tests/test-supersede.c

   1 /* Tests for opening a file without destroying an old file with the same name.
   2
   3    Copyright (C) 2020-2024 Free Software Foundation, Inc.
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation, either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 /* Written by Bruno Haible, 2020.  */
  19
  20 #include <config.h>
  21
  22 /* Specification.  */
  23 #include "supersede.h"
  24
  25 #include <errno.h>
  26 #include <fcntl.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <sys/stat.h>
  30 #include <unistd.h>
  31
  32 #include "filenamecat.h"
  33 #include "read-file.h"
  34 #include "macros.h"
  35
  36 /* The name of the "always silent" device.  */
  37 #if defined _WIN32 && ! defined __CYGWIN__
  38 /* Native Windows API.  */
  39 # define DEV_NULL "NUL"
  40 #else
  41 /* Unix API.  */
  42 # define DEV_NULL "/dev/null"
  43 #endif
  44
  45 #include "test-supersede-open.h"
  46 #include "test-supersede-fopen.h"
  47
  48 int
  49 main (void)
  50 {
  51   test_open_supersede (false, false);
  52   test_open_supersede (false, true);
  53   test_open_supersede (true, false);
  54   test_open_supersede (true, true);
  55
  56   test_fopen_supersede (false, false);
  57   test_fopen_supersede (false, true);
  58   test_fopen_supersede (true, false);
  59   test_fopen_supersede (true, true);
  60
  61   return test_exit_status;
  62 }