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 "wx/wxprec.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 #include "wx/tokenzr.h"
  25
  26 #include "wx/cppunit.h"
  27
  28 // ----------------------------------------------------------------------------
  29 // test class
  30 // ----------------------------------------------------------------------------
  31
  32 class StringTestCase : public CppUnit::TestCase
  33 {
  34 public:
  35     StringTestCase();
  36
  37 private:
  38     CPPUNIT_TEST_SUITE( StringTestCase );
  39         CPPUNIT_TEST( String );
  40         CPPUNIT_TEST( PChar );
  41         CPPUNIT_TEST( Format );
  42         CPPUNIT_TEST( Constructors );
  43 #if wxUSE_WCHAR_T
  44         CPPUNIT_TEST( ConstructorsWithConversion );
  45 #endif
  46         CPPUNIT_TEST( Extraction );
  47         CPPUNIT_TEST( Find );
  48         CPPUNIT_TEST( Tokenizer );
  49         CPPUNIT_TEST( Replace );
  50         CPPUNIT_TEST( Match );
  51         CPPUNIT_TEST( CaseChanges );
  52         CPPUNIT_TEST( Compare );
  53         CPPUNIT_TEST( CompareNoCase );
  54     CPPUNIT_TEST_SUITE_END();
  55
  56     void String();
  57     void PChar();
  58     void Format();
  59     void Constructors();
  60 #if wxUSE_WCHAR_T
  61     void ConstructorsWithConversion();
  62 #endif
  63     void Extraction();
  64     void Find();
  65     void SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode );
  66     void Tokenizer();
  67     void Replace();
  68     void Match();
  69     void CaseChanges();
  70     void Compare();
  71     void CompareNoCase();
  72
  73     DECLARE_NO_COPY_CLASS(StringTestCase)
  74 };
  75
  76 // register in the unnamed registry so that these tests are run by default
  77 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
  78
  79 // also include in it's own registry so that these tests can be run alone
  80 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
  81
  82 StringTestCase::StringTestCase()
  83 {
  84 }
  85
  86 void StringTestCase::String()
  87 {
  88     wxString a, b, c;
  89
  90     a.reserve (128);
  91     b.reserve (128);
  92     c.reserve (128);
  93
  94     for (int i = 0; i < 2; ++i)
  95     {
  96         a = _T("Hello");
  97         b = _T(" world");
  98         c = _T("! How'ya doin'?");
  99         a += b;
 100         a += c;
 101         c = _T("Hello world! What's up?");
 102         CPPUNIT_ASSERT( c != a );
 103     }
 104 }
 105
 106 void StringTestCase::PChar()
 107 {
 108     wxChar a [128];
 109     wxChar b [128];
 110     wxChar c [128];
 111
 112     for (int i = 0; i < 2; ++i)
 113     {
 114         wxStrcpy (a, _T("Hello"));
 115         wxStrcpy (b, _T(" world"));
 116         wxStrcpy (c, _T("! How'ya doin'?"));
 117         wxStrcat (a, b);
 118         wxStrcat (a, c);
 119         wxStrcpy (c, _T("Hello world! What's up?"));
 120         CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
 121     }
 122 }
 123
 124 void StringTestCase::Format()
 125 {
 126     wxString s1,s2;
 127     s1.Printf(_T("%03d"), 18);
 128     CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
 129     s2.Printf(_T("Number 18: %s\n"), s1.c_str());
 130     CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
 131 }
 132
 133 void StringTestCase::Constructors()
 134 {
 135     #define TEST_CTOR(args, res)                                               \
 136         {                                                                      \
 137             wxString s args ;                                                  \
 138             CPPUNIT_ASSERT( s == res );                                        \
 139         }
 140
 141     TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
 142     TEST_CTOR((_T("Hello"), 4), _T("Hell"));
 143     TEST_CTOR((_T("Hello"), 5), _T("Hello"));
 144
 145     static const wxChar *s = _T("?really!");
 146     const wxChar *start = wxStrchr(s, _T('r'));
 147     const wxChar *end = wxStrchr(s, _T('!'));
 148     TEST_CTOR((start, end), _T("really"));
 149 }
 150
 151 #if wxUSE_WCHAR_T
 152 void StringTestCase::ConstructorsWithConversion()
 153 {
 154     // Déj`a in UTF-8 and wchar_t:
 155     const char utf8[] = {0x44,0xC3,0xA9,0x6A,0xC3,0xA0,0};
 156     const wchar_t wchar[] = {0x44,0xE9,0x6A,0xE0,0};
 157     const char utf8sub[] = {0x44,0xC3,0xA9,0x6A,0}; // "Dej"
 158
 159     wxString s1(utf8, wxConvUTF8);
 160     wxString s2(wchar, wxConvUTF8);
 161
 162 #if wxUSE_UNICODE
 163     CPPUNIT_ASSERT( s1 == wchar );
 164     CPPUNIT_ASSERT( s2 == wchar );
 165 #else
 166     CPPUNIT_ASSERT( s1 == utf8 );
 167     CPPUNIT_ASSERT( s2 == utf8 );
 168 #endif
 169
 170     wxString sub(utf8sub, wxConvUTF8); // "Dej" substring
 171     wxString s3(utf8, wxConvUTF8, 4);
 172     wxString s4(wchar, wxConvUTF8, 3);
 173
 174     CPPUNIT_ASSERT( s3 == sub );
 175     CPPUNIT_ASSERT( s4 == sub );
 176 }
 177 #endif
 178
 179 void StringTestCase::Extraction()
 180 {
 181     wxString s(_T("Hello, world!"));
 182
 183     CPPUNIT_ASSERT( wxStrcmp( s.c_str() , _T("Hello, world!") ) == 0 );
 184     CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , _T("Hello") ) == 0 );
 185     CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , _T("world!") ) == 0 );
 186     CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 );
 187     CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , _T("lo, world!") ) == 0 );
 188     CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
 189     CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
 190
 191     wxString rest;
 192
 193     #define TEST_STARTS_WITH( prefix , correct_rest, result ) \
 194         CPPUNIT_ASSERT( \
 195             ( s.StartsWith( prefix, &rest ) == result ) && \
 196             ( ( result == false ) || ( wxStrcmp( correct_rest , rest ) == 0 ) ) \
 197         )
 198
 199     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
 200     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
 201     TEST_STARTS_WITH( _T("Hello, world!"),   _T(""),              true  );
 202     TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""),              false );
 203     TEST_STARTS_WITH( _T(""),                _T("Hello, world!"), true  );
 204     TEST_STARTS_WITH( _T("Goodbye"),         _T(""),              false );
 205     TEST_STARTS_WITH( _T("Hi"),              _T(""),              false );
 206
 207     #undef TEST_STARTS_WITH
 208 }
 209
 210 void StringTestCase::Find()
 211 {
 212     #define TEST_FIND( str , start , result )  \
 213         CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
 214
 215     TEST_FIND( _T("Well, hello world"),  0, 1              );
 216     TEST_FIND( _T("Well, hello world"),  6, 7              );
 217     TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
 218
 219     #undef TEST_FIND
 220 }
 221
 222 void StringTestCase::SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode )
 223 {
 224     wxStringTokenizer tkz( str, delims, mode);
 225     CPPUNIT_ASSERT( tkz.CountTokens() == count );
 226
 227     wxChar *buf, *s = NULL, *last;
 228
 229     if ( tkz.GetMode() == wxTOKEN_STRTOK )
 230     {
 231         buf = new wxChar[wxStrlen(str) + 1];
 232         wxStrcpy(buf, str);
 233         s = wxStrtok(buf, delims, &last);
 234     }
 235     else
 236     {
 237         buf = NULL;
 238     }
 239
 240     size_t count2 = 0;
 241     while ( tkz.HasMoreTokens() )
 242     {
 243         wxString token = tkz.GetNextToken();
 244         if ( buf )
 245         {
 246             CPPUNIT_ASSERT( token == s );
 247             s = wxStrtok(NULL, delims, &last);
 248         }
 249         count2++;
 250     }
 251
 252     CPPUNIT_ASSERT( count2 == count );
 253     if ( buf )
 254     {
 255         delete [] buf;
 256     }
 257 }
 258
 259 void StringTestCase::Tokenizer()
 260 {
 261     SingleTokenizerTest( _T(""),                                           _T(" "),              0, wxTOKEN_DEFAULT       );
 262     SingleTokenizerTest( _T("Hello, world"),                               _T(" "),              2, wxTOKEN_DEFAULT       );
 263     SingleTokenizerTest( _T("Hello,   world  "),                           _T(" "),              2, wxTOKEN_DEFAULT       );
 264     SingleTokenizerTest( _T("Hello, world"),                               _T(","),              2, wxTOKEN_DEFAULT       );
 265     SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             2, wxTOKEN_DEFAULT       );
 266     SingleTokenizerTest( _T("Hello,, world!"),                             _T(",!"),             3, wxTOKEN_DEFAULT       );
 267     SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             3, wxTOKEN_RET_EMPTY_ALL );
 268     SingleTokenizerTest( _T("username:password:uid:gid:gecos:home:shell"), _T(":"),              7, wxTOKEN_DEFAULT       );
 269     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 4, wxTOKEN_DEFAULT       );
 270     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 6, wxTOKEN_RET_EMPTY     );
 271     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 9, wxTOKEN_RET_EMPTY_ALL );
 272     SingleTokenizerTest( _T("01/02/99"),                                   _T("/-"),             3, wxTOKEN_DEFAULT       );
 273     SingleTokenizerTest( _T("01-02/99"),                                   _T("/-"),             3, wxTOKEN_RET_DELIMS    );
 274 }
 275
 276 void StringTestCase::Replace()
 277 {
 278     #define TEST_REPLACE( original , pos , len , replacement , result ) \
 279         { \
 280             wxString s = original; \
 281             s.replace( pos , len , replacement ); \
 282             CPPUNIT_ASSERT( s == result ); \
 283         }
 284
 285     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );
 286     TEST_REPLACE( _T("increase"),      0, 2, _T("de"),     _T("decrease")      );
 287     TEST_REPLACE( _T("wxWindow"),      8, 0, _T("s"),      _T("wxWindows")     );
 288     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
 289     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 290
 291     #undef TEST_REPLACE
 292 }
 293
 294 void StringTestCase::Match()
 295 {
 296     #define TEST_MATCH( s1 , s2 , result ) \
 297         CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
 298
 299     TEST_MATCH( _T("foobar"),    _T("foo*"),   true  );
 300     TEST_MATCH( _T("foobar"),    _T("*oo*"),   true  );
 301     TEST_MATCH( _T("foobar"),    _T("*bar"),   true  );
 302     TEST_MATCH( _T("foobar"),    _T("??????"), true  );
 303     TEST_MATCH( _T("foobar"),    _T("f??b*"),  true  );
 304     TEST_MATCH( _T("foobar"),    _T("f?b*"),   false );
 305     TEST_MATCH( _T("foobar"),    _T("*goo*"),  false );
 306     TEST_MATCH( _T("foobar"),    _T("*foo"),   false );
 307     TEST_MATCH( _T("foobarfoo"), _T("*foo"),   true  );
 308     TEST_MATCH( _T(""),          _T("*"),      true  );
 309     TEST_MATCH( _T(""),          _T("?"),      false );
 310
 311     #undef TEST_MATCH
 312 }
 313
 314
 315 void StringTestCase::CaseChanges()
 316 {
 317     wxString s1(_T("Hello!"));
 318     wxString s1u(s1);
 319     wxString s1l(s1);
 320     s1u.MakeUpper();
 321     s1l.MakeLower();
 322     wxString s2u, s2l;
 323     s2u.MakeUpper();
 324     s2l.MakeLower();
 325
 326     CPPUNIT_ASSERT( s1u == _T("HELLO!") );
 327     CPPUNIT_ASSERT( s1l == _T("hello!") );
 328     CPPUNIT_ASSERT( s2u == wxEmptyString );
 329     CPPUNIT_ASSERT( s2l == wxEmptyString );
 330
 331 #if !wxUSE_UNICODE
 332     wxLocale locRu(wxLANGUAGE_RUSSIAN, 0 /* flags */);
 333     if ( locRu.IsOk() )
 334     {
 335         // try upper casing 8bit strings
 336         wxString sUpper("\xdf"),
 337                  sLower("\xff");
 338
 339         CPPUNIT_ASSERT( sUpper.Lower() == sLower );
 340         CPPUNIT_ASSERT( sLower.Upper() == sUpper );
 341     }
 342 #endif // !wxUSE_UNICODE
 343 }
 344
 345 void StringTestCase::Compare()
 346 {
 347     wxString s1 = wxT("AHH");
 348     wxString eq = wxT("AHH");
 349     wxString neq1 = wxT("HAH");
 350     wxString neq2 = wxT("AH");
 351     wxString neq3 = wxT("AHHH");
 352     wxString neq4 = wxT("AhH");
 353
 354     CPPUNIT_ASSERT( s1 == eq );
 355     CPPUNIT_ASSERT( s1 != neq1 );
 356     CPPUNIT_ASSERT( s1 != neq2 );
 357     CPPUNIT_ASSERT( s1 != neq3 );
 358     CPPUNIT_ASSERT( s1 != neq4 );
 359
 360 //    wxString _s1 = wxT("A\0HH");
 361 //    wxString _eq = wxT("A\0HH");
 362 //    wxString _neq1 = wxT("H\0AH");
 363 //    wxString _neq2 = wxT("A\0H");
 364 //    wxString _neq3 = wxT("A\0HHH");
 365 //    wxString _neq4 = wxT("A\0hH");
 366     s1.insert(1,1,'\0');
 367     eq.insert(1,1,'\0');
 368     neq1.insert(1,1,'\0');
 369     neq2.insert(1,1,'\0');
 370     neq3.insert(1,1,'\0');
 371     neq4.insert(1,1,'\0');
 372
 373     CPPUNIT_ASSERT( s1 == eq );
 374     CPPUNIT_ASSERT( s1 != neq1 );
 375     CPPUNIT_ASSERT( s1 != neq2 );
 376     CPPUNIT_ASSERT( s1 != neq3 );
 377     CPPUNIT_ASSERT( s1 != neq4 );
 378 }
 379
 380 void StringTestCase::CompareNoCase()
 381 {
 382     wxString s1 = wxT("AHH");
 383     wxString eq = wxT("AHH");
 384     wxString eq2 = wxT("AhH");
 385     wxString eq3 = wxT("ahh");
 386     wxString neq = wxT("HAH");
 387     wxString neq2 = wxT("AH");
 388     wxString neq3 = wxT("AHHH");
 389
 390     #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
 391     #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
 392
 393     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 394     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 395     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 396
 397     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 398     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 399     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 400
 401
 402 //    wxString _s1 = wxT("A\0HH");
 403 //    wxString _eq = wxT("A\0HH");
 404 //    wxString _eq2 = wxT("A\0hH");
 405 //    wxString _eq3 = wxT("a\0hh");
 406 //    wxString _neq = wxT("H\0AH");
 407 //    wxString _neq2 = wxT("A\0H");
 408 //    wxString _neq3 = wxT("A\0HHH");
 409
 410     s1.insert(1,1,'\0');
 411     eq.insert(1,1,'\0');
 412     eq2.insert(1,1,'\0');
 413     eq3.insert(1,1,'\0');
 414     neq.insert(1,1,'\0');
 415     neq2.insert(1,1,'\0');
 416     neq3.insert(1,1,'\0');
 417
 418     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 419     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 420     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 421
 422     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 423     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 424     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 425 }