LCOV - code coverage report
Current view: top level - gltests - test-lstat.h (source / functions) Hit Total Coverage
Test: GNU SASL Lines: 60 64 93.8 %
Date: 2012-05-28 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 54 112 48.2 %

           Branch data     Line data    Source code
       1                 :            : /* Test of lstat() function.
       2                 :            :    Copyright (C) 2008-2012 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 Simon Josefsson, 2008; and Eric Blake, 2009.  */
      18                 :            : 
      19                 :            : /* This file is designed to test both lstat(n,buf) and
      20                 :            :    fstatat(AT_FDCWD,n,buf,AT_SYMLINK_NOFOLLOW).  FUNC is the function
      21                 :            :    to test.  Assumes that BASE and ASSERT are already defined, and
      22                 :            :    that appropriate headers are already included.  If PRINT, warn
      23                 :            :    before skipping symlink tests with status 77.  */
      24                 :            : 
      25                 :            : static int
      26                 :          1 : test_lstat_func (int (*func) (char const *, struct stat *), bool print)
      27                 :            : {
      28                 :            :   struct stat st1;
      29                 :            :   struct stat st2;
      30                 :            : 
      31                 :            :   /* Test for common directories.  */
      32         [ -  + ]:          1 :   ASSERT (func (".", &st1) == 0);
      33         [ -  + ]:          1 :   ASSERT (func ("./", &st2) == 0);
      34 [ +  - ][ -  + ]:          1 :   ASSERT (SAME_INODE (st1, st2));
      35         [ -  + ]:          1 :   ASSERT (S_ISDIR (st1.st_mode));
      36         [ -  + ]:          1 :   ASSERT (S_ISDIR (st2.st_mode));
      37         [ -  + ]:          1 :   ASSERT (func ("/", &st1) == 0);
      38         [ -  + ]:          1 :   ASSERT (func ("///", &st2) == 0);
      39 [ +  - ][ -  + ]:          1 :   ASSERT (SAME_INODE (st1, st2));
      40         [ -  + ]:          1 :   ASSERT (S_ISDIR (st1.st_mode));
      41         [ -  + ]:          1 :   ASSERT (S_ISDIR (st2.st_mode));
      42         [ -  + ]:          1 :   ASSERT (func ("..", &st1) == 0);
      43         [ -  + ]:          1 :   ASSERT (S_ISDIR (st1.st_mode));
      44                 :            : 
      45                 :            :   /* Test for error conditions.  */
      46                 :          1 :   errno = 0;
      47         [ -  + ]:          1 :   ASSERT (func ("", &st1) == -1);
      48         [ -  + ]:          1 :   ASSERT (errno == ENOENT);
      49                 :          1 :   errno = 0;
      50         [ -  + ]:          1 :   ASSERT (func ("nosuch", &st1) == -1);
      51         [ -  + ]:          1 :   ASSERT (errno == ENOENT);
      52                 :          1 :   errno = 0;
      53         [ -  + ]:          1 :   ASSERT (func ("nosuch/", &st1) == -1);
      54         [ -  + ]:          1 :   ASSERT (errno == ENOENT);
      55                 :            : 
      56         [ -  + ]:          1 :   ASSERT (close (creat (BASE "file", 0600)) == 0);
      57         [ -  + ]:          1 :   ASSERT (func (BASE "file", &st1) == 0);
      58         [ -  + ]:          1 :   ASSERT (S_ISREG (st1.st_mode));
      59                 :          1 :   errno = 0;
      60         [ -  + ]:          1 :   ASSERT (func (BASE "file/", &st1) == -1);
      61         [ -  + ]:          1 :   ASSERT (errno == ENOTDIR);
      62                 :            : 
      63                 :            :   /* Now for some symlink tests, where supported.  We set up:
      64                 :            :      link1 -> directory
      65                 :            :      link2 -> file
      66                 :            :      link3 -> dangling
      67                 :            :      link4 -> loop
      68                 :            :      then test behavior both with and without trailing slash.
      69                 :            :   */
      70         [ -  + ]:          1 :   if (symlink (".", BASE "link1") != 0)
      71                 :            :     {
      72         [ #  # ]:          0 :       ASSERT (unlink (BASE "file") == 0);
      73         [ #  # ]:          0 :       if (print)
      74                 :          0 :         fputs ("skipping test: symlinks not supported on this file system\n",
      75                 :            :                stderr);
      76                 :          0 :       return 77;
      77                 :            :     }
      78         [ -  + ]:          1 :   ASSERT (symlink (BASE "file", BASE "link2") == 0);
      79         [ -  + ]:          1 :   ASSERT (symlink (BASE "nosuch", BASE "link3") == 0);
      80         [ -  + ]:          1 :   ASSERT (symlink (BASE "link4", BASE "link4") == 0);
      81                 :            : 
      82         [ -  + ]:          1 :   ASSERT (func (BASE "link1", &st1) == 0);
      83         [ -  + ]:          1 :   ASSERT (S_ISLNK (st1.st_mode));
      84         [ -  + ]:          1 :   ASSERT (func (BASE "link1/", &st1) == 0);
      85         [ -  + ]:          1 :   ASSERT (stat (BASE "link1", &st2) == 0);
      86         [ -  + ]:          1 :   ASSERT (S_ISDIR (st1.st_mode));
      87         [ -  + ]:          1 :   ASSERT (S_ISDIR (st2.st_mode));
      88 [ +  - ][ -  + ]:          1 :   ASSERT (SAME_INODE (st1, st2));
      89                 :            : 
      90         [ -  + ]:          1 :   ASSERT (func (BASE "link2", &st1) == 0);
      91         [ -  + ]:          1 :   ASSERT (S_ISLNK (st1.st_mode));
      92                 :          1 :   errno = 0;
      93         [ -  + ]:          1 :   ASSERT (func (BASE "link2/", &st1) == -1);
      94         [ -  + ]:          1 :   ASSERT (errno == ENOTDIR);
      95                 :            : 
      96         [ -  + ]:          1 :   ASSERT (func (BASE "link3", &st1) == 0);
      97         [ -  + ]:          1 :   ASSERT (S_ISLNK (st1.st_mode));
      98                 :          1 :   errno = 0;
      99         [ -  + ]:          1 :   ASSERT (func (BASE "link3/", &st1) == -1);
     100         [ -  + ]:          1 :   ASSERT (errno == ENOENT);
     101                 :            : 
     102         [ -  + ]:          1 :   ASSERT (func (BASE "link4", &st1) == 0);
     103         [ -  + ]:          1 :   ASSERT (S_ISLNK (st1.st_mode));
     104                 :          1 :   errno = 0;
     105         [ -  + ]:          1 :   ASSERT (func (BASE "link4/", &st1) == -1);
     106         [ -  + ]:          1 :   ASSERT (errno == ELOOP);
     107                 :            : 
     108                 :            :   /* Cleanup.  */
     109         [ -  + ]:          1 :   ASSERT (unlink (BASE "file") == 0);
     110         [ -  + ]:          1 :   ASSERT (unlink (BASE "link1") == 0);
     111         [ -  + ]:          1 :   ASSERT (unlink (BASE "link2") == 0);
     112         [ -  + ]:          1 :   ASSERT (unlink (BASE "link3") == 0);
     113         [ -  + ]:          1 :   ASSERT (unlink (BASE "link4") == 0);
     114                 :            : 
     115                 :          1 :   return 0;
     116                 :            : }

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