1 /* Basic tests for timegm.
2 Copyright (C) 2021-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
21 #include <support/check.h>
24 do_test_func (time_t (*func)(struct tm *))
39 time_t t = func (&tmg);
56 time_t t = func (&tmg);
57 TEST_COMPARE (t, 0x7fffffff);
60 if (sizeof (time_t) < 8)
76 time_t t = func (&tmg);
77 TEST_COMPARE (t, (time_t) 0x80000000ull);
84 do_test_func (timegm);
86 /* timelocal is an alias to mktime and behaves like timegm with the
87 difference that it takes timezone into account. */
88 TEST_VERIFY_EXIT (setenv ("TZ", ":", 1) == 0);
90 do_test_func (timelocal);
95 #include <support/test-driver.c>