procps/proc/test_sysinfo.c

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/*
* libprocps - Library to read proc filesystem
* Tests for sysinfo library calls
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <proc/sysinfo.h>
struct test_func {
int (*func)(void *data);
char *name;
};
int check_hertz(void *data)
{
long hz;
hz = procps_hertz_get();
return (hz > 0);
}
int check_loadavg(void *data)
{
double a,b,c;
if (procps_loadavg(&a, &b, &c) == 0)
return 1;
return (a>0 && b>0 && c>0);
}
int check_loadavg_null(void *data)
{
if (procps_loadavg(NULL, NULL, NULL) == 0)
return 1;
return 0;
}
struct test_func tests[] = {
{ check_hertz, "procps_hertz_get()"},
{ check_loadavg, "procps_loadavg()"},
{ check_loadavg, "procps_loadavg() with NULLs"},
{ NULL, NULL}
};
int main(int argc, char *argv[])
{
int i;
struct test_func *current;
for(i=0; tests[i].func != NULL; i++) {
current = &tests[i];
if (!current->func(NULL)) {
fprintf(stderr, "FAIL: %s\n", current->name);
return EXIT_FAILURE;
} else {
fprintf(stderr, "PASS: %s\n", current->name);
}
}
return EXIT_SUCCESS;
}