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( StringBuf );
  57         CPPUNIT_TEST( UTF8Buf );
  58         CPPUNIT_TEST( CStrDataTernaryOperator );
  59         CPPUNIT_TEST( CStrDataOperators );
  60         CPPUNIT_TEST( CStrDataImplicitConversion );
  61         CPPUNIT_TEST( ExplicitConversion );
  62         CPPUNIT_TEST( IndexedAccess );
  63     CPPUNIT_TEST_SUITE_END();
  64
  65     void String();
  66     void PChar();
  67     void Format();
  68     void Constructors();
  69     void StaticConstructors();
  70     void Extraction();
  71     void Trim();
  72     void Find();
  73     void Replace();
  74     void Match();
  75     void CaseChanges();
  76     void Compare();
  77     void CompareNoCase();
  78     void Contains();
  79     void ToLong();
  80     void ToULong();
  81 #ifdef wxLongLong_t
  82     void ToLongLong();
  83     void ToULongLong();
  84 #endif // wxLongLong_t
  85     void ToDouble();
  86     void StringBuf();
  87     void UTF8Buf();
  88     void CStrDataTernaryOperator();
  89     void DoCStrDataTernaryOperator(bool cond);
  90     void CStrDataOperators();
  91     void CStrDataImplicitConversion();
  92     void ExplicitConversion();
  93     void IndexedAccess();
  94
  95     DECLARE_NO_COPY_CLASS(StringTestCase)
  96 };
  97
  98 // register in the unnamed registry so that these tests are run by default
  99 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
 100
 101 // also include in it's own registry so that these tests can be run alone
 102 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
 103
 104 StringTestCase::StringTestCase()
 105 {
 106 }
 107
 108 void StringTestCase::String()
 109 {
 110     wxString a, b, c;
 111
 112     a.reserve (128);
 113     b.reserve (128);
 114     c.reserve (128);
 115
 116     for (int i = 0; i < 2; ++i)
 117     {
 118         a = _T("Hello");
 119         b = _T(" world");
 120         c = _T("! How'ya doin'?");
 121         a += b;
 122         a += c;
 123         c = _T("Hello world! What's up?");
 124         CPPUNIT_ASSERT( c != a );
 125     }
 126 }
 127
 128 void StringTestCase::PChar()
 129 {
 130     wxChar a [128];
 131     wxChar b [128];
 132     wxChar c [128];
 133
 134     for (int i = 0; i < 2; ++i)
 135     {
 136         wxStrcpy (a, _T("Hello"));
 137         wxStrcpy (b, _T(" world"));
 138         wxStrcpy (c, _T("! How'ya doin'?"));
 139         wxStrcat (a, b);
 140         wxStrcat (a, c);
 141         wxStrcpy (c, _T("Hello world! What's up?"));
 142         CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
 143     }
 144 }
 145
 146 void StringTestCase::Format()
 147 {
 148     wxString s1,s2;
 149     s1.Printf(_T("%03d"), 18);
 150     CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
 151     s2.Printf(_T("Number 18: %s\n"), s1.c_str());
 152     CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
 153
 154     static const size_t lengths[] = { 1, 512, 1024, 1025, 2048, 4096, 4097 };
 155     for ( size_t n = 0; n < WXSIZEOF(lengths); n++ )
 156     {
 157         const size_t len = lengths[n];
 158
 159         wxString s(_T('Z'), len);
 160         CPPUNIT_ASSERT_EQUAL( len, wxString::Format(_T("%s"), s.c_str()).length());
 161     }
 162 }
 163
 164 void StringTestCase::Constructors()
 165 {
 166     CPPUNIT_ASSERT_EQUAL( "", wxString('Z', 0) );
 167     CPPUNIT_ASSERT_EQUAL( "Z", wxString('Z') );
 168     CPPUNIT_ASSERT_EQUAL( "ZZZZ", wxString('Z', 4) );
 169     CPPUNIT_ASSERT_EQUAL( "Hell", wxString("Hello", 4) );
 170     CPPUNIT_ASSERT_EQUAL( "Hello", wxString("Hello", 5) );
 171
 172 #if wxUSE_UNICODE
 173     CPPUNIT_ASSERT_EQUAL( L"", wxString(L'Z', 0) );
 174     CPPUNIT_ASSERT_EQUAL( L"Z", wxString(L'Z') );
 175     CPPUNIT_ASSERT_EQUAL( L"ZZZZ", wxString(L'Z', 4) );
 176     CPPUNIT_ASSERT_EQUAL( L"Hell", wxString(L"Hello", 4) );
 177     CPPUNIT_ASSERT_EQUAL( L"Hello", wxString(L"Hello", 5) );
 178 #endif // wxUSE_UNICODE
 179
 180     static const char *s = "?really!";
 181     const char *start = wxStrchr(s, 'r');
 182     const char *end = wxStrchr(s, '!');
 183     CPPUNIT_ASSERT_EQUAL( "really", wxString(start, end) );
 184
 185     // test if creating string from NULL C pointer works:
 186     CPPUNIT_ASSERT_EQUAL( "", wxString((const char *)NULL) );
 187 }
 188
 189 void StringTestCase::StaticConstructors()
 190 {
 191     CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("") );
 192     CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("Hello", 0) );
 193     CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromAscii("Hello", 4) );
 194     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello", 5) );
 195     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello") );
 196
 197     // FIXME: this doesn't work currently but should!
 198     //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromAscii("", 1).length() );
 199
 200
 201     CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("") );
 202     CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("Hello", 0) );
 203     CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromUTF8("Hello", 4) );
 204     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello", 5) );
 205     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello") );
 206
 207     //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromUTF8("", 1).length() );
 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 #if wxUSE_UNICODE
 223     static const char *germanUTF8 = "Oberfl\303\244che";
 224     wxString strUnicode(wxString::FromUTF8(germanUTF8));
 225
 226     CPPUNIT_ASSERT( strUnicode.Mid(0, 10) == strUnicode );
 227     CPPUNIT_ASSERT( strUnicode.Mid(7, 2) == "ch" );
 228 #endif // wxUSE_UNICODE
 229
 230     wxString rest;
 231
 232     #define TEST_STARTS_WITH(prefix, correct_rest, result)                    \
 233         CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest));            \
 234         if ( result )                                                         \
 235             CPPUNIT_ASSERT_EQUAL(correct_rest, rest)
 236
 237     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
 238     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
 239     TEST_STARTS_WITH( _T("Hello, world!"),   _T(""),              true  );
 240     TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""),              false );
 241     TEST_STARTS_WITH( _T(""),                _T("Hello, world!"), true  );
 242     TEST_STARTS_WITH( _T("Goodbye"),         _T(""),              false );
 243     TEST_STARTS_WITH( _T("Hi"),              _T(""),              false );
 244
 245     #undef TEST_STARTS_WITH
 246
 247     rest = "Hello world";
 248     CPPUNIT_ASSERT( rest.StartsWith("Hello ", &rest) );
 249     CPPUNIT_ASSERT_EQUAL("world", rest);
 250
 251     #define TEST_ENDS_WITH(suffix, correct_rest, result)                      \
 252         CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest));              \
 253         if ( result )                                                         \
 254             CPPUNIT_ASSERT_EQUAL(correct_rest, rest)
 255
 256     TEST_ENDS_WITH( _T(""),                 _T("Hello, world!"), true  );
 257     TEST_ENDS_WITH( _T("!"),                _T("Hello, world"),  true  );
 258     TEST_ENDS_WITH( _T(", world!"),         _T("Hello"),         true  );
 259     TEST_ENDS_WITH( _T("ello, world!"),     _T("H"),             true  );
 260     TEST_ENDS_WITH( _T("Hello, world!"),    _T(""),              true  );
 261     TEST_ENDS_WITH( _T("very long string"), _T(""),              false );
 262     TEST_ENDS_WITH( _T("?"),                _T(""),              false );
 263     TEST_ENDS_WITH( _T("Hello, world"),     _T(""),              false );
 264     TEST_ENDS_WITH( _T("Gello, world!"),    _T(""),              false );
 265
 266     #undef TEST_ENDS_WITH
 267 }
 268
 269 void StringTestCase::Trim()
 270 {
 271     #define TEST_TRIM( str , dir , result )  \
 272         CPPUNIT_ASSERT( wxString(str).Trim(dir) == result )
 273
 274     TEST_TRIM( _T("  Test  "),  true, _T("  Test") );
 275     TEST_TRIM( _T("    "),      true, _T("")       );
 276     TEST_TRIM( _T(" "),         true, _T("")       );
 277     TEST_TRIM( _T(""),          true, _T("")       );
 278
 279     TEST_TRIM( _T("  Test  "),  false, _T("Test  ") );
 280     TEST_TRIM( _T("    "),      false, _T("")       );
 281     TEST_TRIM( _T(" "),         false, _T("")       );
 282     TEST_TRIM( _T(""),          false, _T("")       );
 283
 284     #undef TEST_TRIM
 285 }
 286
 287 void StringTestCase::Find()
 288 {
 289     #define TEST_FIND( str , start , result )  \
 290         CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
 291
 292     TEST_FIND( _T("Well, hello world"),  0, 1              );
 293     TEST_FIND( _T("Well, hello world"),  6, 7              );
 294     TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
 295
 296     #undef TEST_FIND
 297 }
 298
 299 void StringTestCase::Replace()
 300 {
 301     #define TEST_REPLACE( original , pos , len , replacement , result ) \
 302         { \
 303             wxString s = original; \
 304             s.replace( pos , len , replacement ); \
 305             CPPUNIT_ASSERT_EQUAL( result, s ); \
 306         }
 307
 308     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );
 309     TEST_REPLACE( _T("increase"),      0, 2, _T("de"),     _T("decrease")      );
 310     TEST_REPLACE( _T("wxWindow"),      8, 0, _T("s"),      _T("wxWindows")     );
 311     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
 312     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 313
 314
 315     #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
 316         { \
 317             wxString s(o,olen); \
 318             s.replace( pos , len , replacement ); \
 319             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
 320         }
 321
 322     TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"),
 323                           _T("null\0dhar"), 9 );
 324
 325     #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
 326         { \
 327             wxString s(o,olen); \
 328             s.Replace( olds, news, all ); \
 329             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
 330         }
 331
 332     TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,
 333                           _T("null\0dehar"), 10 );
 334
 335     TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,
 336                           _T("null\0char"), 9 );
 337
 338     TEST_WXREPLACE( "life", 4, "f", "", false, "lie", 3 );
 339
 340     #undef TEST_WXREPLACE
 341     #undef TEST_NULLCHARREPLACE
 342     #undef TEST_REPLACE
 343 }
 344
 345 void StringTestCase::Match()
 346 {
 347     #define TEST_MATCH( s1 , s2 , result ) \
 348         CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
 349
 350     TEST_MATCH( _T("foobar"),    _T("foo*"),   true  );
 351     TEST_MATCH( _T("foobar"),    _T("*oo*"),   true  );
 352     TEST_MATCH( _T("foobar"),    _T("*bar"),   true  );
 353     TEST_MATCH( _T("foobar"),    _T("??????"), true  );
 354     TEST_MATCH( _T("foobar"),    _T("f??b*"),  true  );
 355     TEST_MATCH( _T("foobar"),    _T("f?b*"),   false );
 356     TEST_MATCH( _T("foobar"),    _T("*goo*"),  false );
 357     TEST_MATCH( _T("foobar"),    _T("*foo"),   false );
 358     TEST_MATCH( _T("foobarfoo"), _T("*foo"),   true  );
 359     TEST_MATCH( _T(""),          _T("*"),      true  );
 360     TEST_MATCH( _T(""),          _T("?"),      false );
 361
 362     #undef TEST_MATCH
 363 }
 364
 365
 366 void StringTestCase::CaseChanges()
 367 {
 368     wxString s1(_T("Hello!"));
 369     wxString s1u(s1);
 370     wxString s1l(s1);
 371     s1u.MakeUpper();
 372     s1l.MakeLower();
 373
 374     CPPUNIT_ASSERT_EQUAL( _T("HELLO!"), s1u );
 375     CPPUNIT_ASSERT_EQUAL( _T("hello!"), s1l );
 376
 377     wxString s2u, s2l;
 378     s2u.MakeUpper();
 379     s2l.MakeLower();
 380
 381     CPPUNIT_ASSERT_EQUAL( "", s2u );
 382     CPPUNIT_ASSERT_EQUAL( "", s2l );
 383
 384
 385     wxString s3("good bye");
 386     CPPUNIT_ASSERT_EQUAL( "Good bye", s3.Capitalize() );
 387     s3.MakeCapitalized();
 388     CPPUNIT_ASSERT_EQUAL( "Good bye", s3 );
 389
 390     CPPUNIT_ASSERT_EQUAL( "Abc", wxString("ABC").Capitalize() );
 391
 392     CPPUNIT_ASSERT_EQUAL( "", wxString().Capitalize() );
 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::StringBuf()
 681 {
 682     // check that buffer can be used to write into the string
 683     wxString s;
 684     wxStrcpy(wxStringBuffer(s, 10), _T("foo"));
 685
 686     CPPUNIT_ASSERT_EQUAL(3, s.length());
 687     CPPUNIT_ASSERT(_T('f') == s[0u]);
 688     CPPUNIT_ASSERT(_T('o') == s[1]);
 689     CPPUNIT_ASSERT(_T('o') == s[2]);
 690
 691     {
 692         // also check that the buffer initially contains the original string
 693         // contents
 694         wxStringBuffer buf(s, 10);
 695         CPPUNIT_ASSERT_EQUAL( _T('f'), buf[0] );
 696         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[1] );
 697         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[2] );
 698         CPPUNIT_ASSERT_EQUAL( _T('\0'), buf[3] );
 699     }
 700
 701     {
 702         wxStringBufferLength buf(s, 10);
 703         CPPUNIT_ASSERT_EQUAL( _T('f'), buf[0] );
 704         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[1] );
 705         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[2] );
 706         CPPUNIT_ASSERT_EQUAL( _T('\0'), buf[3] );
 707
 708         // and check that it can be used to write only the specified number of
 709         // characters to the string
 710         wxStrcpy(buf, _T("barrbaz"));
 711         buf.SetLength(4);
 712     }
 713
 714     CPPUNIT_ASSERT_EQUAL(4, s.length());
 715     CPPUNIT_ASSERT(_T('b') == s[0u]);
 716     CPPUNIT_ASSERT(_T('a') == s[1]);
 717     CPPUNIT_ASSERT(_T('r') == s[2]);
 718     CPPUNIT_ASSERT(_T('r') == s[3]);
 719
 720     // check that creating buffer of length smaller than string works, i.e. at
 721     // least doesn't crash (it would if we naively copied the entire original
 722     // string contents in the buffer)
 723     *wxStringBuffer(s, 1) = '!';
 724 }
 725
 726 void StringTestCase::UTF8Buf()
 727 {
 728 #if wxUSE_UNICODE
 729     // "czech" in Czech ("cestina"):
 730     static const char *textUTF8 = "\304\215e\305\241tina";
 731     static const wchar_t textUTF16[] = {0x10D, 0x65, 0x161, 0x74, 0x69, 0x6E, 0x61, 0};
 732
 733     wxString s;
 734     wxStrcpy(wxUTF8StringBuffer(s, 9), textUTF8);
 735     CPPUNIT_ASSERT(s == textUTF16);
 736
 737     {
 738         wxUTF8StringBufferLength buf(s, 20);
 739         wxStrcpy(buf, textUTF8);
 740         buf.SetLength(5);
 741     }
 742     CPPUNIT_ASSERT(s == wxString(textUTF16, 0, 3));
 743 #endif // wxUSE_UNICODE
 744 }
 745
 746
 747
 748 void StringTestCase::CStrDataTernaryOperator()
 749 {
 750     DoCStrDataTernaryOperator(true);
 751     DoCStrDataTernaryOperator(false);
 752 }
 753
 754 template<typename T> bool CheckStr(const wxString& expected, T s)
 755 {
 756     return expected == wxString(s);
 757 }
 758
 759 void StringTestCase::DoCStrDataTernaryOperator(bool cond)
 760 {
 761     // test compilation of wxCStrData when used with operator?: (the asserts
 762     // are not very important, we're testing if the code compiles at all):
 763
 764     wxString s("foo");
 765
 766     const wchar_t *wcStr = L"foo";
 767     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : wcStr)) );
 768     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : L"foo")) );
 769     CPPUNIT_ASSERT( CheckStr(s, (cond ? wcStr : s.c_str())) );
 770     CPPUNIT_ASSERT( CheckStr(s, (cond ? L"foo" : s.c_str())) );
 771
 772     const char *mbStr = "foo";
 773     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : mbStr)) );
 774     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : "foo")) );
 775     CPPUNIT_ASSERT( CheckStr(s, (cond ? mbStr : s.c_str())) );
 776     CPPUNIT_ASSERT( CheckStr(s, (cond ? "foo" : s.c_str())) );
 777
 778     wxString empty("");
 779     CPPUNIT_ASSERT( CheckStr(empty, (cond ? empty.c_str() : wxEmptyString)) );
 780     CPPUNIT_ASSERT( CheckStr(empty, (cond ? wxEmptyString : empty.c_str())) );
 781 }
 782
 783 void StringTestCase::CStrDataOperators()
 784 {
 785     wxString s("hello");
 786
 787     CPPUNIT_ASSERT( s.c_str()[0] == 'h' );
 788     CPPUNIT_ASSERT( s.c_str()[1] == 'e' );
 789     CPPUNIT_ASSERT( s.c_str()[5] == '\0' );
 790
 791     CPPUNIT_ASSERT( *s.c_str() == 'h' );
 792     CPPUNIT_ASSERT( *(s.c_str() + 2) == 'l' );
 793     CPPUNIT_ASSERT( *(s.c_str() + 5) == '\0' );
 794 }
 795
 796 bool CheckStrChar(const wxString& expected, char *s)
 797     { return CheckStr(expected, s); }
 798 bool CheckStrWChar(const wxString& expected, wchar_t *s)
 799     { return CheckStr(expected, s); }
 800 bool CheckStrConstChar(const wxString& expected, const char *s)
 801     { return CheckStr(expected, s); }
 802 bool CheckStrConstWChar(const wxString& expected, const wchar_t *s)
 803     { return CheckStr(expected, s); }
 804
 805 void StringTestCase::CStrDataImplicitConversion()
 806 {
 807     wxString s("foo");
 808
 809     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.c_str()) );
 810     CPPUNIT_ASSERT( CheckStrConstChar(s, s.c_str()) );
 811
 812     // implicit conversion of wxString is not available in STL build
 813 #if !wxUSE_STL
 814     CPPUNIT_ASSERT( CheckStrConstWChar(s, s) );
 815     CPPUNIT_ASSERT( CheckStrConstChar(s, s) );
 816 #endif
 817 }
 818
 819 void StringTestCase::ExplicitConversion()
 820 {
 821     wxString s("foo");
 822
 823     CPPUNIT_ASSERT( CheckStr(s, s.mb_str()) );
 824     CPPUNIT_ASSERT( CheckStrConstChar(s, s.mb_str()) );
 825     CPPUNIT_ASSERT( CheckStrChar(s, s.char_str()) );
 826
 827     CPPUNIT_ASSERT( CheckStr(s, s.wc_str()) );
 828     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.wc_str()) );
 829     CPPUNIT_ASSERT( CheckStrWChar(s, s.wchar_str()) );
 830 }
 831
 832 void StringTestCase::IndexedAccess()
 833 {
 834     wxString s("bar");
 835     CPPUNIT_ASSERT_EQUAL( 'r', s[2] );
 836
 837     // this tests for a possible bug in UTF-8 based wxString implementation:
 838     // the 3rd character of the underlying byte string is going to change, but
 839     // the 3rd character of wxString should remain the same
 840     s[0] = L'\u00e9';
 841     CPPUNIT_ASSERT_EQUAL( 'r', s[2] );
 842 }
 843