37 lines · cpp
1// RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -fno-wchar -verify %s2// RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -fno-wchar -verify -std=c++98 %s3// RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -fno-wchar -verify -std=c++11 %s4wchar_t x; // expected-error {{unknown type name 'wchar_t'}}5 6typedef unsigned short wchar_t;7void foo(const wchar_t* x);8 9void bar() {10 foo(L"wide string literal");11}12 13void foo1(wchar_t * t = L"");14#if __cplusplus <= 199711L15// expected-warning@-2 {{conversion from string literal to 'wchar_t *' (aka 'unsigned short *') is deprecated}}16#else17// expected-warning@-4 {{ISO C++11 does not allow conversion from string literal to 'wchar_t *' (aka 'unsigned short *')}}18#endif19 20short *a = L"";21// expected-error@-1 {{cannot initialize a variable of type 'short *' with an lvalue of type 'const unsigned short[1]'}}22char *b = L"";23// expected-error@-1 {{cannot initialize a variable of type 'char *' with an lvalue of type 'const unsigned short[1]'}}24 25// NOTE: MSVC allows deprecated conversion in conditional expression if at least26// one of the operand is a string literal but Clang doesn't allow it.27wchar_t *c = true ? L"a" : L"";28// expected-error@-1 {{cannot initialize a variable of type 'wchar_t *' (aka 'unsigned short *') with}}29 30const wchar_t *d1 = 0;31const wchar_t *d2 = 0;32wchar_t *d = true ? d1 : d2;33// expected-error@-1 {{cannot initialize a variable of type 'wchar_t *' (aka 'unsigned short *') with}}34 35wchar_t* e = (const wchar_t*)L"";36// expected-error@-1 {{cannot initialize a variable of type 'wchar_t *' (aka 'unsigned short *') with an rvalue of type 'const wchar_t *' (aka 'const unsigned short *')}}37