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// Copyright (C) 2005-2022 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 }
#include <algorithm>
#include <testsuite_iterators.h>
using __gnu_test::random_access_iterator_wrapper;
struct S { };
bool
operator<(const S&, const S&) {return true;}
struct X { };
bool
predicate(const X&, const X&) {return true;}
bool
test1(random_access_iterator_wrapper<S>& start,
random_access_iterator_wrapper<S>& end)
{ return std::__is_heap(start, end) && std::__is_heap(start, 1); }
bool
test2(random_access_iterator_wrapper<X>& start,
random_access_iterator_wrapper<X>& end)
{
return std::__is_heap(start, end, predicate) &&
std::__is_heap(start, predicate, 1);
}