time/tst-timespec_get.c

   1 /* Basic tests for timespec_get.
   2    Copyright (C) 2021-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   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.
   9
  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.
  14
  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/>.  */
  18
  19 #include <time.h>
  20 #include <support/check.h>
  21
  22 static int
  23 do_test (void)
  24 {
  25   {
  26     struct timespec ts;
  27     TEST_COMPARE (timespec_get (&ts, 0), 0);
  28   }
  29
  30   {
  31     struct timespec ts;
  32     TEST_COMPARE (timespec_get (&ts, TIME_UTC), TIME_UTC);
  33     TEST_VERIFY (ts.tv_nsec >= 0);
  34     TEST_VERIFY (ts.tv_nsec < 1000000000);
  35   }
  36
  37   return 0;
  38 }
  39
  40 #include <support/test-driver.c>