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// 1999-08-11 bkoz

// Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation

//

// 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 2, 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 COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// 27.6.1.3 unformatted input functions

#include <istream>

#include <sstream>

#include <testsuite_hooks.h>

// libstdc++/6746   

void test12()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  streamsize sum = 0;

  istringstream iss("shamma shamma");

  // test01

  size_t i = iss.rdbuf()->in_avail();

  VERIFY( i != 0 );

  // test02

  streamsize extracted;

  do

    {

      char buf[1024];

      extracted = iss.readsome(buf, sizeof buf);

      sum += extracted;

    }

  while (iss.good() && extracted);

  VERIFY( sum != 0 );

}

int

main()

{

  test12();

  return 0;

}