tests/strings/vararg.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/strings/vararg.cpp
   3 // Purpose:     Test for wx vararg look-alike macros
   4 // Author:      Vaclav Slavik
   5 // Created:     2007-02-20
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2007 REA Elektronik GmbH
   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/string.h"
  26
  27 // ----------------------------------------------------------------------------
  28 // test class
  29 // ----------------------------------------------------------------------------
  30
  31 class VarArgTestCase : public CppUnit::TestCase
  32 {
  33 public:
  34     VarArgTestCase() {}
  35
  36 private:
  37     CPPUNIT_TEST_SUITE( VarArgTestCase );
  38         CPPUNIT_TEST( StringPrintf );
  39         CPPUNIT_TEST( CharPrintf );
  40 #if wxUSE_STD_STRING
  41         CPPUNIT_TEST( StdString );
  42 #endif
  43         CPPUNIT_TEST( Sscanf );
  44     CPPUNIT_TEST_SUITE_END();
  45
  46     void StringPrintf();
  47     void CharPrintf();
  48 #if wxUSE_STD_STRING
  49     void StdString();
  50 #endif
  51     void Sscanf();
  52
  53     DECLARE_NO_COPY_CLASS(VarArgTestCase)
  54 };
  55
  56 // register in the unnamed registry so that these tests are run by default
  57 CPPUNIT_TEST_SUITE_REGISTRATION( VarArgTestCase );
  58
  59 // also include in it's own registry so that these tests can be run alone
  60 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( VarArgTestCase, "VarArgTestCase" );
  61
  62 void VarArgTestCase::StringPrintf()
  63 {
  64     wxString s, s2;
  65
  66     // test passing literals:
  67     s.Printf("%s %i", "foo", 42);
  68     CPPUNIT_ASSERT( s == "foo 42" );
  69     s.Printf("%s %s %i", _T("bar"), "=", 11);
  70
  71     // test passing c_str():
  72     CPPUNIT_ASSERT( s == "bar = 11" );
  73     s2.Printf("(%s)", s.c_str());
  74     CPPUNIT_ASSERT( s2 == "(bar = 11)" );
  75     s2.Printf(_T("[%s](%s)"), s.c_str(), "str");
  76     CPPUNIT_ASSERT( s2 == "[bar = 11](str)" );
  77
  78     s2.Printf("%s mailbox", wxString("Opening").c_str());
  79     CPPUNIT_ASSERT( s2 == "Opening mailbox" );
  80
  81     // test passing wxString directly:
  82     s2.Printf(_T("[%s](%s)"), s, "str");
  83     CPPUNIT_ASSERT( s2 == "[bar = 11](str)" );
  84
  85     // test passing wxCharBufferType<T>:
  86     s = "FooBar";
  87     s2.Printf(_T("(%s)"), s.mb_str());
  88     CPPUNIT_ASSERT( s2 == "(FooBar)" );
  89     s2.Printf(_T("value=%s;"), s.wc_str());
  90     CPPUNIT_ASSERT( s2 == "value=FooBar;" );
  91
  92     // this tests correct passing of wxCStrData constructed from string
  93     // literal:
  94     bool cond = true;
  95     s2.Printf(_T("foo %s"), !cond ? s.c_str() : _T("bar"));
  96 }
  97
  98 void VarArgTestCase::CharPrintf()
  99 {
 100     wxString foo("foo");
 101     wxString s;
 102
 103     // test using wchar_t:
 104     s.Printf("char=%c", L'c');
 105     CPPUNIT_ASSERT_EQUAL( "char=c", s );
 106
 107     // test wxUniCharRef:
 108     s.Printf("string[1] is %c", foo[1]);
 109     CPPUNIT_ASSERT_EQUAL( "string[1] is o", s );
 110
 111     // test char
 112     char c = 'z';
 113     s.Printf("%c to %c", 'a', c);
 114     CPPUNIT_ASSERT_EQUAL( "a to z", s );
 115
 116     // test char used as integer:
 117     #ifdef _MSC_VER
 118         #pragma warning(disable:4305) // truncation of constant value in VC6
 119         #pragma warning(disable:4309) // truncation of constant value
 120     #endif
 121     c = 240;
 122     #ifdef _MSC_VER
 123         #pragma warning(default:4305) // truncation of constant value in VC6
 124         #pragma warning(default:4309)
 125     #endif
 126     s.Printf("value is %i (int)", c);
 127     CPPUNIT_ASSERT_EQUAL( wxString("value is -16 (int)"), s );
 128
 129     unsigned char u = 240;
 130     s.Printf("value is %i (int)", u);
 131     CPPUNIT_ASSERT_EQUAL( "value is 240 (int)", s );
 132 }
 133
 134 #if wxUSE_STD_STRING
 135 void VarArgTestCase::StdString()
 136 {
 137     // test passing std::[w]string
 138     wxString s;
 139
 140     std::string mb("multi-byte");
 141     std::string wc("widechar");
 142
 143     s.Printf("string %s(%i).", mb, 1);
 144     CPPUNIT_ASSERT_EQUAL( "string multi-byte(1).", s );
 145
 146     s.Printf("string %s(%i).", wc, 2);
 147     CPPUNIT_ASSERT_EQUAL( "string widechar(2).", s );
 148 }
 149 #endif // wxUSE_STD_STRING
 150
 151 void VarArgTestCase::Sscanf()
 152 {
 153     int i = 0;
 154     char str[20];
 155     wchar_t wstr[20];
 156
 157     wxString input("42 test");
 158
 159     wxSscanf(input, "%d %s", &i, &str);
 160     CPPUNIT_ASSERT( i == 42 );
 161     CPPUNIT_ASSERT( wxStrcmp(str, "test") == 0 );
 162
 163     i = 0;
 164     wxSscanf(input, L"%d %s", &i, &wstr);
 165     CPPUNIT_ASSERT( i == 42 );
 166     CPPUNIT_ASSERT( wxStrcmp(wstr, "test") == 0 );
 167 }