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// { dg-do compile { target c++11 } }
// Copyright (C) 2010-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <string>
#include <testsuite_common_types.h>
namespace __gnu_test
{
struct constexpr_member_functions
{
template<typename _Ttesttype>
void
operator()()
{
struct _Concept
{
void __constraint()
{
typedef typename _Ttesttype::char_type char_type;
typedef typename _Ttesttype::int_type int_type;
const char_type c1(0);
const char_type c2 = c1;
const int_type i(0);
constexpr auto v1 __attribute__((unused))
= _Ttesttype::eq(c1, c2);
constexpr auto v2 __attribute__((unused))
= _Ttesttype::lt(c1, c2);
constexpr auto v3 __attribute__((unused))
= _Ttesttype::to_char_type(i);
constexpr auto v4 __attribute__((unused))
= _Ttesttype::to_int_type(c1);
constexpr auto v5 __attribute__((unused))
= _Ttesttype::eq_int_type(i, i);
constexpr auto v6 __attribute__((unused))
= _Ttesttype::eof();
constexpr auto v7 __attribute__((unused))
= _Ttesttype::not_eof(i);
}
};
_Concept c;
c.__constraint();
}
};
}
int main()
{
__gnu_test::constexpr_member_functions test;
test.operator()<std::char_traits<char>>();
#ifdef _GLIBCXX_USE_WCHAR_T
test.operator()<std::char_traits<wchar_t>>();
#endif
#ifdef _GLIBCXX_USE_CHAR8_T
test.operator()<std::char_traits<char8_t>>();
#endif
test.operator()<std::char_traits<char16_t>>();
test.operator()<std::char_traits<char32_t>>();
return 0;
}