1 | // RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -fno-wchar -verify %s |
2 | // RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -fno-wchar -verify -std=c++98 %s |
3 | // RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -fno-wchar -verify -std=c++11 %s |
4 | wchar_t x; // expected-error {{unknown type name 'wchar_t'}} |
5 | |
6 | typedef unsigned short wchar_t; |
7 | void foo(const wchar_t* x); |
8 | |
9 | void bar() { |
10 | foo(L"wide string literal"); |
11 | } |
12 | |
13 | void foo1(wchar_t * t = L""); |
14 | #if __cplusplus <= 199711L |
15 | // expected-warning@-2 {{conversion from string literal to 'wchar_t *' (aka 'unsigned short *') is deprecated}} |
16 | #else |
17 | // expected-warning@-4 {{ISO C++11 does not allow conversion from string literal to 'wchar_t *' (aka 'unsigned short *')}} |
18 | #endif |
19 | |
20 | short *a = L""; |
21 | // expected-error@-1 {{cannot initialize a variable of type 'short *' with an lvalue of type 'const unsigned short [1]'}} |
22 | char *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 least |
26 | // one of the operand is a string literal but Clang doesn't allow it. |
27 | wchar_t *c = true ? L"a" : L""; |
28 | // expected-error@-1 {{cannot initialize a variable of type 'wchar_t *' (aka 'unsigned short *') with}} |
29 | |
30 | const wchar_t *d1 = 0; |
31 | const wchar_t *d2 = 0; |
32 | wchar_t *d = true ? d1 : d2; |
33 | // expected-error@-1 {{cannot initialize a variable of type 'wchar_t *' (aka 'unsigned short *') with}} |
34 | |
35 | wchar_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 | |