mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 06:20:06 +00:00
96f98cefe0
Checked on x86_64-linux-gnu and i686-linux-gnu. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
125 lines
3.7 KiB
C
125 lines
3.7 KiB
C
/* Basic tests for gmtime.
|
|
Copyright (C) 2021 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 <stdlib.h>
|
|
#include <support/check.h>
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
/* Check if the epoch time can be converted. */
|
|
{
|
|
time_t t = 0;
|
|
struct tm *tmg = gmtime (&t);
|
|
TEST_COMPARE (tmg->tm_sec, 0);
|
|
TEST_COMPARE (tmg->tm_min, 0);
|
|
TEST_COMPARE (tmg->tm_hour, 0);
|
|
TEST_COMPARE (tmg->tm_mday, 1);
|
|
TEST_COMPARE (tmg->tm_mon, 0);
|
|
TEST_COMPARE (tmg->tm_year, 70);
|
|
TEST_COMPARE (tmg->tm_wday, 4);
|
|
TEST_COMPARE (tmg->tm_yday, 0);
|
|
TEST_COMPARE (tmg->tm_isdst, 0);
|
|
}
|
|
{
|
|
/* Same as before but with gmtime_r. */
|
|
time_t t = 0;
|
|
struct tm tms;
|
|
struct tm *tmg = gmtime_r (&t, &tms);
|
|
TEST_VERIFY (tmg == &tms);
|
|
TEST_COMPARE (tmg->tm_sec, 0);
|
|
TEST_COMPARE (tmg->tm_min, 0);
|
|
TEST_COMPARE (tmg->tm_hour, 0);
|
|
TEST_COMPARE (tmg->tm_mday, 1);
|
|
TEST_COMPARE (tmg->tm_mon, 0);
|
|
TEST_COMPARE (tmg->tm_year, 70);
|
|
TEST_COMPARE (tmg->tm_wday, 4);
|
|
TEST_COMPARE (tmg->tm_yday, 0);
|
|
TEST_COMPARE (tmg->tm_isdst, 0);
|
|
}
|
|
|
|
/* Check if the max time value for 32 bit time_t can be converted. */
|
|
{
|
|
time_t t = 0x7fffffff;
|
|
struct tm *tmg = gmtime (&t);
|
|
TEST_COMPARE (tmg->tm_sec, 7);
|
|
TEST_COMPARE (tmg->tm_min, 14);
|
|
TEST_COMPARE (tmg->tm_hour, 3);
|
|
TEST_COMPARE (tmg->tm_mday, 19);
|
|
TEST_COMPARE (tmg->tm_mon, 0);
|
|
TEST_COMPARE (tmg->tm_year, 138);
|
|
TEST_COMPARE (tmg->tm_wday, 2);
|
|
TEST_COMPARE (tmg->tm_yday, 18);
|
|
TEST_COMPARE (tmg->tm_isdst, 0);
|
|
}
|
|
{
|
|
/* Same as before but with ctime_r. */
|
|
time_t t = 0x7fffffff;
|
|
struct tm tms;
|
|
struct tm *tmg = gmtime_r (&t, &tms);
|
|
TEST_VERIFY (tmg == &tms);
|
|
TEST_COMPARE (tmg->tm_sec, 7);
|
|
TEST_COMPARE (tmg->tm_min, 14);
|
|
TEST_COMPARE (tmg->tm_hour, 3);
|
|
TEST_COMPARE (tmg->tm_mday, 19);
|
|
TEST_COMPARE (tmg->tm_mon, 0);
|
|
TEST_COMPARE (tmg->tm_year, 138);
|
|
TEST_COMPARE (tmg->tm_wday, 2);
|
|
TEST_COMPARE (tmg->tm_yday, 18);
|
|
TEST_COMPARE (tmg->tm_isdst, 0);
|
|
}
|
|
|
|
if (sizeof (time_t) < 8)
|
|
return 0;
|
|
|
|
{
|
|
time_t t = (time_t) 0x80000000ull;
|
|
struct tm *tmg = gmtime (&t);
|
|
TEST_COMPARE (tmg->tm_sec, 8);
|
|
TEST_COMPARE (tmg->tm_min, 14);
|
|
TEST_COMPARE (tmg->tm_hour, 3);
|
|
TEST_COMPARE (tmg->tm_mday, 19);
|
|
TEST_COMPARE (tmg->tm_mon, 0);
|
|
TEST_COMPARE (tmg->tm_year, 138);
|
|
TEST_COMPARE (tmg->tm_wday, 2);
|
|
TEST_COMPARE (tmg->tm_yday, 18);
|
|
TEST_COMPARE (tmg->tm_isdst, 0);
|
|
}
|
|
|
|
{
|
|
time_t t = (time_t) 0x80000000ull;
|
|
struct tm tms;
|
|
struct tm *tmg = gmtime_r (&t, &tms);
|
|
TEST_VERIFY (tmg == &tms);
|
|
TEST_COMPARE (tmg->tm_sec, 8);
|
|
TEST_COMPARE (tmg->tm_min, 14);
|
|
TEST_COMPARE (tmg->tm_hour, 3);
|
|
TEST_COMPARE (tmg->tm_mday, 19);
|
|
TEST_COMPARE (tmg->tm_mon, 0);
|
|
TEST_COMPARE (tmg->tm_year, 138);
|
|
TEST_COMPARE (tmg->tm_wday, 2);
|
|
TEST_COMPARE (tmg->tm_yday, 18);
|
|
TEST_COMPARE (tmg->tm_isdst, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|