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       1                 :            : /* Tests of stat.
       2                 :            :    Copyright (C) 2009-2012 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 <http://www.gnu.org/licenses/>.  */
      16                 :            : 
      17                 :            : /* Written by Eric Blake <ebb9@byu.net>, 2009.  */
      18                 :            : 
      19                 :            : /* This file is designed to test both stat(n,buf) and
      20                 :            :    fstatat(AT_FDCWD,n,buf,0).  FUNC is the function to test.  Assumes
      21                 :            :    that BASE and ASSERT are already defined, and that appropriate
      22                 :            :    headers are already included.  If PRINT, warn before skipping
      23                 :            :    symlink tests with status 77.  */
      24                 :            : 
      25                 :            : static int
      26                 :          1 : test_stat_func (int (*func) (char const *, struct stat *), bool print)
      27                 :            : {
      28                 :            :   struct stat st1;
      29                 :            :   struct stat st2;
      30                 :          1 :   char *cwd = getcwd (NULL, 0);
      31                 :            : 
      32         [ -  + ]:          1 :   ASSERT (cwd);
      33         [ -  + ]:          1 :   ASSERT (func (".", &st1) == 0);
      34         [ -  + ]:          1 :   ASSERT (func ("./", &st2) == 0);
      35 [ +  - ][ -  + ]:          1 :   ASSERT (SAME_INODE (st1, st2));
      36         [ -  + ]:          1 :   ASSERT (func (cwd, &st2) == 0);
      37 [ +  - ][ -  + ]:          1 :   ASSERT (SAME_INODE (st1, st2));
      38         [ -  + ]:          1 :   ASSERT (func ("/", &st1) == 0);
      39         [ -  + ]:          1 :   ASSERT (func ("///", &st2) == 0);
      40 [ +  - ][ -  + ]:          1 :   ASSERT (SAME_INODE (st1, st2));
      41                 :            : 
      42                 :          1 :   errno = 0;
      43         [ -  + ]:          1 :   ASSERT (func ("", &st1) == -1);
      44         [ -  + ]:          1 :   ASSERT (errno == ENOENT);
      45                 :          1 :   errno = 0;
      46         [ -  + ]:          1 :   ASSERT (func ("nosuch", &st1) == -1);
      47         [ -  + ]:          1 :   ASSERT (errno == ENOENT);
      48                 :          1 :   errno = 0;
      49         [ -  + ]:          1 :   ASSERT (func ("nosuch/", &st1) == -1);
      50         [ -  + ]:          1 :   ASSERT (errno == ENOENT);
      51                 :            : 
      52         [ -  + ]:          1 :   ASSERT (close (creat (BASE "file", 0600)) == 0);
      53         [ -  + ]:          1 :   ASSERT (func (BASE "file", &st1) == 0);
      54                 :          1 :   errno = 0;
      55         [ -  + ]:          1 :   ASSERT (func (BASE "file/", &st1) == -1);
      56         [ -  + ]:          1 :   ASSERT (errno == ENOTDIR);
      57                 :            : 
      58                 :            :   /* Now for some symlink tests, where supported.  We set up:
      59                 :            :      link1 -> directory
      60                 :            :      link2 -> file
      61                 :            :      link3 -> dangling
      62                 :            :      link4 -> loop
      63                 :            :      then test behavior with trailing slash.
      64                 :            :   */
      65         [ -  + ]:          1 :   if (symlink (".", BASE "link1") != 0)
      66                 :            :     {
      67         [ #  # ]:          0 :       ASSERT (unlink (BASE "file") == 0);
      68         [ #  # ]:          0 :       if (print)
      69                 :          0 :         fputs ("skipping test: symlinks not supported on this file system\n",
      70                 :            :                stderr);
      71                 :          0 :       return 77;
      72                 :            :     }
      73         [ -  + ]:          1 :   ASSERT (symlink (BASE "file", BASE "link2") == 0);
      74         [ -  + ]:          1 :   ASSERT (symlink (BASE "nosuch", BASE "link3") == 0);
      75         [ -  + ]:          1 :   ASSERT (symlink (BASE "link4", BASE "link4") == 0);
      76                 :            : 
      77         [ -  + ]:          1 :   ASSERT (func (BASE "link1/", &st1) == 0);
      78         [ -  + ]:          1 :   ASSERT (S_ISDIR (st1.st_mode));
      79                 :            : 
      80                 :          1 :   errno = 0;
      81         [ -  + ]:          1 :   ASSERT (func (BASE "link2/", &st1) == -1);
      82         [ -  + ]:          1 :   ASSERT (errno == ENOTDIR);
      83                 :            : 
      84                 :          1 :   errno = 0;
      85         [ -  + ]:          1 :   ASSERT (func (BASE "link3/", &st1) == -1);
      86         [ -  + ]:          1 :   ASSERT (errno == ENOENT);
      87                 :            : 
      88                 :          1 :   errno = 0;
      89         [ -  + ]:          1 :   ASSERT (func (BASE "link4/", &st1) == -1);
      90         [ -  + ]:          1 :   ASSERT (errno == ELOOP);
      91                 :            : 
      92                 :            :   /* Cleanup.  */
      93         [ -  + ]:          1 :   ASSERT (unlink (BASE "file") == 0);
      94         [ -  + ]:          1 :   ASSERT (unlink (BASE "link1") == 0);
      95         [ -  + ]:          1 :   ASSERT (unlink (BASE "link2") == 0);
      96         [ -  + ]:          1 :   ASSERT (unlink (BASE "link3") == 0);
      97         [ -  + ]:          1 :   ASSERT (unlink (BASE "link4") == 0);
      98                 :            : 
      99                 :          1 :   return 0;
     100                 :            : }