mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 19:23:34 +08:00
Add tests of time, gettimeofday, clock_gettime
There are no tests specifically focused on the functions time, gettimeofday and clock_gettime, although there are some incidental uses in tests of other functions. Add tests specifically for these three functions. Tested for x86_64 and x86.
This commit is contained in:
Joseph Myers
parent
36b549924b
commit
e5ea9aef54
@ -53,6 +53,7 @@ tests := \
|
||||
tst-adjtime \
|
||||
tst-clock \
|
||||
tst-clock2 \
|
||||
tst-clock_gettime \
|
||||
tst-clock_nanosleep \
|
||||
tst-clock_settime \
|
||||
tst-cpuclock1 \
|
||||
@ -61,6 +62,7 @@ tests := \
|
||||
tst-ftime \
|
||||
tst-ftime_l \
|
||||
tst-getdate \
|
||||
tst-gettimeofday \
|
||||
tst-gmtime \
|
||||
tst-itimer \
|
||||
tst-mktime \
|
||||
@ -77,6 +79,7 @@ tests := \
|
||||
tst-strptime-whitespace \
|
||||
tst-strptime2 \
|
||||
tst-strptime3 \
|
||||
tst-time \
|
||||
tst-timegm \
|
||||
tst-timespec_get \
|
||||
tst-timespec_getres \
|
||||
@ -90,16 +93,19 @@ tests-time64 := \
|
||||
tst-adjtime-time64 \
|
||||
tst-clock-time64 \
|
||||
tst-clock2-time64 \
|
||||
tst-clock_gettime-time64 \
|
||||
tst-clock_nanosleep-time64 \
|
||||
tst-clock_settime-time64 \
|
||||
tst-cpuclock1-time64 \
|
||||
tst-ctime-time64 \
|
||||
tst-difftime-time64 \
|
||||
tst-gettimeofday-time64 \
|
||||
tst-gmtime-time64 \
|
||||
tst-itimer-time64 \
|
||||
tst-mktime4-time64 \
|
||||
tst-settimeofday-time64 \
|
||||
tst-strftime4-time64 \
|
||||
tst-time-time64 \
|
||||
tst-timegm-time64 \
|
||||
tst-timespec_get-time64 \
|
||||
tst-timespec_getres-time64 \
|
||||
|
||||
1
time/tst-clock_gettime-time64.c
Normal file
1
time/tst-clock_gettime-time64.c
Normal file
@ -0,0 +1 @@
|
||||
#include "tst-clock_gettime.c"
|
||||
184
time/tst-clock_gettime.c
Normal file
184
time/tst-clock_gettime.c
Normal file
@ -0,0 +1,184 @@
|
||||
/* Test clock_gettime function.
|
||||
Copyright (C) 2024 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C 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.
|
||||
|
||||
The GNU C 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 the GNU C Library; if not, see
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdio.h>
|
||||
#include <time.h>
|
||||
|
||||
#include <support/check.h>
|
||||
#include <support/test-driver.h>
|
||||
#include <support/xsignal.h>
|
||||
|
||||
/* Compare two struct timespec values, returning a value -1, 0 or 1. */
|
||||
|
||||
int
|
||||
compare_timespec (const struct timespec *tv1, const struct timespec *tv2)
|
||||
{
|
||||
if (tv1->tv_sec < tv2->tv_sec)
|
||||
return -1;
|
||||
if (tv1->tv_sec > tv2->tv_sec)
|
||||
return 1;
|
||||
if (tv1->tv_nsec < tv2->tv_nsec)
|
||||
return -1;
|
||||
if (tv1->tv_nsec > tv2->tv_nsec)
|
||||
return 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
struct test_clockid
|
||||
{
|
||||
clockid_t clockid;
|
||||
const char *name;
|
||||
bool is_cputime;
|
||||
bool fail_ok;
|
||||
};
|
||||
|
||||
#define CLOCK(clockid) { clockid, # clockid, false, false }
|
||||
#define CLOCK_CPU(clockid) { clockid, # clockid, true, false }
|
||||
#define CLOCK_FAIL_OK(clockid) { clockid, # clockid, false, true }
|
||||
|
||||
static const struct test_clockid clocks[] =
|
||||
{
|
||||
CLOCK (CLOCK_REALTIME),
|
||||
#ifdef CLOCK_MONOTONIC
|
||||
CLOCK (CLOCK_MONOTONIC),
|
||||
#endif
|
||||
#ifdef CLOCK_PROCESS_CPUTIME_ID
|
||||
CLOCK_CPU (CLOCK_PROCESS_CPUTIME_ID),
|
||||
#endif
|
||||
#ifdef CLOCK_THREAD_CPUTIME_ID
|
||||
CLOCK_CPU (CLOCK_THREAD_CPUTIME_ID),
|
||||
#endif
|
||||
#ifdef CLOCK_MONOTONIC_RAW
|
||||
CLOCK (CLOCK_MONOTONIC_RAW),
|
||||
#endif
|
||||
#ifdef CLOCK_REALTIME_COARSE
|
||||
CLOCK (CLOCK_REALTIME_COARSE),
|
||||
#endif
|
||||
#ifdef CLOCK_MONOTONIC_COARSE
|
||||
CLOCK (CLOCK_MONOTONIC_COARSE),
|
||||
#endif
|
||||
#ifdef CLOCK_BOOTTIME
|
||||
CLOCK (CLOCK_BOOTTIME),
|
||||
#endif
|
||||
#ifdef CLOCK_REALTIME_ALARM
|
||||
CLOCK_FAIL_OK (CLOCK_REALTIME_ALARM),
|
||||
#endif
|
||||
#ifdef CLOCK_BOOTTIME_ALARM
|
||||
CLOCK_FAIL_OK (CLOCK_BOOTTIME_ALARM),
|
||||
#endif
|
||||
#ifdef CLOCK_TAI
|
||||
CLOCK (CLOCK_TAI),
|
||||
#endif
|
||||
};
|
||||
|
||||
|
||||
volatile int sigalrm_received;
|
||||
|
||||
void
|
||||
handle_sigalrm (int sig)
|
||||
{
|
||||
sigalrm_received = 1;
|
||||
}
|
||||
|
||||
int
|
||||
do_test (void)
|
||||
{
|
||||
/* Verify that the calls to clock_gettime succeed, that the time does
|
||||
not decrease, and that time returns a truncated (not rounded)
|
||||
version of the time. */
|
||||
for (size_t i = 0; i < sizeof clocks / sizeof clocks[0]; i++)
|
||||
{
|
||||
printf ("testing %s\n", clocks[i].name);
|
||||
struct timespec ts1, ts2, ts3;
|
||||
int ret;
|
||||
time_t t1;
|
||||
t1 = time (NULL);
|
||||
TEST_VERIFY_EXIT (t1 != (time_t) -1);
|
||||
ret = clock_gettime (clocks[i].clockid, &ts1);
|
||||
if (clocks[i].fail_ok && ret == -1)
|
||||
{
|
||||
printf ("failed (OK for this clock): %m\n");
|
||||
continue;
|
||||
}
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
if (clocks[i].clockid == CLOCK_REALTIME)
|
||||
TEST_VERIFY (t1 <= ts1.tv_sec);
|
||||
TEST_VERIFY (ts1.tv_nsec >= 0);
|
||||
TEST_VERIFY (ts1.tv_nsec < 1000000000);
|
||||
ret = clock_gettime (clocks[i].clockid, &ts2);
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
TEST_VERIFY (compare_timespec (&ts1, &ts2) <= 0);
|
||||
TEST_VERIFY (ts2.tv_nsec >= 0);
|
||||
TEST_VERIFY (ts2.tv_nsec < 1000000000);
|
||||
/* Also verify that after sleeping, the time returned has
|
||||
increased. Repeat several times to verify that each time,
|
||||
the time from the time function is truncated not rounded.
|
||||
For CPU time clocks, the time spent spinning on the CPU, and
|
||||
so whether we end in the later half of a second, is not
|
||||
predictable; thus, only test once for those clocks. */
|
||||
const struct timespec duration = { .tv_nsec = 100000000 };
|
||||
for (int j = 0; j < 5; j++)
|
||||
{
|
||||
if (clocks[i].is_cputime)
|
||||
{
|
||||
timer_t timer;
|
||||
ret = timer_create (CLOCK_PROCESS_CPUTIME_ID, NULL, &timer);
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
sigalrm_received = 0;
|
||||
xsignal (SIGALRM, handle_sigalrm);
|
||||
struct itimerspec t =
|
||||
{ .it_value =
|
||||
{
|
||||
.tv_sec = 0,
|
||||
.tv_nsec = 200000000
|
||||
}
|
||||
};
|
||||
ret = timer_settime (timer, 0, &t, NULL);
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
while (sigalrm_received == 0)
|
||||
;
|
||||
xsignal (SIGALRM, SIG_DFL);
|
||||
ret = timer_delete (timer);
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
ret = nanosleep (&duration, NULL);
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
}
|
||||
t1 = time (NULL);
|
||||
TEST_VERIFY_EXIT (t1 != (time_t) -1);
|
||||
ret = clock_gettime (clocks[i].clockid, &ts3);
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
TEST_VERIFY (compare_timespec (&ts2, &ts3) < 0);
|
||||
if (clocks[i].clockid == CLOCK_REALTIME)
|
||||
TEST_VERIFY (t1 <= ts3.tv_sec);
|
||||
TEST_VERIFY (ts3.tv_nsec >= 0);
|
||||
TEST_VERIFY (ts3.tv_nsec < 1000000000);
|
||||
ts2 = ts3;
|
||||
if (clocks[i].is_cputime)
|
||||
break;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define TIMEOUT 60
|
||||
|
||||
#include <support/test-driver.c>
|
||||
1
time/tst-gettimeofday-time64.c
Normal file
1
time/tst-gettimeofday-time64.c
Normal file
@ -0,0 +1 @@
|
||||
#include "tst-gettimeofday.c"
|
||||
93
time/tst-gettimeofday.c
Normal file
93
time/tst-gettimeofday.c
Normal file
@ -0,0 +1,93 @@
|
||||
/* Test gettimeofday function.
|
||||
Copyright (C) 2024 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C 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.
|
||||
|
||||
The GNU C 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 the GNU C Library; if not, see
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <sys/time.h>
|
||||
#include <time.h>
|
||||
|
||||
#include <support/check.h>
|
||||
#include <support/test-driver.h>
|
||||
|
||||
/* Compare two struct timeval values, returning a value -1, 0 or 1. */
|
||||
|
||||
int
|
||||
compare_timeval (const struct timeval *tv1, const struct timeval *tv2)
|
||||
{
|
||||
if (tv1->tv_sec < tv2->tv_sec)
|
||||
return -1;
|
||||
if (tv1->tv_sec > tv2->tv_sec)
|
||||
return 1;
|
||||
if (tv1->tv_usec < tv2->tv_usec)
|
||||
return -1;
|
||||
if (tv1->tv_usec > tv2->tv_usec)
|
||||
return 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
do_test (void)
|
||||
{
|
||||
struct timeval tv1, tv2, tv3;
|
||||
int ret;
|
||||
time_t t1;
|
||||
/* Verify that the calls to gettimeofday succeed, that the time does
|
||||
not decrease, and that time returns a truncated (not rounded)
|
||||
version of the time. */
|
||||
t1 = time (NULL);
|
||||
TEST_VERIFY_EXIT (t1 != (time_t) -1);
|
||||
ret = gettimeofday (&tv1, NULL);
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
TEST_VERIFY (t1 <= tv1.tv_sec);
|
||||
TEST_VERIFY (tv1.tv_usec >= 0);
|
||||
TEST_VERIFY (tv1.tv_usec < 1000000);
|
||||
ret = gettimeofday (&tv2, NULL);
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
TEST_VERIFY (compare_timeval (&tv1, &tv2) <= 0);
|
||||
TEST_VERIFY (tv2.tv_usec >= 0);
|
||||
TEST_VERIFY (tv2.tv_usec < 1000000);
|
||||
/* Also verify that after sleeping, the time returned has increased.
|
||||
Repeat several times to verify that each time, the time from the
|
||||
time function is truncated not rounded. */
|
||||
const struct timespec duration = { .tv_nsec = 100000000 };
|
||||
for (int i = 0; i < 10; i++)
|
||||
{
|
||||
ret = nanosleep (&duration, NULL);
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
t1 = time (NULL);
|
||||
TEST_VERIFY_EXIT (t1 != (time_t) -1);
|
||||
ret = gettimeofday (&tv3, NULL);
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
TEST_VERIFY (compare_timeval (&tv2, &tv3) < 0);
|
||||
TEST_VERIFY (t1 <= tv3.tv_sec);
|
||||
TEST_VERIFY (tv3.tv_usec >= 0);
|
||||
TEST_VERIFY (tv3.tv_usec < 1000000);
|
||||
tv2 = tv3;
|
||||
}
|
||||
/* Also test with the obsolete tz argument not being NULL. */
|
||||
struct timezone tz = { 0 };
|
||||
t1 = time (NULL);
|
||||
TEST_VERIFY_EXIT (t1 != (time_t) -1);
|
||||
ret = gettimeofday (&tv3, &tz);
|
||||
TEST_VERIFY_EXIT (ret == 0);
|
||||
TEST_VERIFY (t1 <= tv3.tv_sec);
|
||||
TEST_VERIFY (compare_timeval (&tv2, &tv3) <= 0);
|
||||
TEST_VERIFY (tv3.tv_usec >= 0);
|
||||
TEST_VERIFY (tv3.tv_usec < 1000000);
|
||||
return 0;
|
||||
}
|
||||
|
||||
#include <support/test-driver.c>
|
||||
1
time/tst-time-time64.c
Normal file
1
time/tst-time-time64.c
Normal file
@ -0,0 +1 @@
|
||||
#include "tst-time.c"
|
||||
51
time/tst-time.c
Normal file
51
time/tst-time.c
Normal file
@ -0,0 +1,51 @@
|
||||
/* Test time function.
|
||||
Copyright (C) 2024 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C 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.
|
||||
|
||||
The GNU C 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 the GNU C Library; if not, see
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <time.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <support/check.h>
|
||||
#include <support/test-driver.h>
|
||||
|
||||
int
|
||||
do_test (void)
|
||||
{
|
||||
time_t t1, t2, t3, t4, t5, t6;
|
||||
/* Verify that the calls to time succeed, that the value returned
|
||||
directly equals that returned through the pointer passed, and
|
||||
that the time does not decrease. */
|
||||
t1 = time (&t2);
|
||||
TEST_VERIFY_EXIT (t1 != (time_t) -1);
|
||||
TEST_VERIFY (t1 == t2);
|
||||
t3 = time (NULL);
|
||||
TEST_VERIFY_EXIT (t3 != (time_t) -1);
|
||||
TEST_VERIFY (t3 >= t1);
|
||||
/* Also verify that after sleeping, the time returned has
|
||||
increased. */
|
||||
sleep (2);
|
||||
t4 = time (&t5);
|
||||
TEST_VERIFY_EXIT (t4 != (time_t) -1);
|
||||
TEST_VERIFY (t4 == t5);
|
||||
TEST_VERIFY (t4 > t3);
|
||||
t6 = time (NULL);
|
||||
TEST_VERIFY_EXIT (t6 != (time_t) -1);
|
||||
TEST_VERIFY (t6 >= t4);
|
||||
return 0;
|
||||
}
|
||||
|
||||
#include <support/test-driver.c>
|
||||
Loading…
Reference in New Issue
Block a user