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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);

}