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// { dg-options "-std=gnu++0x" }

// Copyright (C) 2011 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 Pred 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/>.

#include <algorithm>

#include <vector>

#include <sstream>

#include <iterator>

#include <testsuite_hooks.h>

// libstdc++/50119

void test01()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  vector<int> v;

  istringstream s("1 2 3 4 5");

  copy_n(istream_iterator<int>(s), 2, back_inserter(v));

  VERIFY( v.size() == 2 );

  VERIFY( v[0] == 1 );

  VERIFY( v[1] == 2 );

  copy_n(istream_iterator<int>(s), 2, back_inserter(v));

  VERIFY( v.size() == 4 );

  VERIFY( v[0] == 1 );

  VERIFY( v[1] == 2 );

  VERIFY( v[2] == 3 );

  VERIFY( v[3] == 4 );

}

int main()

{

  test01();

  return 0;

}