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// 981015 bkoz
// i,o,stringstream usage
// Copyright (C) 1997, 1998, 1999 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
#include <vector>
#include <string>
#include <sstream>
#include <testsuite_hooks.h>
// 01: sanity checks for strings, stringbufs
std::string
test01()
{
bool test = false;
// Empty string sanity check.
std::string str01;
std::string::iterator __i_start = str01.begin();
std::string::iterator __i_end = str01.end();
std::string::size_type len = str01.size();
test = __i_start == __i_end;
VERIFY( len == 0 );
// Full string sanity check.
std::string str02("these golden days, i spend waiting for you:\n"
"Betty Carter on Verve with I'm Yours and You're Mine.");
__i_start = str02.begin();
__i_end = str02.end();
len = str02.size();
VERIFY( __i_start != __i_end );
VERIFY( len != 0 );
// Test an empty ostring stream for sanity.
std::ostringstream ostrstream0;
std::string str03 = ostrstream0.str();
__i_start = str03.begin();
__i_end = str03.end();
len = str03.size();
VERIFY( __i_start == __i_end );
VERIFY( len == 0 );
VERIFY( str01 == str03 );
return str02;
}
int
test02()
{
bool test = true;
//
// 1: Automatic formatting of a compound string
//
int i = 1024;
int *pi = &i;
double d = 3.14159;
double *pd = &d;
std::string blank;
std::ostringstream ostrst01;
std::ostringstream ostrst02(blank);
// No buffer,so should be created.
ostrst01 << "i: " << i << " i's address: " << pi << "\n"
<< "d: " << d << " d's address: " << pd << std::endl;
// Buffer, so existing buffer should be overwritten.
ostrst02 << "i: " << i << " i's address: " << pi << "\n"
<< "d: " << d << " d's address: " << pd << std::endl;
std::string msg01 = ostrst01.str();
std::string msg02 = ostrst02.str();
VERIFY( msg01 == msg02 );
VERIFY( msg02 != blank );
//
// 2: istringstream
//
// extracts the stored ascii values, placing them in turn in the four vars
#if 0
int i2 = 0;
int *pi2 = &i2;
double d2 = 0.0;
double *pd2 = &d2;
std::istringstream istrst01(ostrst02.str());
istrst01 >> i2 >> pi2 >> d2 >> pd2;
//istrst01 >> i2;
//istrst01 >> pi2;
VERIFY( i2 == i );
VERIFY( d2 == d );
VERIFY( pd2 == pd );
VERIFY( pi2 == pi );
#endif
// stringstream
std::string str1("");
std::string str3("this is a somewhat string");
std::stringstream ss1(str1, std::ios_base::in|std::ios_base::out);
std::stringstream ss2(str3, std::ios_base::in|std::ios_base::out);
return 0;
}
// user-reported error
class derived_oss: public std::ostringstream
{
public:
derived_oss() : std::ostringstream() {}
};
int
test03()
{
bool test = true;
derived_oss yy;
yy << "buena vista social club\n";
VERIFY( yy.str() == std::string("buena vista social club\n") );
#ifdef DEBUG_ASSERT
assert(test);
#endif
return 0;
}
int
main()
{
test01();
test02();
test03();
return 0;
}
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