tests/strings/crt.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/strings/crt.cpp
   3 // Purpose:     Test for wx C runtime functions wrappers
   4 // Author:      Vaclav Slavik
   5 // Created:     2004-06-03
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2004 Vaclav Slavik
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ----------------------------------------------------------------------------
  12 // headers
  13 // ----------------------------------------------------------------------------
  14
  15 #include "testprec.h"
  16
  17 #ifdef __BORLANDC__
  18     #pragma hdrstop
  19 #endif
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/wx.h"
  23 #endif // WX_PRECOMP
  24
  25 #include "wx/textfile.h"
  26
  27 // ----------------------------------------------------------------------------
  28 // constants
  29 // ----------------------------------------------------------------------------
  30
  31 static const char *strMB = "hello, world";
  32 static const wchar_t *strWC = L"hello, world";
  33 static const wxString strWX("hello, world");
  34
  35 // ----------------------------------------------------------------------------
  36 // test class
  37 // ----------------------------------------------------------------------------
  38
  39 class CrtTestCase : public CppUnit::TestCase
  40 {
  41 public:
  42     CrtTestCase() {}
  43
  44 private:
  45     CPPUNIT_TEST_SUITE( CrtTestCase );
  46         CPPUNIT_TEST( SetGetEnv );
  47         CPPUNIT_TEST( Strcmp );
  48         CPPUNIT_TEST( Strspn );
  49         CPPUNIT_TEST( Strcspn );
  50         CPPUNIT_TEST( Strpbrk );
  51         CPPUNIT_TEST( Strnlen );
  52     CPPUNIT_TEST_SUITE_END();
  53
  54     void SetGetEnv();
  55     void Strcmp();
  56     void Strspn();
  57     void Strcspn();
  58     void Strpbrk();
  59     void Strnlen();
  60
  61     DECLARE_NO_COPY_CLASS(CrtTestCase)
  62 };
  63
  64 // register in the unnamed registry so that these tests are run by default
  65 CPPUNIT_TEST_SUITE_REGISTRATION( CrtTestCase );
  66
  67 // also include in it's own registry so that these tests can be run alone
  68 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( CrtTestCase, "CrtTestCase" );
  69
  70 void CrtTestCase::SetGetEnv()
  71 {
  72 #define TESTVAR_NAME wxT("WXTESTVAR")
  73
  74     wxString val;
  75     wxSetEnv(TESTVAR_NAME, wxT("value"));
  76     CPPUNIT_ASSERT( wxGetEnv(TESTVAR_NAME, &val) );
  77     CPPUNIT_ASSERT_EQUAL( "value", val );
  78     CPPUNIT_ASSERT_EQUAL( "value", wxString(wxGetenv(TESTVAR_NAME)) );
  79
  80     wxSetEnv(TESTVAR_NAME, wxT("something else"));
  81     CPPUNIT_ASSERT( wxGetEnv(TESTVAR_NAME, &val) );
  82     CPPUNIT_ASSERT_EQUAL( "something else", val );
  83     CPPUNIT_ASSERT_EQUAL( "something else", wxString(wxGetenv(TESTVAR_NAME)) );
  84
  85     CPPUNIT_ASSERT( wxUnsetEnv(TESTVAR_NAME) );
  86     CPPUNIT_ASSERT( !wxGetEnv(TESTVAR_NAME, NULL) );
  87     CPPUNIT_ASSERT( !wxGetenv(TESTVAR_NAME) );
  88
  89 #undef TESTVAR_NAME
  90 }
  91
  92 void CrtTestCase::Strcmp()
  93 {
  94     // this code tests if all possible ways of calling wxStrcmp() compile:
  95     const char * const char1 = "first";
  96     const wchar_t * const wchar1 = L"first";
  97     wxString str1("first");
  98     wxCStrData cstr1(str1.c_str());
  99     wxCharBuffer charbuf1(char1);
 100     wxWCharBuffer wcharbuf1(wchar1);
 101
 102     const char * const char2 = "last";
 103     const wchar_t * const wchar2 = L"last";
 104     wxString str2("last");
 105     wxCStrData cstr2(str2.c_str());
 106     wxCharBuffer charbuf2(char2);
 107     wxWCharBuffer wcharbuf2(wchar2);
 108
 109     CPPUNIT_ASSERT( wxStrcmp(char1, char2) < 0 );
 110     CPPUNIT_ASSERT( wxStrcmp(char1, wchar2) < 0 );
 111     CPPUNIT_ASSERT( wxStrcmp(char1, str2) < 0 );
 112     CPPUNIT_ASSERT( wxStrcmp(char1, cstr2) < 0 );
 113     CPPUNIT_ASSERT( wxStrcmp(char1, charbuf2) < 0 );
 114     CPPUNIT_ASSERT( wxStrcmp(char1, wcharbuf2) < 0 );
 115
 116     CPPUNIT_ASSERT( wxStrcmp(wchar1, char2) < 0 );
 117     CPPUNIT_ASSERT( wxStrcmp(wchar1, wchar2) < 0 );
 118     CPPUNIT_ASSERT( wxStrcmp(wchar1, str2) < 0 );
 119     CPPUNIT_ASSERT( wxStrcmp(wchar1, cstr2) < 0 );
 120     CPPUNIT_ASSERT( wxStrcmp(wchar1, charbuf2) < 0 );
 121     CPPUNIT_ASSERT( wxStrcmp(wchar1, wcharbuf2) < 0 );
 122
 123     CPPUNIT_ASSERT( wxStrcmp(str1, char2) < 0 );
 124     CPPUNIT_ASSERT( wxStrcmp(str1, wchar2) < 0 );
 125     CPPUNIT_ASSERT( wxStrcmp(str1, str2) < 0 );
 126     CPPUNIT_ASSERT( wxStrcmp(str1, cstr2) < 0 );
 127     CPPUNIT_ASSERT( wxStrcmp(str1, charbuf2) < 0 );
 128     CPPUNIT_ASSERT( wxStrcmp(str1, wcharbuf2) < 0 );
 129
 130     CPPUNIT_ASSERT( wxStrcmp(cstr1, char2) < 0 );
 131     CPPUNIT_ASSERT( wxStrcmp(cstr1, wchar2) < 0 );
 132     CPPUNIT_ASSERT( wxStrcmp(cstr1, str2) < 0 );
 133     CPPUNIT_ASSERT( wxStrcmp(cstr1, cstr2) < 0 );
 134     CPPUNIT_ASSERT( wxStrcmp(cstr1, charbuf2) < 0 );
 135     CPPUNIT_ASSERT( wxStrcmp(cstr1, wcharbuf2) < 0 );
 136
 137     CPPUNIT_ASSERT( wxStrcmp(charbuf1, char2) < 0 );
 138     CPPUNIT_ASSERT( wxStrcmp(charbuf1, wchar2) < 0 );
 139     CPPUNIT_ASSERT( wxStrcmp(charbuf1, str2) < 0 );
 140     CPPUNIT_ASSERT( wxStrcmp(charbuf1, cstr2) < 0 );
 141     CPPUNIT_ASSERT( wxStrcmp(charbuf1, charbuf2) < 0 );
 142     CPPUNIT_ASSERT( wxStrcmp(charbuf1, wcharbuf2) < 0 );
 143
 144     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, char2) < 0 );
 145     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, wchar2) < 0 );
 146     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, str2) < 0 );
 147     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, cstr2) < 0 );
 148     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, charbuf2) < 0 );
 149     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, wcharbuf2) < 0 );
 150 }
 151
 152 void CrtTestCase::Strspn()
 153 {
 154     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, "xyz") );
 155     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, "xyz") );
 156     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, "xyz") );
 157     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, L"xyz") );
 158     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, L"xyz") );
 159     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, L"xyz") );
 160
 161     CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strMB, "hleo") );
 162     CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strWC, "hleo") );
 163     CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strWX, "hleo") );
 164
 165     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, "ld") );
 166     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, "ld") );
 167     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, "ld") );
 168
 169     CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strMB, strWC) );
 170     CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strWC, strWX) );
 171     CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strWX, strMB) );
 172 }
 173
 174 void CrtTestCase::Strcspn()
 175 {
 176     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strMB, strWX) );
 177     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWC, strMB) );
 178     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWX, strWC) );
 179
 180     CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strMB, ", ") );
 181     CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strWC, ", ") );
 182     CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strWX, ", ") );
 183
 184     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strMB, "hel") );
 185     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWC, "hel") );
 186     CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWX, "hel") );
 187
 188     CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strMB, "xy") );
 189     CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strWC, "xy") );
 190     CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strWX, "xy") );
 191 }
 192
 193 void CrtTestCase::Strpbrk()
 194 {
 195     const wxString s(", ");
 196
 197     CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strMB,  ", ") );
 198     CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, L", ") );
 199     CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX,  ", ") );
 200     CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX, L", ") );
 201
 202     CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strMB, s) );
 203     CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s) );
 204     CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX, s) );
 205     CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX.c_str(), s) );
 206
 207     CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strMB, s.c_str()) );
 208     CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s.c_str()) );
 209     CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX, s.c_str()) );
 210     CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX.c_str(), s.c_str()) );
 211
 212     CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strMB, s.mb_str()) );
 213     CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s.wc_str()) );
 214     CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX, s.mb_str()) );
 215     CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX, s.wc_str()) );
 216     CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX.c_str(), s.mb_str()) );
 217     CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX.c_str(), s.wc_str()) );
 218
 219     CPPUNIT_ASSERT( !wxStrpbrk(strWX, "xyz") );
 220     CPPUNIT_ASSERT( !wxStrpbrk(strWX.c_str(), L"xyz") );
 221 }
 222
 223 void CrtTestCase::Strnlen()
 224 {
 225     // other misc tests for wxStrnlen(const char*, size_t)
 226
 227     CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen("", 0) );
 228     CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen("", 8) );
 229     CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen("1234", 0) );
 230     CPPUNIT_ASSERT_EQUAL(  (size_t)2, wxStrnlen("1234", 2) );
 231     CPPUNIT_ASSERT_EQUAL(  (size_t)4, wxStrnlen("1234", 8) );
 232     CPPUNIT_ASSERT_EQUAL(  (size_t)7, wxStrnlen("1234567", 8) );
 233     CPPUNIT_ASSERT_EQUAL(  (size_t)8, wxStrnlen("12345678", 8) );
 234     CPPUNIT_ASSERT_EQUAL(  (size_t)8, wxStrnlen("123456789", 8) );
 235     CPPUNIT_ASSERT_EQUAL(  (size_t)9, wxStrnlen("123456789", 12) );
 236
 237     // other misc tests for wxStrnlen(const wchar_t*, size_t)
 238
 239     CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen(L"", 0) );
 240     CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen(L"", 8) );
 241     CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen(L"1234", 0) );
 242     CPPUNIT_ASSERT_EQUAL(  (size_t)2, wxStrnlen(L"1234", 2) );
 243     CPPUNIT_ASSERT_EQUAL(  (size_t)4, wxStrnlen(L"1234", 8) );
 244     CPPUNIT_ASSERT_EQUAL(  (size_t)7, wxStrnlen(L"1234567", 8) );
 245     CPPUNIT_ASSERT_EQUAL(  (size_t)8, wxStrnlen(L"12345678", 8) );
 246     CPPUNIT_ASSERT_EQUAL(  (size_t)8, wxStrnlen(L"123456789", 8) );
 247     CPPUNIT_ASSERT_EQUAL(  (size_t)9, wxStrnlen(L"123456789", 12) );
 248
 249     // wxStrlen() is only for NULL-terminated strings:
 250     CPPUNIT_ASSERT_EQUAL(  (size_t)4, wxStrnlen("1234" "\0" "78", 12) );
 251     CPPUNIT_ASSERT_EQUAL(  (size_t)4, wxStrnlen(L"1234" L"\0" L"5678", 12) );
 252 }
 253
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 255