diff options
Diffstat (limited to 'time/tst-y2039.c')
| -rw-r--r-- | time/tst-y2039.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/time/tst-y2039.c b/time/tst-y2039.c new file mode 100644 index 0000000000..cdc6bca54b --- /dev/null +++ b/time/tst-y2039.c @@ -0,0 +1,46 @@ +/* Test for localtime bug in year 2039 (bug 22639). + Copyright (C) 2017-2018 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 + <http://www.gnu.org/licenses/>. */ + +#include <time.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <support/check.h> + +static int +do_test (void) +{ + TEST_VERIFY_EXIT (setenv ("TZ", "PST8PDT,M3.2.0,M11.1.0", 1) == 0); + tzset (); + if (sizeof (time_t) > 4) + { + time_t ouch = (time_t) 2187810000LL; + char buf[500]; + struct tm *tm = localtime (&ouch); + TEST_VERIFY_EXIT (tm != NULL); + TEST_VERIFY_EXIT (strftime (buf, sizeof buf, "%Y-%m-%d %H:%M:%S %Z", tm) + > 0); + puts (buf); + TEST_VERIFY (strcmp (buf, "2039-04-30 14:00:00 PDT") == 0); + } + else + FAIL_UNSUPPORTED ("32-bit time_t"); + return 0; +} + +#include <support/test-driver.c> |