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( TokenizerGetPosition );
  51         CPPUNIT_TEST( Replace );
  52         CPPUNIT_TEST( Match );
  53         CPPUNIT_TEST( CaseChanges );
  54         CPPUNIT_TEST( Compare );
  55         CPPUNIT_TEST( CompareNoCase );
  56     CPPUNIT_TEST_SUITE_END();
  57
  58     void String();
  59     void PChar();
  60     void Format();
  61     void Constructors();
  62 #if wxUSE_WCHAR_T
  63     void ConstructorsWithConversion();
  64 #endif
  65     void Conversion();
  66     void Extraction();
  67     void Find();
  68     void SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode );
  69     void Tokenizer();
  70     void TokenizerGetPosition();
  71     void Replace();
  72     void Match();
  73     void CaseChanges();
  74     void Compare();
  75     void CompareNoCase();
  76
  77     DECLARE_NO_COPY_CLASS(StringTestCase)
  78 };
  79
  80 // register in the unnamed registry so that these tests are run by default
  81 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
  82
  83 // also include in it's own registry so that these tests can be run alone
  84 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
  85
  86 StringTestCase::StringTestCase()
  87 {
  88 }
  89
  90 void StringTestCase::String()
  91 {
  92     wxString a, b, c;
  93
  94     a.reserve (128);
  95     b.reserve (128);
  96     c.reserve (128);
  97
  98     for (int i = 0; i < 2; ++i)
  99     {
 100         a = _T("Hello");
 101         b = _T(" world");
 102         c = _T("! How'ya doin'?");
 103         a += b;
 104         a += c;
 105         c = _T("Hello world! What's up?");
 106         CPPUNIT_ASSERT( c != a );
 107     }
 108 }
 109
 110 void StringTestCase::PChar()
 111 {
 112     wxChar a [128];
 113     wxChar b [128];
 114     wxChar c [128];
 115
 116     for (int i = 0; i < 2; ++i)
 117     {
 118         wxStrcpy (a, _T("Hello"));
 119         wxStrcpy (b, _T(" world"));
 120         wxStrcpy (c, _T("! How'ya doin'?"));
 121         wxStrcat (a, b);
 122         wxStrcat (a, c);
 123         wxStrcpy (c, _T("Hello world! What's up?"));
 124         CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
 125     }
 126 }
 127
 128 void StringTestCase::Format()
 129 {
 130     wxString s1,s2;
 131     s1.Printf(_T("%03d"), 18);
 132     CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
 133     s2.Printf(_T("Number 18: %s\n"), s1.c_str());
 134     CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
 135 }
 136
 137 void StringTestCase::Constructors()
 138 {
 139     #define TEST_CTOR(args, res)                                               \
 140         {                                                                      \
 141             wxString s args ;                                                  \
 142             CPPUNIT_ASSERT( s == res );                                        \
 143         }
 144
 145     TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
 146     TEST_CTOR((_T("Hello"), 4), _T("Hell"));
 147     TEST_CTOR((_T("Hello"), 5), _T("Hello"));
 148
 149     static const wxChar *s = _T("?really!");
 150     const wxChar *start = wxStrchr(s, _T('r'));
 151     const wxChar *end = wxStrchr(s, _T('!'));
 152     TEST_CTOR((start, end), _T("really"));
 153 }
 154
 155 #if wxUSE_WCHAR_T
 156 void StringTestCase::ConstructorsWithConversion()
 157 {
 158     // Déj`a in UTF-8 and wchar_t:
 159     const char utf8[] = {0x44,0xC3,0xA9,0x6A,0xC3,0xA0,0};
 160     const wchar_t wchar[] = {0x44,0xE9,0x6A,0xE0,0};
 161     const char utf8sub[] = {0x44,0xC3,0xA9,0x6A,0}; // "Dej"
 162
 163     wxString s1(utf8, wxConvUTF8);
 164     wxString s2(wchar, wxConvUTF8);
 165
 166 #if wxUSE_UNICODE
 167     CPPUNIT_ASSERT( s1 == wchar );
 168     CPPUNIT_ASSERT( s2 == wchar );
 169 #else
 170     CPPUNIT_ASSERT( s1 == utf8 );
 171     CPPUNIT_ASSERT( s2 == utf8 );
 172 #endif
 173
 174     wxString sub(utf8sub, wxConvUTF8); // "Dej" substring
 175     wxString s3(utf8, wxConvUTF8, 4);
 176     wxString s4(wchar, wxConvUTF8, 3);
 177
 178     CPPUNIT_ASSERT( s3 == sub );
 179     CPPUNIT_ASSERT( s4 == sub );
 180 }
 181 #endif
 182
 183 void StringTestCase::Conversion()
 184 {
 185 #if wxUSE_UNICODE
 186         wxString szTheString(L"The\0String", wxConvLibc, 10);
 187         wxCharBuffer theBuffer = szTheString.mb_str();
 188
 189         CPPUNIT_ASSERT( memcmp(theBuffer.data(), "The\0String", 11) == 0 );
 190
 191         wxString szTheString2("The\0String", wxConvLocal, 10);
 192         CPPUNIT_ASSERT( wxMemcmp(szTheString2.c_str(), L"The\0String", 11) == 0 );
 193 #else
 194 #   if wxUSE_WCHAR_T
 195         wxString szTheString(wxT("TheString"));
 196         szTheString.insert(3, 1, '\0');
 197         wxWCharBuffer theBuffer = szTheString.wc_str(wxConvLibc);
 198
 199         CPPUNIT_ASSERT( memcmp(theBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 );
 200
 201         wxString szLocalTheString(wxT("TheString"));
 202         szLocalTheString.insert(3, 1, '\0');
 203         wxWCharBuffer theLocalBuffer = szLocalTheString.wc_str(wxConvLocal);
 204
 205         CPPUNIT_ASSERT( memcmp(theLocalBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 );
 206 #   endif
 207 #endif
 208 }
 209
 210 void StringTestCase::Extraction()
 211 {
 212     wxString s(_T("Hello, world!"));
 213
 214     CPPUNIT_ASSERT( wxStrcmp( s.c_str() , _T("Hello, world!") ) == 0 );
 215     CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , _T("Hello") ) == 0 );
 216     CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , _T("world!") ) == 0 );
 217     CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 );
 218     CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , _T("lo, world!") ) == 0 );
 219     CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
 220     CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
 221
 222     wxString rest;
 223
 224     #define TEST_STARTS_WITH( prefix , correct_rest, result ) \
 225         CPPUNIT_ASSERT( \
 226             ( s.StartsWith( prefix, &rest ) == result ) && \
 227             ( ( result == false ) || ( wxStrcmp( correct_rest , rest ) == 0 ) ) \
 228         )
 229
 230     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
 231     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
 232     TEST_STARTS_WITH( _T("Hello, world!"),   _T(""),              true  );
 233     TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""),              false );
 234     TEST_STARTS_WITH( _T(""),                _T("Hello, world!"), true  );
 235     TEST_STARTS_WITH( _T("Goodbye"),         _T(""),              false );
 236     TEST_STARTS_WITH( _T("Hi"),              _T(""),              false );
 237
 238     #undef TEST_STARTS_WITH
 239 }
 240
 241 void StringTestCase::Find()
 242 {
 243     #define TEST_FIND( str , start , result )  \
 244         CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
 245
 246     TEST_FIND( _T("Well, hello world"),  0, 1              );
 247     TEST_FIND( _T("Well, hello world"),  6, 7              );
 248     TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
 249
 250     #undef TEST_FIND
 251 }
 252
 253 void StringTestCase::SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode )
 254 {
 255     wxStringTokenizer tkz( str, delims, mode);
 256     CPPUNIT_ASSERT( tkz.CountTokens() == count );
 257
 258     wxChar *buf, *s = NULL, *last;
 259
 260     if ( tkz.GetMode() == wxTOKEN_STRTOK )
 261     {
 262         buf = new wxChar[wxStrlen(str) + 1];
 263         wxStrcpy(buf, str);
 264         s = wxStrtok(buf, delims, &last);
 265     }
 266     else
 267     {
 268         buf = NULL;
 269     }
 270
 271     size_t count2 = 0;
 272     while ( tkz.HasMoreTokens() )
 273     {
 274         wxString token = tkz.GetNextToken();
 275         if ( buf )
 276         {
 277             CPPUNIT_ASSERT( token == s );
 278             s = wxStrtok(NULL, delims, &last);
 279         }
 280         count2++;
 281     }
 282
 283     CPPUNIT_ASSERT( count2 == count );
 284     if ( buf )
 285     {
 286         delete [] buf;
 287     }
 288 }
 289
 290 void StringTestCase::Tokenizer()
 291 {
 292     SingleTokenizerTest( _T(""),                                           _T(" "),              0, 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(","),              2, wxTOKEN_DEFAULT       );
 296     SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             2, wxTOKEN_DEFAULT       );
 297     SingleTokenizerTest( _T("Hello,, world!"),                             _T(",!"),             3, wxTOKEN_DEFAULT       );
 298     SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             3, wxTOKEN_RET_EMPTY_ALL );
 299     SingleTokenizerTest( _T("username:password:uid:gid:gecos:home:shell"), _T(":"),              7, wxTOKEN_DEFAULT       );
 300     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 4, wxTOKEN_DEFAULT       );
 301     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 6, wxTOKEN_RET_EMPTY     );
 302     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 9, wxTOKEN_RET_EMPTY_ALL );
 303     SingleTokenizerTest( _T("01/02/99"),                                   _T("/-"),             3, wxTOKEN_DEFAULT       );
 304     SingleTokenizerTest( _T("01-02/99"),                                   _T("/-"),             3, wxTOKEN_RET_DELIMS    );
 305 }
 306
 307 // call this with the string to tokenize, delimeters to use and the expected
 308 // positions (i.e. results of GetPosition()) after each GetNextToken() call,
 309 // terminate positions with 0
 310 static void
 311 DoTokenizerGetPosition(const wxChar *s, const wxChar *delims, int pos, ...)
 312 {
 313     wxStringTokenizer tkz(s, delims);
 314
 315     CPPUNIT_ASSERT( tkz.GetPosition() == 0 );
 316
 317     va_list ap;
 318     va_start(ap, pos);
 319
 320     for ( ;; )
 321     {
 322         if ( !pos )
 323         {
 324             CPPUNIT_ASSERT( !tkz.HasMoreTokens() );
 325             break;
 326         }
 327
 328         tkz.GetNextToken();
 329
 330         CPPUNIT_ASSERT( tkz.GetPosition() == (size_t)pos );
 331
 332         pos = va_arg(ap, int);
 333     }
 334
 335     va_end(ap);
 336 }
 337
 338 void StringTestCase::TokenizerGetPosition()
 339 {
 340     DoTokenizerGetPosition(_T("foo"), _T("_"), 3, 0);
 341     DoTokenizerGetPosition(_T("foo_bar"), _T("_"), 3, 7, 0);
 342     DoTokenizerGetPosition(_T("foo_bar_"), _T("_"), 3, 7,8,  0);
 343 }
 344
 345 void StringTestCase::Replace()
 346 {
 347     #define TEST_REPLACE( original , pos , len , replacement , result ) \
 348         { \
 349             wxString s = original; \
 350             s.replace( pos , len , replacement ); \
 351             CPPUNIT_ASSERT( s == result ); \
 352         }
 353
 354     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );
 355     TEST_REPLACE( _T("increase"),      0, 2, _T("de"),     _T("decrease")      );
 356     TEST_REPLACE( _T("wxWindow"),      8, 0, _T("s"),      _T("wxWindows")     );
 357     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
 358     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 359
 360     #undef TEST_REPLACE
 361 }
 362
 363 void StringTestCase::Match()
 364 {
 365     #define TEST_MATCH( s1 , s2 , result ) \
 366         CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
 367
 368     TEST_MATCH( _T("foobar"),    _T("foo*"),   true  );
 369     TEST_MATCH( _T("foobar"),    _T("*oo*"),   true  );
 370     TEST_MATCH( _T("foobar"),    _T("*bar"),   true  );
 371     TEST_MATCH( _T("foobar"),    _T("??????"), true  );
 372     TEST_MATCH( _T("foobar"),    _T("f??b*"),  true  );
 373     TEST_MATCH( _T("foobar"),    _T("f?b*"),   false );
 374     TEST_MATCH( _T("foobar"),    _T("*goo*"),  false );
 375     TEST_MATCH( _T("foobar"),    _T("*foo"),   false );
 376     TEST_MATCH( _T("foobarfoo"), _T("*foo"),   true  );
 377     TEST_MATCH( _T(""),          _T("*"),      true  );
 378     TEST_MATCH( _T(""),          _T("?"),      false );
 379
 380     #undef TEST_MATCH
 381 }
 382
 383
 384 void StringTestCase::CaseChanges()
 385 {
 386     wxString s1(_T("Hello!"));
 387     wxString s1u(s1);
 388     wxString s1l(s1);
 389     s1u.MakeUpper();
 390     s1l.MakeLower();
 391     wxString s2u, s2l;
 392     s2u.MakeUpper();
 393     s2l.MakeLower();
 394
 395     CPPUNIT_ASSERT( s1u == _T("HELLO!") );
 396     CPPUNIT_ASSERT( s1l == _T("hello!") );
 397     CPPUNIT_ASSERT( s2u == wxEmptyString );
 398     CPPUNIT_ASSERT( s2l == wxEmptyString );
 399
 400 #if !wxUSE_UNICODE
 401     wxLocale locRu(wxLANGUAGE_RUSSIAN, 0 /* flags */);
 402     if ( locRu.IsOk() )
 403     {
 404         // try upper casing 8bit strings
 405         wxString sUpper("\xdf"),
 406                  sLower("\xff");
 407
 408         CPPUNIT_ASSERT( sUpper.Lower() == sLower );
 409         CPPUNIT_ASSERT( sLower.Upper() == sUpper );
 410     }
 411 #endif // !wxUSE_UNICODE
 412 }
 413
 414 void StringTestCase::Compare()
 415 {
 416     wxString s1 = wxT("AHH");
 417     wxString eq = wxT("AHH");
 418     wxString neq1 = wxT("HAH");
 419     wxString neq2 = wxT("AH");
 420     wxString neq3 = wxT("AHHH");
 421     wxString neq4 = wxT("AhH");
 422
 423     CPPUNIT_ASSERT( s1 == eq );
 424     CPPUNIT_ASSERT( s1 != neq1 );
 425     CPPUNIT_ASSERT( s1 != neq2 );
 426     CPPUNIT_ASSERT( s1 != neq3 );
 427     CPPUNIT_ASSERT( s1 != neq4 );
 428
 429 //    wxString _s1 = wxT("A\0HH");
 430 //    wxString _eq = wxT("A\0HH");
 431 //    wxString _neq1 = wxT("H\0AH");
 432 //    wxString _neq2 = wxT("A\0H");
 433 //    wxString _neq3 = wxT("A\0HHH");
 434 //    wxString _neq4 = wxT("A\0hH");
 435     s1.insert(1,1,'\0');
 436     eq.insert(1,1,'\0');
 437     neq1.insert(1,1,'\0');
 438     neq2.insert(1,1,'\0');
 439     neq3.insert(1,1,'\0');
 440     neq4.insert(1,1,'\0');
 441
 442     CPPUNIT_ASSERT( s1 == eq );
 443     CPPUNIT_ASSERT( s1 != neq1 );
 444     CPPUNIT_ASSERT( s1 != neq2 );
 445     CPPUNIT_ASSERT( s1 != neq3 );
 446     CPPUNIT_ASSERT( s1 != neq4 );
 447 }
 448
 449 void StringTestCase::CompareNoCase()
 450 {
 451     wxString s1 = wxT("AHH");
 452     wxString eq = wxT("AHH");
 453     wxString eq2 = wxT("AhH");
 454     wxString eq3 = wxT("ahh");
 455     wxString neq = wxT("HAH");
 456     wxString neq2 = wxT("AH");
 457     wxString neq3 = wxT("AHHH");
 458
 459     #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
 460     #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
 461
 462     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 463     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 464     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 465
 466     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 467     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 468     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 469
 470
 471 //    wxString _s1 = wxT("A\0HH");
 472 //    wxString _eq = wxT("A\0HH");
 473 //    wxString _eq2 = wxT("A\0hH");
 474 //    wxString _eq3 = wxT("a\0hh");
 475 //    wxString _neq = wxT("H\0AH");
 476 //    wxString _neq2 = wxT("A\0H");
 477 //    wxString _neq3 = wxT("A\0HHH");
 478
 479     s1.insert(1,1,'\0');
 480     eq.insert(1,1,'\0');
 481     eq2.insert(1,1,'\0');
 482     eq3.insert(1,1,'\0');
 483     neq.insert(1,1,'\0');
 484     neq2.insert(1,1,'\0');
 485     neq3.insert(1,1,'\0');
 486
 487     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 488     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 489     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 490
 491     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 492     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 493     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 494 }
 495