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( BeforeAndAfter );
  64     CPPUNIT_TEST_SUITE_END();
  65
  66     void String();
  67     void PChar();
  68     void Format();
  69     void Constructors();
  70     void StaticConstructors();
  71     void Extraction();
  72     void Trim();
  73     void Find();
  74     void Replace();
  75     void Match();
  76     void CaseChanges();
  77     void Compare();
  78     void CompareNoCase();
  79     void Contains();
  80     void ToLong();
  81     void ToULong();
  82 #ifdef wxLongLong_t
  83     void ToLongLong();
  84     void ToULongLong();
  85 #endif // wxLongLong_t
  86     void ToDouble();
  87     void StringBuf();
  88     void UTF8Buf();
  89     void CStrDataTernaryOperator();
  90     void DoCStrDataTernaryOperator(bool cond);
  91     void CStrDataOperators();
  92     void CStrDataImplicitConversion();
  93     void ExplicitConversion();
  94     void IndexedAccess();
  95     void BeforeAndAfter();
  96
  97     DECLARE_NO_COPY_CLASS(StringTestCase)
  98 };
  99
 100 // register in the unnamed registry so that these tests are run by default
 101 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
 102
 103 // also include in it's own registry so that these tests can be run alone
 104 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
 105
 106 StringTestCase::StringTestCase()
 107 {
 108 }
 109
 110 void StringTestCase::String()
 111 {
 112     wxString a, b, c;
 113
 114     a.reserve (128);
 115     b.reserve (128);
 116     c.reserve (128);
 117
 118     for (int i = 0; i < 2; ++i)
 119     {
 120         a = _T("Hello");
 121         b = _T(" world");
 122         c = _T("! How'ya doin'?");
 123         a += b;
 124         a += c;
 125         c = _T("Hello world! What's up?");
 126         CPPUNIT_ASSERT( c != a );
 127     }
 128 }
 129
 130 void StringTestCase::PChar()
 131 {
 132     wxChar a [128];
 133     wxChar b [128];
 134     wxChar c [128];
 135
 136     for (int i = 0; i < 2; ++i)
 137     {
 138         wxStrcpy (a, _T("Hello"));
 139         wxStrcpy (b, _T(" world"));
 140         wxStrcpy (c, _T("! How'ya doin'?"));
 141         wxStrcat (a, b);
 142         wxStrcat (a, c);
 143         wxStrcpy (c, _T("Hello world! What's up?"));
 144         CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
 145     }
 146 }
 147
 148 void StringTestCase::Format()
 149 {
 150     wxString s1,s2;
 151     s1.Printf(_T("%03d"), 18);
 152     CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
 153     s2.Printf(_T("Number 18: %s\n"), s1.c_str());
 154     CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
 155
 156     static const size_t lengths[] = { 1, 512, 1024, 1025, 2048, 4096, 4097 };
 157     for ( size_t n = 0; n < WXSIZEOF(lengths); n++ )
 158     {
 159         const size_t len = lengths[n];
 160
 161         wxString s(_T('Z'), len);
 162         CPPUNIT_ASSERT_EQUAL( len, wxString::Format(_T("%s"), s.c_str()).length());
 163     }
 164 }
 165
 166 void StringTestCase::Constructors()
 167 {
 168     CPPUNIT_ASSERT_EQUAL( "", wxString('Z', 0) );
 169     CPPUNIT_ASSERT_EQUAL( "Z", wxString('Z') );
 170     CPPUNIT_ASSERT_EQUAL( "ZZZZ", wxString('Z', 4) );
 171     CPPUNIT_ASSERT_EQUAL( "Hell", wxString("Hello", 4) );
 172     CPPUNIT_ASSERT_EQUAL( "Hello", wxString("Hello", 5) );
 173
 174 #if wxUSE_UNICODE
 175     CPPUNIT_ASSERT_EQUAL( L"", wxString(L'Z', 0) );
 176     CPPUNIT_ASSERT_EQUAL( L"Z", wxString(L'Z') );
 177     CPPUNIT_ASSERT_EQUAL( L"ZZZZ", wxString(L'Z', 4) );
 178     CPPUNIT_ASSERT_EQUAL( L"Hell", wxString(L"Hello", 4) );
 179     CPPUNIT_ASSERT_EQUAL( L"Hello", wxString(L"Hello", 5) );
 180 #endif // wxUSE_UNICODE
 181
 182     static const char *s = "?really!";
 183     const char *start = wxStrchr(s, 'r');
 184     const char *end = wxStrchr(s, '!');
 185     CPPUNIT_ASSERT_EQUAL( "really", wxString(start, end) );
 186
 187     // test if creating string from NULL C pointer works:
 188     CPPUNIT_ASSERT_EQUAL( "", wxString((const char *)NULL) );
 189 }
 190
 191 void StringTestCase::StaticConstructors()
 192 {
 193     CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("") );
 194     CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("Hello", 0) );
 195     CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromAscii("Hello", 4) );
 196     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello", 5) );
 197     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello") );
 198
 199     // FIXME: this doesn't work currently but should!
 200     //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromAscii("", 1).length() );
 201
 202
 203     CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("") );
 204     CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("Hello", 0) );
 205     CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromUTF8("Hello", 4) );
 206     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello", 5) );
 207     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello") );
 208
 209     //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromUTF8("", 1).length() );
 210 }
 211
 212 void StringTestCase::Extraction()
 213 {
 214     wxString s(_T("Hello, world!"));
 215
 216     CPPUNIT_ASSERT( wxStrcmp( s.c_str() , _T("Hello, world!") ) == 0 );
 217     CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , _T("Hello") ) == 0 );
 218     CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , _T("world!") ) == 0 );
 219     CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 );
 220     CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , _T("lo, world!") ) == 0 );
 221     CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
 222     CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
 223
 224 #if wxUSE_UNICODE
 225     static const char *germanUTF8 = "Oberfl\303\244che";
 226     wxString strUnicode(wxString::FromUTF8(germanUTF8));
 227
 228     CPPUNIT_ASSERT( strUnicode.Mid(0, 10) == strUnicode );
 229     CPPUNIT_ASSERT( strUnicode.Mid(7, 2) == "ch" );
 230 #endif // wxUSE_UNICODE
 231
 232     wxString rest;
 233
 234     #define TEST_STARTS_WITH(prefix, correct_rest, result)                    \
 235         CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest));            \
 236         if ( result )                                                         \
 237             CPPUNIT_ASSERT_EQUAL(correct_rest, rest)
 238
 239     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
 240     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
 241     TEST_STARTS_WITH( _T("Hello, world!"),   _T(""),              true  );
 242     TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""),              false );
 243     TEST_STARTS_WITH( _T(""),                _T("Hello, world!"), true  );
 244     TEST_STARTS_WITH( _T("Goodbye"),         _T(""),              false );
 245     TEST_STARTS_WITH( _T("Hi"),              _T(""),              false );
 246
 247     #undef TEST_STARTS_WITH
 248
 249     rest = "Hello world";
 250     CPPUNIT_ASSERT( rest.StartsWith("Hello ", &rest) );
 251     CPPUNIT_ASSERT_EQUAL("world", rest);
 252
 253     #define TEST_ENDS_WITH(suffix, correct_rest, result)                      \
 254         CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest));              \
 255         if ( result )                                                         \
 256             CPPUNIT_ASSERT_EQUAL(correct_rest, rest)
 257
 258     TEST_ENDS_WITH( _T(""),                 _T("Hello, world!"), true  );
 259     TEST_ENDS_WITH( _T("!"),                _T("Hello, world"),  true  );
 260     TEST_ENDS_WITH( _T(", world!"),         _T("Hello"),         true  );
 261     TEST_ENDS_WITH( _T("ello, world!"),     _T("H"),             true  );
 262     TEST_ENDS_WITH( _T("Hello, world!"),    _T(""),              true  );
 263     TEST_ENDS_WITH( _T("very long string"), _T(""),              false );
 264     TEST_ENDS_WITH( _T("?"),                _T(""),              false );
 265     TEST_ENDS_WITH( _T("Hello, world"),     _T(""),              false );
 266     TEST_ENDS_WITH( _T("Gello, world!"),    _T(""),              false );
 267
 268     #undef TEST_ENDS_WITH
 269 }
 270
 271 void StringTestCase::Trim()
 272 {
 273     #define TEST_TRIM( str , dir , result )  \
 274         CPPUNIT_ASSERT( wxString(str).Trim(dir) == result )
 275
 276     TEST_TRIM( _T("  Test  "),  true, _T("  Test") );
 277     TEST_TRIM( _T("    "),      true, _T("")       );
 278     TEST_TRIM( _T(" "),         true, _T("")       );
 279     TEST_TRIM( _T(""),          true, _T("")       );
 280
 281     TEST_TRIM( _T("  Test  "),  false, _T("Test  ") );
 282     TEST_TRIM( _T("    "),      false, _T("")       );
 283     TEST_TRIM( _T(" "),         false, _T("")       );
 284     TEST_TRIM( _T(""),          false, _T("")       );
 285
 286     #undef TEST_TRIM
 287 }
 288
 289 void StringTestCase::Find()
 290 {
 291     #define TEST_FIND( str , start , result )  \
 292         CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
 293
 294     TEST_FIND( _T("Well, hello world"),  0, 1              );
 295     TEST_FIND( _T("Well, hello world"),  6, 7              );
 296     TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
 297
 298     #undef TEST_FIND
 299 }
 300
 301 void StringTestCase::Replace()
 302 {
 303     #define TEST_REPLACE( original , pos , len , replacement , result ) \
 304         { \
 305             wxString s = original; \
 306             s.replace( pos , len , replacement ); \
 307             CPPUNIT_ASSERT_EQUAL( result, s ); \
 308         }
 309
 310     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );
 311     TEST_REPLACE( _T("increase"),      0, 2, _T("de"),     _T("decrease")      );
 312     TEST_REPLACE( _T("wxWindow"),      8, 0, _T("s"),      _T("wxWindows")     );
 313     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
 314     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 315
 316
 317     #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
 318         { \
 319             wxString s(o,olen); \
 320             s.replace( pos , len , replacement ); \
 321             CPPUNIT_ASSERT_EQUAL( wxString(r,rlen), s ); \
 322         }
 323
 324     TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"),
 325                           _T("null\0dhar"), 9 );
 326
 327     #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
 328         { \
 329             wxString s(o,olen); \
 330             s.Replace( olds, news, all ); \
 331             CPPUNIT_ASSERT_EQUAL( wxString(r,rlen), s ); \
 332         }
 333
 334     TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,
 335                           _T("null\0dehar"), 10 );
 336
 337     TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,
 338                           _T("null\0char"), 9 );
 339
 340     TEST_WXREPLACE( "life", 4, "f", "", false, "lie", 3 );
 341     TEST_WXREPLACE( "life", 4, "f", "", true, "lie", 3 );
 342     TEST_WXREPLACE( "life", 4, "fe", "ve", true, "live", 4 );
 343     TEST_WXREPLACE( "xx", 2, "x", "yy", true, "yyyy", 4 );
 344     TEST_WXREPLACE( "xxx", 3, "xx", "z", true, "zx", 2 );
 345
 346     #undef TEST_WXREPLACE
 347     #undef TEST_NULLCHARREPLACE
 348     #undef TEST_REPLACE
 349 }
 350
 351 void StringTestCase::Match()
 352 {
 353     #define TEST_MATCH( s1 , s2 , result ) \
 354         CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
 355
 356     TEST_MATCH( _T("foobar"),    _T("foo*"),   true  );
 357     TEST_MATCH( _T("foobar"),    _T("*oo*"),   true  );
 358     TEST_MATCH( _T("foobar"),    _T("*bar"),   true  );
 359     TEST_MATCH( _T("foobar"),    _T("??????"), true  );
 360     TEST_MATCH( _T("foobar"),    _T("f??b*"),  true  );
 361     TEST_MATCH( _T("foobar"),    _T("f?b*"),   false );
 362     TEST_MATCH( _T("foobar"),    _T("*goo*"),  false );
 363     TEST_MATCH( _T("foobar"),    _T("*foo"),   false );
 364     TEST_MATCH( _T("foobarfoo"), _T("*foo"),   true  );
 365     TEST_MATCH( _T(""),          _T("*"),      true  );
 366     TEST_MATCH( _T(""),          _T("?"),      false );
 367
 368     #undef TEST_MATCH
 369 }
 370
 371
 372 void StringTestCase::CaseChanges()
 373 {
 374     wxString s1(_T("Hello!"));
 375     wxString s1u(s1);
 376     wxString s1l(s1);
 377     s1u.MakeUpper();
 378     s1l.MakeLower();
 379
 380     CPPUNIT_ASSERT_EQUAL( _T("HELLO!"), s1u );
 381     CPPUNIT_ASSERT_EQUAL( _T("hello!"), s1l );
 382
 383     wxString s2u, s2l;
 384     s2u.MakeUpper();
 385     s2l.MakeLower();
 386
 387     CPPUNIT_ASSERT_EQUAL( "", s2u );
 388     CPPUNIT_ASSERT_EQUAL( "", s2l );
 389
 390
 391     wxString s3("good bye");
 392     CPPUNIT_ASSERT_EQUAL( "Good bye", s3.Capitalize() );
 393     s3.MakeCapitalized();
 394     CPPUNIT_ASSERT_EQUAL( "Good bye", s3 );
 395
 396     CPPUNIT_ASSERT_EQUAL( "Abc", wxString("ABC").Capitalize() );
 397
 398     CPPUNIT_ASSERT_EQUAL( "", wxString().Capitalize() );
 399 }
 400
 401 void StringTestCase::Compare()
 402 {
 403     wxString s1 = wxT("AHH");
 404     wxString eq = wxT("AHH");
 405     wxString neq1 = wxT("HAH");
 406     wxString neq2 = wxT("AH");
 407     wxString neq3 = wxT("AHHH");
 408     wxString neq4 = wxT("AhH");
 409
 410     CPPUNIT_ASSERT( s1 == eq );
 411     CPPUNIT_ASSERT( s1 != neq1 );
 412     CPPUNIT_ASSERT( s1 != neq2 );
 413     CPPUNIT_ASSERT( s1 != neq3 );
 414     CPPUNIT_ASSERT( s1 != neq4 );
 415
 416     CPPUNIT_ASSERT( s1 == wxT("AHH") );
 417     CPPUNIT_ASSERT( s1 != wxT("no") );
 418     CPPUNIT_ASSERT( s1 < wxT("AZ") );
 419     CPPUNIT_ASSERT( s1 <= wxT("AZ") );
 420     CPPUNIT_ASSERT( s1 <= wxT("AHH") );
 421     CPPUNIT_ASSERT( s1 > wxT("AA") );
 422     CPPUNIT_ASSERT( s1 >= wxT("AA") );
 423     CPPUNIT_ASSERT( s1 >= wxT("AHH") );
 424
 425     // test comparison with C strings in Unicode build (must work in ANSI as
 426     // well, of course):
 427     CPPUNIT_ASSERT( s1 == "AHH" );
 428     CPPUNIT_ASSERT( s1 != "no" );
 429     CPPUNIT_ASSERT( s1 < "AZ" );
 430     CPPUNIT_ASSERT( s1 <= "AZ" );
 431     CPPUNIT_ASSERT( s1 <= "AHH" );
 432     CPPUNIT_ASSERT( s1 > "AA" );
 433     CPPUNIT_ASSERT( s1 >= "AA" );
 434     CPPUNIT_ASSERT( s1 >= "AHH" );
 435
 436 //    wxString _s1 = wxT("A\0HH");
 437 //    wxString _eq = wxT("A\0HH");
 438 //    wxString _neq1 = wxT("H\0AH");
 439 //    wxString _neq2 = wxT("A\0H");
 440 //    wxString _neq3 = wxT("A\0HHH");
 441 //    wxString _neq4 = wxT("A\0hH");
 442     s1.insert(1,1,'\0');
 443     eq.insert(1,1,'\0');
 444     neq1.insert(1,1,'\0');
 445     neq2.insert(1,1,'\0');
 446     neq3.insert(1,1,'\0');
 447     neq4.insert(1,1,'\0');
 448
 449     CPPUNIT_ASSERT( s1 == eq );
 450     CPPUNIT_ASSERT( s1 != neq1 );
 451     CPPUNIT_ASSERT( s1 != neq2 );
 452     CPPUNIT_ASSERT( s1 != neq3 );
 453     CPPUNIT_ASSERT( s1 != neq4 );
 454 }
 455
 456 void StringTestCase::CompareNoCase()
 457 {
 458     wxString s1 = wxT("AHH");
 459     wxString eq = wxT("AHH");
 460     wxString eq2 = wxT("AhH");
 461     wxString eq3 = wxT("ahh");
 462     wxString neq = wxT("HAH");
 463     wxString neq2 = wxT("AH");
 464     wxString neq3 = wxT("AHHH");
 465
 466     #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
 467     #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
 468
 469     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 470     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 471     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 472
 473     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 474     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 475     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 476
 477
 478 //    wxString _s1 = wxT("A\0HH");
 479 //    wxString _eq = wxT("A\0HH");
 480 //    wxString _eq2 = wxT("A\0hH");
 481 //    wxString _eq3 = wxT("a\0hh");
 482 //    wxString _neq = wxT("H\0AH");
 483 //    wxString _neq2 = wxT("A\0H");
 484 //    wxString _neq3 = wxT("A\0HHH");
 485
 486     s1.insert(1,1,'\0');
 487     eq.insert(1,1,'\0');
 488     eq2.insert(1,1,'\0');
 489     eq3.insert(1,1,'\0');
 490     neq.insert(1,1,'\0');
 491     neq2.insert(1,1,'\0');
 492     neq3.insert(1,1,'\0');
 493
 494     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 495     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 496     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 497
 498     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 499     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 500     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 501 }
 502
 503 void StringTestCase::Contains()
 504 {
 505     static const struct ContainsData
 506     {
 507         const wxChar *hay;
 508         const wxChar *needle;
 509         bool contains;
 510     } containsData[] =
 511     {
 512         { _T(""),       _T(""),         true  },
 513         { _T(""),       _T("foo"),      false },
 514         { _T("foo"),    _T(""),         true  },
 515         { _T("foo"),    _T("f"),        true  },
 516         { _T("foo"),    _T("o"),        true  },
 517         { _T("foo"),    _T("oo"),       true  },
 518         { _T("foo"),    _T("ooo"),      false },
 519         { _T("foo"),    _T("oooo"),     false },
 520         { _T("foo"),    _T("fooo"),     false },
 521     };
 522
 523     for ( size_t n = 0; n < WXSIZEOF(containsData); n++ )
 524     {
 525         const ContainsData& cd = containsData[n];
 526         CPPUNIT_ASSERT_EQUAL( cd.contains, wxString(cd.hay).Contains(cd.needle) );
 527     }
 528 }
 529
 530 // flags used in ToLongData.flags
 531 enum
 532 {
 533     Number_Ok       = 0,
 534     Number_Invalid  = 1,
 535     Number_Unsigned = 2,    // if not specified, works for signed conversion
 536     Number_Signed   = 4,    // if not specified, works for unsigned
 537     Number_LongLong = 8,    // only for long long tests
 538     Number_Long     = 16    // only for long tests
 539 };
 540
 541 static const struct ToLongData
 542 {
 543     const wxChar *str;
 544 #ifdef wxLongLong_t
 545     wxLongLong_t value;
 546 #else
 547     long value;
 548 #endif // wxLongLong_t
 549     int flags;
 550
 551     long LValue() const { return value; }
 552     unsigned long ULValue() const { return value; }
 553 #ifdef wxLongLong_t
 554     wxLongLong_t LLValue() const { return value; }
 555     wxULongLong_t ULLValue() const { return (wxULongLong_t)value; }
 556 #endif // wxLongLong_t
 557
 558     bool IsOk() const { return !(flags & Number_Invalid); }
 559 } longData[] =
 560 {
 561     { _T("1"), 1, Number_Ok },
 562     { _T("0"), 0, Number_Ok },
 563     { _T("a"), 0, Number_Invalid },
 564     { _T("12345"), 12345, Number_Ok },
 565     { _T("--1"), 0, Number_Invalid },
 566
 567     { _T("-1"), -1, Number_Signed | Number_Long },
 568     // this is surprizing but consistent with strtoul() behaviour
 569     { _T("-1"), ULONG_MAX, Number_Unsigned | Number_Long },
 570
 571     // this must overflow, even with 64 bit long
 572     { _T("922337203685477580711"), 0, Number_Invalid },
 573
 574 #ifdef wxLongLong_t
 575     { _T("2147483648"), wxLL(2147483648), Number_LongLong },
 576     { _T("-2147483648"), wxLL(-2147483648), Number_LongLong | Number_Signed },
 577     { _T("9223372036854775808"), wxULL(9223372036854775808), Number_LongLong |
 578                                                              Number_Unsigned },
 579 #endif // wxLongLong_t
 580 };
 581
 582 void StringTestCase::ToLong()
 583 {
 584     long l;
 585     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 586     {
 587         const ToLongData& ld = longData[n];
 588
 589         if ( ld.flags & (Number_LongLong | Number_Unsigned) )
 590             continue;
 591
 592         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLong(&l) );
 593         if ( ld.IsOk() )
 594             CPPUNIT_ASSERT_EQUAL( ld.LValue(), l );
 595     }
 596 }
 597
 598 void StringTestCase::ToULong()
 599 {
 600     unsigned long ul;
 601     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 602     {
 603         const ToLongData& ld = longData[n];
 604
 605         if ( ld.flags & (Number_LongLong | Number_Signed) )
 606             continue;
 607
 608         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULong(&ul) );
 609         if ( ld.IsOk() )
 610             CPPUNIT_ASSERT_EQUAL( ld.ULValue(), ul );
 611     }
 612 }
 613
 614 #ifdef wxLongLong_t
 615
 616 void StringTestCase::ToLongLong()
 617 {
 618     wxLongLong_t l;
 619     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 620     {
 621         const ToLongData& ld = longData[n];
 622
 623         if ( ld.flags & (Number_Long | Number_Unsigned) )
 624             continue;
 625
 626         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLongLong(&l) );
 627         if ( ld.IsOk() )
 628             CPPUNIT_ASSERT_EQUAL( ld.LLValue(), l );
 629     }
 630 }
 631
 632 void StringTestCase::ToULongLong()
 633 {
 634     wxULongLong_t ul;
 635     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 636     {
 637         const ToLongData& ld = longData[n];
 638
 639         if ( ld.flags & (Number_Long | Number_Signed) )
 640             continue;
 641
 642         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULongLong(&ul) );
 643         if ( ld.IsOk() )
 644             CPPUNIT_ASSERT_EQUAL( ld.ULLValue(), ul );
 645     }
 646 }
 647
 648 #endif // wxLongLong_t
 649
 650 void StringTestCase::ToDouble()
 651 {
 652     double d;
 653     static const struct ToDoubleData
 654     {
 655         const wxChar *str;
 656         double value;
 657         bool ok;
 658     } doubleData[] =
 659     {
 660         { _T("1"), 1, true },
 661         { _T("1.23"), 1.23, true },
 662         { _T(".1"), .1, true },
 663         { _T("1."), 1, true },
 664         { _T("1.."), 0, false },
 665         { _T("0"), 0, true },
 666         { _T("a"), 0, false },
 667         { _T("12345"), 12345, true },
 668         { _T("-1"), -1, true },
 669         { _T("--1"), 0, false },
 670     };
 671
 672     // we need to use decimal point, not comma or whatever is its value for the
 673     // current locale
 674     wxSetlocale(LC_ALL, "C");
 675
 676     size_t n;
 677     for ( n = 0; n < WXSIZEOF(doubleData); n++ )
 678     {
 679         const ToDoubleData& ld = doubleData[n];
 680         CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToDouble(&d) );
 681         if ( ld.ok )
 682             CPPUNIT_ASSERT_EQUAL( ld.value, d );
 683     }
 684 }
 685
 686 void StringTestCase::StringBuf()
 687 {
 688     // check that buffer can be used to write into the string
 689     wxString s;
 690     wxStrcpy(wxStringBuffer(s, 10), _T("foo"));
 691
 692     CPPUNIT_ASSERT_EQUAL(3, s.length());
 693     CPPUNIT_ASSERT(_T('f') == s[0u]);
 694     CPPUNIT_ASSERT(_T('o') == s[1]);
 695     CPPUNIT_ASSERT(_T('o') == s[2]);
 696
 697     {
 698         // also check that the buffer initially contains the original string
 699         // contents
 700         wxStringBuffer buf(s, 10);
 701         CPPUNIT_ASSERT_EQUAL( _T('f'), buf[0] );
 702         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[1] );
 703         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[2] );
 704         CPPUNIT_ASSERT_EQUAL( _T('\0'), buf[3] );
 705     }
 706
 707     {
 708         wxStringBufferLength buf(s, 10);
 709         CPPUNIT_ASSERT_EQUAL( _T('f'), buf[0] );
 710         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[1] );
 711         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[2] );
 712         CPPUNIT_ASSERT_EQUAL( _T('\0'), buf[3] );
 713
 714         // and check that it can be used to write only the specified number of
 715         // characters to the string
 716         wxStrcpy(buf, _T("barrbaz"));
 717         buf.SetLength(4);
 718     }
 719
 720     CPPUNIT_ASSERT_EQUAL(4, s.length());
 721     CPPUNIT_ASSERT(_T('b') == s[0u]);
 722     CPPUNIT_ASSERT(_T('a') == s[1]);
 723     CPPUNIT_ASSERT(_T('r') == s[2]);
 724     CPPUNIT_ASSERT(_T('r') == s[3]);
 725
 726     // check that creating buffer of length smaller than string works, i.e. at
 727     // least doesn't crash (it would if we naively copied the entire original
 728     // string contents in the buffer)
 729     *wxStringBuffer(s, 1) = '!';
 730 }
 731
 732 void StringTestCase::UTF8Buf()
 733 {
 734 #if wxUSE_UNICODE
 735     // "czech" in Czech ("cestina"):
 736     static const char *textUTF8 = "\304\215e\305\241tina";
 737     static const wchar_t textUTF16[] = {0x10D, 0x65, 0x161, 0x74, 0x69, 0x6E, 0x61, 0};
 738
 739     wxString s;
 740     wxStrcpy(wxUTF8StringBuffer(s, 9), textUTF8);
 741     CPPUNIT_ASSERT(s == textUTF16);
 742
 743     {
 744         wxUTF8StringBufferLength buf(s, 20);
 745         wxStrcpy(buf, textUTF8);
 746         buf.SetLength(5);
 747     }
 748     CPPUNIT_ASSERT(s == wxString(textUTF16, 0, 3));
 749 #endif // wxUSE_UNICODE
 750 }
 751
 752
 753
 754 void StringTestCase::CStrDataTernaryOperator()
 755 {
 756     DoCStrDataTernaryOperator(true);
 757     DoCStrDataTernaryOperator(false);
 758 }
 759
 760 template<typename T> bool CheckStr(const wxString& expected, T s)
 761 {
 762     return expected == wxString(s);
 763 }
 764
 765 void StringTestCase::DoCStrDataTernaryOperator(bool cond)
 766 {
 767     // test compilation of wxCStrData when used with operator?: (the asserts
 768     // are not very important, we're testing if the code compiles at all):
 769
 770     wxString s("foo");
 771
 772     const wchar_t *wcStr = L"foo";
 773     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : wcStr)) );
 774     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : L"foo")) );
 775     CPPUNIT_ASSERT( CheckStr(s, (cond ? wcStr : s.c_str())) );
 776     CPPUNIT_ASSERT( CheckStr(s, (cond ? L"foo" : s.c_str())) );
 777
 778     const char *mbStr = "foo";
 779     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : mbStr)) );
 780     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : "foo")) );
 781     CPPUNIT_ASSERT( CheckStr(s, (cond ? mbStr : s.c_str())) );
 782     CPPUNIT_ASSERT( CheckStr(s, (cond ? "foo" : s.c_str())) );
 783
 784     wxString empty("");
 785     CPPUNIT_ASSERT( CheckStr(empty, (cond ? empty.c_str() : wxEmptyString)) );
 786     CPPUNIT_ASSERT( CheckStr(empty, (cond ? wxEmptyString : empty.c_str())) );
 787 }
 788
 789 void StringTestCase::CStrDataOperators()
 790 {
 791     wxString s("hello");
 792
 793     CPPUNIT_ASSERT( s.c_str()[0] == 'h' );
 794     CPPUNIT_ASSERT( s.c_str()[1] == 'e' );
 795     CPPUNIT_ASSERT( s.c_str()[5] == '\0' );
 796
 797     CPPUNIT_ASSERT( *s.c_str() == 'h' );
 798     CPPUNIT_ASSERT( *(s.c_str() + 2) == 'l' );
 799     CPPUNIT_ASSERT( *(s.c_str() + 5) == '\0' );
 800 }
 801
 802 bool CheckStrChar(const wxString& expected, char *s)
 803     { return CheckStr(expected, s); }
 804 bool CheckStrWChar(const wxString& expected, wchar_t *s)
 805     { return CheckStr(expected, s); }
 806 bool CheckStrConstChar(const wxString& expected, const char *s)
 807     { return CheckStr(expected, s); }
 808 bool CheckStrConstWChar(const wxString& expected, const wchar_t *s)
 809     { return CheckStr(expected, s); }
 810
 811 void StringTestCase::CStrDataImplicitConversion()
 812 {
 813     wxString s("foo");
 814
 815     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.c_str()) );
 816     CPPUNIT_ASSERT( CheckStrConstChar(s, s.c_str()) );
 817
 818     // implicit conversion of wxString is not available in STL build
 819 #if !wxUSE_STL
 820     CPPUNIT_ASSERT( CheckStrConstWChar(s, s) );
 821     CPPUNIT_ASSERT( CheckStrConstChar(s, s) );
 822 #endif
 823 }
 824
 825 void StringTestCase::ExplicitConversion()
 826 {
 827     wxString s("foo");
 828
 829     CPPUNIT_ASSERT( CheckStr(s, s.mb_str()) );
 830     CPPUNIT_ASSERT( CheckStrConstChar(s, s.mb_str()) );
 831     CPPUNIT_ASSERT( CheckStrChar(s, s.char_str()) );
 832
 833     CPPUNIT_ASSERT( CheckStr(s, s.wc_str()) );
 834     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.wc_str()) );
 835     CPPUNIT_ASSERT( CheckStrWChar(s, s.wchar_str()) );
 836 }
 837
 838 void StringTestCase::IndexedAccess()
 839 {
 840     wxString s("bar");
 841     CPPUNIT_ASSERT_EQUAL( 'r', (char)s[2] );
 842
 843     // this tests for a possible bug in UTF-8 based wxString implementation:
 844     // the 3rd character of the underlying byte string is going to change, but
 845     // the 3rd character of wxString should remain the same
 846     s[0] = L'\xe9';
 847     CPPUNIT_ASSERT_EQUAL( 'r', (char)s[2] );
 848 }
 849
 850 void StringTestCase::BeforeAndAfter()
 851 {
 852     const wxString s(L"letter=\xe9;\xe7a=l\xe0");
 853
 854     CPPUNIT_ASSERT_EQUAL( "letter", s.BeforeFirst('=') );
 855     CPPUNIT_ASSERT_EQUAL( s, s.BeforeFirst('!') );
 856     CPPUNIT_ASSERT_EQUAL( L"letter=\xe9", s.BeforeFirst(';') );
 857
 858     CPPUNIT_ASSERT_EQUAL( L"letter=\xe9;\xe7a", s.BeforeLast('=') );
 859     CPPUNIT_ASSERT_EQUAL( "", s.BeforeLast('!') );
 860     CPPUNIT_ASSERT_EQUAL( L"letter=\xe9", s.BeforeLast(';') );
 861
 862     CPPUNIT_ASSERT_EQUAL( L"\xe9;\xe7a=l\xe0", s.AfterFirst('=') );
 863     CPPUNIT_ASSERT_EQUAL( "", s.AfterFirst('!') );
 864     CPPUNIT_ASSERT_EQUAL( L"\xe7a=l\xe0", s.AfterFirst(';') );
 865
 866     CPPUNIT_ASSERT_EQUAL( L"l\xe0", s.AfterLast('=') );
 867     CPPUNIT_ASSERT_EQUAL( s, s.AfterLast('!') );
 868     CPPUNIT_ASSERT_EQUAL( L"\xe7a=l\xe0", s.AfterLast(';') );
 869 }
 870