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( FormatUnicode );
  39         CPPUNIT_TEST( Constructors );
  40         CPPUNIT_TEST( StaticConstructors );
  41         CPPUNIT_TEST( Extraction );
  42         CPPUNIT_TEST( Trim );
  43         CPPUNIT_TEST( Find );
  44         CPPUNIT_TEST( Replace );
  45         CPPUNIT_TEST( Match );
  46         CPPUNIT_TEST( CaseChanges );
  47         CPPUNIT_TEST( Compare );
  48         CPPUNIT_TEST( CompareNoCase );
  49         CPPUNIT_TEST( Contains );
  50         CPPUNIT_TEST( ToLong );
  51         CPPUNIT_TEST( ToULong );
  52 #ifdef wxLongLong_t
  53         CPPUNIT_TEST( ToLongLong );
  54         CPPUNIT_TEST( ToULongLong );
  55 #endif // wxLongLong_t
  56         CPPUNIT_TEST( ToDouble );
  57         CPPUNIT_TEST( FromDouble );
  58         CPPUNIT_TEST( StringBuf );
  59         CPPUNIT_TEST( UTF8Buf );
  60         CPPUNIT_TEST( CStrDataTernaryOperator );
  61         CPPUNIT_TEST( CStrDataOperators );
  62         CPPUNIT_TEST( CStrDataImplicitConversion );
  63         CPPUNIT_TEST( ExplicitConversion );
  64         CPPUNIT_TEST( IndexedAccess );
  65         CPPUNIT_TEST( BeforeAndAfter );
  66         CPPUNIT_TEST( ScopedBuffers );
  67     CPPUNIT_TEST_SUITE_END();
  68
  69     void String();
  70     void PChar();
  71     void Format();
  72     void FormatUnicode();
  73     void Constructors();
  74     void StaticConstructors();
  75     void Extraction();
  76     void Trim();
  77     void Find();
  78     void Replace();
  79     void Match();
  80     void CaseChanges();
  81     void Compare();
  82     void CompareNoCase();
  83     void Contains();
  84     void ToLong();
  85     void ToULong();
  86 #ifdef wxLongLong_t
  87     void ToLongLong();
  88     void ToULongLong();
  89 #endif // wxLongLong_t
  90     void ToDouble();
  91     void FromDouble();
  92     void StringBuf();
  93     void UTF8Buf();
  94     void CStrDataTernaryOperator();
  95     void DoCStrDataTernaryOperator(bool cond);
  96     void CStrDataOperators();
  97     void CStrDataImplicitConversion();
  98     void ExplicitConversion();
  99     void IndexedAccess();
 100     void BeforeAndAfter();
 101     void ScopedBuffers();
 102
 103     DECLARE_NO_COPY_CLASS(StringTestCase)
 104 };
 105
 106 // register in the unnamed registry so that these tests are run by default
 107 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
 108
 109 // also include in its own registry so that these tests can be run alone
 110 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
 111
 112 StringTestCase::StringTestCase()
 113 {
 114 }
 115
 116 void StringTestCase::String()
 117 {
 118     wxString a, b, c;
 119
 120     a.reserve (128);
 121     b.reserve (128);
 122     c.reserve (128);
 123
 124     for (int i = 0; i < 2; ++i)
 125     {
 126         a = wxT("Hello");
 127         b = wxT(" world");
 128         c = wxT("! How'ya doin'?");
 129         a += b;
 130         a += c;
 131         c = wxT("Hello world! What's up?");
 132         CPPUNIT_ASSERT( c != a );
 133     }
 134 }
 135
 136 void StringTestCase::PChar()
 137 {
 138     wxChar a [128];
 139     wxChar b [128];
 140     wxChar c [128];
 141
 142     for (int i = 0; i < 2; ++i)
 143     {
 144         wxStrcpy (a, wxT("Hello"));
 145         wxStrcpy (b, wxT(" world"));
 146         wxStrcpy (c, wxT("! How'ya doin'?"));
 147         wxStrcat (a, b);
 148         wxStrcat (a, c);
 149         wxStrcpy (c, wxT("Hello world! What's up?"));
 150         CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
 151     }
 152 }
 153
 154 void StringTestCase::Format()
 155 {
 156     wxString s1,s2;
 157     s1.Printf(wxT("%03d"), 18);
 158     CPPUNIT_ASSERT( s1 == wxString::Format(wxT("%03d"), 18) );
 159     s2.Printf(wxT("Number 18: %s\n"), s1.c_str());
 160     CPPUNIT_ASSERT( s2 == wxString::Format(wxT("Number 18: %s\n"), s1.c_str()) );
 161
 162     static const size_t lengths[] = { 1, 512, 1024, 1025, 2048, 4096, 4097 };
 163     for ( size_t n = 0; n < WXSIZEOF(lengths); n++ )
 164     {
 165         const size_t len = lengths[n];
 166
 167         wxString s(wxT('Z'), len);
 168         CPPUNIT_ASSERT_EQUAL( len, wxString::Format(wxT("%s"), s.c_str()).length());
 169     }
 170
 171
 172     CPPUNIT_ASSERT_EQUAL
 173     (
 174         "two one",
 175         wxString::Format(wxT("%2$s %1$s"), wxT("one"), wxT("two"))
 176     );
 177 }
 178
 179 void StringTestCase::FormatUnicode()
 180 {
 181 #if wxUSE_UNICODE
 182     const char *UNICODE_STR = "Iestat\xC4\xAB %i%i";
 183     //const char *UNICODE_STR = "Iestat\xCC\x84 %i%i";
 184
 185     wxString fmt = wxString::FromUTF8(UNICODE_STR);
 186     wxString s = wxString::Format(fmt, 1, 1);
 187     wxString expected(fmt);
 188     expected.Replace("%i", "1");
 189     CPPUNIT_ASSERT_EQUAL( expected, s );
 190 #endif // wxUSE_UNICODE
 191 }
 192
 193 void StringTestCase::Constructors()
 194 {
 195     CPPUNIT_ASSERT_EQUAL( "", wxString('Z', 0) );
 196     CPPUNIT_ASSERT_EQUAL( "Z", wxString('Z') );
 197     CPPUNIT_ASSERT_EQUAL( "ZZZZ", wxString('Z', 4) );
 198     CPPUNIT_ASSERT_EQUAL( "Hell", wxString("Hello", 4) );
 199     CPPUNIT_ASSERT_EQUAL( "Hello", wxString("Hello", 5) );
 200
 201 #if wxUSE_UNICODE
 202     CPPUNIT_ASSERT_EQUAL( L"", wxString(L'Z', 0) );
 203     CPPUNIT_ASSERT_EQUAL( L"Z", wxString(L'Z') );
 204     CPPUNIT_ASSERT_EQUAL( L"ZZZZ", wxString(L'Z', 4) );
 205     CPPUNIT_ASSERT_EQUAL( L"Hell", wxString(L"Hello", 4) );
 206     CPPUNIT_ASSERT_EQUAL( L"Hello", wxString(L"Hello", 5) );
 207 #endif // wxUSE_UNICODE
 208
 209     CPPUNIT_ASSERT_EQUAL( 0, wxString(wxString(), 17).length() );
 210
 211 #if wxUSE_UNICODE_UTF8
 212     // This string has 3 characters (<h>, <e'> and <l>), not 4 when using UTF-8
 213     // locale!
 214     if ( wxConvLibc.IsUTF8() )
 215     {
 216         wxString s3("h\xc3\xa9llo", 4);
 217         CPPUNIT_ASSERT_EQUAL( 3, s3.length() );
 218         CPPUNIT_ASSERT_EQUAL( 'l', (char)s3[2] );
 219     }
 220 #endif // wxUSE_UNICODE_UTF8
 221
 222
 223     static const char *s = "?really!";
 224     const char *start = wxStrchr(s, 'r');
 225     const char *end = wxStrchr(s, '!');
 226     CPPUNIT_ASSERT_EQUAL( "really", wxString(start, end) );
 227
 228     // test if creating string from NULL C pointer works:
 229     CPPUNIT_ASSERT_EQUAL( "", wxString((const char *)NULL) );
 230 }
 231
 232 void StringTestCase::StaticConstructors()
 233 {
 234     CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("") );
 235     CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("Hello", 0) );
 236     CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromAscii("Hello", 4) );
 237     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello", 5) );
 238     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello") );
 239
 240     // FIXME: this doesn't work currently but should!
 241     //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromAscii("", 1).length() );
 242
 243
 244     CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("") );
 245     CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("Hello", 0) );
 246     CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromUTF8("Hello", 4) );
 247     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello", 5) );
 248     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello") );
 249
 250     CPPUNIT_ASSERT_EQUAL( 2, wxString::FromUTF8("h\xc3\xa9llo", 3).length() );
 251
 252
 253     //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromUTF8("", 1).length() );
 254 }
 255
 256 void StringTestCase::Extraction()
 257 {
 258     wxString s(wxT("Hello, world!"));
 259
 260     CPPUNIT_ASSERT( wxStrcmp( s.c_str() , wxT("Hello, world!") ) == 0 );
 261     CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , wxT("Hello") ) == 0 );
 262     CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , wxT("world!") ) == 0 );
 263     CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , wxT("lo, w") ) == 0 );
 264     CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , wxT("lo, world!") ) == 0 );
 265     CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , wxT("lo, w") ) == 0 );
 266     CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , wxT("lo, world!") ) == 0 );
 267
 268 #if wxUSE_UNICODE
 269     static const char *germanUTF8 = "Oberfl\303\244che";
 270     wxString strUnicode(wxString::FromUTF8(germanUTF8));
 271
 272     CPPUNIT_ASSERT( strUnicode.Mid(0, 10) == strUnicode );
 273     CPPUNIT_ASSERT( strUnicode.Mid(7, 2) == "ch" );
 274 #endif // wxUSE_UNICODE
 275
 276     wxString rest;
 277
 278     #define TEST_STARTS_WITH(prefix, correct_rest, result)                    \
 279         CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest));            \
 280         if ( result )                                                         \
 281             CPPUNIT_ASSERT_EQUAL(correct_rest, rest)
 282
 283     TEST_STARTS_WITH( wxT("Hello"),           wxT(", world!"),      true  );
 284     TEST_STARTS_WITH( wxT("Hello, "),         wxT("world!"),        true  );
 285     TEST_STARTS_WITH( wxT("Hello, world!"),   wxT(""),              true  );
 286     TEST_STARTS_WITH( wxT("Hello, world!!!"), wxT(""),              false );
 287     TEST_STARTS_WITH( wxT(""),                wxT("Hello, world!"), true  );
 288     TEST_STARTS_WITH( wxT("Goodbye"),         wxT(""),              false );
 289     TEST_STARTS_WITH( wxT("Hi"),              wxT(""),              false );
 290
 291     #undef TEST_STARTS_WITH
 292
 293     rest = "Hello world";
 294     CPPUNIT_ASSERT( rest.StartsWith("Hello ", &rest) );
 295     CPPUNIT_ASSERT_EQUAL("world", rest);
 296
 297     #define TEST_ENDS_WITH(suffix, correct_rest, result)                      \
 298         CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest));              \
 299         if ( result )                                                         \
 300             CPPUNIT_ASSERT_EQUAL(correct_rest, rest)
 301
 302     TEST_ENDS_WITH( wxT(""),                 wxT("Hello, world!"), true  );
 303     TEST_ENDS_WITH( wxT("!"),                wxT("Hello, world"),  true  );
 304     TEST_ENDS_WITH( wxT(", world!"),         wxT("Hello"),         true  );
 305     TEST_ENDS_WITH( wxT("ello, world!"),     wxT("H"),             true  );
 306     TEST_ENDS_WITH( wxT("Hello, world!"),    wxT(""),              true  );
 307     TEST_ENDS_WITH( wxT("very long string"), wxT(""),              false );
 308     TEST_ENDS_WITH( wxT("?"),                wxT(""),              false );
 309     TEST_ENDS_WITH( wxT("Hello, world"),     wxT(""),              false );
 310     TEST_ENDS_WITH( wxT("Gello, world!"),    wxT(""),              false );
 311
 312     #undef TEST_ENDS_WITH
 313 }
 314
 315 void StringTestCase::Trim()
 316 {
 317     #define TEST_TRIM( str , dir , result )  \
 318         CPPUNIT_ASSERT( wxString(str).Trim(dir) == result )
 319
 320     TEST_TRIM( wxT("  Test  "),  true, wxT("  Test") );
 321     TEST_TRIM( wxT("    "),      true, wxT("")       );
 322     TEST_TRIM( wxT(" "),         true, wxT("")       );
 323     TEST_TRIM( wxT(""),          true, wxT("")       );
 324
 325     TEST_TRIM( wxT("  Test  "),  false, wxT("Test  ") );
 326     TEST_TRIM( wxT("    "),      false, wxT("")       );
 327     TEST_TRIM( wxT(" "),         false, wxT("")       );
 328     TEST_TRIM( wxT(""),          false, wxT("")       );
 329
 330     #undef TEST_TRIM
 331 }
 332
 333 void StringTestCase::Find()
 334 {
 335     #define TEST_FIND( str , start , result )  \
 336         CPPUNIT_ASSERT( wxString(str).find(wxT("ell"), start) == result );
 337
 338     TEST_FIND( wxT("Well, hello world"),  0, 1              );
 339     TEST_FIND( wxT("Well, hello world"),  6, 7              );
 340     TEST_FIND( wxT("Well, hello world"),  9, wxString::npos );
 341
 342     #undef TEST_FIND
 343 }
 344
 345 void StringTestCase::Replace()
 346 {
 347     #define TEST_REPLACE( original , pos , len , replacement , result ) \
 348         { \
 349             wxString s = original; \
 350             s.replace( pos , len , replacement ); \
 351             CPPUNIT_ASSERT_EQUAL( result, s ); \
 352         }
 353
 354     TEST_REPLACE( wxT("012-AWORD-XYZ"), 4, 5, wxT("BWORD"),  wxT("012-BWORD-XYZ") );
 355     TEST_REPLACE( wxT("increase"),      0, 2, wxT("de"),     wxT("decrease")      );
 356     TEST_REPLACE( wxT("wxWindow"),      8, 0, wxT("s"),      wxT("wxWindows")     );
 357     TEST_REPLACE( wxT("foobar"),        3, 0, wxT("-"),      wxT("foo-bar")       );
 358     TEST_REPLACE( wxT("barfoo"),        0, 6, wxT("foobar"), wxT("foobar")        );
 359
 360
 361     #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
 362         { \
 363             wxString s(o,olen); \
 364             s.replace( pos , len , replacement ); \
 365             CPPUNIT_ASSERT_EQUAL( wxString(r,rlen), s ); \
 366         }
 367
 368     TEST_NULLCHARREPLACE( wxT("null\0char"), 9, 5, 1, wxT("d"),
 369                           wxT("null\0dhar"), 9 );
 370
 371     #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
 372         { \
 373             wxString s(o,olen); \
 374             s.Replace( olds, news, all ); \
 375             CPPUNIT_ASSERT_EQUAL( wxString(r,rlen), s ); \
 376         }
 377
 378     TEST_WXREPLACE( wxT("null\0char"), 9, wxT("c"), wxT("de"), true,
 379                           wxT("null\0dehar"), 10 );
 380
 381     TEST_WXREPLACE( wxT("null\0dehar"), 10, wxT("de"), wxT("c"), true,
 382                           wxT("null\0char"), 9 );
 383
 384     TEST_WXREPLACE( "life", 4, "f", "", false, "lie", 3 );
 385     TEST_WXREPLACE( "life", 4, "f", "", true, "lie", 3 );
 386     TEST_WXREPLACE( "life", 4, "fe", "ve", true, "live", 4 );
 387     TEST_WXREPLACE( "xx", 2, "x", "yy", true, "yyyy", 4 );
 388     TEST_WXREPLACE( "xxx", 3, "xx", "z", true, "zx", 2 );
 389
 390     #undef TEST_WXREPLACE
 391     #undef TEST_NULLCHARREPLACE
 392     #undef TEST_REPLACE
 393 }
 394
 395 void StringTestCase::Match()
 396 {
 397     #define TEST_MATCH( s1 , s2 , result ) \
 398         CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
 399
 400     TEST_MATCH( wxT("foobar"),    wxT("foo*"),   true  );
 401     TEST_MATCH( wxT("foobar"),    wxT("*oo*"),   true  );
 402     TEST_MATCH( wxT("foobar"),    wxT("*bar"),   true  );
 403     TEST_MATCH( wxT("foobar"),    wxT("??????"), true  );
 404     TEST_MATCH( wxT("foobar"),    wxT("f??b*"),  true  );
 405     TEST_MATCH( wxT("foobar"),    wxT("f?b*"),   false );
 406     TEST_MATCH( wxT("foobar"),    wxT("*goo*"),  false );
 407     TEST_MATCH( wxT("foobar"),    wxT("*foo"),   false );
 408     TEST_MATCH( wxT("foobarfoo"), wxT("*foo"),   true  );
 409     TEST_MATCH( wxT(""),          wxT("*"),      true  );
 410     TEST_MATCH( wxT(""),          wxT("?"),      false );
 411
 412     #undef TEST_MATCH
 413 }
 414
 415
 416 void StringTestCase::CaseChanges()
 417 {
 418     wxString s1(wxT("Hello!"));
 419     wxString s1u(s1);
 420     wxString s1l(s1);
 421     s1u.MakeUpper();
 422     s1l.MakeLower();
 423
 424     CPPUNIT_ASSERT_EQUAL( wxT("HELLO!"), s1u );
 425     CPPUNIT_ASSERT_EQUAL( wxT("hello!"), s1l );
 426
 427     wxString s2u, s2l;
 428     s2u.MakeUpper();
 429     s2l.MakeLower();
 430
 431     CPPUNIT_ASSERT_EQUAL( "", s2u );
 432     CPPUNIT_ASSERT_EQUAL( "", s2l );
 433
 434
 435     wxString s3("good bye");
 436     CPPUNIT_ASSERT_EQUAL( "Good bye", s3.Capitalize() );
 437     s3.MakeCapitalized();
 438     CPPUNIT_ASSERT_EQUAL( "Good bye", s3 );
 439
 440     CPPUNIT_ASSERT_EQUAL( "Abc", wxString("ABC").Capitalize() );
 441
 442     CPPUNIT_ASSERT_EQUAL( "", wxString().Capitalize() );
 443 }
 444
 445 void StringTestCase::Compare()
 446 {
 447     wxString s1 = wxT("AHH");
 448     wxString eq = wxT("AHH");
 449     wxString neq1 = wxT("HAH");
 450     wxString neq2 = wxT("AH");
 451     wxString neq3 = wxT("AHHH");
 452     wxString neq4 = wxT("AhH");
 453
 454     CPPUNIT_ASSERT( s1 == eq );
 455     CPPUNIT_ASSERT( s1 != neq1 );
 456     CPPUNIT_ASSERT( s1 != neq2 );
 457     CPPUNIT_ASSERT( s1 != neq3 );
 458     CPPUNIT_ASSERT( s1 != neq4 );
 459
 460     CPPUNIT_ASSERT( s1 == wxT("AHH") );
 461     CPPUNIT_ASSERT( s1 != wxT("no") );
 462     CPPUNIT_ASSERT( s1 < wxT("AZ") );
 463     CPPUNIT_ASSERT( s1 <= wxT("AZ") );
 464     CPPUNIT_ASSERT( s1 <= wxT("AHH") );
 465     CPPUNIT_ASSERT( s1 > wxT("AA") );
 466     CPPUNIT_ASSERT( s1 >= wxT("AA") );
 467     CPPUNIT_ASSERT( s1 >= wxT("AHH") );
 468
 469     // test comparison with C strings in Unicode build (must work in ANSI as
 470     // well, of course):
 471     CPPUNIT_ASSERT( s1 == "AHH" );
 472     CPPUNIT_ASSERT( s1 != "no" );
 473     CPPUNIT_ASSERT( s1 < "AZ" );
 474     CPPUNIT_ASSERT( s1 <= "AZ" );
 475     CPPUNIT_ASSERT( s1 <= "AHH" );
 476     CPPUNIT_ASSERT( s1 > "AA" );
 477     CPPUNIT_ASSERT( s1 >= "AA" );
 478     CPPUNIT_ASSERT( s1 >= "AHH" );
 479
 480 //    wxString _s1 = wxT("A\0HH");
 481 //    wxString _eq = wxT("A\0HH");
 482 //    wxString _neq1 = wxT("H\0AH");
 483 //    wxString _neq2 = wxT("A\0H");
 484 //    wxString _neq3 = wxT("A\0HHH");
 485 //    wxString _neq4 = wxT("A\0hH");
 486     s1.insert(1,1,'\0');
 487     eq.insert(1,1,'\0');
 488     neq1.insert(1,1,'\0');
 489     neq2.insert(1,1,'\0');
 490     neq3.insert(1,1,'\0');
 491     neq4.insert(1,1,'\0');
 492
 493     CPPUNIT_ASSERT( s1 == eq );
 494     CPPUNIT_ASSERT( s1 != neq1 );
 495     CPPUNIT_ASSERT( s1 != neq2 );
 496     CPPUNIT_ASSERT( s1 != neq3 );
 497     CPPUNIT_ASSERT( s1 != neq4 );
 498
 499     CPPUNIT_ASSERT( wxString("\n").Cmp(" ") < 0 );
 500     CPPUNIT_ASSERT( wxString("'").Cmp("!") > 0 );
 501     CPPUNIT_ASSERT( wxString("!").Cmp("z") < 0 );
 502 }
 503
 504 void StringTestCase::CompareNoCase()
 505 {
 506     wxString s1 = wxT("AHH");
 507     wxString eq = wxT("AHH");
 508     wxString eq2 = wxT("AhH");
 509     wxString eq3 = wxT("ahh");
 510     wxString neq = wxT("HAH");
 511     wxString neq2 = wxT("AH");
 512     wxString neq3 = wxT("AHHH");
 513
 514     #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
 515     #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
 516
 517     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 518     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 519     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 520
 521     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 522     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 523     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 524
 525
 526 //    wxString _s1 = wxT("A\0HH");
 527 //    wxString _eq = wxT("A\0HH");
 528 //    wxString _eq2 = wxT("A\0hH");
 529 //    wxString _eq3 = wxT("a\0hh");
 530 //    wxString _neq = wxT("H\0AH");
 531 //    wxString _neq2 = wxT("A\0H");
 532 //    wxString _neq3 = wxT("A\0HHH");
 533
 534     s1.insert(1,1,'\0');
 535     eq.insert(1,1,'\0');
 536     eq2.insert(1,1,'\0');
 537     eq3.insert(1,1,'\0');
 538     neq.insert(1,1,'\0');
 539     neq2.insert(1,1,'\0');
 540     neq3.insert(1,1,'\0');
 541
 542     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 543     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 544     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 545
 546     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 547     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 548     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 549
 550     CPPUNIT_ASSERT( wxString("\n").CmpNoCase(" ") < 0 );
 551     CPPUNIT_ASSERT( wxString("'").CmpNoCase("!") > 0);
 552     CPPUNIT_ASSERT( wxString("!").Cmp("Z") < 0 );
 553 }
 554
 555 void StringTestCase::Contains()
 556 {
 557     static const struct ContainsData
 558     {
 559         const wxChar *hay;
 560         const wxChar *needle;
 561         bool contains;
 562     } containsData[] =
 563     {
 564         { wxT(""),       wxT(""),         true  },
 565         { wxT(""),       wxT("foo"),      false },
 566         { wxT("foo"),    wxT(""),         true  },
 567         { wxT("foo"),    wxT("f"),        true  },
 568         { wxT("foo"),    wxT("o"),        true  },
 569         { wxT("foo"),    wxT("oo"),       true  },
 570         { wxT("foo"),    wxT("ooo"),      false },
 571         { wxT("foo"),    wxT("oooo"),     false },
 572         { wxT("foo"),    wxT("fooo"),     false },
 573     };
 574
 575     for ( size_t n = 0; n < WXSIZEOF(containsData); n++ )
 576     {
 577         const ContainsData& cd = containsData[n];
 578         CPPUNIT_ASSERT_EQUAL( cd.contains, wxString(cd.hay).Contains(cd.needle) );
 579     }
 580 }
 581
 582 // flags used in ToLongData.flags
 583 enum
 584 {
 585     Number_Ok       = 0,
 586     Number_Invalid  = 1,
 587     Number_Unsigned = 2,    // if not specified, works for signed conversion
 588     Number_Signed   = 4,    // if not specified, works for unsigned
 589     Number_LongLong = 8,    // only for long long tests
 590     Number_Long     = 16    // only for long tests
 591 };
 592
 593 static const struct ToLongData
 594 {
 595     const wxChar *str;
 596 #ifdef wxLongLong_t
 597     wxLongLong_t value;
 598 #else
 599     long value;
 600 #endif // wxLongLong_t
 601     int flags;
 602     int base;
 603
 604     long LValue() const { return value; }
 605     unsigned long ULValue() const { return value; }
 606 #ifdef wxLongLong_t
 607     wxLongLong_t LLValue() const { return value; }
 608     wxULongLong_t ULLValue() const { return (wxULongLong_t)value; }
 609 #endif // wxLongLong_t
 610
 611     bool IsOk() const { return !(flags & Number_Invalid); }
 612 } longData[] =
 613 {
 614     { wxT("1"), 1, Number_Ok },
 615     { wxT("0"), 0, Number_Ok },
 616     { wxT("a"), 0, Number_Invalid },
 617     { wxT("12345"), 12345, Number_Ok },
 618     { wxT("--1"), 0, Number_Invalid },
 619
 620     { wxT("-1"), -1, Number_Signed | Number_Long },
 621     // this is surprising but consistent with strtoul() behaviour
 622     { wxT("-1"), ULONG_MAX, Number_Unsigned | Number_Long },
 623
 624     // this must overflow, even with 64 bit long
 625     { wxT("922337203685477580711"), 0, Number_Invalid },
 626
 627 #ifdef wxLongLong_t
 628     { wxT("2147483648"), wxLL(2147483648), Number_LongLong },
 629     { wxT("-2147483648"), wxLL(-2147483648), Number_LongLong | Number_Signed },
 630     { wxT("9223372036854775808"), wxULL(9223372036854775808), Number_LongLong |
 631                                                              Number_Unsigned },
 632 #endif // wxLongLong_t
 633
 634     // Base tests.
 635     { wxT("010"),  10, Number_Ok, 10 },
 636     { wxT("010"),   8, Number_Ok,  0 },
 637     { wxT("010"),   8, Number_Ok,  8 },
 638     { wxT("010"),  16, Number_Ok, 16 },
 639
 640     { wxT("0010"), 10, Number_Ok, 10 },
 641     { wxT("0010"),  8, Number_Ok,  0 },
 642     { wxT("0010"),  8, Number_Ok,  8 },
 643     { wxT("0010"), 16, Number_Ok, 16 },
 644
 645     { wxT("0x11"),  0, Number_Invalid, 10 },
 646     { wxT("0x11"), 17, Number_Ok,       0 },
 647     { wxT("0x11"),  0, Number_Invalid,  8 },
 648     { wxT("0x11"), 17, Number_Ok,      16 },
 649 };
 650
 651 void StringTestCase::ToLong()
 652 {
 653     long l;
 654     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 655     {
 656         const ToLongData& ld = longData[n];
 657
 658         if ( ld.flags & (Number_LongLong | Number_Unsigned) )
 659             continue;
 660
 661         // NOTE: unless you're using some exotic locale, ToCLong and ToLong
 662         //       should behave the same for our test data set:
 663
 664         CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
 665                               wxString(ld.str).ToCLong(&l, ld.base) );
 666         if ( ld.IsOk() )
 667             CPPUNIT_ASSERT_EQUAL( ld.LValue(), l );
 668
 669         CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
 670                               wxString(ld.str).ToLong(&l, ld.base) );
 671         if ( ld.IsOk() )
 672             CPPUNIT_ASSERT_EQUAL( ld.LValue(), l );
 673     }
 674
 675     // special case: check that the output is not modified if the parsing
 676     // failed completely
 677     l = 17;
 678     CPPUNIT_ASSERT( !wxString("foo").ToLong(&l) );
 679     CPPUNIT_ASSERT_EQUAL( 17, l );
 680
 681     // also check that it is modified if we did parse something successfully in
 682     // the beginning of the string
 683     CPPUNIT_ASSERT( !wxString("9 cats").ToLong(&l) );
 684     CPPUNIT_ASSERT_EQUAL( 9, l );
 685 }
 686
 687 void StringTestCase::ToULong()
 688 {
 689     unsigned long ul;
 690     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 691     {
 692         const ToLongData& ld = longData[n];
 693
 694         if ( ld.flags & (Number_LongLong | Number_Signed) )
 695             continue;
 696
 697         // NOTE: unless you're using some exotic locale, ToCLong and ToLong
 698         //       should behave the same for our test data set:
 699
 700         CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
 701                               wxString(ld.str).ToCULong(&ul, ld.base) );
 702         if ( ld.IsOk() )
 703             CPPUNIT_ASSERT_EQUAL( ld.ULValue(), ul );
 704
 705         CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
 706                               wxString(ld.str).ToULong(&ul, ld.base) );
 707         if ( ld.IsOk() )
 708             CPPUNIT_ASSERT_EQUAL( ld.ULValue(), ul );
 709     }
 710 }
 711
 712 #ifdef wxLongLong_t
 713
 714 void StringTestCase::ToLongLong()
 715 {
 716     wxLongLong_t l;
 717     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 718     {
 719         const ToLongData& ld = longData[n];
 720
 721         if ( ld.flags & (Number_Long | Number_Unsigned) )
 722             continue;
 723
 724         CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
 725                               wxString(ld.str).ToLongLong(&l, ld.base) );
 726         if ( ld.IsOk() )
 727             CPPUNIT_ASSERT_EQUAL( ld.LLValue(), l );
 728     }
 729 }
 730
 731 void StringTestCase::ToULongLong()
 732 {
 733     wxULongLong_t ul;
 734     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 735     {
 736         const ToLongData& ld = longData[n];
 737
 738         if ( ld.flags & (Number_Long | Number_Signed) )
 739             continue;
 740
 741         CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
 742                               wxString(ld.str).ToULongLong(&ul, ld.base) );
 743         if ( ld.IsOk() )
 744             CPPUNIT_ASSERT_EQUAL( ld.ULLValue(), ul );
 745     }
 746 }
 747
 748 #endif // wxLongLong_t
 749
 750 void StringTestCase::ToDouble()
 751 {
 752     double d;
 753     static const struct ToDoubleData
 754     {
 755         const wxChar *str;
 756         double value;
 757         bool ok;
 758     } doubleData[] =
 759     {
 760         { wxT("1"), 1, true },
 761         { wxT("1.23"), 1.23, true },
 762         { wxT(".1"), .1, true },
 763         { wxT("1."), 1, true },
 764         { wxT("1.."), 0, false },
 765         { wxT("0"), 0, true },
 766         { wxT("a"), 0, false },
 767         { wxT("12345"), 12345, true },
 768         { wxT("-1"), -1, true },
 769         { wxT("--1"), 0, false },
 770         { wxT("-3E-5"), -3E-5, true },
 771         { wxT("-3E-abcde5"), 0, false },
 772     };
 773
 774     // test ToCDouble() first:
 775
 776     size_t n;
 777     for ( n = 0; n < WXSIZEOF(doubleData); n++ )
 778     {
 779         const ToDoubleData& ld = doubleData[n];
 780         CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToCDouble(&d) );
 781         if ( ld.ok )
 782             CPPUNIT_ASSERT_EQUAL( ld.value, d );
 783     }
 784
 785
 786     // test ToDouble() now:
 787     // NOTE: for the test to be reliable, we need to set the locale explicitly
 788     //       so that we know the decimal point character to use
 789
 790     if (!wxLocale::IsAvailable(wxLANGUAGE_FRENCH))
 791         return;     // you should have french support installed to continue this test!
 792
 793     wxLocale locale;
 794
 795     // don't load default catalog, it may be unavailable:
 796     CPPUNIT_ASSERT( locale.Init(wxLANGUAGE_FRENCH, wxLOCALE_DONT_LOAD_DEFAULT) );
 797
 798     static const struct ToDoubleData doubleData2[] =
 799     {
 800         { wxT("1"), 1, true },
 801         { wxT("1,23"), 1.23, true },
 802         { wxT(",1"), .1, true },
 803         { wxT("1,"), 1, true },
 804         { wxT("1,,"), 0, false },
 805         { wxT("0"), 0, true },
 806         { wxT("a"), 0, false },
 807         { wxT("12345"), 12345, true },
 808         { wxT("-1"), -1, true },
 809         { wxT("--1"), 0, false },
 810         { wxT("-3E-5"), -3E-5, true },
 811         { wxT("-3E-abcde5"), 0, false },
 812     };
 813
 814     for ( n = 0; n < WXSIZEOF(doubleData2); n++ )
 815     {
 816         const ToDoubleData& ld = doubleData2[n];
 817         CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToDouble(&d) );
 818         if ( ld.ok )
 819             CPPUNIT_ASSERT_EQUAL( ld.value, d );
 820     }
 821 }
 822
 823 void StringTestCase::FromDouble()
 824 {
 825     static const struct FromDoubleTestData
 826     {
 827         double value;
 828         int prec;
 829         const char *str;
 830     } testData[] =
 831     {
 832         { 1.23,             -1, "1.23" },
 833         // NB: there are no standards about the minimum exponent width
 834         //     and newer MSVC versions use 3 digits as minimum exponent
 835         //     width while GNU libc uses 2 digits as minimum width...
 836 #ifdef wxUSING_VC_CRT_IO
 837         { -3e-10,           -1, "-3e-010" },
 838 #else
 839         { -3e-10,           -1, "-3e-10" },
 840 #endif
 841         { -0.45678,         -1, "-0.45678" },
 842         { 1.2345678,         0, "1" },
 843         { 1.2345678,         1, "1.2" },
 844         { 1.2345678,         2, "1.23" },
 845         { 1.2345678,         3, "1.235" },
 846     };
 847
 848     for ( unsigned n = 0; n < WXSIZEOF(testData); n++ )
 849     {
 850         const FromDoubleTestData& td = testData[n];
 851         CPPUNIT_ASSERT_EQUAL( td.str, wxString::FromCDouble(td.value, td.prec) );
 852     }
 853
 854     if ( !wxLocale::IsAvailable(wxLANGUAGE_FRENCH) )
 855         return;
 856
 857     wxLocale locale;
 858     CPPUNIT_ASSERT( locale.Init(wxLANGUAGE_FRENCH, wxLOCALE_DONT_LOAD_DEFAULT) );
 859
 860     for ( unsigned m = 0; m < WXSIZEOF(testData); m++ )
 861     {
 862         const FromDoubleTestData& td = testData[m];
 863
 864         wxString str(td.str);
 865         str.Replace(".", ",");
 866         CPPUNIT_ASSERT_EQUAL( str, wxString::FromDouble(td.value, td.prec) );
 867     }
 868 }
 869
 870 void StringTestCase::StringBuf()
 871 {
 872     // check that buffer can be used to write into the string
 873     wxString s;
 874     wxStrcpy(wxStringBuffer(s, 10), wxT("foo"));
 875
 876     CPPUNIT_ASSERT_EQUAL(3, s.length());
 877     CPPUNIT_ASSERT(wxT('f') == s[0u]);
 878     CPPUNIT_ASSERT(wxT('o') == s[1]);
 879     CPPUNIT_ASSERT(wxT('o') == s[2]);
 880
 881     {
 882         // also check that the buffer initially contains the original string
 883         // contents
 884         wxStringBuffer buf(s, 10);
 885         CPPUNIT_ASSERT_EQUAL( wxT('f'), buf[0] );
 886         CPPUNIT_ASSERT_EQUAL( wxT('o'), buf[1] );
 887         CPPUNIT_ASSERT_EQUAL( wxT('o'), buf[2] );
 888         CPPUNIT_ASSERT_EQUAL( wxT('\0'), buf[3] );
 889     }
 890
 891     {
 892         wxStringBufferLength buf(s, 10);
 893         CPPUNIT_ASSERT_EQUAL( wxT('f'), buf[0] );
 894         CPPUNIT_ASSERT_EQUAL( wxT('o'), buf[1] );
 895         CPPUNIT_ASSERT_EQUAL( wxT('o'), buf[2] );
 896         CPPUNIT_ASSERT_EQUAL( wxT('\0'), buf[3] );
 897
 898         // and check that it can be used to write only the specified number of
 899         // characters to the string
 900         wxStrcpy(buf, wxT("barrbaz"));
 901         buf.SetLength(4);
 902     }
 903
 904     CPPUNIT_ASSERT_EQUAL(4, s.length());
 905     CPPUNIT_ASSERT(wxT('b') == s[0u]);
 906     CPPUNIT_ASSERT(wxT('a') == s[1]);
 907     CPPUNIT_ASSERT(wxT('r') == s[2]);
 908     CPPUNIT_ASSERT(wxT('r') == s[3]);
 909
 910     // check that creating buffer of length smaller than string works, i.e. at
 911     // least doesn't crash (it would if we naively copied the entire original
 912     // string contents in the buffer)
 913     *wxStringBuffer(s, 1) = '!';
 914 }
 915
 916 void StringTestCase::UTF8Buf()
 917 {
 918 #if wxUSE_UNICODE
 919     // "czech" in Czech ("cestina"):
 920     static const char *textUTF8 = "\304\215e\305\241tina";
 921     static const wchar_t textUTF16[] = {0x10D, 0x65, 0x161, 0x74, 0x69, 0x6E, 0x61, 0};
 922
 923     wxString s;
 924     wxStrcpy(wxUTF8StringBuffer(s, 9), textUTF8);
 925     CPPUNIT_ASSERT(s == textUTF16);
 926
 927     {
 928         wxUTF8StringBufferLength buf(s, 20);
 929         wxStrcpy(buf, textUTF8);
 930         buf.SetLength(5);
 931     }
 932     CPPUNIT_ASSERT(s == wxString(textUTF16, 0, 3));
 933 #endif // wxUSE_UNICODE
 934 }
 935
 936
 937
 938 void StringTestCase::CStrDataTernaryOperator()
 939 {
 940     DoCStrDataTernaryOperator(true);
 941     DoCStrDataTernaryOperator(false);
 942 }
 943
 944 template<typename T> bool CheckStr(const wxString& expected, T s)
 945 {
 946     return expected == wxString(s);
 947 }
 948
 949 void StringTestCase::DoCStrDataTernaryOperator(bool cond)
 950 {
 951     // test compilation of wxCStrData when used with operator?: (the asserts
 952     // are not very important, we're testing if the code compiles at all):
 953
 954     wxString s("foo");
 955
 956     const wchar_t *wcStr = L"foo";
 957     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : wcStr)) );
 958     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : L"foo")) );
 959     CPPUNIT_ASSERT( CheckStr(s, (cond ? wcStr : s.c_str())) );
 960     CPPUNIT_ASSERT( CheckStr(s, (cond ? L"foo" : s.c_str())) );
 961
 962     const char *mbStr = "foo";
 963     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : mbStr)) );
 964     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : "foo")) );
 965     CPPUNIT_ASSERT( CheckStr(s, (cond ? mbStr : s.c_str())) );
 966     CPPUNIT_ASSERT( CheckStr(s, (cond ? "foo" : s.c_str())) );
 967
 968     wxString empty("");
 969     CPPUNIT_ASSERT( CheckStr(empty, (cond ? empty.c_str() : wxEmptyString)) );
 970     CPPUNIT_ASSERT( CheckStr(empty, (cond ? wxEmptyString : empty.c_str())) );
 971 }
 972
 973 void StringTestCase::CStrDataOperators()
 974 {
 975     wxString s("hello");
 976
 977     CPPUNIT_ASSERT( s.c_str()[0] == 'h' );
 978     CPPUNIT_ASSERT( s.c_str()[1] == 'e' );
 979
 980     // IMPORTANT: at least with the CRT coming with MSVC++ 2008 trying to access
 981     //            the final character results in an assert failure (with debug CRT)
 982     //CPPUNIT_ASSERT( s.c_str()[5] == '\0' );
 983
 984     CPPUNIT_ASSERT( *s.c_str() == 'h' );
 985     CPPUNIT_ASSERT( *(s.c_str() + 2) == 'l' );
 986     //CPPUNIT_ASSERT( *(s.c_str() + 5) == '\0' );
 987 }
 988
 989 bool CheckStrChar(const wxString& expected, char *s)
 990     { return CheckStr(expected, s); }
 991 bool CheckStrWChar(const wxString& expected, wchar_t *s)
 992     { return CheckStr(expected, s); }
 993 bool CheckStrConstChar(const wxString& expected, const char *s)
 994     { return CheckStr(expected, s); }
 995 bool CheckStrConstWChar(const wxString& expected, const wchar_t *s)
 996     { return CheckStr(expected, s); }
 997
 998 void StringTestCase::CStrDataImplicitConversion()
 999 {
1000     wxString s("foo");
1001
1002     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.c_str()) );
1003     CPPUNIT_ASSERT( CheckStrConstChar(s, s.c_str()) );
1004
1005     // implicit conversion of wxString is not available in STL build
1006 #if !wxUSE_STL
1007     CPPUNIT_ASSERT( CheckStrConstWChar(s, s) );
1008     CPPUNIT_ASSERT( CheckStrConstChar(s, s) );
1009 #endif
1010 }
1011
1012 void StringTestCase::ExplicitConversion()
1013 {
1014     wxString s("foo");
1015
1016     CPPUNIT_ASSERT( CheckStr(s, s.mb_str()) );
1017     CPPUNIT_ASSERT( CheckStrConstChar(s, s.mb_str()) );
1018     CPPUNIT_ASSERT( CheckStrChar(s, s.char_str()) );
1019
1020     CPPUNIT_ASSERT( CheckStr(s, s.wc_str()) );
1021     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.wc_str()) );
1022     CPPUNIT_ASSERT( CheckStrWChar(s, s.wchar_str()) );
1023 }
1024
1025 void StringTestCase::IndexedAccess()
1026 {
1027     wxString s("bar");
1028     CPPUNIT_ASSERT_EQUAL( 'r', (char)s[2] );
1029
1030     // this tests for a possible bug in UTF-8 based wxString implementation:
1031     // the 3rd character of the underlying byte string is going to change, but
1032     // the 3rd character of wxString should remain the same
1033     s[0] = L'\xe9';
1034     CPPUNIT_ASSERT_EQUAL( 'r', (char)s[2] );
1035 }
1036
1037 void StringTestCase::BeforeAndAfter()
1038 {
1039     // Construct a string with 2 equal signs in it by concatenating its three
1040     // parts: before the first "=", in between the two "="s and after the last
1041     // one. This allows to avoid duplicating the string contents (which has to
1042     // be different for Unicode and ANSI builds) in the tests below.
1043 #if wxUSE_UNICODE
1044     #define FIRST_PART L"letter"
1045     #define MIDDLE_PART L"\xe9;\xe7a"
1046     #define LAST_PART L"l\xe0"
1047 #else // !wxUSE_UNICODE
1048     #define FIRST_PART "letter"
1049     #define MIDDLE_PART "e;ca"
1050     #define LAST_PART "la"
1051 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
1052
1053     const wxString s(FIRST_PART wxT("=") MIDDLE_PART wxT("=") LAST_PART);
1054
1055     wxString r;
1056
1057     CPPUNIT_ASSERT_EQUAL( FIRST_PART, s.BeforeFirst('=', &r) );
1058     CPPUNIT_ASSERT_EQUAL( MIDDLE_PART wxT("=") LAST_PART, r );
1059
1060     CPPUNIT_ASSERT_EQUAL( s, s.BeforeFirst('!', &r) );
1061     CPPUNIT_ASSERT_EQUAL( "", r );
1062
1063
1064     CPPUNIT_ASSERT_EQUAL( FIRST_PART wxT("=") MIDDLE_PART, s.BeforeLast('=', &r) );
1065     CPPUNIT_ASSERT_EQUAL( LAST_PART, r );
1066
1067     CPPUNIT_ASSERT_EQUAL( "", s.BeforeLast('!', &r) );
1068     CPPUNIT_ASSERT_EQUAL( s, r );
1069
1070
1071     CPPUNIT_ASSERT_EQUAL( MIDDLE_PART wxT("=") LAST_PART, s.AfterFirst('=') );
1072     CPPUNIT_ASSERT_EQUAL( "", s.AfterFirst('!') );
1073
1074
1075     CPPUNIT_ASSERT_EQUAL( LAST_PART, s.AfterLast('=') );
1076     CPPUNIT_ASSERT_EQUAL( s, s.AfterLast('!') );
1077
1078     #undef LAST_PART
1079     #undef MIDDLE_PART
1080     #undef FIRST_PART
1081 }
1082
1083 void StringTestCase::ScopedBuffers()
1084 {
1085     // wxString relies on efficient buffers, verify they work as they should
1086
1087     const char *literal = "Hello World!";
1088
1089     // non-owned buffer points to the string passed to it
1090     wxScopedCharBuffer sbuf = wxScopedCharBuffer::CreateNonOwned(literal);
1091     CPPUNIT_ASSERT( sbuf.data() == literal );
1092
1093     // a copy of scoped non-owned buffer still points to the same string
1094     wxScopedCharBuffer sbuf2(sbuf);
1095     CPPUNIT_ASSERT( sbuf.data() == sbuf2.data() );
1096
1097     // but assigning it to wxCharBuffer makes a full copy
1098     wxCharBuffer buf(sbuf);
1099     CPPUNIT_ASSERT( buf.data() != literal );
1100     CPPUNIT_ASSERT_EQUAL( literal, buf.data() );
1101
1102     wxCharBuffer buf2 = sbuf;
1103     CPPUNIT_ASSERT( buf2.data() != literal );
1104     CPPUNIT_ASSERT_EQUAL( literal, buf.data() );
1105
1106     // Check that extending the buffer keeps it NUL-terminated.
1107     size_t len = 10;
1108
1109     wxCharBuffer buf3(len);
1110     CPPUNIT_ASSERT_EQUAL('\0', buf3.data()[len]);
1111
1112     wxCharBuffer buf4;
1113     buf4.extend(len);
1114     CPPUNIT_ASSERT_EQUAL('\0', buf4.data()[len]);
1115
1116     wxCharBuffer buf5(5);
1117     buf5.extend(len);
1118     CPPUNIT_ASSERT_EQUAL('\0', buf5.data()[len]);
1119 }