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// 1999-07-01 bkoz
 
// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2009
// 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/>.
 
// 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;
}