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1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Name: tests/base64/base64.cpp | |
3 | // Purpose: wxBase64Encode/Decode unit test | |
4 | // Author: Charles Reimers | |
5 | // Created: 2007-06-22 | |
6 | // RCS-ID: $Id$ | |
7 | /////////////////////////////////////////////////////////////////////////////// | |
8 | ||
9 | // ---------------------------------------------------------------------------- | |
10 | // headers | |
11 | // ---------------------------------------------------------------------------- | |
12 | ||
13 | #include "testprec.h" | |
14 | ||
15 | #ifdef __BORLANDC__ | |
16 | #pragma hdrstop | |
17 | #endif | |
18 | ||
19 | #ifndef WX_PRECOMP | |
20 | #include "wx/wx.h" | |
21 | #endif // WX_PRECOMP | |
22 | ||
23 | #if wxUSE_BASE64 | |
24 | ||
25 | #include "wx/base64.h" | |
26 | ||
27 | static const char encoded0to255[] = | |
28 | "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIj" | |
29 | "JCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZH" | |
30 | "SElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWpr" | |
31 | "bG1ub3BxcnN0dXZ3eHl6e3x9fn+AgYKDhIWGh4iJiouMjY6P" | |
32 | "kJGSk5SVlpeYmZqbnJ2en6ChoqOkpaanqKmqq6ytrq+wsbKz" | |
33 | "tLW2t7i5uru8vb6/wMHCw8TFxsfIycrLzM3Oz9DR0tPU1dbX" | |
34 | "2Nna29zd3t/g4eLj5OXm5+jp6uvs7e7v8PHy8/T19vf4+fr7" | |
35 | "/P3+/w=="; | |
36 | ||
37 | static void | |
38 | generatePatternedData(void* buff, size_t len, unsigned char startVal, | |
39 | unsigned char addVal, unsigned char multVal = 1, | |
40 | unsigned char xorMask = 0, unsigned char andMask = 255) | |
41 | { | |
42 | unsigned char *cbuff = (unsigned char *)buff; | |
43 | unsigned char curval = startVal; | |
44 | while(len--) | |
45 | { | |
46 | *(cbuff++) = curval; | |
47 | curval = (((curval + addVal) * multVal) ^ xorMask) & andMask; | |
48 | } | |
49 | } | |
50 | ||
51 | static void generateRandomData(void* buff, size_t len) | |
52 | { | |
53 | unsigned char *cbuff = (unsigned char *)buff; | |
54 | while(len--) | |
55 | { | |
56 | *(cbuff++) = (unsigned char)(((rand() * 255) / RAND_MAX)); | |
57 | } | |
58 | } | |
59 | ||
60 | static void generateGibberish(void* buff, size_t len) | |
61 | { | |
d2001a56 | 62 | static const unsigned char cb64[] = |
4db03d26 VZ |
63 | "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
64 | ||
65 | unsigned char *cbuff = (unsigned char *)buff; | |
66 | while(len--) | |
67 | { | |
68 | *(cbuff++) = cb64[((rand() * 64) / RAND_MAX)]; | |
69 | } | |
70 | } | |
71 | ||
72 | // -------------------------------------------------------------------------- | |
73 | // test class | |
74 | // -------------------------------------------------------------------------- | |
75 | ||
76 | class Base64TestCase : public CppUnit::TestCase | |
77 | { | |
78 | public: | |
79 | Base64TestCase() { } | |
80 | ||
81 | private: | |
82 | CPPUNIT_TEST_SUITE( Base64TestCase ); | |
83 | CPPUNIT_TEST( EncodeDecodeEmpty ); | |
84 | CPPUNIT_TEST( EncodeDecodeA ); | |
85 | CPPUNIT_TEST( EncodeDecodeAB ); | |
86 | CPPUNIT_TEST( EncodeDecodeABC ); | |
87 | CPPUNIT_TEST( EncodeDecodeABCD ); | |
88 | CPPUNIT_TEST( EncodeDecode0to255 ); | |
89 | CPPUNIT_TEST( EncodeDecodePatternA ); | |
90 | CPPUNIT_TEST( EncodeDecodePatternB ); | |
91 | CPPUNIT_TEST( EncodeDecodePatternC ); | |
92 | CPPUNIT_TEST( EncodeDecodeRandom ); | |
7bac0684 | 93 | CPPUNIT_TEST( DecodeInvalid ); |
4db03d26 VZ |
94 | CPPUNIT_TEST_SUITE_END(); |
95 | ||
96 | void EncodeDecodeEmpty(); | |
97 | void EncodeDecodeA(); | |
98 | void EncodeDecodeAB(); | |
99 | void EncodeDecodeABC(); | |
100 | void EncodeDecodeABCD(); | |
101 | void EncodeDecode0to255(); | |
102 | void EncodeDecodePatternA(); | |
103 | void EncodeDecodePatternB(); | |
104 | void EncodeDecodePatternC(); | |
105 | void EncodeDecodeRandom(); | |
7bac0684 | 106 | void DecodeInvalid(); |
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107 | |
108 | DECLARE_NO_COPY_CLASS(Base64TestCase) | |
109 | }; | |
110 | ||
111 | // register in the unnamed registry so that these tests are run by default | |
112 | CPPUNIT_TEST_SUITE_REGISTRATION( Base64TestCase ); | |
113 | ||
114 | // also include in it's own registry so that these tests can be run alone | |
115 | CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( Base64TestCase, "Base64TestCase" ); | |
116 | ||
117 | void Base64TestCase::EncodeDecodeEmpty() | |
118 | { | |
119 | char shouldBeEmpty[10]; | |
120 | shouldBeEmpty[0] = '\0'; | |
121 | size_t len = 10; | |
122 | ||
123 | CPPUNIT_ASSERT(wxBase64Encode(shouldBeEmpty, len, "", 0) != wxCONV_FAILED); | |
124 | CPPUNIT_ASSERT_EQUAL('\0', shouldBeEmpty[0]); | |
125 | ||
126 | CPPUNIT_ASSERT(wxBase64Decode(shouldBeEmpty, len, "") != wxCONV_FAILED); | |
127 | CPPUNIT_ASSERT_EQUAL('\0', shouldBeEmpty[0]); | |
128 | ||
129 | wxMemoryBuffer bufmt; | |
ee8c79c1 VZ |
130 | wxString resultEmpty = wxBase64Encode(bufmt); |
131 | CPPUNIT_ASSERT(resultEmpty.empty()); | |
4db03d26 | 132 | |
ee8c79c1 | 133 | bufmt = wxBase64Decode(resultEmpty); |
d2001a56 | 134 | WX_ASSERT_SIZET_EQUAL(0, bufmt.GetDataLen()); |
4db03d26 VZ |
135 | } |
136 | ||
137 | void Base64TestCase::EncodeDecodeA() | |
138 | { | |
139 | const wxString str = wxBase64Encode("A", 1); | |
140 | CPPUNIT_ASSERT_EQUAL(wxString("QQ=="), str); | |
141 | ||
142 | wxMemoryBuffer buf = wxBase64Decode(str); | |
d2001a56 | 143 | WX_ASSERT_SIZET_EQUAL(1, buf.GetDataLen()); |
4db03d26 VZ |
144 | CPPUNIT_ASSERT_EQUAL('A', *(char *)buf.GetData()); |
145 | } | |
146 | ||
147 | void Base64TestCase::EncodeDecodeAB() | |
148 | { | |
149 | const wxString str = wxBase64Encode("AB", 2); | |
150 | CPPUNIT_ASSERT_EQUAL(wxString("QUI="), str); | |
151 | ||
152 | wxMemoryBuffer buf = wxBase64Decode(str); | |
d2001a56 | 153 | WX_ASSERT_SIZET_EQUAL(2, buf.GetDataLen()); |
4db03d26 VZ |
154 | CPPUNIT_ASSERT_EQUAL('A', buf[0]); |
155 | CPPUNIT_ASSERT_EQUAL('B', buf[1]); | |
156 | } | |
157 | ||
158 | void Base64TestCase::EncodeDecodeABC() | |
159 | { | |
160 | const wxString str = wxBase64Encode("ABC", 3); | |
161 | CPPUNIT_ASSERT_EQUAL(wxString("QUJD"), str); | |
162 | ||
163 | wxMemoryBuffer buf = wxBase64Decode(str); | |
d2001a56 | 164 | WX_ASSERT_SIZET_EQUAL(3, buf.GetDataLen()); |
4db03d26 VZ |
165 | CPPUNIT_ASSERT_EQUAL('A', buf[0]); |
166 | CPPUNIT_ASSERT_EQUAL('B', buf[1]); | |
167 | CPPUNIT_ASSERT_EQUAL('C', buf[2]); | |
168 | } | |
169 | ||
170 | void Base64TestCase::EncodeDecodeABCD() | |
171 | { | |
172 | const wxString str = wxBase64Encode("ABCD", 4); | |
173 | CPPUNIT_ASSERT_EQUAL(wxString("QUJDRA=="), str); | |
174 | ||
175 | wxMemoryBuffer buf = wxBase64Decode(str); | |
d2001a56 | 176 | WX_ASSERT_SIZET_EQUAL(4, buf.GetDataLen()); |
4db03d26 VZ |
177 | CPPUNIT_ASSERT_EQUAL('A', buf[0]); |
178 | CPPUNIT_ASSERT_EQUAL('B', buf[1]); | |
179 | CPPUNIT_ASSERT_EQUAL('C', buf[2]); | |
180 | CPPUNIT_ASSERT_EQUAL('D', buf[3]); | |
181 | } | |
182 | ||
183 | void Base64TestCase::EncodeDecode0to255() | |
184 | { | |
185 | unsigned char buff[256]; | |
186 | generatePatternedData(buff, 256, 0, 1); | |
187 | wxString str = wxBase64Encode(buff, 256); | |
188 | wxMemoryBuffer mbuff = wxBase64Decode(str); | |
189 | CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0); | |
190 | ||
191 | mbuff = wxBase64Decode(encoded0to255); | |
192 | CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0); | |
193 | } | |
194 | ||
195 | void Base64TestCase::EncodeDecodePatternA() | |
196 | { | |
197 | unsigned char buff[350]; | |
198 | generatePatternedData(buff, 350, 24, 5, 3); | |
199 | wxString str = wxBase64Encode(buff, 350); | |
200 | wxMemoryBuffer mbuff = wxBase64Decode(str); | |
201 | CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0); | |
202 | } | |
203 | ||
204 | void Base64TestCase::EncodeDecodePatternB() | |
205 | { | |
206 | unsigned char buff[350]; | |
207 | generatePatternedData(buff, 350, 0, 1, 1, 0xAA); | |
208 | wxString str = wxBase64Encode(buff, 350); | |
209 | wxMemoryBuffer mbuff = wxBase64Decode(str); | |
210 | CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0); | |
211 | } | |
212 | ||
213 | void Base64TestCase::EncodeDecodePatternC() | |
214 | { | |
215 | unsigned char buff[11]; | |
216 | generatePatternedData(buff, 11, 1, 0, 2); | |
217 | wxString str = wxBase64Encode(buff, 11); | |
218 | wxMemoryBuffer mbuff = wxBase64Decode(str); | |
219 | CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0); | |
220 | } | |
221 | ||
222 | void Base64TestCase::EncodeDecodeRandom() | |
223 | { | |
224 | size_t size = rand() * 3000 / RAND_MAX + 11; | |
225 | unsigned char *buff = new unsigned char[size]; | |
226 | generateRandomData(buff, size); | |
227 | wxString str = wxBase64Encode(buff, size); | |
228 | wxMemoryBuffer mbuff = wxBase64Decode(str); | |
229 | CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0); | |
230 | ||
231 | generateGibberish(buff, size); | |
232 | char *buff2 = new char[size]; | |
233 | size_t realsize = size; | |
234 | CPPUNIT_ASSERT(wxBase64Decode(buff2, realsize, (char *)buff, size)); | |
235 | CPPUNIT_ASSERT(wxBase64Encode(buff2, size, buff2, realsize)); | |
236 | } | |
237 | ||
7bac0684 VZ |
238 | void Base64TestCase::DecodeInvalid() |
239 | { | |
240 | size_t rc, posErr; | |
241 | rc = wxBase64Decode(NULL, 0, "one two!", wxNO_LEN, | |
242 | wxBase64DecodeMode_Strict, &posErr); | |
243 | CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, rc); | |
244 | WX_ASSERT_SIZET_EQUAL( 3, posErr ); | |
245 | ||
246 | rc = wxBase64Decode(NULL, 0, "one two!", wxNO_LEN, | |
247 | wxBase64DecodeMode_SkipWS, &posErr); | |
248 | CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, rc); | |
249 | WX_ASSERT_SIZET_EQUAL( 7, posErr ); | |
250 | ||
251 | rc = wxBase64Decode(NULL, 0, "? QQ==", wxNO_LEN, | |
252 | wxBase64DecodeMode_SkipWS, &posErr); | |
253 | CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, rc); | |
254 | WX_ASSERT_SIZET_EQUAL( 0, posErr ); | |
255 | ||
256 | posErr = (size_t)-1; | |
257 | rc = wxBase64Decode(NULL, 0, " QQ==", wxNO_LEN, | |
258 | wxBase64DecodeMode_SkipWS, &posErr); | |
259 | WX_ASSERT_SIZET_EQUAL( 1, rc ); | |
260 | WX_ASSERT_SIZET_EQUAL( -1, posErr ); | |
261 | ||
262 | rc = wxBase64Decode(NULL, 0, "? QQ==", wxNO_LEN, | |
263 | wxBase64DecodeMode_Relaxed, &posErr); | |
264 | WX_ASSERT_SIZET_EQUAL( 1, rc ); | |
265 | WX_ASSERT_SIZET_EQUAL( -1, posErr ); | |
266 | ||
267 | CPPUNIT_ASSERT( !wxBase64Decode("wxGetApp()").GetDataLen() ); | |
268 | } | |
269 | ||
4db03d26 | 270 | #endif // wxUSE_BASE64 |