tests/test-creat.c

   1 /* Test of creating a file.
   2    Copyright (C) 2007-2024 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 #include <config.h>
  18
  19 #include <fcntl.h>
  20
  21 #include "signature.h"
  22 SIGNATURE_CHECK (creat, int, (const char *, mode_t));
  23
  24 #include <errno.h>
  25 #include <stdio.h>
  26 #include <unistd.h>
  27
  28 #include "macros.h"
  29
  30 #define BASE "test-creat.t"
  31
  32 int
  33 main (void)
  34 {
  35   int fd;
  36
  37   /* Remove anything from prior partial run.  */
  38   unlink (BASE "file");
  39   unlink (BASE "e.exe");
  40
  41   /* Cannot create directory.  */
  42   errno = 0;
  43   ASSERT (creat ("nonexist.ent/", 0600) == -1);
  44   ASSERT (errno == ENOTDIR || errno == EISDIR || errno == ENOENT
  45           || errno == EINVAL);
  46
  47   /* Create a regular file.  */
  48   fd = creat (BASE "file", 0600);
  49   ASSERT (0 <= fd);
  50   ASSERT (close (fd) == 0);
  51
  52   /* Create an executable regular file.  */
  53   fd = creat (BASE "e.exe", 0700);
  54   ASSERT (0 <= fd);
  55   ASSERT (close (fd) == 0);
  56
  57   /* Cleanup.  */
  58   ASSERT (unlink (BASE "file") == 0);
  59   ASSERT (unlink (BASE "e.exe") == 0);
  60
  61   return test_exit_status;
  62 }