1// Copyright (C) 2005 Free Software Foundation, Inc.
2//
3// This file is part of the GNU ISO C++ Library.  This library is free
4// software; you can redistribute it and/or modify it under the
5// terms of the GNU General Public License as published by the
6// Free Software Foundation; either version 2, or (at your option)
7// any later version.
8
9// This library is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License along
15// with this library; see the file COPYING.  If not, write to the Free
16// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17// USA.
18
19// { dg-do compile }
20
21#include <algorithm>
22#include <testsuite_iterators.h>
23
24using __gnu_test::random_access_iterator_wrapper;
25
26struct S { };
27
28bool
29operator<(const S&, const S&) {return true;}
30
31struct X { };
32
33bool
34predicate(const X&, const X&) {return true;}
35
36bool
37test1(random_access_iterator_wrapper<S>& start,
38      random_access_iterator_wrapper<S>& end)
39{ return std::__is_heap(start, end) && std::__is_heap(start, 1); }
40
41bool
42test2(random_access_iterator_wrapper<X>& start,
43      random_access_iterator_wrapper<X>& end)
44{
45  return std::__is_heap(start, end, predicate) &&
46         std::__is_heap(start, predicate, 1);
47}
48