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