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( CaseChanges );
  49     CPPUNIT_TEST_SUITE_END();
  50
  51     void String();
  52     void PChar();
  53     void Format();
  54     void Constructors();
  55     void Extraction();
  56     void Find();
  57     void SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode );
  58     void Tokenizer();
  59     void Replace();
  60     void Match();
  61     void CaseChanges();
  62
  63     DECLARE_NO_COPY_CLASS(StringTestCase)
  64 };
  65
  66 // register in the unnamed registry so that these tests are run by default
  67 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
  68
  69 // also include in it's own registry so that these tests can be run alone
  70 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
  71
  72 StringTestCase::StringTestCase()
  73 {
  74 }
  75
  76 void StringTestCase::String()
  77 {
  78     wxString a, b, c;
  79
  80     a.reserve (128);
  81     b.reserve (128);
  82     c.reserve (128);
  83
  84     for (int i = 0; i < 2; ++i)
  85     {
  86         a = _T("Hello");
  87         b = _T(" world");
  88         c = _T("! How'ya doin'?");
  89         a += b;
  90         a += c;
  91         c = _T("Hello world! What's up?");
  92         CPPUNIT_ASSERT( c != a );
  93     }
  94 }
  95
  96 void StringTestCase::PChar()
  97 {
  98     wxChar a [128];
  99     wxChar b [128];
 100     wxChar c [128];
 101
 102     for (int i = 0; i < 2; ++i)
 103     {
 104         wxStrcpy (a, _T("Hello"));
 105         wxStrcpy (b, _T(" world"));
 106         wxStrcpy (c, _T("! How'ya doin'?"));
 107         wxStrcat (a, b);
 108         wxStrcat (a, c);
 109         wxStrcpy (c, _T("Hello world! What's up?"));
 110         CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
 111     }
 112 }
 113
 114 void StringTestCase::Format()
 115 {
 116     wxString s1,s2;
 117     s1.Printf(_T("%03d"), 18);
 118     CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
 119     s2.Printf(_T("Number 18: %s\n"), s1.c_str());
 120     CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
 121 }
 122
 123 void StringTestCase::Constructors()
 124 {
 125     #define TEST_CTOR(args, res)                                               \
 126         {                                                                      \
 127             wxString s args ;                                                  \
 128             CPPUNIT_ASSERT( s == res );                                        \
 129         }
 130
 131     TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
 132     TEST_CTOR((_T("Hello"), 4), _T("Hell"));
 133     TEST_CTOR((_T("Hello"), 5), _T("Hello"));
 134
 135     static const wxChar *s = _T("?really!");
 136     const wxChar *start = wxStrchr(s, _T('r'));
 137     const wxChar *end = wxStrchr(s, _T('!'));
 138     TEST_CTOR((start, end), _T("really"));
 139 }
 140
 141 void StringTestCase::Extraction()
 142 {
 143     wxString s(_T("Hello, world!"));
 144
 145     CPPUNIT_ASSERT( wxStrcmp( s.c_str() , _T("Hello, world!") ) == 0 );
 146     CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , _T("Hello") ) == 0 );
 147     CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , _T("world!") ) == 0 );
 148     CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 );
 149     CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , _T("lo, world!") ) == 0 );
 150     CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
 151     CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
 152
 153     wxString rest;
 154
 155     #define TEST_STARTS_WITH( prefix , correct_rest, result ) \
 156         CPPUNIT_ASSERT( \
 157             ( s.StartsWith( prefix, &rest ) == result ) && \
 158             ( ( result == false ) || ( wxStrcmp( correct_rest , rest ) == 0 ) ) \
 159         )
 160
 161     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
 162     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
 163     TEST_STARTS_WITH( _T("Hello, world!"),   _T(""),              true  );
 164     TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""),              false );
 165     TEST_STARTS_WITH( _T(""),                _T("Hello, world!"), true  );
 166     TEST_STARTS_WITH( _T("Goodbye"),         _T(""),              false );
 167     TEST_STARTS_WITH( _T("Hi"),              _T(""),              false );
 168
 169     #undef TEST_STARTS_WITH
 170 }
 171
 172 void StringTestCase::Find()
 173 {
 174     #define TEST_FIND( str , start , result )  \
 175         CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
 176
 177     TEST_FIND( _T("Well, hello world"),  0, 1              );
 178     TEST_FIND( _T("Well, hello world"),  6, 7              );
 179     TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
 180
 181     #undef TEST_FIND
 182 }
 183
 184 void StringTestCase::SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode )
 185 {
 186     wxStringTokenizer tkz( str, delims, mode);
 187     CPPUNIT_ASSERT( tkz.CountTokens() == count );
 188
 189     wxChar *buf, *s = NULL, *last;
 190
 191     if ( tkz.GetMode() == wxTOKEN_STRTOK )
 192     {
 193         buf = new wxChar[wxStrlen(str) + 1];
 194         wxStrcpy(buf, str);
 195         s = wxStrtok(buf, delims, &last);
 196     }
 197     else
 198     {
 199         buf = NULL;
 200     }
 201
 202     size_t count2 = 0;
 203     while ( tkz.HasMoreTokens() )
 204     {
 205         wxString token = tkz.GetNextToken();
 206         if ( buf )
 207         {
 208             CPPUNIT_ASSERT( token == s );
 209             s = wxStrtok(NULL, delims, &last);
 210         }
 211         count2++;
 212     }
 213
 214     CPPUNIT_ASSERT( count2 == count );
 215     if ( buf )
 216     {
 217         delete [] buf;
 218     }
 219 }
 220
 221 void StringTestCase::Tokenizer()
 222 {
 223     SingleTokenizerTest( _T(""),                                           _T(" "),              0, 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(","),              2, wxTOKEN_DEFAULT       );
 227     SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             2, wxTOKEN_DEFAULT       );
 228     SingleTokenizerTest( _T("Hello,, world!"),                             _T(",!"),             3, wxTOKEN_DEFAULT       );
 229     SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             3, wxTOKEN_RET_EMPTY_ALL );
 230     SingleTokenizerTest( _T("username:password:uid:gid:gecos:home:shell"), _T(":"),              7, wxTOKEN_DEFAULT       );
 231     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 4, wxTOKEN_DEFAULT       );
 232     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 6, wxTOKEN_RET_EMPTY     );
 233     SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 9, wxTOKEN_RET_EMPTY_ALL );
 234     SingleTokenizerTest( _T("01/02/99"),                                   _T("/-"),             3, wxTOKEN_DEFAULT       );
 235     SingleTokenizerTest( _T("01-02/99"),                                   _T("/-"),             3, wxTOKEN_RET_DELIMS    );
 236 }
 237
 238 void StringTestCase::Replace()
 239 {
 240     #define TEST_REPLACE( original , pos , len , replacement , result ) \
 241         { \
 242             wxString s = original; \
 243             s.replace( pos , len , replacement ); \
 244             CPPUNIT_ASSERT( s == result ); \
 245         }
 246
 247     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );
 248     TEST_REPLACE( _T("increase"),      0, 2, _T("de"),     _T("decrease")      );
 249     TEST_REPLACE( _T("wxWindow"),      8, 0, _T("s"),      _T("wxWindows")     );
 250     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
 251     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 252
 253     #undef TEST_REPLACE
 254 }
 255
 256 void StringTestCase::Match()
 257 {
 258     #define TEST_MATCH( s1 , s2 , result ) \
 259         CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
 260
 261     TEST_MATCH( _T("foobar"),    _T("foo*"),   true  );
 262     TEST_MATCH( _T("foobar"),    _T("*oo*"),   true  );
 263     TEST_MATCH( _T("foobar"),    _T("*bar"),   true  );
 264     TEST_MATCH( _T("foobar"),    _T("??????"), true  );
 265     TEST_MATCH( _T("foobar"),    _T("f??b*"),  true  );
 266     TEST_MATCH( _T("foobar"),    _T("f?b*"),   false );
 267     TEST_MATCH( _T("foobar"),    _T("*goo*"),  false );
 268     TEST_MATCH( _T("foobar"),    _T("*foo"),   false );
 269     TEST_MATCH( _T("foobarfoo"), _T("*foo"),   true  );
 270     TEST_MATCH( _T(""),          _T("*"),      true  );
 271     TEST_MATCH( _T(""),          _T("?"),      false );
 272
 273     #undef TEST_MATCH
 274 }
 275
 276
 277 void StringTestCase::CaseChanges()
 278 {
 279     wxString s1(_T("Hello!"));
 280     wxString s1u(s1);
 281     wxString s1l(s1);
 282     s1u.MakeUpper();
 283     s1l.MakeLower();
 284     wxString s2u, s2l;
 285     s2u.MakeUpper();
 286     s2l.MakeLower();
 287
 288     CPPUNIT_ASSERT( s1u == _T("HELLO!") );
 289     CPPUNIT_ASSERT( s1l == _T("hello!") );
 290     CPPUNIT_ASSERT( s2u == wxEmptyString );
 291     CPPUNIT_ASSERT( s2l == wxEmptyString );
 292 }