1// Copyright (C) 2005, 2009 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 3, 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 COPYING3.  If not see
16// <http://www.gnu.org/licenses/>.
17
18// { dg-do compile }
19
20#include <algorithm>
21#include <testsuite_iterators.h>
22
23using __gnu_test::random_access_iterator_wrapper;
24
25struct S { };
26
27bool
28operator<(const S&, const S&) {return true;}
29
30struct X { };
31
32bool
33predicate(const X&, const X&) {return true;}
34
35bool
36test1(random_access_iterator_wrapper<S>& start,
37      random_access_iterator_wrapper<S>& end)
38{ return std::__is_heap(start, end) && std::__is_heap(start, 1); }
39
40bool
41test2(random_access_iterator_wrapper<X>& start,
42      random_access_iterator_wrapper<X>& end)
43{
44  return std::__is_heap(start, end, predicate) &&
45         std::__is_heap(start, predicate, 1);
46}
47