private:
CPPUNIT_TEST_SUITE( VarArgTestCase );
CPPUNIT_TEST( StringPrintf );
+ CPPUNIT_TEST( CharPrintf );
#if wxUSE_STD_STRING
CPPUNIT_TEST( StdString );
#endif
+ CPPUNIT_TEST( Sscanf );
+ CPPUNIT_TEST( RepeatedPrintf );
+ CPPUNIT_TEST( ArgsValidation );
CPPUNIT_TEST_SUITE_END();
void StringPrintf();
+ void CharPrintf();
#if wxUSE_STD_STRING
void StdString();
#endif
+ void Sscanf();
+ void RepeatedPrintf();
+ void ArgsValidation();
DECLARE_NO_COPY_CLASS(VarArgTestCase)
};
// test passing literals:
s.Printf("%s %i", "foo", 42);
CPPUNIT_ASSERT( s == "foo 42" );
- s.Printf("%s %s %i", _T("bar"), "=", 11);
+ s.Printf("%s %s %i", wxT("bar"), "=", 11);
// test passing c_str():
CPPUNIT_ASSERT( s == "bar = 11" );
s2.Printf("(%s)", s.c_str());
CPPUNIT_ASSERT( s2 == "(bar = 11)" );
- s2.Printf(_T("[%s](%s)"), s.c_str(), "str");
+ s2.Printf(wxT("[%s](%s)"), s.c_str(), "str");
CPPUNIT_ASSERT( s2 == "[bar = 11](str)" );
+ s2.Printf("%s mailbox", wxString("Opening").c_str());
+ CPPUNIT_ASSERT( s2 == "Opening mailbox" );
+
// test passing wxString directly:
- s2.Printf(_T("[%s](%s)"), s, "str");
+ s2.Printf(wxT("[%s](%s)"), s, "str");
CPPUNIT_ASSERT( s2 == "[bar = 11](str)" );
// test passing wxCharBufferType<T>:
s = "FooBar";
- s2.Printf(_T("(%s)"), s.mb_str());
+ s2.Printf(wxT("(%s)"), s.mb_str());
CPPUNIT_ASSERT( s2 == "(FooBar)" );
- s2.Printf(_T("value=%s;"), s.wc_str());
+ s2.Printf(wxT("value=%s;"), s.wc_str());
CPPUNIT_ASSERT( s2 == "value=FooBar;" );
// this tests correct passing of wxCStrData constructed from string
// literal:
bool cond = true;
- s2.Printf(_T("foo %s"), !cond ? s.c_str() : _T("bar"));
+ s2.Printf(wxT("foo %s"), !cond ? s.c_str() : wxT("bar"));
+}
+
+void VarArgTestCase::CharPrintf()
+{
+ wxString foo("foo");
+ wxString s;
+ // test using wchar_t:
+ s.Printf("char=%c", L'c');
+ CPPUNIT_ASSERT_EQUAL( "char=c", s );
+
+ // test wxUniCharRef:
+ s.Printf("string[1] is %c", foo[1]);
+ CPPUNIT_ASSERT_EQUAL( "string[1] is o", s );
+
+ // test char
+ char c = 'z';
+ s.Printf("%c to %c", 'a', c);
+ CPPUNIT_ASSERT_EQUAL( "a to z", s );
+
+ // test char used as integer:
+ #ifdef _MSC_VER
+ #pragma warning(disable:4305) // truncation of constant value in VC6
+ #pragma warning(disable:4309) // truncation of constant value
+ #endif
+ c = 240;
+ #ifdef _MSC_VER
+ #pragma warning(default:4305) // truncation of constant value in VC6
+ #pragma warning(default:4309)
+ #endif
+ s.Printf("value is %i (int)", c);
+ CPPUNIT_ASSERT_EQUAL( wxString("value is -16 (int)"), s );
+
+ unsigned char u = 240;
+ s.Printf("value is %i (int)", u);
+ CPPUNIT_ASSERT_EQUAL( "value is 240 (int)", s );
}
#if wxUSE_STD_STRING
std::string wc("widechar");
s.Printf("string %s(%i).", mb, 1);
- CPPUNIT_ASSERT( s == "string multi-byte(1)." );
+ CPPUNIT_ASSERT_EQUAL( "string multi-byte(1).", s );
s.Printf("string %s(%i).", wc, 2);
- CPPUNIT_ASSERT( s == "string widechar(2)." );
+ CPPUNIT_ASSERT_EQUAL( "string widechar(2).", s );
}
#endif // wxUSE_STD_STRING
+
+void VarArgTestCase::Sscanf()
+{
+ int i = 0;
+ char str[20];
+ wchar_t wstr[20];
+
+ wxString input("42 test");
+
+ wxSscanf(input, "%d %s", &i, &str);
+ CPPUNIT_ASSERT( i == 42 );
+ CPPUNIT_ASSERT( wxStrcmp(str, "test") == 0 );
+
+ i = 0;
+ wxSscanf(input, L"%d %s", &i, &wstr);
+ CPPUNIT_ASSERT( i == 42 );
+ CPPUNIT_ASSERT( wxStrcmp(wstr, "test") == 0 );
+}
+
+void VarArgTestCase::RepeatedPrintf()
+{
+ wxCharBuffer buffer(2);
+ char *p = buffer.data();
+ *p = 'h';
+ p++;
+ *p = 'i';
+
+ wxString s;
+ s = wxString::Format("buffer %s, len %d", buffer, (int)wxStrlen(buffer));
+ CPPUNIT_ASSERT_EQUAL("buffer hi, len 2", s);
+
+ s = wxString::Format("buffer %s, len %d", buffer, (int)wxStrlen(buffer));
+ CPPUNIT_ASSERT_EQUAL("buffer hi, len 2", s);
+}
+
+void VarArgTestCase::ArgsValidation()
+{
+ void *ptr = this;
+ int written;
+ short int swritten;
+
+ // these are valid:
+ wxString::Format("a string(%s,%s), ptr %p, int %i",
+ wxString(), "foo", "char* as pointer", 1);
+
+ // Microsoft has helpfully disabled support for "%n" in their CRT by
+ // default starting from VC8 and somehow even calling
+ // _set_printf_count_output() doesn't help here, so don't use "%n" at all
+ // with it.
+#if wxCHECK_VISUALC_VERSION(8)
+ #define wxNO_PRINTF_PERCENT_N
+#endif // VC8+
+
+ // Similarly, many modern Linux distributions ship with g++ that uses
+ // -D_FORTIFY_SOURCE=2 flag by default and this option prevents "%n" from
+ // being used in a string outside of read-only memory, meaning that it
+ // can't be used in wxString to which we (may, depending on build options)
+ // assign it, so also disable testing of "%n" in this case lest we die with
+ // an abort inside vswprintf().
+#if defined(_FORTIFY_SOURCE)
+ #if _FORTIFY_SOURCE >= 2
+ #define wxNO_PRINTF_PERCENT_N
+ #endif
+#endif
+
+#ifndef wxNO_PRINTF_PERCENT_N
+ wxString::Format("foo%i%n", 42, &written);
+ CPPUNIT_ASSERT_EQUAL( 5, written );
+#endif
+
+ // but these are not:
+ WX_ASSERT_FAILS_WITH_ASSERT( wxString::Format("%i: too many arguments", 42, 1, 2, 3) );
+ WX_ASSERT_FAILS_WITH_ASSERT( wxString::Format("%i", "foo") );
+ WX_ASSERT_FAILS_WITH_ASSERT( wxString::Format("%s", (void*)this) );
+
+ // for some reason assert is not generated with VC6, don't know what's
+ // going there so disable it for now to make the test suite pass when using
+ // this compiler until someone has time to debug this (FIXME-VC6)
+#ifndef __VISUALC6__
+ WX_ASSERT_FAILS_WITH_ASSERT( wxString::Format("%d", ptr) );
+#endif
+
+ // we don't check wxNO_PRINTF_PERCENT_N here as these expressions should
+ // result in an assert in our code before the CRT functions are even called
+ WX_ASSERT_FAILS_WITH_ASSERT( wxString::Format("foo%i%n", &written) );
+ WX_ASSERT_FAILS_WITH_ASSERT( wxString::Format("foo%n", ptr) );
+ WX_ASSERT_FAILS_WITH_ASSERT( wxString::Format("foo%i%n", 42, &swritten) );
+
+ // the following test (correctly) fails at compile-time with <type_traits>
+ // and it also (wrongly) fails when using VC6 because it somehow tries to
+ // use (inaccessible) VarArgTestCase copy ctor (FIXME-VC6)
+#if !defined(HAVE_TYPE_TRAITS) && !defined(HAVE_TR1_TYPE_TRAITS) && \
+ !defined(__VISUALC6__)
+ VarArgTestCase& somePOD = *this;
+ WX_ASSERT_FAILS_WITH_ASSERT( wxString::Format("%s", somePOD) );
+#endif
+
+ // %c should accept integers too
+ wxString::Format("%c", 80);
+ wxString::Format("%c", wxChar(80) + wxChar(1));
+
+ // check size_t handling
+ size_t len = sizeof(*this);
+#ifdef __WXMSW__
+ wxString::Format("%Iu", len);
+#else
+ wxString::Format("%zu", len);
+#endif
+}
projects / wxWidgets.git / blobdiff