src/test/test-stat-util.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2010 Lennart Poettering
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include <fcntl.h>
  21 #include <unistd.h>
  22
  23 #include "alloc-util.h"
  24 #include "fd-util.h"
  25 #include "fileio.h"
  26 #include "macro.h"
  27 #include "stat-util.h"
  28
  29 static void test_files_same(void) {
  30         _cleanup_close_ int fd = -1;
  31         char name[] = "/tmp/test-files_same.XXXXXX";
  32         char name_alias[] = "/tmp/test-files_same.alias";
  33
  34         fd = mkostemp_safe(name);
  35         assert_se(fd >= 0);
  36         assert_se(symlink(name, name_alias) >= 0);
  37
  38         assert_se(files_same(name, name));
  39         assert_se(files_same(name, name_alias));
  40
  41         unlink(name);
  42         unlink(name_alias);
  43 }
  44
  45 static void test_is_symlink(void) {
  46         char name[] = "/tmp/test-is_symlink.XXXXXX";
  47         char name_link[] = "/tmp/test-is_symlink.link";
  48         _cleanup_close_ int fd = -1;
  49
  50         fd = mkostemp_safe(name);
  51         assert_se(fd >= 0);
  52         assert_se(symlink(name, name_link) >= 0);
  53
  54         assert_se(is_symlink(name) == 0);
  55         assert_se(is_symlink(name_link) == 1);
  56         assert_se(is_symlink("/a/file/which/does/not/exist/i/guess") < 0);
  57
  58
  59         unlink(name);
  60         unlink(name_link);
  61 }
  62
  63 static void test_path_is_os_tree(void) {
  64         assert_se(path_is_os_tree("/") > 0);
  65         assert_se(path_is_os_tree("/etc") == 0);
  66         assert_se(path_is_os_tree("/idontexist") == -ENOENT);
  67 }
  68
  69 int main(int argc, char *argv[]) {
  70         test_files_same();
  71         test_is_symlink();
  72         test_path_is_os_tree();
  73
  74         return 0;
  75 }