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 "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 // ----------------------------------------------------------------------------
  25 // test class
  26 // ----------------------------------------------------------------------------
  27
  28 class StringTestCase : public CppUnit::TestCase
  29 {
  30 public:
  31     StringTestCase();
  32
  33 private:
  34     CPPUNIT_TEST_SUITE( StringTestCase );
  35         CPPUNIT_TEST( String );
  36         CPPUNIT_TEST( PChar );
  37         CPPUNIT_TEST( Format );
  38         CPPUNIT_TEST( Constructors );
  39         CPPUNIT_TEST( StaticConstructors );
  40         CPPUNIT_TEST( Extraction );
  41         CPPUNIT_TEST( Trim );
  42         CPPUNIT_TEST( Find );
  43         CPPUNIT_TEST( Replace );
  44         CPPUNIT_TEST( Match );
  45         CPPUNIT_TEST( CaseChanges );
  46         CPPUNIT_TEST( Compare );
  47         CPPUNIT_TEST( CompareNoCase );
  48         CPPUNIT_TEST( Contains );
  49         CPPUNIT_TEST( ToLong );
  50         CPPUNIT_TEST( ToULong );
  51 #ifdef wxLongLong_t
  52         CPPUNIT_TEST( ToLongLong );
  53         CPPUNIT_TEST( ToULongLong );
  54 #endif // wxLongLong_t
  55         CPPUNIT_TEST( ToDouble );
  56         CPPUNIT_TEST( WriteBuf );
  57         CPPUNIT_TEST( UTF8Buf );
  58         CPPUNIT_TEST( CStrDataTernaryOperator );
  59         CPPUNIT_TEST( CStrDataOperators );
  60         CPPUNIT_TEST( CStrDataImplicitConversion );
  61         CPPUNIT_TEST( ExplicitConversion );
  62     CPPUNIT_TEST_SUITE_END();
  63
  64     void String();
  65     void PChar();
  66     void Format();
  67     void Constructors();
  68     void StaticConstructors();
  69     void Extraction();
  70     void Trim();
  71     void Find();
  72     void Replace();
  73     void Match();
  74     void CaseChanges();
  75     void Compare();
  76     void CompareNoCase();
  77     void Contains();
  78     void ToLong();
  79     void ToULong();
  80 #ifdef wxLongLong_t
  81     void ToLongLong();
  82     void ToULongLong();
  83 #endif // wxLongLong_t
  84     void ToDouble();
  85     void WriteBuf();
  86     void UTF8Buf();
  87     void CStrDataTernaryOperator();
  88     void DoCStrDataTernaryOperator(bool cond);
  89     void CStrDataOperators();
  90     void CStrDataImplicitConversion();
  91     void ExplicitConversion();
  92
  93     DECLARE_NO_COPY_CLASS(StringTestCase)
  94 };
  95
  96 // register in the unnamed registry so that these tests are run by default
  97 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
  98
  99 // also include in it's own registry so that these tests can be run alone
 100 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
 101
 102 StringTestCase::StringTestCase()
 103 {
 104 }
 105
 106 void StringTestCase::String()
 107 {
 108     wxString a, b, c;
 109
 110     a.reserve (128);
 111     b.reserve (128);
 112     c.reserve (128);
 113
 114     for (int i = 0; i < 2; ++i)
 115     {
 116         a = _T("Hello");
 117         b = _T(" world");
 118         c = _T("! How'ya doin'?");
 119         a += b;
 120         a += c;
 121         c = _T("Hello world! What's up?");
 122         CPPUNIT_ASSERT( c != a );
 123     }
 124 }
 125
 126 void StringTestCase::PChar()
 127 {
 128     wxChar a [128];
 129     wxChar b [128];
 130     wxChar c [128];
 131
 132     for (int i = 0; i < 2; ++i)
 133     {
 134         wxStrcpy (a, _T("Hello"));
 135         wxStrcpy (b, _T(" world"));
 136         wxStrcpy (c, _T("! How'ya doin'?"));
 137         wxStrcat (a, b);
 138         wxStrcat (a, c);
 139         wxStrcpy (c, _T("Hello world! What's up?"));
 140         CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
 141     }
 142 }
 143
 144 void StringTestCase::Format()
 145 {
 146     wxString s1,s2;
 147     s1.Printf(_T("%03d"), 18);
 148     CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
 149     s2.Printf(_T("Number 18: %s\n"), s1.c_str());
 150     CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
 151
 152     static const size_t lengths[] = { 1, 512, 1024, 1025, 2048, 4096, 4097 };
 153     for ( size_t n = 0; n < WXSIZEOF(lengths); n++ )
 154     {
 155         const size_t len = lengths[n];
 156
 157         wxString s(_T('Z'), len);
 158         CPPUNIT_ASSERT_EQUAL( len, wxString::Format(_T("%s"), s.c_str()).length());
 159     }
 160 }
 161
 162 void StringTestCase::Constructors()
 163 {
 164     WX_ASSERT_STR_EQUAL( "", wxString('Z', 0) );
 165     WX_ASSERT_STR_EQUAL( "Z", wxString('Z') );
 166     WX_ASSERT_STR_EQUAL( "ZZZZ", wxString('Z', 4) );
 167     WX_ASSERT_STR_EQUAL( "Hell", wxString("Hello", 4) );
 168     WX_ASSERT_STR_EQUAL( "Hello", wxString("Hello", 5) );
 169
 170 #if wxUSE_UNICODE
 171     WX_ASSERT_STR_EQUAL( L"", wxString(L'Z', 0) );
 172     WX_ASSERT_STR_EQUAL( L"Z", wxString(L'Z') );
 173     WX_ASSERT_STR_EQUAL( L"ZZZZ", wxString(L'Z', 4) );
 174     WX_ASSERT_STR_EQUAL( L"Hell", wxString(L"Hello", 4) );
 175     WX_ASSERT_STR_EQUAL( L"Hello", wxString(L"Hello", 5) );
 176 #endif // wxUSE_UNICODE
 177
 178     static const char *s = "?really!";
 179     const char *start = wxStrchr(s, 'r');
 180     const char *end = wxStrchr(s, '!');
 181     WX_ASSERT_STR_EQUAL( "really", wxString(start, end) );
 182
 183     // test if creating string from NULL C pointer works:
 184     WX_ASSERT_STR_EQUAL( "", wxString((const char *)NULL) );
 185 }
 186
 187 void StringTestCase::StaticConstructors()
 188 {
 189     WX_ASSERT_STR_EQUAL( "", wxString::FromAscii("") );
 190     WX_ASSERT_STR_EQUAL( "", wxString::FromAscii("Hello", 0) );
 191     WX_ASSERT_STR_EQUAL( "Hell", wxString::FromAscii("Hello", 4) );
 192     WX_ASSERT_STR_EQUAL( "Hello", wxString::FromAscii("Hello", 5) );
 193     WX_ASSERT_STR_EQUAL( "Hello", wxString::FromAscii("Hello") );
 194
 195     // FIXME: this doesn't work currently but should!
 196     //WX_ASSERT_SIZET_EQUAL( 1, wxString::FromAscii("", 1).length() );
 197
 198
 199     WX_ASSERT_STR_EQUAL( "", wxString::FromUTF8("") );
 200     WX_ASSERT_STR_EQUAL( "", wxString::FromUTF8("Hello", 0) );
 201     WX_ASSERT_STR_EQUAL( "Hell", wxString::FromUTF8("Hello", 4) );
 202     WX_ASSERT_STR_EQUAL( "Hello", wxString::FromUTF8("Hello", 5) );
 203     WX_ASSERT_STR_EQUAL( "Hello", wxString::FromUTF8("Hello") );
 204
 205     //WX_ASSERT_SIZET_EQUAL( 1, wxString::FromUTF8("", 1).length() );
 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 #if wxUSE_UNICODE
 221     static const char *germanUTF8 = "Oberfl\303\244che";
 222     wxString strUnicode(wxString::FromUTF8(germanUTF8));
 223
 224     CPPUNIT_ASSERT( strUnicode.Mid(0, 10) == strUnicode );
 225     CPPUNIT_ASSERT( strUnicode.Mid(7, 2) == "ch" );
 226 #endif // wxUSE_UNICODE
 227
 228     wxString rest;
 229
 230     #define TEST_STARTS_WITH(prefix, correct_rest, result)                    \
 231         CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest));            \
 232         if ( result )                                                         \
 233             WX_ASSERT_STR_EQUAL(correct_rest, rest)
 234
 235     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
 236     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
 237     TEST_STARTS_WITH( _T("Hello, world!"),   _T(""),              true  );
 238     TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""),              false );
 239     TEST_STARTS_WITH( _T(""),                _T("Hello, world!"), true  );
 240     TEST_STARTS_WITH( _T("Goodbye"),         _T(""),              false );
 241     TEST_STARTS_WITH( _T("Hi"),              _T(""),              false );
 242
 243     #undef TEST_STARTS_WITH
 244
 245     rest = "Hello world";
 246     CPPUNIT_ASSERT( rest.StartsWith("Hello ", &rest) );
 247     WX_ASSERT_STR_EQUAL("world", rest);
 248
 249     #define TEST_ENDS_WITH(suffix, correct_rest, result)                      \
 250         CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest));              \
 251         if ( result )                                                         \
 252             WX_ASSERT_STR_EQUAL(correct_rest, rest)
 253
 254     TEST_ENDS_WITH( _T(""),                 _T("Hello, world!"), true  );
 255     TEST_ENDS_WITH( _T("!"),                _T("Hello, world"),  true  );
 256     TEST_ENDS_WITH( _T(", world!"),         _T("Hello"),         true  );
 257     TEST_ENDS_WITH( _T("ello, world!"),     _T("H"),             true  );
 258     TEST_ENDS_WITH( _T("Hello, world!"),    _T(""),              true  );
 259     TEST_ENDS_WITH( _T("very long string"), _T(""),              false );
 260     TEST_ENDS_WITH( _T("?"),                _T(""),              false );
 261     TEST_ENDS_WITH( _T("Hello, world"),     _T(""),              false );
 262     TEST_ENDS_WITH( _T("Gello, world!"),    _T(""),              false );
 263
 264     #undef TEST_ENDS_WITH
 265 }
 266
 267 void StringTestCase::Trim()
 268 {
 269     #define TEST_TRIM( str , dir , result )  \
 270         CPPUNIT_ASSERT( wxString(str).Trim(dir) == result )
 271
 272     TEST_TRIM( _T("  Test  "),  true, _T("  Test") );
 273     TEST_TRIM( _T("    "),      true, _T("")       );
 274     TEST_TRIM( _T(" "),         true, _T("")       );
 275     TEST_TRIM( _T(""),          true, _T("")       );
 276
 277     TEST_TRIM( _T("  Test  "),  false, _T("Test  ") );
 278     TEST_TRIM( _T("    "),      false, _T("")       );
 279     TEST_TRIM( _T(" "),         false, _T("")       );
 280     TEST_TRIM( _T(""),          false, _T("")       );
 281
 282     #undef TEST_TRIM
 283 }
 284
 285 void StringTestCase::Find()
 286 {
 287     #define TEST_FIND( str , start , result )  \
 288         CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
 289
 290     TEST_FIND( _T("Well, hello world"),  0, 1              );
 291     TEST_FIND( _T("Well, hello world"),  6, 7              );
 292     TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
 293
 294     #undef TEST_FIND
 295 }
 296
 297 void StringTestCase::Replace()
 298 {
 299     #define TEST_REPLACE( original , pos , len , replacement , result ) \
 300         { \
 301             wxString s = original; \
 302             s.replace( pos , len , replacement ); \
 303             WX_ASSERT_STR_EQUAL( result, s ); \
 304         }
 305
 306     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );
 307     TEST_REPLACE( _T("increase"),      0, 2, _T("de"),     _T("decrease")      );
 308     TEST_REPLACE( _T("wxWindow"),      8, 0, _T("s"),      _T("wxWindows")     );
 309     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
 310     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 311
 312
 313     #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
 314         { \
 315             wxString s(o,olen); \
 316             s.replace( pos , len , replacement ); \
 317             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
 318         }
 319
 320     TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"),
 321                           _T("null\0dhar"), 9 );
 322
 323     #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
 324         { \
 325             wxString s(o,olen); \
 326             s.Replace( olds, news, all ); \
 327             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
 328         }
 329
 330     TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,
 331                           _T("null\0dehar"), 10 );
 332
 333     TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,
 334                           _T("null\0char"), 9 );
 335
 336     #undef TEST_WXREPLACE
 337     #undef TEST_NULLCHARREPLACE
 338     #undef TEST_REPLACE
 339 }
 340
 341 void StringTestCase::Match()
 342 {
 343     #define TEST_MATCH( s1 , s2 , result ) \
 344         CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
 345
 346     TEST_MATCH( _T("foobar"),    _T("foo*"),   true  );
 347     TEST_MATCH( _T("foobar"),    _T("*oo*"),   true  );
 348     TEST_MATCH( _T("foobar"),    _T("*bar"),   true  );
 349     TEST_MATCH( _T("foobar"),    _T("??????"), true  );
 350     TEST_MATCH( _T("foobar"),    _T("f??b*"),  true  );
 351     TEST_MATCH( _T("foobar"),    _T("f?b*"),   false );
 352     TEST_MATCH( _T("foobar"),    _T("*goo*"),  false );
 353     TEST_MATCH( _T("foobar"),    _T("*foo"),   false );
 354     TEST_MATCH( _T("foobarfoo"), _T("*foo"),   true  );
 355     TEST_MATCH( _T(""),          _T("*"),      true  );
 356     TEST_MATCH( _T(""),          _T("?"),      false );
 357
 358     #undef TEST_MATCH
 359 }
 360
 361
 362 void StringTestCase::CaseChanges()
 363 {
 364     wxString s1(_T("Hello!"));
 365     wxString s1u(s1);
 366     wxString s1l(s1);
 367     s1u.MakeUpper();
 368     s1l.MakeLower();
 369     wxString s2u, s2l;
 370     s2u.MakeUpper();
 371     s2l.MakeLower();
 372
 373     CPPUNIT_ASSERT( s1u == _T("HELLO!") );
 374     CPPUNIT_ASSERT( s1l == _T("hello!") );
 375     CPPUNIT_ASSERT( s2u == wxEmptyString );
 376     CPPUNIT_ASSERT( s2l == wxEmptyString );
 377
 378 #if !wxUSE_UNICODE
 379     wxLocale locRu(wxLANGUAGE_RUSSIAN, 0 /* flags */);
 380     if ( locRu.IsOk() )
 381     {
 382         // try upper casing 8bit strings
 383         const wchar_t capital_ya[] = { 0x42f, 0 },
 384                       small_ya[]   = { 0x44f, 0 };
 385
 386         wxString sUpper(wxConvLibc.cWC2MB(capital_ya)),
 387                  sLower(wxConvLibc.cWC2MB(small_ya));
 388
 389         CPPUNIT_ASSERT( sUpper.Lower() == sLower );
 390         CPPUNIT_ASSERT( sLower.Upper() == sUpper );
 391     }
 392 #endif // !wxUSE_UNICODE
 393 }
 394
 395 void StringTestCase::Compare()
 396 {
 397     wxString s1 = wxT("AHH");
 398     wxString eq = wxT("AHH");
 399     wxString neq1 = wxT("HAH");
 400     wxString neq2 = wxT("AH");
 401     wxString neq3 = wxT("AHHH");
 402     wxString neq4 = wxT("AhH");
 403
 404     CPPUNIT_ASSERT( s1 == eq );
 405     CPPUNIT_ASSERT( s1 != neq1 );
 406     CPPUNIT_ASSERT( s1 != neq2 );
 407     CPPUNIT_ASSERT( s1 != neq3 );
 408     CPPUNIT_ASSERT( s1 != neq4 );
 409
 410     CPPUNIT_ASSERT( s1 == wxT("AHH") );
 411     CPPUNIT_ASSERT( s1 != wxT("no") );
 412     CPPUNIT_ASSERT( s1 < wxT("AZ") );
 413     CPPUNIT_ASSERT( s1 <= wxT("AZ") );
 414     CPPUNIT_ASSERT( s1 <= wxT("AHH") );
 415     CPPUNIT_ASSERT( s1 > wxT("AA") );
 416     CPPUNIT_ASSERT( s1 >= wxT("AA") );
 417     CPPUNIT_ASSERT( s1 >= wxT("AHH") );
 418
 419     // test comparison with C strings in Unicode build (must work in ANSI as
 420     // well, of course):
 421     CPPUNIT_ASSERT( s1 == "AHH" );
 422     CPPUNIT_ASSERT( s1 != "no" );
 423     CPPUNIT_ASSERT( s1 < "AZ" );
 424     CPPUNIT_ASSERT( s1 <= "AZ" );
 425     CPPUNIT_ASSERT( s1 <= "AHH" );
 426     CPPUNIT_ASSERT( s1 > "AA" );
 427     CPPUNIT_ASSERT( s1 >= "AA" );
 428     CPPUNIT_ASSERT( s1 >= "AHH" );
 429
 430 //    wxString _s1 = wxT("A\0HH");
 431 //    wxString _eq = wxT("A\0HH");
 432 //    wxString _neq1 = wxT("H\0AH");
 433 //    wxString _neq2 = wxT("A\0H");
 434 //    wxString _neq3 = wxT("A\0HHH");
 435 //    wxString _neq4 = wxT("A\0hH");
 436     s1.insert(1,1,'\0');
 437     eq.insert(1,1,'\0');
 438     neq1.insert(1,1,'\0');
 439     neq2.insert(1,1,'\0');
 440     neq3.insert(1,1,'\0');
 441     neq4.insert(1,1,'\0');
 442
 443     CPPUNIT_ASSERT( s1 == eq );
 444     CPPUNIT_ASSERT( s1 != neq1 );
 445     CPPUNIT_ASSERT( s1 != neq2 );
 446     CPPUNIT_ASSERT( s1 != neq3 );
 447     CPPUNIT_ASSERT( s1 != neq4 );
 448 }
 449
 450 void StringTestCase::CompareNoCase()
 451 {
 452     wxString s1 = wxT("AHH");
 453     wxString eq = wxT("AHH");
 454     wxString eq2 = wxT("AhH");
 455     wxString eq3 = wxT("ahh");
 456     wxString neq = wxT("HAH");
 457     wxString neq2 = wxT("AH");
 458     wxString neq3 = wxT("AHHH");
 459
 460     #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
 461     #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
 462
 463     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 464     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 465     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 466
 467     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 468     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 469     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 470
 471
 472 //    wxString _s1 = wxT("A\0HH");
 473 //    wxString _eq = wxT("A\0HH");
 474 //    wxString _eq2 = wxT("A\0hH");
 475 //    wxString _eq3 = wxT("a\0hh");
 476 //    wxString _neq = wxT("H\0AH");
 477 //    wxString _neq2 = wxT("A\0H");
 478 //    wxString _neq3 = wxT("A\0HHH");
 479
 480     s1.insert(1,1,'\0');
 481     eq.insert(1,1,'\0');
 482     eq2.insert(1,1,'\0');
 483     eq3.insert(1,1,'\0');
 484     neq.insert(1,1,'\0');
 485     neq2.insert(1,1,'\0');
 486     neq3.insert(1,1,'\0');
 487
 488     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 489     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 490     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 491
 492     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 493     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 494     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 495 }
 496
 497 void StringTestCase::Contains()
 498 {
 499     static const struct ContainsData
 500     {
 501         const wxChar *hay;
 502         const wxChar *needle;
 503         bool contains;
 504     } containsData[] =
 505     {
 506         { _T(""),       _T(""),         true  },
 507         { _T(""),       _T("foo"),      false },
 508         { _T("foo"),    _T(""),         true  },
 509         { _T("foo"),    _T("f"),        true  },
 510         { _T("foo"),    _T("o"),        true  },
 511         { _T("foo"),    _T("oo"),       true  },
 512         { _T("foo"),    _T("ooo"),      false },
 513         { _T("foo"),    _T("oooo"),     false },
 514         { _T("foo"),    _T("fooo"),     false },
 515     };
 516
 517     for ( size_t n = 0; n < WXSIZEOF(containsData); n++ )
 518     {
 519         const ContainsData& cd = containsData[n];
 520         CPPUNIT_ASSERT_EQUAL( cd.contains, wxString(cd.hay).Contains(cd.needle) );
 521     }
 522 }
 523
 524 // flags used in ToLongData.flags
 525 enum
 526 {
 527     Number_Ok       = 0,
 528     Number_Invalid  = 1,
 529     Number_Unsigned = 2,    // if not specified, works for signed conversion
 530     Number_Signed   = 4,    // if not specified, works for unsigned
 531     Number_LongLong = 8,    // only for long long tests
 532     Number_Long     = 16,   // only for long tests
 533 };
 534
 535 static const struct ToLongData
 536 {
 537     const wxChar *str;
 538 #ifdef wxLongLong_t
 539     wxLongLong_t value;
 540 #else
 541     long value;
 542 #endif // wxLongLong_t
 543     int flags;
 544
 545     long LValue() const { return value; }
 546     unsigned long ULValue() const { return value; }
 547 #ifdef wxLongLong_t
 548     wxLongLong_t LLValue() const { return value; }
 549     wxULongLong_t ULLValue() const { return (wxULongLong_t)value; }
 550 #endif // wxLongLong_t
 551
 552     bool IsOk() const { return !(flags & Number_Invalid); }
 553 } longData[] =
 554 {
 555     { _T("1"), 1, Number_Ok },
 556     { _T("0"), 0, Number_Ok },
 557     { _T("a"), 0, Number_Invalid },
 558     { _T("12345"), 12345, Number_Ok },
 559     { _T("--1"), 0, Number_Invalid },
 560
 561     { _T("-1"), -1, Number_Signed | Number_Long },
 562     // this is surprizing but consistent with strtoul() behaviour
 563     { _T("-1"), ULONG_MAX, Number_Unsigned | Number_Long },
 564
 565     // this must overflow, even with 64 bit long
 566     { _T("922337203685477580711"), 0, Number_Invalid },
 567
 568 #ifdef wxLongLong_t
 569     { _T("2147483648"), wxLL(2147483648), Number_LongLong },
 570     { _T("-2147483648"), wxLL(-2147483648), Number_LongLong | Number_Signed },
 571     { _T("9223372036854775808"), wxULL(9223372036854775808), Number_LongLong |
 572                                                              Number_Unsigned },
 573 #endif // wxLongLong_t
 574 };
 575
 576 void StringTestCase::ToLong()
 577 {
 578     long l;
 579     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 580     {
 581         const ToLongData& ld = longData[n];
 582
 583         if ( ld.flags & (Number_LongLong | Number_Unsigned) )
 584             continue;
 585
 586         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLong(&l) );
 587         if ( ld.IsOk() )
 588             CPPUNIT_ASSERT_EQUAL( ld.LValue(), l );
 589     }
 590 }
 591
 592 void StringTestCase::ToULong()
 593 {
 594     unsigned long ul;
 595     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 596     {
 597         const ToLongData& ld = longData[n];
 598
 599         if ( ld.flags & (Number_LongLong | Number_Signed) )
 600             continue;
 601
 602         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULong(&ul) );
 603         if ( ld.IsOk() )
 604             CPPUNIT_ASSERT_EQUAL( ld.ULValue(), ul );
 605     }
 606 }
 607
 608 #ifdef wxLongLong_t
 609
 610 void StringTestCase::ToLongLong()
 611 {
 612     wxLongLong_t l;
 613     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 614     {
 615         const ToLongData& ld = longData[n];
 616
 617         if ( ld.flags & (Number_Long | Number_Unsigned) )
 618             continue;
 619
 620         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLongLong(&l) );
 621         if ( ld.IsOk() )
 622             CPPUNIT_ASSERT_EQUAL( ld.LLValue(), l );
 623     }
 624 }
 625
 626 void StringTestCase::ToULongLong()
 627 {
 628     wxULongLong_t ul;
 629     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 630     {
 631         const ToLongData& ld = longData[n];
 632
 633         if ( ld.flags & (Number_Long | Number_Signed) )
 634             continue;
 635
 636         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULongLong(&ul) );
 637         if ( ld.IsOk() )
 638             CPPUNIT_ASSERT_EQUAL( ld.ULLValue(), ul );
 639     }
 640 }
 641
 642 #endif // wxLongLong_t
 643
 644 void StringTestCase::ToDouble()
 645 {
 646     double d;
 647     static const struct ToDoubleData
 648     {
 649         const wxChar *str;
 650         double value;
 651         bool ok;
 652     } doubleData[] =
 653     {
 654         { _T("1"), 1, true },
 655         { _T("1.23"), 1.23, true },
 656         { _T(".1"), .1, true },
 657         { _T("1."), 1, true },
 658         { _T("1.."), 0, false },
 659         { _T("0"), 0, true },
 660         { _T("a"), 0, false },
 661         { _T("12345"), 12345, true },
 662         { _T("-1"), -1, true },
 663         { _T("--1"), 0, false },
 664     };
 665
 666     // we need to use decimal point, not comma or whatever is its value for the
 667     // current locale
 668     wxSetlocale(LC_ALL, "C");
 669
 670     size_t n;
 671     for ( n = 0; n < WXSIZEOF(doubleData); n++ )
 672     {
 673         const ToDoubleData& ld = doubleData[n];
 674         CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToDouble(&d) );
 675         if ( ld.ok )
 676             CPPUNIT_ASSERT_EQUAL( ld.value, d );
 677     }
 678 }
 679
 680 void StringTestCase::WriteBuf()
 681 {
 682     wxString s;
 683     wxStrcpy(wxStringBuffer(s, 10), _T("foo"));
 684
 685     CPPUNIT_ASSERT(s[0u] == _T('f') );
 686     CPPUNIT_ASSERT(_T('f') == s[0u]);
 687     CPPUNIT_ASSERT(_T('o') == s[1]);
 688     CPPUNIT_ASSERT(_T('o') == s[2]);
 689     WX_ASSERT_SIZET_EQUAL(3, s.length());
 690
 691
 692     {
 693         wxStringBufferLength buf(s, 10);
 694         wxStrcpy(buf, _T("barrbaz"));
 695         buf.SetLength(4);
 696     }
 697
 698     CPPUNIT_ASSERT(_T('b') == s[0u]);
 699     CPPUNIT_ASSERT(_T('a') == s[1]);
 700     CPPUNIT_ASSERT(_T('r') == s[2]);
 701     CPPUNIT_ASSERT(_T('r') == s[3]);
 702     WX_ASSERT_SIZET_EQUAL(4, s.length());
 703
 704     CPPUNIT_ASSERT_EQUAL( 0, wxStrcmp(_T("barr"), s) );
 705 }
 706
 707 void StringTestCase::UTF8Buf()
 708 {
 709 #if wxUSE_UNICODE
 710     // "czech" in Czech ("cestina"):
 711     static const char *textUTF8 = "\304\215e\305\241tina";
 712     static const wchar_t textUTF16[] = {0x10D, 0x65, 0x161, 0x74, 0x69, 0x6E, 0x61, 0};
 713
 714     wxString s;
 715     wxStrcpy(wxUTF8StringBuffer(s, 9), textUTF8);
 716     CPPUNIT_ASSERT(s == textUTF16);
 717
 718     {
 719         wxUTF8StringBufferLength buf(s, 20);
 720         wxStrcpy(buf, textUTF8);
 721         buf.SetLength(5);
 722     }
 723     CPPUNIT_ASSERT(s == wxString(textUTF16, 0, 3));
 724 #endif // wxUSE_UNICODE
 725 }
 726
 727
 728
 729 void StringTestCase::CStrDataTernaryOperator()
 730 {
 731     DoCStrDataTernaryOperator(true);
 732     DoCStrDataTernaryOperator(false);
 733 }
 734
 735 template<typename T> bool CheckStr(const wxString& expected, T s)
 736 {
 737     return expected == wxString(s);
 738 }
 739
 740 void StringTestCase::DoCStrDataTernaryOperator(bool cond)
 741 {
 742     // test compilation of wxCStrData when used with operator?: (the asserts
 743     // are not very important, we're testing if the code compiles at all):
 744
 745     wxString s("foo");
 746
 747     const wchar_t *wcStr = L"foo";
 748     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : wcStr)) );
 749     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : L"foo")) );
 750     CPPUNIT_ASSERT( CheckStr(s, (cond ? wcStr : s.c_str())) );
 751     CPPUNIT_ASSERT( CheckStr(s, (cond ? L"foo" : s.c_str())) );
 752
 753     const char *mbStr = "foo";
 754     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : mbStr)) );
 755     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : "foo")) );
 756     CPPUNIT_ASSERT( CheckStr(s, (cond ? mbStr : s.c_str())) );
 757     CPPUNIT_ASSERT( CheckStr(s, (cond ? "foo" : s.c_str())) );
 758
 759     wxString empty("");
 760     CPPUNIT_ASSERT( CheckStr(empty, (cond ? empty.c_str() : wxEmptyString)) );
 761     CPPUNIT_ASSERT( CheckStr(empty, (cond ? wxEmptyString : empty.c_str())) );
 762 }
 763
 764 void StringTestCase::CStrDataOperators()
 765 {
 766     wxString s("hello");
 767
 768     CPPUNIT_ASSERT( s.c_str()[0] == 'h' );
 769     CPPUNIT_ASSERT( s.c_str()[1] == 'e' );
 770     CPPUNIT_ASSERT( s.c_str()[5] == '\0' );
 771
 772     CPPUNIT_ASSERT( *s.c_str() == 'h' );
 773     CPPUNIT_ASSERT( *(s.c_str() + 2) == 'l' );
 774     CPPUNIT_ASSERT( *(s.c_str() + 5) == '\0' );
 775 }
 776
 777 bool CheckStrChar(const wxString& expected, char *s)
 778     { return CheckStr(expected, s); }
 779 bool CheckStrWChar(const wxString& expected, wchar_t *s)
 780     { return CheckStr(expected, s); }
 781 bool CheckStrConstChar(const wxString& expected, const char *s)
 782     { return CheckStr(expected, s); }
 783 bool CheckStrConstWChar(const wxString& expected, const wchar_t *s)
 784     { return CheckStr(expected, s); }
 785
 786 void StringTestCase::CStrDataImplicitConversion()
 787 {
 788     wxString s("foo");
 789
 790     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.c_str()) );
 791     CPPUNIT_ASSERT( CheckStrConstChar(s, s.c_str()) );
 792
 793     // implicit conversion of wxString is not available in STL build
 794 #if !wxUSE_STL
 795     CPPUNIT_ASSERT( CheckStrConstWChar(s, s) );
 796     CPPUNIT_ASSERT( CheckStrConstChar(s, s) );
 797 #endif
 798 }
 799
 800 void StringTestCase::ExplicitConversion()
 801 {
 802     wxString s("foo");
 803
 804     CPPUNIT_ASSERT( CheckStr(s, s.mb_str()) );
 805     CPPUNIT_ASSERT( CheckStrConstChar(s, s.mb_str()) );
 806     CPPUNIT_ASSERT( CheckStrChar(s, s.char_str()) );
 807
 808     CPPUNIT_ASSERT( CheckStr(s, s.wc_str()) );
 809     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.wc_str()) );
 810     CPPUNIT_ASSERT( CheckStrWChar(s, s.wchar_str()) );
 811 }