types_char32_t.pass.cpp [plain text]
#include <locale>
#include <type_traits>
#include <cassert>
int main()
{
typedef std::codecvt<char32_t, char, std::mbstate_t> F;
static_assert((std::is_base_of<std::locale::facet, F>::value), "");
static_assert((std::is_base_of<std::codecvt_base, F>::value), "");
static_assert((std::is_same<F::intern_type, char32_t>::value), "");
static_assert((std::is_same<F::extern_type, char>::value), "");
static_assert((std::is_same<F::state_type, std::mbstate_t>::value), "");
std::locale l = std::locale::classic();
assert(std::has_facet<F>(l));
const F& f = std::use_facet<F>(l);
(void)F::id;
}