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test-stat.h

/* -*- buffer-read-only: t -*- vi: set ro: */
/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
#line 1
/* Tests of stat.
   Copyright (C) 2009 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Written by Eric Blake <ebb9@byu.net>, 2009.  */

/* This file is designed to test both stat(n,buf) and
   fstatat(AT_FDCWD,n,buf,0).  FUNC is the function to test.  Assumes
   that BASE and ASSERT are already defined, and that appropriate
   headers are already included.  If PRINT, warn before skipping
   symlink tests with status 77.  */

static int
test_stat_func (int (*func) (char const *, struct stat *), bool print)
{
  struct stat st1;
  struct stat st2;
  char cwd[PATH_MAX];

  ASSERT (getcwd (cwd, PATH_MAX) == cwd);
  ASSERT (func (".", &st1) == 0);
  ASSERT (func ("./", &st2) == 0);
  ASSERT (SAME_INODE (st1, st2));
  ASSERT (func (cwd, &st2) == 0);
  ASSERT (SAME_INODE (st1, st2));
  ASSERT (func ("/", &st1) == 0);
  ASSERT (func ("///", &st2) == 0);
  ASSERT (SAME_INODE (st1, st2));

  errno = 0;
  ASSERT (func ("", &st1) == -1);
  ASSERT (errno == ENOENT);
  errno = 0;
  ASSERT (func ("nosuch", &st1) == -1);
  ASSERT (errno == ENOENT);
  errno = 0;
  ASSERT (func ("nosuch/", &st1) == -1);
  ASSERT (errno == ENOENT);

  ASSERT (close (creat (BASE "file", 0600)) == 0);
  ASSERT (func (BASE "file", &st1) == 0);
  errno = 0;
  ASSERT (func (BASE "file/", &st1) == -1);
  ASSERT (errno == ENOTDIR);

  /* Now for some symlink tests, where supported.  We set up:
     link1 -> directory
     link2 -> file
     link3 -> dangling
     link4 -> loop
     then test behavior with trailing slash.
  */
  if (symlink (".", BASE "link1") != 0)
    {
      ASSERT (unlink (BASE "file") == 0);
      if (print)
        fputs ("skipping test: symlinks not supported on this file system\n",
               stderr);
      return 77;
    }
  ASSERT (symlink (BASE "file", BASE "link2") == 0);
  ASSERT (symlink (BASE "nosuch", BASE "link3") == 0);
  ASSERT (symlink (BASE "link4", BASE "link4") == 0);

  ASSERT (func (BASE "link1/", &st1) == 0);
  ASSERT (S_ISDIR (st1.st_mode));

  errno = 0;
  ASSERT (func (BASE "link2/", &st1) == -1);
  ASSERT (errno == ENOTDIR);

  errno = 0;
  ASSERT (func (BASE "link3/", &st1) == -1);
  ASSERT (errno == ENOENT);

  errno = 0;
  ASSERT (func (BASE "link4/", &st1) == -1);
  ASSERT (errno == ELOOP);

  /* Cleanup.  */
  ASSERT (unlink (BASE "file") == 0);
  ASSERT (unlink (BASE "link1") == 0);
  ASSERT (unlink (BASE "link2") == 0);
  ASSERT (unlink (BASE "link3") == 0);
  ASSERT (unlink (BASE "link4") == 0);

  return 0;
}

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