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/*
Gordon's Text-Utilities Library
Copyright (C) 2009 Assaf Gordon (gordon@cshl.edu)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#include <vector>
#include <map>
#include <string>
#include <iostream>
#include <fstream>
#include <err.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <gtextutils/outbuf3.hpp>
#include "tests_assertion.h"
/*
* Test for File-Descriptor-based output buffer.
*/
using namespace std;
const char* filename = "fdout.tmp" ;
void create_file()
{
//Create a File (using C API),
//then connect an output stream to it
int fd = open("fdout.tmp", O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR|S_IWUSR ) ;
if ( fd == -1 )
perror("Failed to create file 'fdout.tmp'");
josuttis_fdostream out2(fd);
out2 << "first line" << endl ;
out2 << "second line" << endl ;
out2 << "third line" << endl;
close(fd);
}
void verify_file()
{
//To verify - use only STL classes,
//no home made libgtextutils classes.
ifstream ifs(filename);
string s;
ifs >> s ;
ASSERT ( s == "first" ) ;
ifs >> s ;
ASSERT ( s == "line" ) ;
ifs >> s ;
ASSERT ( s == "second" ) ;
ifs >> s ;
ASSERT ( s == "line" ) ;
ifs >> s ;
ASSERT ( s == "third" ) ;
ifs >> s ;
ASSERT ( s == "line" ) ;
}
int main()
{
//Use file-descriptor 1 = STDOUT
josuttis_fdostream out1(1);
out1 << "Hello World from File-Descriptor Output Stream (josuttifs_fdostream)!" << endl;
create_file();
verify_file();
unlink(filename);
}
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