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// 2004-09-23 Chris Jefferson <chris@bubblescope.net>

// Copyright (C) 2004, 2009, 2010 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/>.

// tr1 additions to pair

#include <tr1/utility>

#include <testsuite_hooks.h>

using namespace std::tr1;

using std::pair;

struct blank_class

{ };

int

main()

{

  bool test __attribute__((unused)) = true;

  typedef pair<int,int> test_pair_type;

  VERIFY(tuple_size<test_pair_type>::value == 2);

  // Test if tuple_element::type returns the correct type

  blank_class blank;

  tuple_element<0, pair<blank_class, int> >::type

    blank2 __attribute__((unused)) = blank;

  tuple_element<1, pair<int ,blank_class> >::type

    blank3 __attribute__((unused)) = blank;

  pair<int,int> test_pair(1, 2);

  VERIFY(get<0>(test_pair) == 1);

  VERIFY(get<1>(test_pair) == 2);

  get<0>(test_pair) = 3;

  get<1>(test_pair) = 4;

  VERIFY(get<0>(test_pair) == 3);

  VERIFY(get<1>(test_pair) == 4);

  const pair<int,int> test_pair2(1,2);

  VERIFY(get<0>(test_pair2) == 1);

  VERIFY(get<1>(test_pair2) == 2);

}