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// 1999-07-01 bkoz

// Copyright (C) 1999, 2000, 2001, 2002, 2003 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 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.

// 21.3.7.9 inserters and extractors

// NB: This file is predicated on sstreams, istreams, and ostreams

// working, not to mention other major details like char_traits, and

// all of the string class.

#include <string>

#include <stdexcept>

#include <sstream>

#include <fstream>

#include <iostream>

#include <testsuite_hooks.h>

bool test01(void)

{

  bool test __attribute__((unused)) = true;

  typedef std::string::size_type csize_type;

  typedef std::string::const_reference cref;

  typedef std::string::reference ref;

  const std::string str01("sailing grand traverse bay\n"

               "\t\t\t    from Elk Rapids to the point reminds me of miles");

  const std::string str02("sailing");

  const std::string str03("grand");

  const std::string str04("traverse");

  const std::string str05;

  std::string str10;

  // istream& operator>>(istream&, string&)

  std::istringstream istrs01(str01);

  istrs01 >> str10;

  VERIFY( str10 == str02 );

  try

    {

      std::istringstream::int_type i01 = istrs01.peek(); //a-boo

      VERIFY( std::istringstream::traits_type::to_char_type(i01) == ' ' );

    }

  catch(std::exception& fail)

    {

      VERIFY( false ); // shouldn't throw

    }

  istrs01.clear();

  istrs01 >> str10;

  VERIFY( str10 == str03 );

  istrs01.clear();

  istrs01 >> str10;

  VERIFY( str10 == str04 ); // sentry picks out the white spaces. . 

  std::istringstream istrs02(str05); // empty

  istrs02 >> str10;

  VERIFY( str10 == str04 );

  // istream& getline(istream&, string&, char)

  // istream& getline(istream&, string&)

  try

    {

      istrs01.clear();

      getline(istrs01, str10);

      VERIFY( !istrs01.fail() );

      VERIFY( !istrs01.eof() );

      VERIFY( istrs01.good() );

      VERIFY( str10 == " bay" );

    }

  catch(std::exception& fail)

    {

      VERIFY( false ); // shouldn't throw

    }

  try

    {

      istrs01.clear();

      getline(istrs01, str10,'\t');

      VERIFY( !istrs01.fail() );

      VERIFY( !istrs01.eof() );

      VERIFY( istrs01.good() );

      VERIFY( str10 == str05 );

    }

  catch(std::exception& fail)

    {

      VERIFY( false ); // shouldn't throw

    }

  try

    {

      istrs01.clear();

      getline(istrs01, str10,'\t');

      VERIFY( !istrs01.fail() );

      VERIFY( !istrs01.eof() );

      VERIFY( istrs01.good() );

      VERIFY( str10 == str05 );

    }

  catch(std::exception& fail)

    {

      VERIFY( false ); // shouldn't throw

    }

  try

    {

      istrs01.clear();

      getline(istrs01, str10, '.');

      VERIFY( !istrs01.fail() );

      VERIFY( istrs01.eof() );

      VERIFY( !istrs01.good() );

      VERIFY( str10 == "\t    from Elk Rapids to the point reminds me of miles" );

    }

  catch(std::exception& fail)

    {

      VERIFY( false ); // shouldn't throw

    }

  try

    {

      getline(istrs02, str10);

      VERIFY( istrs02.fail() );

      VERIFY( istrs02.eof() );

      VERIFY( str10 =="\t    from Elk Rapids to the point reminds me of miles" );

    }

  catch(std::exception& fail)

    {

      VERIFY( false ); // shouldn't throw

    }

  // ostream& operator<<(ostream&, const basic_string&)

  std::ostringstream ostrs01;

  try

    {

      ostrs01 << str01;

      VERIFY( ostrs01.str() == str01 );

    }

  catch(std::exception& fail)

    {

      VERIFY( false );

    }

  std::string hello_world;

  std::cout << hello_world;

  return test;

}

int main()

{

  test01();

  return 0;

}