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// Copyright (C) 2015-2019 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/>.
// { dg-do compile { target c++14 } }
// This is a compile-only test with minimal includes
#include <experimental/iterator>
#include <iosfwd> // No guarantee that <experimental/iterator> includes this!
using namespace std::experimental;
template<typename Delim, typename Char>
struct tester
{
using joiner_type = ostream_joiner<Delim, Char>;
using ostream_type = std::basic_ostream<Char>;
using test_type = decltype(make_ostream_joiner(std::declval<ostream_type&>(),
std::declval<Delim>()));
static_assert(is_same_v<test_type, joiner_type>, "");
static_assert(is_same_v<typename test_type::char_type, Char>, "");
static_assert(is_same_v<typename test_type::traits_type,
std::char_traits<Char>>, "");
static_assert(is_same_v<typename test_type::ostream_type, ostream_type>, "");
static_assert(is_same_v<typename test_type::iterator_category,
std::output_iterator_tag>, "");
static_assert(is_same_v<typename test_type::value_type, void>, "");
static_assert(is_same_v<typename test_type::difference_type, void>, "");
static_assert(is_same_v<typename test_type::pointer, void>, "");
static_assert(is_same_v<typename test_type::reference, void>, "");
};
tester<char, char> cc;
tester<int, char> ic;
#if _GLIBCXX_USE_WCHAR_T
tester<wchar_t, wchar_t> ww;
tester<int, wchar_t> iw;
#endif
std::ostream& os();
// Ensure that contents of <iterator> are defined by <experimental/iterator>:
std::reverse_iterator<int*> ii;
std::move_iterator<int*> mi;
std::istream_iterator<int> isi;
std::ostream_iterator<int> osi(os());
std::istreambuf_iterator<char> isbi;
std::ostreambuf_iterator<char> osbi(os());
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