llvm-for-llvmta/tools/clang/test/SemaCXX/wchar_t.cpp

42 lines
1004 B
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
// RUN: %clang_cc1 -fsyntax-only -Wno-signed-unsigned-wchar -verify=allow-signed -DSKIP_ERROR_TESTS %s
// allow-signed-no-diagnostics
wchar_t x;
void f(wchar_t p) {
wchar_t x;
unsigned wchar_t y; // expected-error {{'wchar_t' cannot be signed or unsigned}}
signed wchar_t z; // expected-error {{'wchar_t' cannot be signed or unsigned}}
++x;
}
// PR4502
wchar_t const c = L'c';
int a[c == L'c' ? 1 : -1];
// PR5917
template<typename _CharT>
struct basic_string {
};
template<typename _CharT>
basic_string<_CharT> operator+ (const basic_string<_CharT>&, _CharT);
int t(void) {
basic_string<wchar_t>() + L'-';
return (0);
}
// rdar://8040728
wchar_t in[] = L"\x434" "\x434"; // No warning
#ifndef SKIP_ERROR_TESTS
// Verify that we do not crash when assigning wchar_t* to another pointer type.
void assignment(wchar_t *x) {
char *y;
y = x; // expected-error {{incompatible pointer types assigning to 'char *' from 'wchar_t *'}}
}
#endif