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// 1999-07-01 bkoz
// Copyright (C) 1999-2018 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>
void test01(void)
{
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;
}
int main()
{
test01();
return 0;
}
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