9e052883 |
1 | //\r |
2 | // © Copyright Henrik Ravn 2004\r |
3 | //\r |
4 | // Use, modification and distribution are subject to the Boost Software License, Version 1.0.\r |
5 | // (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\r |
6 | //\r |
7 | \r |
8 | using System;\r |
9 | using System.Collections;\r |
10 | using System.IO;\r |
11 | \r |
12 | // uncomment the define below to include unit tests\r |
13 | //#define nunit\r |
14 | #if nunit\r |
15 | using NUnit.Framework;\r |
16 | \r |
17 | // Unit tests for the DotZLib class library\r |
18 | // ----------------------------------------\r |
19 | //\r |
20 | // Use this with NUnit 2 from http://www.nunit.org\r |
21 | //\r |
22 | \r |
23 | namespace DotZLibTests\r |
24 | {\r |
25 | using DotZLib;\r |
26 | \r |
27 | // helper methods\r |
28 | internal class Utils\r |
29 | {\r |
30 | public static bool byteArrEqual( byte[] lhs, byte[] rhs )\r |
31 | {\r |
32 | if (lhs.Length != rhs.Length)\r |
33 | return false;\r |
34 | for (int i = lhs.Length-1; i >= 0; --i)\r |
35 | if (lhs[i] != rhs[i])\r |
36 | return false;\r |
37 | return true;\r |
38 | }\r |
39 | \r |
40 | }\r |
41 | \r |
42 | \r |
43 | [TestFixture]\r |
44 | public class CircBufferTests\r |
45 | {\r |
46 | #region Circular buffer tests\r |
47 | [Test]\r |
48 | public void SinglePutGet()\r |
49 | {\r |
50 | CircularBuffer buf = new CircularBuffer(10);\r |
51 | Assert.AreEqual( 0, buf.Size );\r |
52 | Assert.AreEqual( -1, buf.Get() );\r |
53 | \r |
54 | Assert.IsTrue(buf.Put( 1 ));\r |
55 | Assert.AreEqual( 1, buf.Size );\r |
56 | Assert.AreEqual( 1, buf.Get() );\r |
57 | Assert.AreEqual( 0, buf.Size );\r |
58 | Assert.AreEqual( -1, buf.Get() );\r |
59 | }\r |
60 | \r |
61 | [Test]\r |
62 | public void BlockPutGet()\r |
63 | {\r |
64 | CircularBuffer buf = new CircularBuffer(10);\r |
65 | byte[] arr = {1,2,3,4,5,6,7,8,9,10};\r |
66 | Assert.AreEqual( 10, buf.Put(arr,0,10) );\r |
67 | Assert.AreEqual( 10, buf.Size );\r |
68 | Assert.IsFalse( buf.Put(11) );\r |
69 | Assert.AreEqual( 1, buf.Get() );\r |
70 | Assert.IsTrue( buf.Put(11) );\r |
71 | \r |
72 | byte[] arr2 = (byte[])arr.Clone();\r |
73 | Assert.AreEqual( 9, buf.Get(arr2,1,9) );\r |
74 | Assert.IsTrue( Utils.byteArrEqual(arr,arr2) );\r |
75 | }\r |
76 | \r |
77 | #endregion\r |
78 | }\r |
79 | \r |
80 | [TestFixture]\r |
81 | public class ChecksumTests\r |
82 | {\r |
83 | #region CRC32 Tests\r |
84 | [Test]\r |
85 | public void CRC32_Null()\r |
86 | {\r |
87 | CRC32Checksum crc32 = new CRC32Checksum();\r |
88 | Assert.AreEqual( 0, crc32.Value );\r |
89 | \r |
90 | crc32 = new CRC32Checksum(1);\r |
91 | Assert.AreEqual( 1, crc32.Value );\r |
92 | \r |
93 | crc32 = new CRC32Checksum(556);\r |
94 | Assert.AreEqual( 556, crc32.Value );\r |
95 | }\r |
96 | \r |
97 | [Test]\r |
98 | public void CRC32_Data()\r |
99 | {\r |
100 | CRC32Checksum crc32 = new CRC32Checksum();\r |
101 | byte[] data = { 1,2,3,4,5,6,7 };\r |
102 | crc32.Update(data);\r |
103 | Assert.AreEqual( 0x70e46888, crc32.Value );\r |
104 | \r |
105 | crc32 = new CRC32Checksum();\r |
106 | crc32.Update("penguin");\r |
107 | Assert.AreEqual( 0x0e5c1a120, crc32.Value );\r |
108 | \r |
109 | crc32 = new CRC32Checksum(1);\r |
110 | crc32.Update("penguin");\r |
111 | Assert.AreEqual(0x43b6aa94, crc32.Value);\r |
112 | \r |
113 | }\r |
114 | #endregion\r |
115 | \r |
116 | #region Adler tests\r |
117 | \r |
118 | [Test]\r |
119 | public void Adler_Null()\r |
120 | {\r |
121 | AdlerChecksum adler = new AdlerChecksum();\r |
122 | Assert.AreEqual(0, adler.Value);\r |
123 | \r |
124 | adler = new AdlerChecksum(1);\r |
125 | Assert.AreEqual( 1, adler.Value );\r |
126 | \r |
127 | adler = new AdlerChecksum(556);\r |
128 | Assert.AreEqual( 556, adler.Value );\r |
129 | }\r |
130 | \r |
131 | [Test]\r |
132 | public void Adler_Data()\r |
133 | {\r |
134 | AdlerChecksum adler = new AdlerChecksum(1);\r |
135 | byte[] data = { 1,2,3,4,5,6,7 };\r |
136 | adler.Update(data);\r |
137 | Assert.AreEqual( 0x5b001d, adler.Value );\r |
138 | \r |
139 | adler = new AdlerChecksum();\r |
140 | adler.Update("penguin");\r |
141 | Assert.AreEqual(0x0bcf02f6, adler.Value );\r |
142 | \r |
143 | adler = new AdlerChecksum(1);\r |
144 | adler.Update("penguin");\r |
145 | Assert.AreEqual(0x0bd602f7, adler.Value);\r |
146 | \r |
147 | }\r |
148 | #endregion\r |
149 | }\r |
150 | \r |
151 | [TestFixture]\r |
152 | public class InfoTests\r |
153 | {\r |
154 | #region Info tests\r |
155 | [Test]\r |
156 | public void Info_Version()\r |
157 | {\r |
158 | Info info = new Info();\r |
159 | Assert.AreEqual("1.2.13", Info.Version);\r |
160 | Assert.AreEqual(32, info.SizeOfUInt);\r |
161 | Assert.AreEqual(32, info.SizeOfULong);\r |
162 | Assert.AreEqual(32, info.SizeOfPointer);\r |
163 | Assert.AreEqual(32, info.SizeOfOffset);\r |
164 | }\r |
165 | #endregion\r |
166 | }\r |
167 | \r |
168 | [TestFixture]\r |
169 | public class DeflateInflateTests\r |
170 | {\r |
171 | #region Deflate tests\r |
172 | [Test]\r |
173 | public void Deflate_Init()\r |
174 | {\r |
175 | using (Deflater def = new Deflater(CompressLevel.Default))\r |
176 | {\r |
177 | }\r |
178 | }\r |
179 | \r |
180 | private ArrayList compressedData = new ArrayList();\r |
181 | private uint adler1;\r |
182 | \r |
183 | private ArrayList uncompressedData = new ArrayList();\r |
184 | private uint adler2;\r |
185 | \r |
186 | public void CDataAvail(byte[] data, int startIndex, int count)\r |
187 | {\r |
188 | for (int i = 0; i < count; ++i)\r |
189 | compressedData.Add(data[i+startIndex]);\r |
190 | }\r |
191 | \r |
192 | [Test]\r |
193 | public void Deflate_Compress()\r |
194 | {\r |
195 | compressedData.Clear();\r |
196 | \r |
197 | byte[] testData = new byte[35000];\r |
198 | for (int i = 0; i < testData.Length; ++i)\r |
199 | testData[i] = 5;\r |
200 | \r |
201 | using (Deflater def = new Deflater((CompressLevel)5))\r |
202 | {\r |
203 | def.DataAvailable += new DataAvailableHandler(CDataAvail);\r |
204 | def.Add(testData);\r |
205 | def.Finish();\r |
206 | adler1 = def.Checksum;\r |
207 | }\r |
208 | }\r |
209 | #endregion\r |
210 | \r |
211 | #region Inflate tests\r |
212 | [Test]\r |
213 | public void Inflate_Init()\r |
214 | {\r |
215 | using (Inflater inf = new Inflater())\r |
216 | {\r |
217 | }\r |
218 | }\r |
219 | \r |
220 | private void DDataAvail(byte[] data, int startIndex, int count)\r |
221 | {\r |
222 | for (int i = 0; i < count; ++i)\r |
223 | uncompressedData.Add(data[i+startIndex]);\r |
224 | }\r |
225 | \r |
226 | [Test]\r |
227 | public void Inflate_Expand()\r |
228 | {\r |
229 | uncompressedData.Clear();\r |
230 | \r |
231 | using (Inflater inf = new Inflater())\r |
232 | {\r |
233 | inf.DataAvailable += new DataAvailableHandler(DDataAvail);\r |
234 | inf.Add((byte[])compressedData.ToArray(typeof(byte)));\r |
235 | inf.Finish();\r |
236 | adler2 = inf.Checksum;\r |
237 | }\r |
238 | Assert.AreEqual( adler1, adler2 );\r |
239 | }\r |
240 | #endregion\r |
241 | }\r |
242 | \r |
243 | [TestFixture]\r |
244 | public class GZipStreamTests\r |
245 | {\r |
246 | #region GZipStream test\r |
247 | [Test]\r |
248 | public void GZipStream_WriteRead()\r |
249 | {\r |
250 | using (GZipStream gzOut = new GZipStream("gzstream.gz", CompressLevel.Best))\r |
251 | {\r |
252 | BinaryWriter writer = new BinaryWriter(gzOut);\r |
253 | writer.Write("hi there");\r |
254 | writer.Write(Math.PI);\r |
255 | writer.Write(42);\r |
256 | }\r |
257 | \r |
258 | using (GZipStream gzIn = new GZipStream("gzstream.gz"))\r |
259 | {\r |
260 | BinaryReader reader = new BinaryReader(gzIn);\r |
261 | string s = reader.ReadString();\r |
262 | Assert.AreEqual("hi there",s);\r |
263 | double d = reader.ReadDouble();\r |
264 | Assert.AreEqual(Math.PI, d);\r |
265 | int i = reader.ReadInt32();\r |
266 | Assert.AreEqual(42,i);\r |
267 | }\r |
268 | \r |
269 | }\r |
270 | #endregion\r |
271 | }\r |
272 | }\r |
273 | \r |
274 | #endif\r |