diff options
Diffstat (limited to 'test/std/strings/c.strings/cwchar.pass.cpp')
| -rw-r--r-- | test/std/strings/c.strings/cwchar.pass.cpp | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/test/std/strings/c.strings/cwchar.pass.cpp b/test/std/strings/c.strings/cwchar.pass.cpp index 93d2bb1efa50..2b7c3c465f6d 100644 --- a/test/std/strings/c.strings/cwchar.pass.cpp +++ b/test/std/strings/c.strings/cwchar.pass.cpp @@ -10,6 +10,7 @@ // <cwchar> #include <cwchar> +#include <cstdarg> #include <type_traits> #ifndef NULL @@ -35,13 +36,20 @@ int main() std::tm *tm = 0; std::wint_t w = 0; ::FILE* fp = 0; -#ifdef __APPLE__ - __darwin_va_list va; -#else - __builtin_va_list va; -#endif + std::va_list va; + char* ns = 0; wchar_t* ws = 0; + + ((void)mb); // Prevent unused warning + ((void)s); // Prevent unused warning + ((void)tm); // Prevent unused warning + ((void)w); // Prevent unused warning + ((void)fp); // Prevent unused warning + ((void)va); // Prevent unused warning + ((void)ns); // Prevent unused warning + ((void)ws); // Prevent unused warning + static_assert((std::is_same<decltype(std::fwprintf(fp, L"")), int>::value), ""); static_assert((std::is_same<decltype(std::fwscanf(fp, L"")), int>::value), ""); static_assert((std::is_same<decltype(std::swprintf(ws, s, L"")), int>::value), ""); @@ -73,19 +81,14 @@ int main() static_assert((std::is_same<decltype(std::wcscoll(L"", L"")), int>::value), ""); static_assert((std::is_same<decltype(std::wcsncmp(L"", L"", s)), int>::value), ""); static_assert((std::is_same<decltype(std::wcsxfrm(ws, L"", s)), std::size_t>::value), ""); - static_assert((std::is_same<decltype(std::wcschr((const wchar_t*)0, L' ')), const wchar_t*>::value), ""); static_assert((std::is_same<decltype(std::wcschr((wchar_t*)0, L' ')), wchar_t*>::value), ""); static_assert((std::is_same<decltype(std::wcscspn(L"", L"")), std::size_t>::value), ""); static_assert((std::is_same<decltype(std::wcslen(L"")), std::size_t>::value), ""); - static_assert((std::is_same<decltype(std::wcspbrk((const wchar_t*)0, L"")), const wchar_t*>::value), ""); static_assert((std::is_same<decltype(std::wcspbrk((wchar_t*)0, L"")), wchar_t*>::value), ""); - static_assert((std::is_same<decltype(std::wcsrchr((const wchar_t*)0, L' ')), const wchar_t*>::value), ""); static_assert((std::is_same<decltype(std::wcsrchr((wchar_t*)0, L' ')), wchar_t*>::value), ""); static_assert((std::is_same<decltype(std::wcsspn(L"", L"")), std::size_t>::value), ""); - static_assert((std::is_same<decltype(std::wcsstr((const wchar_t*)0, L"")), const wchar_t*>::value), ""); static_assert((std::is_same<decltype(std::wcsstr((wchar_t*)0, L"")), wchar_t*>::value), ""); static_assert((std::is_same<decltype(std::wcstok(ws, L"", (wchar_t**)0)), wchar_t*>::value), ""); - static_assert((std::is_same<decltype(std::wmemchr((const wchar_t*)0, L' ', s)), const wchar_t*>::value), ""); static_assert((std::is_same<decltype(std::wmemchr((wchar_t*)0, L' ', s)), wchar_t*>::value), ""); static_assert((std::is_same<decltype(std::wmemcmp(L"", L"", s)), int>::value), ""); static_assert((std::is_same<decltype(std::wmemcpy(ws, L"", s)), wchar_t*>::value), ""); @@ -101,6 +104,17 @@ int main() static_assert((std::is_same<decltype(std::mbsrtowcs(ws, (const char**)0, s, &mb)), std::size_t>::value), ""); static_assert((std::is_same<decltype(std::wcsrtombs(ns, (const wchar_t**)0, s, &mb)), std::size_t>::value), ""); + // These tests fail on systems whose C library doesn't provide a correct overload + // set for wcschr, wcspbrk, wcsrchr, wcsstr, and wmemchr, unless the compiler is + // a suitably recent version of Clang. +#if !defined(__APPLE__) || defined(_LIBCPP_PREFERRED_OVERLOAD) + static_assert((std::is_same<decltype(std::wcschr((const wchar_t*)0, L' ')), const wchar_t*>::value), ""); + static_assert((std::is_same<decltype(std::wcspbrk((const wchar_t*)0, L"")), const wchar_t*>::value), ""); + static_assert((std::is_same<decltype(std::wcsrchr((const wchar_t*)0, L' ')), const wchar_t*>::value), ""); + static_assert((std::is_same<decltype(std::wcsstr((const wchar_t*)0, L"")), const wchar_t*>::value), ""); + static_assert((std::is_same<decltype(std::wmemchr((const wchar_t*)0, L' ', s)), const wchar_t*>::value), ""); +#endif + #ifndef _LIBCPP_HAS_NO_STDIN static_assert((std::is_same<decltype(std::getwchar()), std::wint_t>::value), ""); static_assert((std::is_same<decltype(std::vwscanf(L"", va)), int>::value), ""); |