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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 |