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// 2004-09-23 Chris Jefferson <chris@bubblescope.net>
 
// Copyright (C) 2004 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 2, 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 COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
 
// tr1 additions to pair
 
#include <tr1/utility>
#include <testsuite_hooks.h>
 
using namespace std;
using namespace tr1;
 
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 = blank;
  tuple_element<1, pair<int ,blank_class> >::type blank3 = 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);
}