timezone/tst-bz28707.c

   1 /* Copyright (C) 2021-2023 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <time.h>
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22
  23 /* Test that we can use a truncated timezone-file, where the time-type
  24    at index 0 is not indexed by the transition-types array (and the
  25    transition-types array does not contain at least both one DST and one
  26    normal time members).  */
  27
  28 static int
  29 do_test (void)
  30 {
  31   if (setenv ("TZ", "XT5", 1))
  32     {
  33       puts ("setenv failed.");
  34       return 1;
  35     }
  36
  37   tzset ();
  38
  39   return
  40     /* Sanity-check that we got the right timezone-name for DST.  For
  41        normal time, we're likely to get "-00" (the "unspecified" marker),
  42        even though the POSIX timezone string says "-04".  Let's not test
  43        that.  */
  44     !(strcmp (tzname[1], "-03") == 0);
  45 }
  46 #include <support/test-driver.c>