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( Extraction );
  40         CPPUNIT_TEST( Trim );
  41         CPPUNIT_TEST( Find );
  42         CPPUNIT_TEST( Replace );
  43         CPPUNIT_TEST( Match );
  44         CPPUNIT_TEST( CaseChanges );
  45         CPPUNIT_TEST( Compare );
  46         CPPUNIT_TEST( CompareNoCase );
  47         CPPUNIT_TEST( Contains );
  48         CPPUNIT_TEST( ToLong );
  49         CPPUNIT_TEST( ToULong );
  50 #ifdef wxLongLong_t
  51         CPPUNIT_TEST( ToLongLong );
  52         CPPUNIT_TEST( ToULongLong );
  53 #endif // wxLongLong_t
  54         CPPUNIT_TEST( ToDouble );
  55         CPPUNIT_TEST( WriteBuf );
  56         CPPUNIT_TEST( CStrDataTernaryOperator );
  57         CPPUNIT_TEST( CStrDataOperators );
  58         CPPUNIT_TEST( CStrDataImplicitConversion );
  59         CPPUNIT_TEST( ExplicitConversion );
  60     CPPUNIT_TEST_SUITE_END();
  61
  62     void String();
  63     void PChar();
  64     void Format();
  65     void Constructors();
  66     void Extraction();
  67     void Trim();
  68     void Find();
  69     void Replace();
  70     void Match();
  71     void CaseChanges();
  72     void Compare();
  73     void CompareNoCase();
  74     void Contains();
  75     void ToLong();
  76     void ToULong();
  77 #ifdef wxLongLong_t
  78     void ToLongLong();
  79     void ToULongLong();
  80 #endif // wxLongLong_t
  81     void ToDouble();
  82     void WriteBuf();
  83     void CStrDataTernaryOperator();
  84     void DoCStrDataTernaryOperator(bool cond);
  85     void CStrDataOperators();
  86     void CStrDataImplicitConversion();
  87     void ExplicitConversion();
  88
  89     DECLARE_NO_COPY_CLASS(StringTestCase)
  90 };
  91
  92 // register in the unnamed registry so that these tests are run by default
  93 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
  94
  95 // also include in it's own registry so that these tests can be run alone
  96 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
  97
  98 StringTestCase::StringTestCase()
  99 {
 100 }
 101
 102 void StringTestCase::String()
 103 {
 104     wxString a, b, c;
 105
 106     a.reserve (128);
 107     b.reserve (128);
 108     c.reserve (128);
 109
 110     for (int i = 0; i < 2; ++i)
 111     {
 112         a = _T("Hello");
 113         b = _T(" world");
 114         c = _T("! How'ya doin'?");
 115         a += b;
 116         a += c;
 117         c = _T("Hello world! What's up?");
 118         CPPUNIT_ASSERT( c != a );
 119     }
 120 }
 121
 122 void StringTestCase::PChar()
 123 {
 124     wxChar a [128];
 125     wxChar b [128];
 126     wxChar c [128];
 127
 128     for (int i = 0; i < 2; ++i)
 129     {
 130         wxStrcpy (a, _T("Hello"));
 131         wxStrcpy (b, _T(" world"));
 132         wxStrcpy (c, _T("! How'ya doin'?"));
 133         wxStrcat (a, b);
 134         wxStrcat (a, c);
 135         wxStrcpy (c, _T("Hello world! What's up?"));
 136         CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
 137     }
 138 }
 139
 140 void StringTestCase::Format()
 141 {
 142     wxString s1,s2;
 143     s1.Printf(_T("%03d"), 18);
 144     CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
 145     s2.Printf(_T("Number 18: %s\n"), s1.c_str());
 146     CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
 147
 148     static const size_t lengths[] = { 1, 512, 1024, 1025, 2048, 4096, 4097 };
 149     for ( size_t n = 0; n < WXSIZEOF(lengths); n++ )
 150     {
 151         const size_t len = lengths[n];
 152
 153         wxString s(_T('Z'), len);
 154         CPPUNIT_ASSERT_EQUAL( len, wxString::Format(_T("%s"), s.c_str()).length());
 155     }
 156 }
 157
 158 void StringTestCase::Constructors()
 159 {
 160     #define TEST_CTOR(args, res)                                               \
 161         {                                                                      \
 162             wxString s args ;                                                  \
 163             CPPUNIT_ASSERT( s == res );                                        \
 164         }
 165
 166     TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
 167     TEST_CTOR((_T("Hello"), 4), _T("Hell"));
 168     TEST_CTOR((_T("Hello"), 5), _T("Hello"));
 169
 170     static const wxChar *s = _T("?really!");
 171     const wxChar *start = wxStrchr(s, _T('r'));
 172     const wxChar *end = wxStrchr(s, _T('!'));
 173     TEST_CTOR((start, end), _T("really"));
 174 }
 175
 176
 177 void StringTestCase::Extraction()
 178 {
 179     wxString s(_T("Hello, world!"));
 180
 181     CPPUNIT_ASSERT( wxStrcmp( s.c_str() , _T("Hello, world!") ) == 0 );
 182     CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , _T("Hello") ) == 0 );
 183     CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , _T("world!") ) == 0 );
 184     CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 );
 185     CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , _T("lo, world!") ) == 0 );
 186     CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
 187     CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
 188
 189     wxString rest;
 190
 191     #define TEST_STARTS_WITH(prefix, correct_rest, result)                    \
 192         CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest));            \
 193         if ( result )                                                         \
 194             CPPUNIT_ASSERT_EQUAL(wxString(correct_rest), rest)
 195
 196     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
 197     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
 198     TEST_STARTS_WITH( _T("Hello, world!"),   _T(""),              true  );
 199     TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""),              false );
 200     TEST_STARTS_WITH( _T(""),                _T("Hello, world!"), true  );
 201     TEST_STARTS_WITH( _T("Goodbye"),         _T(""),              false );
 202     TEST_STARTS_WITH( _T("Hi"),              _T(""),              false );
 203
 204     #undef TEST_STARTS_WITH
 205
 206     #define TEST_ENDS_WITH(suffix, correct_rest, result)                      \
 207         CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest));              \
 208         if ( result )                                                         \
 209             CPPUNIT_ASSERT_EQUAL(wxString(correct_rest), rest)
 210
 211     TEST_ENDS_WITH( _T(""),                 _T("Hello, world!"), true  );
 212     TEST_ENDS_WITH( _T("!"),                _T("Hello, world"),  true  );
 213     TEST_ENDS_WITH( _T(", world!"),         _T("Hello"),         true  );
 214     TEST_ENDS_WITH( _T("ello, world!"),     _T("H"),             true  );
 215     TEST_ENDS_WITH( _T("Hello, world!"),    _T(""),              true  );
 216     TEST_ENDS_WITH( _T("very long string"), _T(""),              false );
 217     TEST_ENDS_WITH( _T("?"),                _T(""),              false );
 218     TEST_ENDS_WITH( _T("Hello, world"),     _T(""),              false );
 219     TEST_ENDS_WITH( _T("Gello, world!"),    _T(""),              false );
 220
 221     #undef TEST_ENDS_WITH
 222 }
 223
 224 void StringTestCase::Trim()
 225 {
 226     #define TEST_TRIM( str , dir , result )  \
 227         CPPUNIT_ASSERT( wxString(str).Trim(dir) == result )
 228
 229     TEST_TRIM( _T("  Test  "),  true, _T("  Test") );
 230     TEST_TRIM( _T("    "),      true, _T("")       );
 231     TEST_TRIM( _T(" "),         true, _T("")       );
 232     TEST_TRIM( _T(""),          true, _T("")       );
 233
 234     TEST_TRIM( _T("  Test  "),  false, _T("Test  ") );
 235     TEST_TRIM( _T("    "),      false, _T("")       );
 236     TEST_TRIM( _T(" "),         false, _T("")       );
 237     TEST_TRIM( _T(""),          false, _T("")       );
 238
 239     #undef TEST_TRIM
 240 }
 241
 242 void StringTestCase::Find()
 243 {
 244     #define TEST_FIND( str , start , result )  \
 245         CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
 246
 247     TEST_FIND( _T("Well, hello world"),  0, 1              );
 248     TEST_FIND( _T("Well, hello world"),  6, 7              );
 249     TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
 250
 251     #undef TEST_FIND
 252 }
 253
 254 void StringTestCase::Replace()
 255 {
 256     #define TEST_REPLACE( original , pos , len , replacement , result ) \
 257         { \
 258             wxString s = original; \
 259             s.replace( pos , len , replacement ); \
 260             CPPUNIT_ASSERT( s == result ); \
 261         }
 262
 263     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );
 264     TEST_REPLACE( _T("increase"),      0, 2, _T("de"),     _T("decrease")      );
 265     TEST_REPLACE( _T("wxWindow"),      8, 0, _T("s"),      _T("wxWindows")     );
 266     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
 267     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 268
 269
 270     #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
 271         { \
 272             wxString s(o,olen); \
 273             s.replace( pos , len , replacement ); \
 274             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
 275         }
 276
 277     TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"),
 278                           _T("null\0dhar"), 9 );
 279
 280     #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
 281         { \
 282             wxString s(o,olen); \
 283             s.Replace( olds, news, all ); \
 284             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
 285         }
 286
 287     TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,
 288                           _T("null\0dehar"), 10 );
 289
 290     TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,
 291                           _T("null\0char"), 9 );
 292
 293     #undef TEST_WXREPLACE
 294     #undef TEST_NULLCHARREPLACE
 295     #undef TEST_REPLACE
 296 }
 297
 298 void StringTestCase::Match()
 299 {
 300     #define TEST_MATCH( s1 , s2 , result ) \
 301         CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
 302
 303     TEST_MATCH( _T("foobar"),    _T("foo*"),   true  );
 304     TEST_MATCH( _T("foobar"),    _T("*oo*"),   true  );
 305     TEST_MATCH( _T("foobar"),    _T("*bar"),   true  );
 306     TEST_MATCH( _T("foobar"),    _T("??????"), true  );
 307     TEST_MATCH( _T("foobar"),    _T("f??b*"),  true  );
 308     TEST_MATCH( _T("foobar"),    _T("f?b*"),   false );
 309     TEST_MATCH( _T("foobar"),    _T("*goo*"),  false );
 310     TEST_MATCH( _T("foobar"),    _T("*foo"),   false );
 311     TEST_MATCH( _T("foobarfoo"), _T("*foo"),   true  );
 312     TEST_MATCH( _T(""),          _T("*"),      true  );
 313     TEST_MATCH( _T(""),          _T("?"),      false );
 314
 315     #undef TEST_MATCH
 316 }
 317
 318
 319 void StringTestCase::CaseChanges()
 320 {
 321     wxString s1(_T("Hello!"));
 322     wxString s1u(s1);
 323     wxString s1l(s1);
 324     s1u.MakeUpper();
 325     s1l.MakeLower();
 326     wxString s2u, s2l;
 327     s2u.MakeUpper();
 328     s2l.MakeLower();
 329
 330     CPPUNIT_ASSERT( s1u == _T("HELLO!") );
 331     CPPUNIT_ASSERT( s1l == _T("hello!") );
 332     CPPUNIT_ASSERT( s2u == wxEmptyString );
 333     CPPUNIT_ASSERT( s2l == wxEmptyString );
 334
 335 #if !wxUSE_UNICODE
 336     wxLocale locRu(wxLANGUAGE_RUSSIAN, 0 /* flags */);
 337     if ( locRu.IsOk() )
 338     {
 339         // try upper casing 8bit strings
 340         const wchar_t capital_ya[] = { 0x42f, 0 },
 341                       small_ya[]   = { 0x44f, 0 };
 342
 343         wxString sUpper(wxConvLibc.cWC2MB(capital_ya)),
 344                  sLower(wxConvLibc.cWC2MB(small_ya));
 345
 346         CPPUNIT_ASSERT( sUpper.Lower() == sLower );
 347         CPPUNIT_ASSERT( sLower.Upper() == sUpper );
 348     }
 349 #endif // !wxUSE_UNICODE
 350 }
 351
 352 void StringTestCase::Compare()
 353 {
 354     wxString s1 = wxT("AHH");
 355     wxString eq = wxT("AHH");
 356     wxString neq1 = wxT("HAH");
 357     wxString neq2 = wxT("AH");
 358     wxString neq3 = wxT("AHHH");
 359     wxString neq4 = wxT("AhH");
 360
 361     CPPUNIT_ASSERT( s1 == eq );
 362     CPPUNIT_ASSERT( s1 != neq1 );
 363     CPPUNIT_ASSERT( s1 != neq2 );
 364     CPPUNIT_ASSERT( s1 != neq3 );
 365     CPPUNIT_ASSERT( s1 != neq4 );
 366
 367     CPPUNIT_ASSERT( s1 == wxT("AHH") );
 368     CPPUNIT_ASSERT( s1 != wxT("no") );
 369     CPPUNIT_ASSERT( s1 < wxT("AZ") );
 370     CPPUNIT_ASSERT( s1 <= wxT("AZ") );
 371     CPPUNIT_ASSERT( s1 <= wxT("AHH") );
 372     CPPUNIT_ASSERT( s1 > wxT("AA") );
 373     CPPUNIT_ASSERT( s1 >= wxT("AA") );
 374     CPPUNIT_ASSERT( s1 >= wxT("AHH") );
 375
 376     // test comparison with C strings in Unicode build (must work in ANSI as
 377     // well, of course):
 378     CPPUNIT_ASSERT( s1 == "AHH" );
 379     CPPUNIT_ASSERT( s1 != "no" );
 380     CPPUNIT_ASSERT( s1 < "AZ" );
 381     CPPUNIT_ASSERT( s1 <= "AZ" );
 382     CPPUNIT_ASSERT( s1 <= "AHH" );
 383     CPPUNIT_ASSERT( s1 > "AA" );
 384     CPPUNIT_ASSERT( s1 >= "AA" );
 385     CPPUNIT_ASSERT( s1 >= "AHH" );
 386
 387 //    wxString _s1 = wxT("A\0HH");
 388 //    wxString _eq = wxT("A\0HH");
 389 //    wxString _neq1 = wxT("H\0AH");
 390 //    wxString _neq2 = wxT("A\0H");
 391 //    wxString _neq3 = wxT("A\0HHH");
 392 //    wxString _neq4 = wxT("A\0hH");
 393     s1.insert(1,1,'\0');
 394     eq.insert(1,1,'\0');
 395     neq1.insert(1,1,'\0');
 396     neq2.insert(1,1,'\0');
 397     neq3.insert(1,1,'\0');
 398     neq4.insert(1,1,'\0');
 399
 400     CPPUNIT_ASSERT( s1 == eq );
 401     CPPUNIT_ASSERT( s1 != neq1 );
 402     CPPUNIT_ASSERT( s1 != neq2 );
 403     CPPUNIT_ASSERT( s1 != neq3 );
 404     CPPUNIT_ASSERT( s1 != neq4 );
 405 }
 406
 407 void StringTestCase::CompareNoCase()
 408 {
 409     wxString s1 = wxT("AHH");
 410     wxString eq = wxT("AHH");
 411     wxString eq2 = wxT("AhH");
 412     wxString eq3 = wxT("ahh");
 413     wxString neq = wxT("HAH");
 414     wxString neq2 = wxT("AH");
 415     wxString neq3 = wxT("AHHH");
 416
 417     #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
 418     #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
 419
 420     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 421     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 422     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 423
 424     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 425     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 426     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 427
 428
 429 //    wxString _s1 = wxT("A\0HH");
 430 //    wxString _eq = wxT("A\0HH");
 431 //    wxString _eq2 = wxT("A\0hH");
 432 //    wxString _eq3 = wxT("a\0hh");
 433 //    wxString _neq = wxT("H\0AH");
 434 //    wxString _neq2 = wxT("A\0H");
 435 //    wxString _neq3 = wxT("A\0HHH");
 436
 437     s1.insert(1,1,'\0');
 438     eq.insert(1,1,'\0');
 439     eq2.insert(1,1,'\0');
 440     eq3.insert(1,1,'\0');
 441     neq.insert(1,1,'\0');
 442     neq2.insert(1,1,'\0');
 443     neq3.insert(1,1,'\0');
 444
 445     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 446     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 447     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 448
 449     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 450     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 451     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 452 }
 453
 454 void StringTestCase::Contains()
 455 {
 456     static const struct ContainsData
 457     {
 458         const wxChar *hay;
 459         const wxChar *needle;
 460         bool contains;
 461     } containsData[] =
 462     {
 463         { _T(""),       _T(""),         true  },
 464         { _T(""),       _T("foo"),      false },
 465         { _T("foo"),    _T(""),         true  },
 466         { _T("foo"),    _T("f"),        true  },
 467         { _T("foo"),    _T("o"),        true  },
 468         { _T("foo"),    _T("oo"),       true  },
 469         { _T("foo"),    _T("ooo"),      false },
 470         { _T("foo"),    _T("oooo"),     false },
 471         { _T("foo"),    _T("fooo"),     false },
 472     };
 473
 474     for ( size_t n = 0; n < WXSIZEOF(containsData); n++ )
 475     {
 476         const ContainsData& cd = containsData[n];
 477         CPPUNIT_ASSERT_EQUAL( cd.contains, wxString(cd.hay).Contains(cd.needle) );
 478     }
 479 }
 480
 481 // flags used in ToLongData.flags
 482 enum
 483 {
 484     Number_Ok       = 0,
 485     Number_Invalid  = 1,
 486     Number_Unsigned = 2,    // if not specified, works for signed conversion
 487     Number_Signed   = 4,    // if not specified, works for unsigned
 488     Number_LongLong = 8,    // only for long long tests
 489     Number_Long     = 16,   // only for long tests
 490 };
 491
 492 static const struct ToLongData
 493 {
 494     const wxChar *str;
 495 #ifdef wxLongLong_t
 496     wxLongLong_t value;
 497 #else
 498     long value;
 499 #endif // wxLongLong_t
 500     int flags;
 501
 502     long LValue() const { return value; }
 503     unsigned long ULValue() const { return value; }
 504 #ifdef wxLongLong_t
 505     wxLongLong_t LLValue() const { return value; }
 506     wxULongLong_t ULLValue() const { return (wxULongLong_t)value; }
 507 #endif // wxLongLong_t
 508
 509     bool IsOk() const { return !(flags & Number_Invalid); }
 510 } longData[] =
 511 {
 512     { _T("1"), 1, Number_Ok },
 513     { _T("0"), 0, Number_Ok },
 514     { _T("a"), 0, Number_Invalid },
 515     { _T("12345"), 12345, Number_Ok },
 516     { _T("--1"), 0, Number_Invalid },
 517
 518     { _T("-1"), -1, Number_Signed | Number_Long },
 519     // this is surprizing but consistent with strtoul() behaviour
 520     { _T("-1"), ULONG_MAX, Number_Unsigned | Number_Long },
 521
 522     // this must overflow, even with 64 bit long
 523     { _T("922337203685477580711"), 0, Number_Invalid },
 524
 525 #ifdef wxLongLong_t
 526     { _T("2147483648"), wxLL(2147483648), Number_LongLong },
 527     { _T("-2147483648"), wxLL(-2147483648), Number_LongLong | Number_Signed },
 528     { _T("9223372036854775808"), wxULL(9223372036854775808), Number_LongLong |
 529                                                              Number_Unsigned },
 530 #endif // wxLongLong_t
 531 };
 532
 533 void StringTestCase::ToLong()
 534 {
 535     long l;
 536     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 537     {
 538         const ToLongData& ld = longData[n];
 539
 540         if ( ld.flags & (Number_LongLong | Number_Unsigned) )
 541             continue;
 542
 543         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLong(&l) );
 544         if ( ld.IsOk() )
 545             CPPUNIT_ASSERT_EQUAL( ld.LValue(), l );
 546     }
 547 }
 548
 549 void StringTestCase::ToULong()
 550 {
 551     unsigned long ul;
 552     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 553     {
 554         const ToLongData& ld = longData[n];
 555
 556         if ( ld.flags & (Number_LongLong | Number_Signed) )
 557             continue;
 558
 559         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULong(&ul) );
 560         if ( ld.IsOk() )
 561             CPPUNIT_ASSERT_EQUAL( ld.ULValue(), ul );
 562     }
 563 }
 564
 565 #ifdef wxLongLong_t
 566
 567 void StringTestCase::ToLongLong()
 568 {
 569     wxLongLong_t l;
 570     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 571     {
 572         const ToLongData& ld = longData[n];
 573
 574         if ( ld.flags & (Number_Long | Number_Unsigned) )
 575             continue;
 576
 577         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLongLong(&l) );
 578         if ( ld.IsOk() )
 579             CPPUNIT_ASSERT_EQUAL( ld.LLValue(), l );
 580     }
 581 }
 582
 583 void StringTestCase::ToULongLong()
 584 {
 585     wxULongLong_t ul;
 586     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 587     {
 588         const ToLongData& ld = longData[n];
 589
 590         if ( ld.flags & (Number_Long | Number_Signed) )
 591             continue;
 592
 593         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULongLong(&ul) );
 594         if ( ld.IsOk() )
 595             CPPUNIT_ASSERT_EQUAL( ld.ULLValue(), ul );
 596     }
 597 }
 598
 599 #endif // wxLongLong_t
 600
 601 void StringTestCase::ToDouble()
 602 {
 603     double d;
 604     static const struct ToDoubleData
 605     {
 606         const wxChar *str;
 607         double value;
 608         bool ok;
 609     } doubleData[] =
 610     {
 611         { _T("1"), 1, true },
 612         { _T("1.23"), 1.23, true },
 613         { _T(".1"), .1, true },
 614         { _T("1."), 1, true },
 615         { _T("1.."), 0, false },
 616         { _T("0"), 0, true },
 617         { _T("a"), 0, false },
 618         { _T("12345"), 12345, true },
 619         { _T("-1"), -1, true },
 620         { _T("--1"), 0, false },
 621     };
 622
 623     // we need to use decimal point, not comma or whatever is its value for the
 624     // current locale
 625     wxSetlocale(LC_ALL, _T("C"));
 626
 627     size_t n;
 628     for ( n = 0; n < WXSIZEOF(doubleData); n++ )
 629     {
 630         const ToDoubleData& ld = doubleData[n];
 631         CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToDouble(&d) );
 632         if ( ld.ok )
 633             CPPUNIT_ASSERT_EQUAL( ld.value, d );
 634     }
 635 }
 636
 637 void StringTestCase::WriteBuf()
 638 {
 639     wxString s;
 640     wxStrcpy(wxStringBuffer(s, 10), _T("foo"));
 641
 642     CPPUNIT_ASSERT(s[0u] == _T('f') );
 643     CPPUNIT_ASSERT(_T('f') == s[0u]);
 644     CPPUNIT_ASSERT(_T('o') == s[1]);
 645     CPPUNIT_ASSERT(_T('o') == s[2]);
 646     CPPUNIT_ASSERT_EQUAL((size_t)3, s.length());
 647
 648
 649     {
 650         wxStringBufferLength buf(s, 10);
 651         wxStrcpy(buf, _T("barrbaz"));
 652         buf.SetLength(4);
 653     }
 654
 655     CPPUNIT_ASSERT(_T('b') == s[0u]);
 656     CPPUNIT_ASSERT(_T('a') == s[1]);
 657     CPPUNIT_ASSERT(_T('r') == s[2]);
 658     CPPUNIT_ASSERT(_T('r') == s[3]);
 659     CPPUNIT_ASSERT_EQUAL((size_t)4, s.length());
 660
 661     CPPUNIT_ASSERT_EQUAL( 0, wxStrcmp(_T("barr"), s) );
 662 }
 663
 664
 665
 666 void StringTestCase::CStrDataTernaryOperator()
 667 {
 668     DoCStrDataTernaryOperator(true);
 669     DoCStrDataTernaryOperator(false);
 670 }
 671
 672 template<typename T> bool CheckStr(const wxString& expected, T s)
 673 {
 674     return expected == wxString(s);
 675 }
 676
 677 void StringTestCase::DoCStrDataTernaryOperator(bool cond)
 678 {
 679     // test compilation of wxCStrData when used with operator?: (the asserts
 680     // are not very important, we're testing if the code compiles at all):
 681
 682     wxString s("foo");
 683
 684     const wchar_t *wcStr = L"foo";
 685     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : wcStr)) );
 686     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : L"foo")) );
 687     CPPUNIT_ASSERT( CheckStr(s, (cond ? wcStr : s.c_str())) );
 688     CPPUNIT_ASSERT( CheckStr(s, (cond ? L"foo" : s.c_str())) );
 689
 690     const char *mbStr = "foo";
 691     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : mbStr)) );
 692     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : "foo")) );
 693     CPPUNIT_ASSERT( CheckStr(s, (cond ? mbStr : s.c_str())) );
 694     CPPUNIT_ASSERT( CheckStr(s, (cond ? "foo" : s.c_str())) );
 695
 696     wxString empty("");
 697     CPPUNIT_ASSERT( CheckStr(empty, (cond ? empty.c_str() : wxEmptyString)) );
 698     CPPUNIT_ASSERT( CheckStr(empty, (cond ? wxEmptyString : empty.c_str())) );
 699 }
 700
 701 void StringTestCase::CStrDataOperators()
 702 {
 703     wxString s("hello");
 704
 705     CPPUNIT_ASSERT( s.c_str()[0] == 'h' );
 706     CPPUNIT_ASSERT( s.c_str()[1] == 'e' );
 707     CPPUNIT_ASSERT( s.c_str()[5] == '\0' );
 708
 709     CPPUNIT_ASSERT( *s.c_str() == 'h' );
 710     CPPUNIT_ASSERT( *(s.c_str() + 2) == 'l' );
 711     CPPUNIT_ASSERT( *(s.c_str() + 5) == '\0' );
 712 }
 713
 714 bool CheckStrChar(const wxString& expected, char *s)
 715     { return CheckStr(expected, s); }
 716 bool CheckStrWChar(const wxString& expected, wchar_t *s)
 717     { return CheckStr(expected, s); }
 718 bool CheckStrConstChar(const wxString& expected, const char *s)
 719     { return CheckStr(expected, s); }
 720 bool CheckStrConstWChar(const wxString& expected, const wchar_t *s)
 721     { return CheckStr(expected, s); }
 722
 723 void StringTestCase::CStrDataImplicitConversion()
 724 {
 725     wxString s("foo");
 726
 727     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.c_str()) );
 728     CPPUNIT_ASSERT( CheckStrConstWChar(s, s) );
 729
 730     CPPUNIT_ASSERT( CheckStrConstChar(s, s.c_str()) );
 731     CPPUNIT_ASSERT( CheckStrConstChar(s, s) );
 732 }
 733
 734 void StringTestCase::ExplicitConversion()
 735 {
 736     wxString s("foo");
 737
 738     CPPUNIT_ASSERT( CheckStr(s, s.mb_str()) );
 739     CPPUNIT_ASSERT( CheckStrConstChar(s, s.mb_str()) );
 740     CPPUNIT_ASSERT( CheckStrChar(s, s.char_str()) );
 741
 742     CPPUNIT_ASSERT( CheckStr(s, s.wc_str()) );
 743     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.wc_str()) );
 744     CPPUNIT_ASSERT( CheckStrWChar(s, s.wchar_str()) );
 745 }