Add tests for printf arguments validation code.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64713 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2010-06-24 10:34:36 +00:00
parent bb2ce9356e
commit ad6e5c47de

View File

@@ -42,6 +42,7 @@ private:
#endif
CPPUNIT_TEST( Sscanf );
CPPUNIT_TEST( RepeatedPrintf );
CPPUNIT_TEST( ArgsValidation );
CPPUNIT_TEST_SUITE_END();
void StringPrintf();
@@ -51,6 +52,7 @@ private:
#endif
void Sscanf();
void RepeatedPrintf();
void ArgsValidation();
DECLARE_NO_COPY_CLASS(VarArgTestCase)
};
@@ -183,3 +185,34 @@ void VarArgTestCase::RepeatedPrintf()
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);
wxString::Format("foo%i%n", 42, &written);
CPPUNIT_ASSERT_EQUAL( 5, written );
// 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) );
WX_ASSERT_FAILS_WITH_ASSERT( wxString::Format("%d", ptr) );
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) );
#if !defined(HAVE_TYPE_TRAITS) && !defined(HAVE_TR1_TYPE_TRAITS)
// this fails at compile-time with <type_traits>
VarArgTestCase& somePOD = *this;
WX_ASSERT_FAILS_WITH_ASSERT( wxString::Format("%s", somePOD) );
#endif
}