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sortix--sortix/regress/test-fmemopen.c++
Jonas 'Sortie' Termansen dc73d0d7a1 Add test-fmemopen.
2014-11-17 19:18:16 +01:00

61 lines
1.6 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2014.
This program 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 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 General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
test-fmemopen.c++
Tests basic fmemopen() usage.
*******************************************************************************/
#include <stdio.h>
#include <string.h>
#include "test.h"
int main(void)
{
const char* string = "VYl/plYoFGAg2";
size_t string_length = strlen(string);
FILE* fp;
int c;
unsigned char* buffer = (unsigned char*) string;
size_t buffer_size = string_length;
if ( !(fp = fmemopen(buffer, buffer_size, "r")) )
test_error(errno, "fmemopen");
for ( size_t i = 0; i < buffer_size; i++ )
{
c = fgetc(fp);
test_assert(!(c == EOF && feof(fp)));
test_assert(!(c == EOF && ferror(fp)));
test_assert(c != EOF);
test_assert((unsigned char) c == buffer[i]);
test_assert(!feof(fp));
test_assert(!ferror(fp));
}
c = fgetc(fp);
test_assert(c == EOF);
test_assert(!ferror(fp));
test_assert(feof(fp));
fclose(fp);
return 0;
}