text: // 2004-09-23 Chris Jefferson <chris@bubblescope.net>
  
  // Copyright (C) 2004-2017 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 <tr1/tuple>
  #include <testsuite_hooks.h>
  
  using namespace std::tr1;
  
  int
  main()
  {
    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;
  }
  
  