//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// XFAIL: availability-char8_t_support-missing
// <locale>
// template <> class codecvt<char32_t, char8_t, mbstate_t>
// explicit codecvt(size_t refs = 0);
#include <cassert>
#include <locale>
using F = std::codecvt<char32_t, char8_t, std::mbstate_t>;
struct my_facet : F {
static int count;
explicit my_facet(std::size_t refs = 0) : F(refs) { ++count; }
~my_facet() { --count; }
};
int my_facet::count = 0;
int main(int, char**) {
{
std::locale l(std::locale::classic(), new my_facet);
assert(my_facet::count == 1);
}
assert(my_facet::count == 0);
{
my_facet f(1);
assert(my_facet::count == 1);
{
std::locale l(std::locale::classic(), &f);
assert(my_facet::count == 1);
}
assert(my_facet::count == 1);
}
assert(my_facet::count == 0);
return 0;
}