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// { dg-options "-std=gnu++0x" }

// 2007-10-12  Paolo Carlini  <pcarlini@suse.de>

//

// Copyright (C) 2007, 2009 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 Pred 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/>.

// 25.3.6 Heap operations [lib.alg.heap.operations]

#include <algorithm>

#include <functional>

#include <testsuite_hooks.h>

int A[] = {9, 8, 6, 7, 7, 5, 5, 3, 6, 4, 1, 2, 3, 4};

int B[] = {1, 3, 2, 4, 4, 6, 3, 5, 5, 7, 7, 6, 8, 9};

const int N = sizeof(A) / sizeof(int);

void

test01()

{

  bool test __attribute__((unused)) = true;

  for (int i = 0; i <= N; ++i)

    {

      VERIFY( std::is_heap(A, A + i) );

      VERIFY( std::is_heap(A, A + i, std::less<int>()) );

      VERIFY( std::is_heap(B, B + i, std::greater<int>()) );

      VERIFY( (i < 2) || !std::is_heap(B, B + i) );

    }

}

int

main()

{

  test01();

  return 0;

}