tests/test-getumask.c

   1 /* Test of retrieving the umask of the process.
   2    Copyright (C) 2020-2021 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program 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
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible.  */
  18
  19 #include <config.h>
  20
  21 #include <sys/stat.h>
  22
  23 #include "signature.h"
  24 SIGNATURE_CHECK (getumask, mode_t, (void));
  25
  26 #include "macros.h"
  27
  28 int
  29 main (void)
  30 {
  31   int mask;
  32
  33   mask = getumask ();
  34   ASSERT (mask >= 0);
  35
  36 #if !ASSUME_UMASK_CONSTANT
  37   /* These tests fail if the umask is required to not change.  */
  38
  39   umask (002);
  40
  41   mask = getumask ();
  42   ASSERT (mask == 002);
  43
  44   umask (077);
  45
  46   mask = getumask ();
  47   ASSERT (mask == 077);
  48
  49 #endif
  50
  51   return 0;
  52 }