96 lines
2.0 KiB
C
96 lines
2.0 KiB
C
/* Basic tests for timegm.
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Copyright (C) 2021-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <time.h>
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#include <stdlib.h>
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#include <support/check.h>
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static void
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do_test_func (time_t (*func)(struct tm *))
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{
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{
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struct tm tmg =
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{
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.tm_sec = 0,
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.tm_min = 0,
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.tm_hour = 0,
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.tm_mday = 1,
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.tm_mon = 0,
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.tm_year = 70,
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.tm_wday = 4,
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.tm_yday = 0,
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.tm_isdst = 0
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};
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time_t t = func (&tmg);
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TEST_COMPARE (t, 0);
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}
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{
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struct tm tmg =
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{
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.tm_sec = 7,
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.tm_min = 14,
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.tm_hour = 3,
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.tm_mday = 19,
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.tm_mon = 0,
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.tm_year = 138,
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.tm_wday = 2,
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.tm_yday = 18,
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.tm_isdst = 0
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};
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time_t t = func (&tmg);
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TEST_COMPARE (t, 0x7fffffff);
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}
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if (sizeof (time_t) < 8)
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return;
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{
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struct tm tmg =
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{
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.tm_sec = 8,
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.tm_min = 14,
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.tm_hour = 3,
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.tm_mday = 19,
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.tm_mon = 0,
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.tm_year = 138,
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.tm_wday = 2,
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.tm_yday = 18,
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.tm_isdst = 0
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};
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time_t t = func (&tmg);
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TEST_COMPARE (t, (time_t) 0x80000000ull);
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}
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}
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static int
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do_test (void)
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{
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do_test_func (timegm);
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/* timelocal is an alias to mktime and behaves like timegm with the
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difference that it takes timezone into account. */
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TEST_VERIFY_EXIT (setenv ("TZ", ":", 1) == 0);
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tzset ();
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do_test_func (timelocal);
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return 0;
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}
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#include <support/test-driver.c>
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