1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <locale> 11 12 // template <> 13 // class codecvt<char16_t, char, mbstate_t> 14 // : public locale::facet, 15 // public codecvt_base 16 // { 17 // public: 18 // typedef char16_t intern_type; 19 // typedef char extern_type; 20 // typedef mbstate_t state_type; 21 // ... 22 // }; 23 24 #include <locale> 25 #include <type_traits> 26 #include <cassert> 27 28 int main() 29 { 30 //#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 31 typedef std::codecvt<char16_t, char, std::mbstate_t> F; 32 static_assert((std::is_base_of<std::locale::facet, F>::value), ""); 33 static_assert((std::is_base_of<std::codecvt_base, F>::value), ""); 34 static_assert((std::is_same<F::intern_type, char16_t>::value), ""); 35 static_assert((std::is_same<F::extern_type, char>::value), ""); 36 static_assert((std::is_same<F::state_type, std::mbstate_t>::value), ""); 37 std::locale l = std::locale::classic(); 38 assert(std::has_facet<F>(l)); 39 const F& f = std::use_facet<F>(l); 40 (void)F::id; 41 //#endif 42 } 43
