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102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
/* Tests of stat.
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Copyright (C) 2009-2017 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Written by Eric Blake <ebb9@byu.net>, 2009. */
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/* This file is designed to test both stat(n,buf) and
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fstatat(AT_FDCWD,n,buf,0). FUNC is the function to test. Assumes
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that BASE and ASSERT are already defined, and that appropriate
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headers are already included. If PRINT, warn before skipping
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symlink tests with status 77. */
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static int
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test_stat_func (int (*func) (char const *, struct stat *), bool print)
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{
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struct stat st1;
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struct stat st2;
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char *cwd = getcwd (NULL, 0);
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ASSERT (cwd);
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ASSERT (func (".", &st1) == 0);
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ASSERT (func ("./", &st2) == 0);
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ASSERT (SAME_INODE (st1, st2));
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ASSERT (func (cwd, &st2) == 0);
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ASSERT (SAME_INODE (st1, st2));
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ASSERT (func ("/", &st1) == 0);
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ASSERT (func ("///", &st2) == 0);
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ASSERT (SAME_INODE (st1, st2));
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errno = 0;
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ASSERT (func ("", &st1) == -1);
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ASSERT (errno == ENOENT);
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errno = 0;
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ASSERT (func ("nosuch", &st1) == -1);
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ASSERT (errno == ENOENT);
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errno = 0;
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ASSERT (func ("nosuch/", &st1) == -1);
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ASSERT (errno == ENOENT);
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ASSERT (close (creat (BASE "file", 0600)) == 0);
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ASSERT (func (BASE "file", &st1) == 0);
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errno = 0;
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ASSERT (func (BASE "file/", &st1) == -1);
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ASSERT (errno == ENOTDIR);
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/* Now for some symlink tests, where supported. We set up:
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link1 -> directory
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link2 -> file
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link3 -> dangling
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link4 -> loop
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then test behavior with trailing slash.
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*/
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if (symlink (".", BASE "link1") != 0)
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{
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ASSERT (unlink (BASE "file") == 0);
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if (print)
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fputs ("skipping test: symlinks not supported on this file system\n",
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stderr);
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return 77;
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}
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ASSERT (symlink (BASE "file", BASE "link2") == 0);
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ASSERT (symlink (BASE "nosuch", BASE "link3") == 0);
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ASSERT (symlink (BASE "link4", BASE "link4") == 0);
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ASSERT (func (BASE "link1/", &st1) == 0);
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ASSERT (S_ISDIR (st1.st_mode));
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errno = 0;
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ASSERT (func (BASE "link2/", &st1) == -1);
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ASSERT (errno == ENOTDIR);
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errno = 0;
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ASSERT (func (BASE "link3/", &st1) == -1);
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ASSERT (errno == ENOENT);
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errno = 0;
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ASSERT (func (BASE "link4/", &st1) == -1);
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ASSERT (errno == ELOOP);
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/* Cleanup. */
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ASSERT (unlink (BASE "file") == 0);
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ASSERT (unlink (BASE "link1") == 0);
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ASSERT (unlink (BASE "link2") == 0);
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ASSERT (unlink (BASE "link3") == 0);
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ASSERT (unlink (BASE "link4") == 0);
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free (cwd);
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return 0;
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}
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