//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// REQUIRES: locale.ru_RU.UTF-8
// XFAIL: availability-char8_t_support-missing
// This test runs in C++20, but we have deprecated codecvt<char(16|32), char, mbstate_t> in C++20.
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
// <locale>
// template <class Facet> locale(const locale& other, Facet* f);
#include <locale>
#include <new>
#include <cassert>
#include "count_new.h"
#include "test_macros.h"
#include "platform_support.h" // locale name macros
template<class CharT>
void check_for(const std::locale& loc)
{
assert(std::has_facet<std::collate<CharT> >(loc));
assert(std::has_facet<std::ctype<CharT> >(loc));
assert((std::has_facet<std::codecvt<CharT, char, std::mbstate_t> >(loc)));
assert(std::has_facet<std::moneypunct<CharT> >(loc));
assert(std::has_facet<std::money_get<CharT> >(loc));
assert(std::has_facet<std::money_put<CharT> >(loc));
assert(std::has_facet<std::numpunct<CharT> >(loc));
assert(std::has_facet<std::num_get<CharT> >(loc));
assert(std::has_facet<std::num_put<CharT> >(loc));
assert(std::has_facet<std::time_get<CharT> >(loc));
assert(std::has_facet<std::time_put<CharT> >(loc));
assert(std::has_facet<std::messages<CharT> >(loc));
}
void check(const std::locale& loc)
{
check_for<char>(loc);
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
check_for<wchar_t>(loc);
#endif
assert((std::has_facet<std::codecvt<char16_t, char, std::mbstate_t> >(loc)));
assert((std::has_facet<std::codecvt<char32_t, char, std::mbstate_t> >(loc)));
#if TEST_STD_VER > 17
assert((std::has_facet<std::codecvt<char16_t, char8_t, std::mbstate_t> >(loc)));
assert((std::has_facet<std::codecvt<char32_t, char8_t, std::mbstate_t> >(loc)));
#endif
}
struct my_facet
: public std::locale::facet
{
int test() const {return 5;}
static std::locale::id id;
};
std::locale::id my_facet::id;
int main(int, char**)
{
{
std::locale loc(LOCALE_ru_RU_UTF_8);
check(loc);
std::locale loc2(loc, new my_facet);
check(loc2);
assert((std::has_facet<my_facet>(loc2)));
const my_facet& f = std::use_facet<my_facet>(loc2);
assert(f.test() == 5);
}
assert(globalMemCounter.checkOutstandingNewEq(0));
{
std::locale loc;
check(loc);
std::locale loc2(loc, (std::ctype<char>*)0);
check(loc2);
assert(loc == loc2);
}
assert(globalMemCounter.checkOutstandingNewEq(0));
return 0;
}