blob: 406e3066535a4c98cd9de36b1ab99bc7b65aacca [file] [log] [blame]
/*
* Copyright 2014 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <time.h>
#include <errno.h>
#include <stdio.h>
int main() {
clockid_t clocks[] = { CLOCK_REALTIME, CLOCK_MONOTONIC };
for (int i = 0; i < (int)(sizeof(clocks)/sizeof(*clocks)); ++i) {
printf("%sTests for clockid_t=%d\n-----------------\n",
i == 0 ? "" : "\n", clocks[i]);
struct timespec ts;
int rv = clock_getres(clocks[i], &ts);
if (rv)
printf("clock_getres failed\n");
else if (ts.tv_sec || ts.tv_nsec > 50000000)
printf("clock_getres resolution not enough (%ld.%09ld)\n",
(long)ts.tv_sec, ts.tv_nsec);
else
printf("clock_getres resolution OK\n");
rv = clock_gettime(clocks[i], &ts);
printf(rv ? "clock_gettime failed\n" : "clock_gettime OK\n");
errno = 0;
if (clock_settime(clocks[i], &ts) == 0)
printf("clock_settime should have failed\n");
else if (errno == EPERM && clocks[i] == CLOCK_REALTIME)
printf("clock_settime failed with EPERM (OK)\n");
else if (errno == EINVAL && clocks[i] == CLOCK_MONOTONIC)
printf("clock_settime failed with EINVAL (OK)\n");
else
printf("clock_settime failed with wrong error code\n");
}
clockid_t bogus = 42;
struct timespec ts;
printf("\nTests for clockid_t=%d\n-----------------\n", bogus);
if (clock_gettime(bogus, &ts) == 0 || errno != EINVAL)
printf("clock_gettime should have failed\n");
else
printf("clock_gettime failed with EINVAL (OK)\n");
if (clock_getres(bogus, &ts) == 0 || errno != EINVAL)
printf("clock_getres should have failed\n");
else
printf("clock_getres failed with EINVAL (OK)\n");
if (clock_settime(bogus, &ts) == 0 || errno != EINVAL)
printf("clock_settime should have failed\n");
else
printf("clock_settime failed with EINVAL (OK)\n");
return 0;
}