | 
 
 
 
 
 | 193 | public void Deflate_Compress() | 
 
 
 
 
 | 194 | { | 
 
 
 
 
 | 195 | compressedData.Clear(); | 
 
 
 
 
 | 196 |  | 
 
 
 
 
 | 197 | byte[] testData = new byte[35000]; | 
 
 
 
 
 | 198 | for (int i = 0; i < testData.Length; ++i) | 
 
 
 
 
 | 199 | testData[i] = 5; | 
 
 
 
 
 | 200 |  | 
 
 
 
 
 | 201 | using (Deflater def = new Deflater((CompressLevel)5)) | 
 
 
 
 
 | 202 | { | 
 
 
 
 
 | 203 | def.DataAvailable += new DataAvailableHandler(CDataAvail); | 
 
 
 
 
 | 204 | def.Add(testData); | 
 
 
 
 
 | 205 | def.Finish(); | 
 
 
 
 
 | 206 | adler1 = def.Checksum; | 
 
 
 
 
 | 207 | } | 
 
 
 
 
 | 208 | } | 
 
 
 
 
 | 209 | #endregion | 
 
 
 
 
 | 210 |  | 
 
 
 
 
 | 211 | #region Inflate tests | 
 
 
 
 
 | 212 | [Test] | 
 
 
 
 
 | 213 | public void Inflate_Init() | 
 
 
 
 
 | 214 | { | 
 
 
 
 
 | 215 | using (Inflater inf = new Inflater()) | 
 
 
 
 
 | 216 | { | 
 
 
 
 
 | 217 | } | 
 
 
 
 
 | 218 | } | 
 
 
 
 
 | 219 |  | 
 
 
 
 
 | 220 | private void DDataAvail(byte[] data, int startIndex, int count) | 
 
 
 
 
 | 221 | { | 
 
 
 
 
 | 222 | for (int i = 0; i < count; ++i) | 
 
 
 
 
 | 223 | uncompressedData.Add(data[i+startIndex]); | 
 
 
 
 
 | 224 | } | 
 
 
 
 
 | 225 |  | 
 
 
 
 
 | 226 | [Test] | 
 
 
 
 
 | 227 | public void Inflate_Expand() | 
 
 
 
 
 | 228 | { | 
 
 
 
 
 | 229 | uncompressedData.Clear(); | 
 
 
 
 
 | 230 |  | 
 
 
 
 
 | 231 | using (Inflater inf = new Inflater()) | 
 
 
 
 
 | 232 | { | 
 
 
 
 
 | 233 | inf.DataAvailable += new DataAvailableHandler(DDataAvail); | 
 
 
 
 
 | 234 | inf.Add((byte[])compressedData.ToArray(typeof(byte))); | 
 
 
 
 
 | 235 | inf.Finish(); | 
 
 
 
 
 | 236 | adler2 = inf.Checksum; | 
 
 
 
 
 | 237 | } | 
 
 
 
 
 | 238 | Assert.AreEqual( adler1, adler2 ); | 
 
 
 
 
 | 239 | } | 
 
 
 
 
 | 240 | #endregion | 
 
 
 
 
 | 241 | } | 
 
 
 
 
 | 242 |  | 
 
 
 
 
 | 243 | [TestFixture] | 
 
 
 
 
 | 244 | public class GZipStreamTests | 
 
 
 
 
 | 245 | { | 
 
 
 
 
 | 246 | #region GZipStream test | 
 
 
 
 
 | 247 | [Test] | 
 
 
 
 
 | 248 | public void GZipStream_WriteRead() | 
 
 
 
 
 | 249 | { | 
 
 
 
 
 | 250 | using (GZipStream gzOut = new GZipStream("gzstream.gz", CompressLevel.Best)) | 
 
 
 
 
 | 251 | { | 
 
 
 
 
 | 252 | BinaryWriter writer = new BinaryWriter(gzOut); | 
 
 
 
 
 | 253 | writer.Write("hi there"); | 
 
 
 
 
 | 254 | writer.Write(Math.PI); | 
 
 
 
 
 | 255 | writer.Write(42); | 
 
 
 
 
 | 256 | } | 
 
 
 
 
 | 257 |  | 
 
 
 
 
 | 258 | using (GZipStream gzIn = new GZipStream("gzstream.gz")) | 
 
 
 
 
 | 259 | { | 
 
 
 
 
 | 260 | BinaryReader reader = new BinaryReader(gzIn); | 
 
 
 
 
 | 261 | string s = reader.ReadString(); | 
 
 
 
 
 | 262 | Assert.AreEqual("hi there",s); | 
 
 
 
 
 | 263 | double d = reader.ReadDouble(); | 
 
 
 
 
 | 264 | Assert.AreEqual(Math.PI, d); | 
 
 
 
 
 | 265 | int i = reader.ReadInt32(); | 
 
 
 
 
 | 266 | Assert.AreEqual(42,i); | 
 
 
 
 
 | 267 | } | 
 
 
 
 
 | 268 |  | 
 
 
 
 
 | 269 | } | 
 
 
 
 
 | 270 | #endregion | 
 
 
 
 
 | 271 | } | 
 
 
 
 
 | 272 | } | 
 
 
 
 
 | 273 |  | 
 
 
 
 
 | 274 | #endif |