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_SUITE_END();
  51
  52     void SetGetEnv();
  53     void Strcmp();
  54     void Strspn();
  55     void Strcspn();
  56
  57     DECLARE_NO_COPY_CLASS(CrtTestCase)
  58 };
  59
  60 // register in the unnamed registry so that these tests are run by default
  61 CPPUNIT_TEST_SUITE_REGISTRATION( CrtTestCase );
  62
  63 // also include in it's own registry so that these tests can be run alone
  64 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( CrtTestCase, "CrtTestCase" );
  65
  66 void CrtTestCase::SetGetEnv()
  67 {
  68     wxString val;
  69     wxSetEnv(_T("TESTVAR"), _T("value"));
  70     CPPUNIT_ASSERT( wxGetEnv(_T("TESTVAR"), &val) == true );
  71     CPPUNIT_ASSERT( val == _T("value") );
  72     wxSetEnv(_T("TESTVAR"), _T("something else"));
  73     CPPUNIT_ASSERT( wxGetEnv(_T("TESTVAR"), &val) );
  74     CPPUNIT_ASSERT( val == _T("something else") );
  75     CPPUNIT_ASSERT( wxUnsetEnv(_T("TESTVAR")) );
  76     CPPUNIT_ASSERT( wxGetEnv(_T("TESTVAR"), NULL) == false );
  77 }
  78
  79 void CrtTestCase::Strcmp()
  80 {
  81     // this code tests if all possible ways of calling wxStrcmp() compile:
  82     const char * const char1 = "first";
  83     const wchar_t * const wchar1 = L"first";
  84     wxString str1("first");
  85     wxCStrData cstr1(str1.c_str());
  86     wxCharBuffer charbuf1(char1);
  87     wxWCharBuffer wcharbuf1(wchar1);
  88
  89     const char * const char2 = "last";
  90     const wchar_t * const wchar2 = L"last";
  91     wxString str2("last");
  92     wxCStrData cstr2(str2.c_str());
  93     wxCharBuffer charbuf2(char2);
  94     wxWCharBuffer wcharbuf2(wchar2);
  95
  96     CPPUNIT_ASSERT( wxStrcmp(char1, char2) < 0 );
  97     CPPUNIT_ASSERT( wxStrcmp(char1, wchar2) < 0 );
  98     CPPUNIT_ASSERT( wxStrcmp(char1, str2) < 0 );
  99     CPPUNIT_ASSERT( wxStrcmp(char1, cstr2) < 0 );
 100     CPPUNIT_ASSERT( wxStrcmp(char1, charbuf2) < 0 );
 101     CPPUNIT_ASSERT( wxStrcmp(char1, wcharbuf2) < 0 );
 102
 103     CPPUNIT_ASSERT( wxStrcmp(wchar1, char2) < 0 );
 104     CPPUNIT_ASSERT( wxStrcmp(wchar1, wchar2) < 0 );
 105     CPPUNIT_ASSERT( wxStrcmp(wchar1, str2) < 0 );
 106     CPPUNIT_ASSERT( wxStrcmp(wchar1, cstr2) < 0 );
 107     CPPUNIT_ASSERT( wxStrcmp(wchar1, charbuf2) < 0 );
 108     CPPUNIT_ASSERT( wxStrcmp(wchar1, wcharbuf2) < 0 );
 109
 110     CPPUNIT_ASSERT( wxStrcmp(str1, char2) < 0 );
 111     CPPUNIT_ASSERT( wxStrcmp(str1, wchar2) < 0 );
 112     CPPUNIT_ASSERT( wxStrcmp(str1, str2) < 0 );
 113     CPPUNIT_ASSERT( wxStrcmp(str1, cstr2) < 0 );
 114     CPPUNIT_ASSERT( wxStrcmp(str1, charbuf2) < 0 );
 115     CPPUNIT_ASSERT( wxStrcmp(str1, wcharbuf2) < 0 );
 116
 117     CPPUNIT_ASSERT( wxStrcmp(cstr1, char2) < 0 );
 118     CPPUNIT_ASSERT( wxStrcmp(cstr1, wchar2) < 0 );
 119     CPPUNIT_ASSERT( wxStrcmp(cstr1, str2) < 0 );
 120     CPPUNIT_ASSERT( wxStrcmp(cstr1, cstr2) < 0 );
 121     CPPUNIT_ASSERT( wxStrcmp(cstr1, charbuf2) < 0 );
 122     CPPUNIT_ASSERT( wxStrcmp(cstr1, wcharbuf2) < 0 );
 123
 124     CPPUNIT_ASSERT( wxStrcmp(charbuf1, char2) < 0 );
 125     CPPUNIT_ASSERT( wxStrcmp(charbuf1, wchar2) < 0 );
 126     CPPUNIT_ASSERT( wxStrcmp(charbuf1, str2) < 0 );
 127     CPPUNIT_ASSERT( wxStrcmp(charbuf1, cstr2) < 0 );
 128     CPPUNIT_ASSERT( wxStrcmp(charbuf1, charbuf2) < 0 );
 129     CPPUNIT_ASSERT( wxStrcmp(charbuf1, wcharbuf2) < 0 );
 130
 131     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, char2) < 0 );
 132     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, wchar2) < 0 );
 133     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, str2) < 0 );
 134     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, cstr2) < 0 );
 135     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, charbuf2) < 0 );
 136     CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, wcharbuf2) < 0 );
 137 }
 138
 139 void CrtTestCase::Strspn()
 140 {
 141     CPPUNIT_ASSERT( wxStrspn(strMB, "xyz") == 0 );
 142     CPPUNIT_ASSERT( wxStrspn(strWC, "xyz") == 0 );
 143     CPPUNIT_ASSERT( wxStrspn(strWX, "xyz") == 0 );
 144     CPPUNIT_ASSERT( wxStrspn(strMB, L"xyz") == 0 );
 145     CPPUNIT_ASSERT( wxStrspn(strWC, L"xyz") == 0 );
 146     CPPUNIT_ASSERT( wxStrspn(strWX, L"xyz") == 0 );
 147
 148     CPPUNIT_ASSERT( wxStrspn(strMB, "hleo") == 5 );
 149     CPPUNIT_ASSERT( wxStrspn(strWC, "hleo") == 5 );
 150     CPPUNIT_ASSERT( wxStrspn(strWX, "hleo") == 5 );
 151
 152     CPPUNIT_ASSERT( wxStrspn(strMB, "ld") == 0 );
 153     CPPUNIT_ASSERT( wxStrspn(strWC, "ld") == 0 );
 154     CPPUNIT_ASSERT( wxStrspn(strWX, "ld") == 0 );
 155
 156     CPPUNIT_ASSERT( wxStrspn(strMB, strWC) == strWX.length() );
 157     CPPUNIT_ASSERT( wxStrspn(strWC, strWX) == strWX.length() );
 158     CPPUNIT_ASSERT( wxStrspn(strWX, strMB) == strWX.length() );
 159 }
 160
 161 void CrtTestCase::Strcspn()
 162 {
 163     CPPUNIT_ASSERT( wxStrcspn(strMB, strWX) == 0 );
 164     CPPUNIT_ASSERT( wxStrcspn(strWC, strMB) == 0 );
 165     CPPUNIT_ASSERT( wxStrcspn(strWX, strWC) == 0 );
 166
 167     CPPUNIT_ASSERT( wxStrcspn(strMB, ", ") == 5 );
 168     CPPUNIT_ASSERT( wxStrcspn(strWC, ", ") == 5 );
 169     CPPUNIT_ASSERT( wxStrcspn(strWX, ", ") == 5 );
 170
 171     CPPUNIT_ASSERT( wxStrcspn(strMB, "hel") == 0 );
 172     CPPUNIT_ASSERT( wxStrcspn(strWC, "hel") == 0 );
 173     CPPUNIT_ASSERT( wxStrcspn(strWX, "hel") == 0 );
 174
 175     CPPUNIT_ASSERT( wxStrcspn(strMB, "xy") == strWX.length() );
 176     CPPUNIT_ASSERT( wxStrcspn(strWC, "xy") == strWX.length() );
 177     CPPUNIT_ASSERT( wxStrcspn(strWX, "xy") == strWX.length() );
 178 }
 179