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         CPPUNIT_TEST( Extraction );
  44         CPPUNIT_TEST( Find );
  45         CPPUNIT_TEST( Tokenizer );
  46         CPPUNIT_TEST( Replace );
  47         CPPUNIT_TEST( Match );
  48     CPPUNIT_TEST_SUITE_END();
  49
  50     void String();
  51     void PChar();
  52     void Format();
  53     void Constructors();
  54     void Extraction();
  55     void Find();
  56     void SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode );
  57     void Tokenizer();
  58     void Replace();
  59     void Match();
  60
  61     DECLARE_NO_COPY_CLASS(StringTestCase)
  62 };
  63
  64 // register in the unnamed registry so that these tests are run by default
  65 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
  66
  67 // also include in it's own registry so that these tests can be run alone
  68 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
  69
  70 StringTestCase::StringTestCase()
  71 {
  72 }
  73
  74 void StringTestCase::String()
  75 {
  76     wxString a, b, c;
  77
  78     a.reserve (128);
  79     b.reserve (128);
  80     c.reserve (128);
  81
  82     for (int i = 0; i < 2; ++i)
  83     {
  84         a = _T("Hello");
  85         b = _T(" world");
  86         c = _T("! How'ya doin'?");
  87         a += b;
  88         a += c;
  89         c = _T("Hello world! What's up?");
  90         CPPUNIT_ASSERT( c != a );
  91     }
  92 }
  93
  94 void StringTestCase::PChar()
  95 {
  96     wxChar a [128];
  97     wxChar b [128];
  98     wxChar c [128];
  99
 100     for (int i = 0; i < 2; ++i)
 101     {
 102         wxStrcpy (a, _T("Hello"));
 103         wxStrcpy (b, _T(" world"));
 104         wxStrcpy (c, _T("! How'ya doin'?"));
 105         wxStrcat (a, b);
 106         wxStrcat (a, c);
 107         wxStrcpy (c, _T("Hello world! What's up?"));
 108         CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
 109     }
 110 }
 111
 112 void StringTestCase::Format()
 113 {
 114     wxString s1,s2;
 115     s1.Printf(_T("%03d"), 18);
 116     CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
 117     s2.Printf(_T("Number 18: %s\n"), s1.c_str());
 118     CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
 119 }
 120
 121 void StringTestCase::Constructors()
 122 {
 123     #define TEST_CTOR(args, res)                                               \
 124         {                                                                      \
 125             wxString s args ;                                                  \
 126             CPPUNIT_ASSERT( s == res );                                        \
 127         }
 128
 129     TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
 130     TEST_CTOR((_T("Hello"), 4), _T("Hell"));
 131     TEST_CTOR((_T("Hello"), 5), _T("Hello"));
 132
 133     static const wxChar *s = _T("?really!");
 134     const wxChar *start = wxStrchr(s, _T('r'));
 135     const wxChar *end = wxStrchr(s, _T('!'));
 136     TEST_CTOR((start, end), _T("really"));
 137 }
 138
 139 void StringTestCase::Extraction()
 140 {
 141     wxString s(_T("Hello, world!"));
 142
 143     CPPUNIT_ASSERT( wxStrcmp( s.c_str() , _T("Hello, world!") ) == 0 );
 144     CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , _T("Hello") ) == 0 );
 145     CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , _T("world!") ) == 0 );
 146     CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 );
 147     CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , _T("lo, world!") ) == 0 );
 148     CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
 149     CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
 150
 151     wxString rest;
 152
 153     #define TEST_STARTS_WITH( prefix , correct_rest, result ) \
 154         CPPUNIT_ASSERT( \
 155             ( s.StartsWith( prefix, &rest ) == result ) && \
 156             ( ( result == false ) || ( wxStrcmp( correct_rest , rest ) == 0 ) ) \
 157         )
 158
 159     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
 160     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
 161     TEST_STARTS_WITH( _T("Hello, world!"),   _T(""),              true  );
 162     TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""),              false );
 163     TEST_STARTS_WITH( _T(""),                _T("Hello, world!"), true  );
 164     TEST_STARTS_WITH( _T("Goodbye"),         _T(""),              false );
 165     TEST_STARTS_WITH( _T("Hi"),              _T(""),              false );
 166
 167     #undef TEST_STARTS_WITH
 168 }
 169
 170 void StringTestCase::Find()
 171 {
 172     #define TEST_FIND( str , start , result )  \
 173         CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
 174
 175     TEST_FIND( _T("Well, hello world"),  0, 1              );
 176     TEST_FIND( _T("Well, hello world"),  6, 7              );
 177     TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
 178
 179     #undef TEST_FIND
 180 }
 181
 182 void StringTestCase::SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode )
 183 {
 184     wxStringTokenizer tkz( str, delims, mode);
 185     CPPUNIT_ASSERT( tkz.CountTokens() == count );
 186
 187     wxChar *buf, *s = NULL, *last;
 188
 189     if ( tkz.GetMode() == wxTOKEN_STRTOK )
 190     {
 191         buf = new wxChar[wxStrlen(str) + 1];
 192         wxStrcpy(buf, str);
 193         s = wxStrtok(buf, delims, &last);
 194     }
 195     else
 196     {
 197         buf = NULL;
 198     }
 199
 200     size_t count2 = 0;
 201     while ( tkz.HasMoreTokens() )
 202     {
 203         wxString token = tkz.GetNextToken();
 204         if ( buf )
 205         {
 206             CPPUNIT_ASSERT( token == s );
 207             s = wxStrtok(NULL, delims, &last);
 208         }
 209         count2++;
 210     }
 211
 212     CPPUNIT_ASSERT( count2 == count );
 213     if ( buf )
 214     {
 215         delete [] buf;
 216     }
 217 }
 218
 219 void StringTestCase::Tokenizer()
 220 {
 221     SingleTokenizerTest( _T(""),                                           _T(" "),              0, wxTOKEN_DEFAULT       );
 222     SingleTokenizerTest( _T("Hello, world"),                               _T(" "),              2, wxTOKEN_DEFAULT       );
 223     SingleTokenizerTest( _T("Hello,   world  "),                           _T(" "),              2, wxTOKEN_DEFAULT       );
 224     SingleTokenizerTest( _T("Hello, world"),                               _T(","),              2, wxTOKEN_DEFAULT       );
 225     SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             2, wxTOKEN_DEFAULT       );
 226     SingleTokenizerTest( _T("Hello,, world!"),                             _T(",!"),             3, wxTOKEN_DEFAULT       );
 227     SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             3, wxTOKEN_RET_EMPTY_ALL );
 228     SingleTokenizerTest( _T("username:password:uid:gid:gecos:home:shell"), _T(":"),              7, wxTOKEN_DEFAULT       );
 229     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 4, wxTOKEN_DEFAULT       );
 230     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 6, wxTOKEN_RET_EMPTY     );
 231     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 9, wxTOKEN_RET_EMPTY_ALL );
 232     SingleTokenizerTest( _T("01/02/99"),                                   _T("/-"),             3, wxTOKEN_DEFAULT       );
 233     SingleTokenizerTest( _T("01-02/99"),                                   _T("/-"),             3, wxTOKEN_RET_DELIMS    );
 234 }
 235
 236 void StringTestCase::Replace()
 237 {
 238     #define TEST_REPLACE( original , pos , len , replacement , result ) \
 239         { \
 240             wxString s = original; \
 241             s.replace( pos , len , replacement ); \
 242             CPPUNIT_ASSERT( s == result ); \
 243         }
 244
 245     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );
 246     TEST_REPLACE( _T("increase"),      0, 2, _T("de"),     _T("decrease")      );
 247     TEST_REPLACE( _T("wxWindow"),      8, 0, _T("s"),      _T("wxWindows")     );
 248     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
 249     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 250
 251     #undef TEST_REPLACE
 252 }
 253
 254 void StringTestCase::Match()
 255 {
 256     #define TEST_MATCH( s1 , s2 , result ) \
 257         CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
 258
 259     TEST_MATCH( _T("foobar"),    _T("foo*"),   true  );
 260     TEST_MATCH( _T("foobar"),    _T("*oo*"),   true  );
 261     TEST_MATCH( _T("foobar"),    _T("*bar"),   true  );
 262     TEST_MATCH( _T("foobar"),    _T("??????"), true  );
 263     TEST_MATCH( _T("foobar"),    _T("f??b*"),  true  );
 264     TEST_MATCH( _T("foobar"),    _T("f?b*"),   false );
 265     TEST_MATCH( _T("foobar"),    _T("*goo*"),  false );
 266     TEST_MATCH( _T("foobar"),    _T("*foo"),   false );
 267     TEST_MATCH( _T("foobarfoo"), _T("*foo"),   true  );
 268     TEST_MATCH( _T(""),          _T("*"),      true  );
 269     TEST_MATCH( _T(""),          _T("?"),      false );
 270
 271     #undef TEST_MATCH
 272 }
 273