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library: document and tests for uptime functions

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man pages for the three procps_uptime* functions and simple
test scripts for same functions.
This commit is contained in:
Craig Small
2016-04-16 22:02:10 +10:00
parent 929ab3ce84
commit 8e20fa7786
6 changed files with 228 additions and 1 deletions
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proc/test_uptime.c Normal file
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/*
* libprocps - Library to read proc filesystem
* Tests for version library calls
*
* Copyright 2016 Craig Small <csmall@enc.com.au>
*
* 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/procps.h>
#include "tests.h"
int check_uptime(void *data)
{
double up=0, idle=0;
int rc;
rc = procps_uptime(&up, &idle);
return (rc > 0 && up > 0 && idle > 0);
}
int check_uptime_nullup(void *data)
{
double idle=0;
int rc;
rc = procps_uptime(NULL, &idle);
return (rc > 0 && idle > 0);
}
int check_uptime_nullidle(void *data)
{
double up=0;
int rc;
rc = procps_uptime(&up, NULL);
return (rc > 0 && up > 0);
}
int check_uptime_nullall(void *data)
{
int rc;
rc = procps_uptime(NULL, NULL);
return (rc > 0);
}
int check_uptime_sprint(void *data)
{
char *str;
str = procps_uptime_sprint();
return (str != NULL && str[0] != '\0');
}
int check_uptime_sprint_short(void *data)
{
char *str;
str = procps_uptime_sprint_short();
return (str != NULL && str[0] != '\0');
}
struct test_func tests[] = {
{ check_uptime, "procps_uptime()"},
{ check_uptime_nullup, "procps_uptime() (up=NULL)"},
{ check_uptime_nullidle, "procps_uptime() (idle=NULL)"},
{ check_uptime_nullall, "procps_uptime() (up,idle=NULL)"},
{ check_uptime_sprint, "procps_uptime_sprint()"},
{ check_uptime_sprint_short, "procps_uptime_sprint_short()"},
{ 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;
}