diff options
Diffstat (limited to 'test/std/depr/depr.c.headers/wchar_h.pass.cpp')
| -rw-r--r-- | test/std/depr/depr.c.headers/wchar_h.pass.cpp | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/test/std/depr/depr.c.headers/wchar_h.pass.cpp b/test/std/depr/depr.c.headers/wchar_h.pass.cpp index e561b3e5a724a..f2e42a3285885 100644 --- a/test/std/depr/depr.c.headers/wchar_h.pass.cpp +++ b/test/std/depr/depr.c.headers/wchar_h.pass.cpp @@ -9,8 +9,8 @@ // <wchar.h> - #include <wchar.h> +#include <stdarg.h> #include <type_traits> #ifndef NULL @@ -32,25 +32,25 @@ int main() { // mbstate_t comes from the underlying C library; it is defined (in C99) as: -// a complete object type other than an array type that can hold the conversion -// state information necessary to convert between sequences of multibyte +// a complete object type other than an array type that can hold the conversion +// state information necessary to convert between sequences of multibyte // characters and wide characters -#pragma clang diagnostic push -#pragma clang diagnostic ignored "-Wmissing-braces" - mbstate_t mb = {0}; -#pragma clang diagnostic pop - + mbstate_t mb = {}; size_t s = 0; tm *tm = 0; wint_t w = 0; ::FILE* fp = 0; -#ifdef __APPLE__ - __darwin_va_list va; -#else - __builtin_va_list va; -#endif + ::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(fwprintf(fp, L"")), int>::value), ""); static_assert((std::is_same<decltype(fwscanf(fp, L"")), int>::value), ""); static_assert((std::is_same<decltype(swprintf(ws, s, L"")), int>::value), ""); @@ -82,19 +82,14 @@ int main() static_assert((std::is_same<decltype(wcscoll(L"", L"")), int>::value), ""); static_assert((std::is_same<decltype(wcsncmp(L"", L"", s)), int>::value), ""); static_assert((std::is_same<decltype(wcsxfrm(ws, L"", s)), size_t>::value), ""); - // const wchar_t* wcschr((const wchar_t*)0, L' ') - See below static_assert((std::is_same<decltype(wcschr((wchar_t*)0, L' ')), wchar_t*>::value), ""); static_assert((std::is_same<decltype(wcscspn(L"", L"")), size_t>::value), ""); static_assert((std::is_same<decltype(wcslen(L"")), size_t>::value), ""); - // const wchar_t* wcspbrk((const wchar_t*)0, L"") - See below static_assert((std::is_same<decltype(wcspbrk((wchar_t*)0, L"")), wchar_t*>::value), ""); - // const wchar_t* wcsrchr((const wchar_t*)0, L' ') - See below static_assert((std::is_same<decltype(wcsrchr((wchar_t*)0, L' ')), wchar_t*>::value), ""); static_assert((std::is_same<decltype(wcsspn(L"", L"")), size_t>::value), ""); - // const wchar_t* wcsstr((const wchar_t*)0, L"") - See below static_assert((std::is_same<decltype(wcsstr((wchar_t*)0, L"")), wchar_t*>::value), ""); static_assert((std::is_same<decltype(wcstok(ws, L"", (wchar_t**)0)), wchar_t*>::value), ""); - // const wchar_t* wmemchr((const wchar_t*)0, L' ', s) - See below static_assert((std::is_same<decltype(wmemchr((wchar_t*)0, L' ', s)), wchar_t*>::value), ""); static_assert((std::is_same<decltype(wmemcmp(L"", L"", s)), int>::value), ""); static_assert((std::is_same<decltype(wmemcpy(ws, L"", s)), wchar_t*>::value), ""); @@ -110,10 +105,10 @@ int main() static_assert((std::is_same<decltype(mbsrtowcs(ws, (const char**)0, s, &mb)), size_t>::value), ""); static_assert((std::is_same<decltype(wcsrtombs(ns, (const wchar_t**)0, s, &mb)), size_t>::value), ""); -// This test fails on systems whose C library doesn't provide a correct overload -// set for wcschr, wcspbrk, wcsrchr, wcsstr, and wmemchr. There's no way for -// libc++ to fix that on the C library's behalf. -#ifndef __APPLE__ + // 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(wcschr((const wchar_t*)0, L' ')), const wchar_t*>::value), ""); static_assert((std::is_same<decltype(wcspbrk((const wchar_t*)0, L"")), const wchar_t*>::value), ""); static_assert((std::is_same<decltype(wcsrchr((const wchar_t*)0, L' ')), const wchar_t*>::value), ""); |