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// { dg-options "-std=gnu++0x" }
 
// 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 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/>.
 
// Tuple
 
#include <tuple>
#include <testsuite_hooks.h>
 
using namespace std;
 
int
main()
{
  bool test __attribute__((unused)) = true;
 
  int j=1;
  const int k=2;
  tuple<int,int &,const int&> a(0,j,k);
  const tuple<int,int &,const int&> b(1,j,k); 
  VERIFY(get<0>(a)==0 && get<1>(a)==1 && get<2>(a)==2);
  get<0>(a)=3;
  get<1>(a)=4;  
  VERIFY(get<0>(a)==3 && get<1>(a)==4);
  VERIFY(j==4);
  get<1>(b)=5;
  VERIFY(get<0>(b)==1 && get<1>(b)==5 && get<2>(b)==2);
  VERIFY(j==5);
}