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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>

void

test01()

{

  bool test __attribute__((unused)) = true;

  const std::string str_01;

  const std::string str_02("soul eyes: john coltrane quartet");

  std::string strtmp;

  std::stringbuf isbuf_03(str_02, std::ios_base::in);

  std::stringbuf isbuf_04(str_02, std::ios_base::in);

  std::stringbuf isbuf_05(str_02, std::ios_base::in);

  std::istream is_00(&isbuf_05);

  std::istream is_03(&isbuf_03);

  std::istream is_04(&isbuf_04);

  std::ios_base::iostate state1, state2;

  // istream& putback(char c)

  is_04.ignore(30);

  is_04.clear();

  state1 = is_04.rdstate();

  is_04.putback('t');

  VERIFY( is_04.gcount() == 0 );  // DR 60

  state2 = is_04.rdstate();

  VERIFY( state1 == state2 );

  VERIFY( is_04.peek() == 't' );

  // istream& unget()

  is_04.clear();

  state1 = is_04.rdstate();

  is_04.unget();

  VERIFY( is_04.gcount() == 0 );  // DR 60

  state2 = is_04.rdstate();

  VERIFY( state1 == state2 );

  VERIFY( is_04.peek() == 'r' );

  // int sync()

  is_00.ignore(10);

  int count1 = is_00.gcount();

  is_00.sync();

  int count2 = is_00.gcount();

  VERIFY (count1 == count2 );     // DR 60

}

int

main()

{

  test01();

  return 0;

}