| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: tests/strings/strings.cpp |
| 3 | // Purpose: wxStringTokenizer unit test |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Created: 2005-12-20 (extacted from strings.cpp) |
| 6 | // RCS-ID: $Id$ |
| 7 | // Copyright: (c) 2004-2005 Vadim Zeitlin |
| 8 | /////////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | // ---------------------------------------------------------------------------- |
| 11 | // headers |
| 12 | // ---------------------------------------------------------------------------- |
| 13 | |
| 14 | #include "testprec.h" |
| 15 | |
| 16 | #ifdef __BORLANDC__ |
| 17 | #pragma hdrstop |
| 18 | #endif |
| 19 | |
| 20 | #ifndef WX_PRECOMP |
| 21 | #include "wx/wx.h" |
| 22 | #endif // WX_PRECOMP |
| 23 | |
| 24 | #include "wx/tokenzr.h" |
| 25 | |
| 26 | // ---------------------------------------------------------------------------- |
| 27 | // test class |
| 28 | // ---------------------------------------------------------------------------- |
| 29 | |
| 30 | class TokenizerTestCase : public CppUnit::TestCase |
| 31 | { |
| 32 | public: |
| 33 | TokenizerTestCase() { } |
| 34 | |
| 35 | private: |
| 36 | CPPUNIT_TEST_SUITE( TokenizerTestCase ); |
| 37 | CPPUNIT_TEST( GetCount ); |
| 38 | CPPUNIT_TEST( GetPosition ); |
| 39 | CPPUNIT_TEST( GetString ); |
| 40 | CPPUNIT_TEST( LastDelimiter ); |
| 41 | CPPUNIT_TEST( StrtokCompat ); |
| 42 | CPPUNIT_TEST_SUITE_END(); |
| 43 | |
| 44 | void GetCount(); |
| 45 | void GetPosition(); |
| 46 | void GetString(); |
| 47 | void LastDelimiter(); |
| 48 | void StrtokCompat(); |
| 49 | |
| 50 | DECLARE_NO_COPY_CLASS(TokenizerTestCase) |
| 51 | }; |
| 52 | |
| 53 | // register in the unnamed registry so that these tests are run by default |
| 54 | CPPUNIT_TEST_SUITE_REGISTRATION( TokenizerTestCase ); |
| 55 | |
| 56 | // also include in its own registry so that these tests can be run alone |
| 57 | CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TokenizerTestCase, "TokenizerTestCase" ); |
| 58 | |
| 59 | // ---------------------------------------------------------------------------- |
| 60 | // test data |
| 61 | // ---------------------------------------------------------------------------- |
| 62 | |
| 63 | static const struct TokenizerTestData |
| 64 | { |
| 65 | // the string to tokenize |
| 66 | const wxChar *str; |
| 67 | |
| 68 | // the delimiters to use |
| 69 | const wxChar *delims; |
| 70 | |
| 71 | // the tokenizer mode |
| 72 | wxStringTokenizerMode mode; |
| 73 | |
| 74 | // expected number of tokens |
| 75 | size_t count; |
| 76 | } |
| 77 | gs_testData[] = |
| 78 | { |
| 79 | { wxT(""), wxT(" "), wxTOKEN_DEFAULT, 0 }, |
| 80 | { wxT(""), wxT(" "), wxTOKEN_RET_EMPTY, 0 }, |
| 81 | { wxT(""), wxT(" "), wxTOKEN_RET_EMPTY_ALL, 0 }, |
| 82 | { wxT(""), wxT(" "), wxTOKEN_RET_DELIMS, 0 }, |
| 83 | { wxT(":"), wxT(":"), wxTOKEN_RET_EMPTY, 1 }, |
| 84 | { wxT(":"), wxT(":"), wxTOKEN_RET_DELIMS, 1 }, |
| 85 | { wxT(":"), wxT(":"), wxTOKEN_RET_EMPTY_ALL, 2 }, |
| 86 | { wxT("::"), wxT(":"), wxTOKEN_RET_EMPTY, 1 }, |
| 87 | { wxT("::"), wxT(":"), wxTOKEN_RET_DELIMS, 1 }, |
| 88 | { wxT("::"), wxT(":"), wxTOKEN_RET_EMPTY_ALL, 3 }, |
| 89 | |
| 90 | { wxT("Hello, world"), wxT(" "), wxTOKEN_DEFAULT, 2 }, |
| 91 | { wxT("Hello, world "), wxT(" "), wxTOKEN_DEFAULT, 2 }, |
| 92 | { wxT("Hello, world"), wxT(","), wxTOKEN_DEFAULT, 2 }, |
| 93 | { wxT("Hello, world!"), wxT(",!"), wxTOKEN_DEFAULT, 2 }, |
| 94 | { wxT("Hello,, world!"), wxT(",!"), wxTOKEN_DEFAULT, 3 }, |
| 95 | { wxT("Hello,, world!"), wxT(",!"), wxTOKEN_STRTOK, 2 }, |
| 96 | { wxT("Hello, world!"), wxT(",!"), wxTOKEN_RET_EMPTY_ALL, 3 }, |
| 97 | |
| 98 | { wxT("username:password:uid:gid:gecos:home:shell"), |
| 99 | wxT(":"), wxTOKEN_DEFAULT, 7 }, |
| 100 | |
| 101 | { wxT("1:2::3:"), wxT(":"), wxTOKEN_DEFAULT, 4 }, |
| 102 | { wxT("1:2::3:"), wxT(":"), wxTOKEN_RET_EMPTY, 4 }, |
| 103 | { wxT("1:2::3:"), wxT(":"), wxTOKEN_RET_EMPTY_ALL, 5 }, |
| 104 | { wxT("1:2::3:"), wxT(":"), wxTOKEN_RET_DELIMS, 4 }, |
| 105 | { wxT("1:2::3:"), wxT(":"), wxTOKEN_STRTOK, 3 }, |
| 106 | |
| 107 | { wxT("1:2::3::"), wxT(":"), wxTOKEN_DEFAULT, 4 }, |
| 108 | { wxT("1:2::3::"), wxT(":"), wxTOKEN_RET_EMPTY, 4 }, |
| 109 | { wxT("1:2::3::"), wxT(":"), wxTOKEN_RET_EMPTY_ALL, 6 }, |
| 110 | { wxT("1:2::3::"), wxT(":"), wxTOKEN_RET_DELIMS, 4 }, |
| 111 | { wxT("1:2::3::"), wxT(":"), wxTOKEN_STRTOK, 3 }, |
| 112 | |
| 113 | { wxT("1 \t3\t4 6 "), wxDEFAULT_DELIMITERS, wxTOKEN_DEFAULT, 4 }, |
| 114 | { wxT("1 \t3\t4 6 "), wxDEFAULT_DELIMITERS, wxTOKEN_STRTOK, 4 }, |
| 115 | { wxT("1 \t3\t4 6 "), wxDEFAULT_DELIMITERS, wxTOKEN_RET_EMPTY, 6 }, |
| 116 | { wxT("1 \t3\t4 6 "), wxDEFAULT_DELIMITERS, wxTOKEN_RET_EMPTY_ALL, 9 }, |
| 117 | |
| 118 | { wxT("01/02/99"), wxT("/-"), wxTOKEN_DEFAULT, 3 }, |
| 119 | { wxT("01-02/99"), wxT("/-"), wxTOKEN_RET_DELIMS, 3 }, |
| 120 | }; |
| 121 | |
| 122 | // helper function returning the string showing the index for which the test |
| 123 | // fails in the diagnostic message |
| 124 | static std::string Nth(size_t n) |
| 125 | { |
| 126 | return std::string(wxString::Format(wxT("for loop index %lu"), |
| 127 | (unsigned long)n).mb_str()); |
| 128 | } |
| 129 | |
| 130 | // ---------------------------------------------------------------------------- |
| 131 | // the tests |
| 132 | // ---------------------------------------------------------------------------- |
| 133 | |
| 134 | void TokenizerTestCase::GetCount() |
| 135 | { |
| 136 | for ( size_t n = 0; n < WXSIZEOF(gs_testData); n++ ) |
| 137 | { |
| 138 | const TokenizerTestData& ttd = gs_testData[n]; |
| 139 | |
| 140 | wxStringTokenizer tkz(ttd.str, ttd.delims, ttd.mode); |
| 141 | CPPUNIT_ASSERT_EQUAL_MESSAGE( Nth(n), ttd.count, tkz.CountTokens() ); |
| 142 | |
| 143 | size_t count = 0; |
| 144 | while ( tkz.HasMoreTokens() ) |
| 145 | { |
| 146 | tkz.GetNextToken(); |
| 147 | count++; |
| 148 | } |
| 149 | |
| 150 | CPPUNIT_ASSERT_EQUAL_MESSAGE( Nth(n), ttd.count, count ); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | // call this with the string to tokenize, delimeters to use and the expected |
| 155 | // positions (i.e. results of GetPosition()) after each GetNextToken() call, |
| 156 | // terminate positions with 0 |
| 157 | static void |
| 158 | DoTestGetPosition(const wxChar *s, const wxChar *delims, int pos, ...) |
| 159 | { |
| 160 | wxStringTokenizer tkz(s, delims); |
| 161 | |
| 162 | CPPUNIT_ASSERT_EQUAL( (size_t)0, tkz.GetPosition() ); |
| 163 | |
| 164 | va_list ap; |
| 165 | va_start(ap, pos); |
| 166 | |
| 167 | for ( ;; ) |
| 168 | { |
| 169 | if ( !pos ) |
| 170 | { |
| 171 | CPPUNIT_ASSERT( !tkz.HasMoreTokens() ); |
| 172 | break; |
| 173 | } |
| 174 | |
| 175 | tkz.GetNextToken(); |
| 176 | |
| 177 | CPPUNIT_ASSERT_EQUAL( (size_t)pos, tkz.GetPosition() ); |
| 178 | |
| 179 | pos = va_arg(ap, int); |
| 180 | } |
| 181 | |
| 182 | va_end(ap); |
| 183 | } |
| 184 | |
| 185 | void TokenizerTestCase::GetPosition() |
| 186 | { |
| 187 | DoTestGetPosition(wxT("foo"), wxT("_"), 3, 0); |
| 188 | DoTestGetPosition(wxT("foo_bar"), wxT("_"), 4, 7, 0); |
| 189 | DoTestGetPosition(wxT("foo_bar_"), wxT("_"), 4, 8, 0); |
| 190 | } |
| 191 | |
| 192 | // helper for GetString(): the parameters are the same as for DoTestGetPosition |
| 193 | // but it checks GetString() return value instead of GetPosition() |
| 194 | static void |
| 195 | DoTestGetString(const wxChar *s, const wxChar *delims, int pos, ...) |
| 196 | { |
| 197 | wxStringTokenizer tkz(s, delims); |
| 198 | |
| 199 | CPPUNIT_ASSERT_EQUAL( wxString(s), tkz.GetString() ); |
| 200 | |
| 201 | va_list ap; |
| 202 | va_start(ap, pos); |
| 203 | |
| 204 | for ( ;; ) |
| 205 | { |
| 206 | if ( !pos ) |
| 207 | { |
| 208 | CPPUNIT_ASSERT( tkz.GetString().empty() ) ; |
| 209 | break; |
| 210 | } |
| 211 | |
| 212 | tkz.GetNextToken(); |
| 213 | |
| 214 | CPPUNIT_ASSERT_EQUAL( wxString(s + pos), tkz.GetString() ); |
| 215 | |
| 216 | pos = va_arg(ap, int); |
| 217 | } |
| 218 | |
| 219 | va_end(ap); |
| 220 | } |
| 221 | |
| 222 | void TokenizerTestCase::GetString() |
| 223 | { |
| 224 | DoTestGetString(wxT("foo"), wxT("_"), 3, 0); |
| 225 | DoTestGetString(wxT("foo_bar"), wxT("_"), 4, 7, 0); |
| 226 | DoTestGetString(wxT("foo_bar_"), wxT("_"), 4, 8, 0); |
| 227 | } |
| 228 | |
| 229 | void TokenizerTestCase::LastDelimiter() |
| 230 | { |
| 231 | wxStringTokenizer tkz(wxT("a+-b=c"), wxT("+-=")); |
| 232 | |
| 233 | tkz.GetNextToken(); |
| 234 | CPPUNIT_ASSERT_EQUAL( wxT('+'), tkz.GetLastDelimiter() ); |
| 235 | |
| 236 | tkz.GetNextToken(); |
| 237 | CPPUNIT_ASSERT_EQUAL( wxT('-'), tkz.GetLastDelimiter() ); |
| 238 | |
| 239 | tkz.GetNextToken(); |
| 240 | CPPUNIT_ASSERT_EQUAL( wxT('='), tkz.GetLastDelimiter() ); |
| 241 | |
| 242 | tkz.GetNextToken(); |
| 243 | CPPUNIT_ASSERT_EQUAL( wxT('\0'), tkz.GetLastDelimiter() ); |
| 244 | } |
| 245 | |
| 246 | void TokenizerTestCase::StrtokCompat() |
| 247 | { |
| 248 | for ( size_t n = 0; n < WXSIZEOF(gs_testData); n++ ) |
| 249 | { |
| 250 | const TokenizerTestData& ttd = gs_testData[n]; |
| 251 | if ( ttd.mode != wxTOKEN_STRTOK ) |
| 252 | continue; |
| 253 | |
| 254 | #if wxUSE_UNICODE |
| 255 | wxWCharBuffer |
| 256 | #else |
| 257 | wxCharBuffer |
| 258 | #endif |
| 259 | buf(ttd.str); |
| 260 | wxChar *last; |
| 261 | wxChar *s = wxStrtok(buf.data(), ttd.delims, &last); |
| 262 | |
| 263 | wxStringTokenizer tkz(ttd.str, ttd.delims, ttd.mode); |
| 264 | while ( tkz.HasMoreTokens() ) |
| 265 | { |
| 266 | CPPUNIT_ASSERT_EQUAL( wxString(s), tkz.GetNextToken() ); |
| 267 | s = wxStrtok(NULL, ttd.delims, &last); |
| 268 | } |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | |