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// { dg-do run { target c++20 } }
// Copyright (C) 2020-2024 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 <iterator>
#include <sstream>
#include <testsuite_hooks.h>
void
test01()
{
static_assert( std::sentinel_for<std::default_sentinel_t,
std::istream_iterator<std::string>> );
static_assert( std::sentinel_for<std::default_sentinel_t,
std::istream_iterator<int>> );
std::istream_iterator<int> i = std::default_sentinel;
VERIFY( i == std::default_sentinel );
VERIFY( std::default_sentinel == i );
}
void
test02()
{
std::istringstream in("1 2 3");
std::istream_iterator<int> iter(in);
VERIFY( iter != std::default_sentinel );
VERIFY( std::default_sentinel != iter );
(void) *iter++;
(void) *iter++;
(void) *iter++;
VERIFY( iter == std::default_sentinel );
VERIFY( std::default_sentinel == iter );
}
int main()
{
test01();
test02();
}
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