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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;

  tuple<> ta;

  tuple<> tb;

  ta = tb;

  tuple<int> tc(1);

  tuple<int> td(0);

  td = tc;

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

  int i=0;

  tuple<int&> te(i);

  te = tc;

  VERIFY(i == 1);

  tuple<const int&> tf(tc);

  get<0>(tc) = 2;

  VERIFY(get<0>(tf) == 2);

  tuple<double> tg;

  tg = tc;

}