/* 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>