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//===----------------------------------------------------------------------===//
//
// 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.en_US.UTF-8
// <locale>
// template <class CharT>
// class ctype_byname
// : public ctype<CharT>
// {
// public:
// explicit ctype_byname(const char*, size_t = 0);
// explicit ctype_byname(const string&, size_t = 0);
//
// protected:
// ~ctype_byname();
// };
#include <locale>
#include <type_traits>
#include <cassert>
#include "platform_support.h" // locale name macros
int main()
{
{
std::locale l(LOCALE_en_US_UTF_8);
{
assert(std::has_facet<std::ctype_byname<char> >(l));
assert(&std::use_facet<std::ctype<char> >(l)
== &std::use_facet<std::ctype_byname<char> >(l));
}
{
assert(std::has_facet<std::ctype_byname<wchar_t> >(l));
assert(&std::use_facet<std::ctype<wchar_t> >(l)
== &std::use_facet<std::ctype_byname<wchar_t> >(l));
}
}
{
std::locale l("C");
{
assert(std::has_facet<std::ctype_byname<char> >(l));
assert(&std::use_facet<std::ctype<char> >(l)
== &std::use_facet<std::ctype_byname<char> >(l));
}
{
assert(std::has_facet<std::ctype_byname<wchar_t> >(l));
assert(&std::use_facet<std::ctype<wchar_t> >(l)
== &std::use_facet<std::ctype_byname<wchar_t> >(l));
}
}
}
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