tests/strings/strings.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/strings/strings.cpp
   3 // Purpose:     wxString unit test
   4 // Author:      Vadim Zeitlin, Wlodzimierz ABX Skiba
   5 // Created:     2004-04-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "wx/wxprec.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 #include "wx/cppunit.h"
  27
  28 // ----------------------------------------------------------------------------
  29 // test class
  30 // ----------------------------------------------------------------------------
  31
  32 class StringTestCase : public CppUnit::TestCase
  33 {
  34 public:
  35     StringTestCase();
  36
  37 private:
  38     CPPUNIT_TEST_SUITE( StringTestCase );
  39         CPPUNIT_TEST( String );
  40         CPPUNIT_TEST( PChar );
  41         CPPUNIT_TEST( Format );
  42         CPPUNIT_TEST( Constructors );
  43 #if wxUSE_WCHAR_T
  44         CPPUNIT_TEST( ConstructorsWithConversion );
  45 #endif
  46         CPPUNIT_TEST( Conversion );
  47         CPPUNIT_TEST( Extraction );
  48         CPPUNIT_TEST( Find );
  49         CPPUNIT_TEST( Tokenizer );
  50         CPPUNIT_TEST( Replace );
  51         CPPUNIT_TEST( Match );
  52         CPPUNIT_TEST( CaseChanges );
  53         CPPUNIT_TEST( Compare );
  54         CPPUNIT_TEST( CompareNoCase );
  55     CPPUNIT_TEST_SUITE_END();
  56
  57     void String();
  58     void PChar();
  59     void Format();
  60     void Constructors();
  61 #if wxUSE_WCHAR_T
  62     void ConstructorsWithConversion();
  63 #endif
  64     void Conversion();
  65     void Extraction();
  66     void Find();
  67     void SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode );
  68     void Tokenizer();
  69     void Replace();
  70     void Match();
  71     void CaseChanges();
  72     void Compare();
  73     void CompareNoCase();
  74
  75     DECLARE_NO_COPY_CLASS(StringTestCase)
  76 };
  77
  78 // register in the unnamed registry so that these tests are run by default
  79 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
  80
  81 // also include in it's own registry so that these tests can be run alone
  82 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
  83
  84 StringTestCase::StringTestCase()
  85 {
  86 }
  87
  88 void StringTestCase::String()
  89 {
  90     wxString a, b, c;
  91
  92     a.reserve (128);
  93     b.reserve (128);
  94     c.reserve (128);
  95
  96     for (int i = 0; i < 2; ++i)
  97     {
  98         a = _T("Hello");
  99         b = _T(" world");
 100         c = _T("! How'ya doin'?");
 101         a += b;
 102         a += c;
 103         c = _T("Hello world! What's up?");
 104         CPPUNIT_ASSERT( c != a );
 105     }
 106 }
 107
 108 void StringTestCase::PChar()
 109 {
 110     wxChar a [128];
 111     wxChar b [128];
 112     wxChar c [128];
 113
 114     for (int i = 0; i < 2; ++i)
 115     {
 116         wxStrcpy (a, _T("Hello"));
 117         wxStrcpy (b, _T(" world"));
 118         wxStrcpy (c, _T("! How'ya doin'?"));
 119         wxStrcat (a, b);
 120         wxStrcat (a, c);
 121         wxStrcpy (c, _T("Hello world! What's up?"));
 122         CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
 123     }
 124 }
 125
 126 void StringTestCase::Format()
 127 {
 128     wxString s1,s2;
 129     s1.Printf(_T("%03d"), 18);
 130     CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
 131     s2.Printf(_T("Number 18: %s\n"), s1.c_str());
 132     CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
 133 }
 134
 135 void StringTestCase::Constructors()
 136 {
 137     #define TEST_CTOR(args, res)                                               \
 138         {                                                                      \
 139             wxString s args ;                                                  \
 140             CPPUNIT_ASSERT( s == res );                                        \
 141         }
 142
 143     TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
 144     TEST_CTOR((_T("Hello"), 4), _T("Hell"));
 145     TEST_CTOR((_T("Hello"), 5), _T("Hello"));
 146
 147     static const wxChar *s = _T("?really!");
 148     const wxChar *start = wxStrchr(s, _T('r'));
 149     const wxChar *end = wxStrchr(s, _T('!'));
 150     TEST_CTOR((start, end), _T("really"));
 151 }
 152
 153 #if wxUSE_WCHAR_T
 154 void StringTestCase::ConstructorsWithConversion()
 155 {
 156     // Déj`a in UTF-8 and wchar_t:
 157     const char utf8[] = {0x44,0xC3,0xA9,0x6A,0xC3,0xA0,0};
 158     const wchar_t wchar[] = {0x44,0xE9,0x6A,0xE0,0};
 159     const char utf8sub[] = {0x44,0xC3,0xA9,0x6A,0}; // "Dej"
 160
 161     wxString s1(utf8, wxConvUTF8);
 162     wxString s2(wchar, wxConvUTF8);
 163
 164 #if wxUSE_UNICODE
 165     CPPUNIT_ASSERT( s1 == wchar );
 166     CPPUNIT_ASSERT( s2 == wchar );
 167 #else
 168     CPPUNIT_ASSERT( s1 == utf8 );
 169     CPPUNIT_ASSERT( s2 == utf8 );
 170 #endif
 171
 172     wxString sub(utf8sub, wxConvUTF8); // "Dej" substring
 173     wxString s3(utf8, wxConvUTF8, 4);
 174     wxString s4(wchar, wxConvUTF8, 3);
 175
 176     CPPUNIT_ASSERT( s3 == sub );
 177     CPPUNIT_ASSERT( s4 == sub );
 178 }
 179 #endif
 180
 181 void StringTestCase::Conversion()
 182 {
 183 #if wxUSE_UNICODE
 184         wxString szTheString(L"The\0String", wxConvLibc, 10);
 185         wxCharBuffer theBuffer = szTheString.mb_str();
 186
 187         CPPUNIT_ASSERT( memcmp(theBuffer.data(), "The\0String", 11) == 0 );
 188
 189         wxString szTheString2("The\0String", wxConvLocal, 10);
 190         CPPUNIT_ASSERT( wxMemcmp(szTheString2.c_str(), L"The\0String", 11) == 0 );
 191 #else
 192 #   if wxUSE_WCHAR_T
 193         wxString szTheString(wxT("TheString"));
 194         szTheString.insert(3, 1, '\0');
 195         wxWCharBuffer theBuffer = szTheString.wc_str(wxConvLibc);
 196
 197         CPPUNIT_ASSERT( memcmp(theBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 );
 198
 199         wxString szLocalTheString(wxT("TheString"));
 200         szLocalTheString.insert(3, 1, '\0');
 201         wxWCharBuffer theLocalBuffer = szLocalTheString.wc_str(wxConvLocal);
 202
 203         CPPUNIT_ASSERT( memcmp(theLocalBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 );
 204 #   endif
 205 #endif
 206 }
 207
 208 void StringTestCase::Extraction()
 209 {
 210     wxString s(_T("Hello, world!"));
 211
 212     CPPUNIT_ASSERT( wxStrcmp( s.c_str() , _T("Hello, world!") ) == 0 );
 213     CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , _T("Hello") ) == 0 );
 214     CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , _T("world!") ) == 0 );
 215     CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 );
 216     CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , _T("lo, world!") ) == 0 );
 217     CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
 218     CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
 219
 220     wxString rest;
 221
 222     #define TEST_STARTS_WITH( prefix , correct_rest, result ) \
 223         CPPUNIT_ASSERT( \
 224             ( s.StartsWith( prefix, &rest ) == result ) && \
 225             ( ( result == false ) || ( wxStrcmp( correct_rest , rest ) == 0 ) ) \
 226         )
 227
 228     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
 229     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
 230     TEST_STARTS_WITH( _T("Hello, world!"),   _T(""),              true  );
 231     TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""),              false );
 232     TEST_STARTS_WITH( _T(""),                _T("Hello, world!"), true  );
 233     TEST_STARTS_WITH( _T("Goodbye"),         _T(""),              false );
 234     TEST_STARTS_WITH( _T("Hi"),              _T(""),              false );
 235
 236     #undef TEST_STARTS_WITH
 237 }
 238
 239 void StringTestCase::Find()
 240 {
 241     #define TEST_FIND( str , start , result )  \
 242         CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
 243
 244     TEST_FIND( _T("Well, hello world"),  0, 1              );
 245     TEST_FIND( _T("Well, hello world"),  6, 7              );
 246     TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
 247
 248     #undef TEST_FIND
 249 }
 250
 251 void StringTestCase::SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode )
 252 {
 253     wxStringTokenizer tkz( str, delims, mode);
 254     CPPUNIT_ASSERT( tkz.CountTokens() == count );
 255
 256     wxChar *buf, *s = NULL, *last;
 257
 258     if ( tkz.GetMode() == wxTOKEN_STRTOK )
 259     {
 260         buf = new wxChar[wxStrlen(str) + 1];
 261         wxStrcpy(buf, str);
 262         s = wxStrtok(buf, delims, &last);
 263     }
 264     else
 265     {
 266         buf = NULL;
 267     }
 268
 269     size_t count2 = 0;
 270     while ( tkz.HasMoreTokens() )
 271     {
 272         wxString token = tkz.GetNextToken();
 273         if ( buf )
 274         {
 275             CPPUNIT_ASSERT( token == s );
 276             s = wxStrtok(NULL, delims, &last);
 277         }
 278         count2++;
 279     }
 280
 281     CPPUNIT_ASSERT( count2 == count );
 282     if ( buf )
 283     {
 284         delete [] buf;
 285     }
 286 }
 287
 288 void StringTestCase::Tokenizer()
 289 {
 290     SingleTokenizerTest( _T(""),                                           _T(" "),              0, wxTOKEN_DEFAULT       );
 291     SingleTokenizerTest( _T("Hello, world"),                               _T(" "),              2, wxTOKEN_DEFAULT       );
 292     SingleTokenizerTest( _T("Hello,   world  "),                           _T(" "),              2, wxTOKEN_DEFAULT       );
 293     SingleTokenizerTest( _T("Hello, world"),                               _T(","),              2, wxTOKEN_DEFAULT       );
 294     SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             2, wxTOKEN_DEFAULT       );
 295     SingleTokenizerTest( _T("Hello,, world!"),                             _T(",!"),             3, wxTOKEN_DEFAULT       );
 296     SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             3, wxTOKEN_RET_EMPTY_ALL );
 297     SingleTokenizerTest( _T("username:password:uid:gid:gecos:home:shell"), _T(":"),              7, wxTOKEN_DEFAULT       );
 298     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 4, wxTOKEN_DEFAULT       );
 299     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 6, wxTOKEN_RET_EMPTY     );
 300     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 9, wxTOKEN_RET_EMPTY_ALL );
 301     SingleTokenizerTest( _T("01/02/99"),                                   _T("/-"),             3, wxTOKEN_DEFAULT       );
 302     SingleTokenizerTest( _T("01-02/99"),                                   _T("/-"),             3, wxTOKEN_RET_DELIMS    );
 303 }
 304
 305 void StringTestCase::Replace()
 306 {
 307     #define TEST_REPLACE( original , pos , len , replacement , result ) \
 308         { \
 309             wxString s = original; \
 310             s.replace( pos , len , replacement ); \
 311             CPPUNIT_ASSERT( s == result ); \
 312         }
 313
 314     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );
 315     TEST_REPLACE( _T("increase"),      0, 2, _T("de"),     _T("decrease")      );
 316     TEST_REPLACE( _T("wxWindow"),      8, 0, _T("s"),      _T("wxWindows")     );
 317     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
 318     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 319
 320     #undef TEST_REPLACE
 321 }
 322
 323 void StringTestCase::Match()
 324 {
 325     #define TEST_MATCH( s1 , s2 , result ) \
 326         CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
 327
 328     TEST_MATCH( _T("foobar"),    _T("foo*"),   true  );
 329     TEST_MATCH( _T("foobar"),    _T("*oo*"),   true  );
 330     TEST_MATCH( _T("foobar"),    _T("*bar"),   true  );
 331     TEST_MATCH( _T("foobar"),    _T("??????"), true  );
 332     TEST_MATCH( _T("foobar"),    _T("f??b*"),  true  );
 333     TEST_MATCH( _T("foobar"),    _T("f?b*"),   false );
 334     TEST_MATCH( _T("foobar"),    _T("*goo*"),  false );
 335     TEST_MATCH( _T("foobar"),    _T("*foo"),   false );
 336     TEST_MATCH( _T("foobarfoo"), _T("*foo"),   true  );
 337     TEST_MATCH( _T(""),          _T("*"),      true  );
 338     TEST_MATCH( _T(""),          _T("?"),      false );
 339
 340     #undef TEST_MATCH
 341 }
 342
 343
 344 void StringTestCase::CaseChanges()
 345 {
 346     wxString s1(_T("Hello!"));
 347     wxString s1u(s1);
 348     wxString s1l(s1);
 349     s1u.MakeUpper();
 350     s1l.MakeLower();
 351     wxString s2u, s2l;
 352     s2u.MakeUpper();
 353     s2l.MakeLower();
 354
 355     CPPUNIT_ASSERT( s1u == _T("HELLO!") );
 356     CPPUNIT_ASSERT( s1l == _T("hello!") );
 357     CPPUNIT_ASSERT( s2u == wxEmptyString );
 358     CPPUNIT_ASSERT( s2l == wxEmptyString );
 359
 360 #if !wxUSE_UNICODE
 361     wxLocale locRu(wxLANGUAGE_RUSSIAN, 0 /* flags */);
 362     if ( locRu.IsOk() )
 363     {
 364         // try upper casing 8bit strings
 365         wxString sUpper("\xdf"),
 366                  sLower("\xff");
 367
 368         CPPUNIT_ASSERT( sUpper.Lower() == sLower );
 369         CPPUNIT_ASSERT( sLower.Upper() == sUpper );
 370     }
 371 #endif // !wxUSE_UNICODE
 372 }
 373
 374 void StringTestCase::Compare()
 375 {
 376     wxString s1 = wxT("AHH");
 377     wxString eq = wxT("AHH");
 378     wxString neq1 = wxT("HAH");
 379     wxString neq2 = wxT("AH");
 380     wxString neq3 = wxT("AHHH");
 381     wxString neq4 = wxT("AhH");
 382
 383     CPPUNIT_ASSERT( s1 == eq );
 384     CPPUNIT_ASSERT( s1 != neq1 );
 385     CPPUNIT_ASSERT( s1 != neq2 );
 386     CPPUNIT_ASSERT( s1 != neq3 );
 387     CPPUNIT_ASSERT( s1 != neq4 );
 388
 389 //    wxString _s1 = wxT("A\0HH");
 390 //    wxString _eq = wxT("A\0HH");
 391 //    wxString _neq1 = wxT("H\0AH");
 392 //    wxString _neq2 = wxT("A\0H");
 393 //    wxString _neq3 = wxT("A\0HHH");
 394 //    wxString _neq4 = wxT("A\0hH");
 395     s1.insert(1,1,'\0');
 396     eq.insert(1,1,'\0');
 397     neq1.insert(1,1,'\0');
 398     neq2.insert(1,1,'\0');
 399     neq3.insert(1,1,'\0');
 400     neq4.insert(1,1,'\0');
 401
 402     CPPUNIT_ASSERT( s1 == eq );
 403     CPPUNIT_ASSERT( s1 != neq1 );
 404     CPPUNIT_ASSERT( s1 != neq2 );
 405     CPPUNIT_ASSERT( s1 != neq3 );
 406     CPPUNIT_ASSERT( s1 != neq4 );
 407 }
 408
 409 void StringTestCase::CompareNoCase()
 410 {
 411     wxString s1 = wxT("AHH");
 412     wxString eq = wxT("AHH");
 413     wxString eq2 = wxT("AhH");
 414     wxString eq3 = wxT("ahh");
 415     wxString neq = wxT("HAH");
 416     wxString neq2 = wxT("AH");
 417     wxString neq3 = wxT("AHHH");
 418
 419     #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
 420     #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
 421
 422     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 423     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 424     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 425
 426     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 427     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 428     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 429
 430
 431 //    wxString _s1 = wxT("A\0HH");
 432 //    wxString _eq = wxT("A\0HH");
 433 //    wxString _eq2 = wxT("A\0hH");
 434 //    wxString _eq3 = wxT("a\0hh");
 435 //    wxString _neq = wxT("H\0AH");
 436 //    wxString _neq2 = wxT("A\0H");
 437 //    wxString _neq3 = wxT("A\0HHH");
 438
 439     s1.insert(1,1,'\0');
 440     eq.insert(1,1,'\0');
 441     eq2.insert(1,1,'\0');
 442     eq3.insert(1,1,'\0');
 443     neq.insert(1,1,'\0');
 444     neq2.insert(1,1,'\0');
 445     neq3.insert(1,1,'\0');
 446
 447     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 448     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 449     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 450
 451     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 452     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 453     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 454 }
 455