127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/* Tests of remove.
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Copyright (C) 2009-2025 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 <https://www.gnu.org/licenses/>. */
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/* Written by Eric Blake <ebb9@byu.net>, 2009. */
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#include <config.h>
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#include <stdio.h>
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#include "signature.h"
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SIGNATURE_CHECK (remove, int, (char const *));
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#include <fcntl.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "ignore-value.h"
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#include "macros.h"
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#define BASE "test-remove.t"
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int
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main (void)
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{
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/* Remove any leftovers from a previous partial run. */
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ignore_value (system ("rm -rf " BASE "*"));
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/* Setup. */
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ASSERT (mkdir (BASE "dir", 0700) == 0);
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ASSERT (close (creat (BASE "dir/file", 0600)) == 0);
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/* Basic error conditions. */
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errno = 0;
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ASSERT (remove ("") == -1);
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ASSERT (errno == ENOENT);
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errno = 0;
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ASSERT (remove ("nosuch") == -1);
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ASSERT (errno == ENOENT);
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errno = 0;
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ASSERT (remove ("nosuch/") == -1);
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ASSERT (errno == ENOENT);
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errno = 0;
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ASSERT (remove (".") == -1);
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ASSERT (errno == EINVAL || errno == EBUSY);
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/* Resulting errno after ".." or "/" is too varied to test; it is
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reasonable to see any of EINVAL, EEXIST, ENOTEMPTY, EACCES. */
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ASSERT (remove ("..") == -1);
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ASSERT (remove ("/") == -1);
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ASSERT (remove ("///") == -1);
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errno = 0;
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ASSERT (remove (BASE "dir/file/") == -1);
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ASSERT (errno == ENOTDIR);
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/* Non-empty directory. */
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errno = 0;
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ASSERT (remove (BASE "dir") == -1);
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ASSERT (errno == EEXIST || errno == ENOTEMPTY);
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/* Non-directory. */
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ASSERT (remove (BASE "dir/file") == 0);
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/* Empty directory. */
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errno = 0;
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ASSERT (remove (BASE "dir/.//") == -1);
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ASSERT (errno == EINVAL || errno == EBUSY || errno == EEXIST);
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ASSERT (remove (BASE "dir") == 0);
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/* Test symlink behavior. Specifying trailing slash should remove
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referent directory, or cause ENOTDIR failure, but not touch
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symlink. */
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if (symlink (BASE "dir", BASE "link") != 0)
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{
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if (test_exit_status != EXIT_SUCCESS)
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return test_exit_status;
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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 (mkdir (BASE "dir", 0700) == 0);
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errno = 0;
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if (remove (BASE "link/") == 0)
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{
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struct stat st;
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errno = 0;
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ASSERT (stat (BASE "link", &st) == -1);
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ASSERT (errno == ENOENT);
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}
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else
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ASSERT (remove (BASE "dir") == 0);
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{
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struct stat st;
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ASSERT (lstat (BASE "link", &st) == 0);
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ASSERT (S_ISLNK (st.st_mode));
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}
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ASSERT (remove (BASE "link") == 0);
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/* Trailing slash on symlink to non-directory is an error. */
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ASSERT (symlink (BASE "loop", BASE "loop") == 0);
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errno = 0;
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ASSERT (remove (BASE "loop/") == -1);
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ASSERT (errno == ELOOP || errno == ENOTDIR);
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ASSERT (remove (BASE "loop") == 0);
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ASSERT (close (creat (BASE "file", 0600)) == 0);
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ASSERT (symlink (BASE "file", BASE "link") == 0);
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errno = 0;
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ASSERT (remove (BASE "link/") == -1);
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ASSERT (errno == ENOTDIR);
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ASSERT (remove (BASE "link") == 0);
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ASSERT (remove (BASE "file") == 0);
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return test_exit_status;
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}
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