37 lines
1.6 KiB
C++
37 lines
1.6 KiB
C++
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// RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -fno-wchar -verify %s
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// RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -fno-wchar -verify -std=c++98 %s
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// RUN: %clang_cc1 -triple i386-pc-win32 -fsyntax-only -fno-wchar -verify -std=c++11 %s
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wchar_t x; // expected-error {{unknown type name 'wchar_t'}}
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typedef unsigned short wchar_t;
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void foo(const wchar_t* x);
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void bar() {
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foo(L"wide string literal");
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}
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void foo1(wchar_t * t = L"");
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#if __cplusplus <= 199711L
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// expected-warning@-2 {{conversion from string literal to 'wchar_t *' (aka 'unsigned short *') is deprecated}}
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#else
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// expected-warning@-4 {{ISO C++11 does not allow conversion from string literal to 'wchar_t *' (aka 'unsigned short *')}}
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#endif
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short *a = L"";
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// expected-error@-1 {{cannot initialize a variable of type 'short *' with an lvalue of type 'const unsigned short [1]'}}
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char *b = L"";
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// expected-error@-1 {{cannot initialize a variable of type 'char *' with an lvalue of type 'const unsigned short [1]'}}
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// NOTE: MSVC allows deprecated conversion in conditional expression if at least
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// one of the operand is a string literal but Clang doesn't allow it.
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wchar_t *c = true ? L"a" : L"";
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// expected-error@-1 {{cannot initialize a variable of type 'wchar_t *' (aka 'unsigned short *') with}}
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const wchar_t *d1 = 0;
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const wchar_t *d2 = 0;
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wchar_t *d = true ? d1 : d2;
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// expected-error@-1 {{cannot initialize a variable of type 'wchar_t *' (aka 'unsigned short *') with}}
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wchar_t* e = (const wchar_t*)L"";
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// 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 *')}}
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