1 /* Tests of areadlinkat.
2 Copyright (C) 2009 Free Software Foundation, Inc.
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.
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.
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/>. */
17 /* Written by Eric Blake <ebb9@byu.net>, 2009. */
21 #include "areadlink.h"
32 #define ASSERT(expr) \
37 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
44 #define BASE "test-areadlinkat.t"
46 #include "test-areadlink.h"
48 static int dfd = AT_FDCWD;
50 /* Wrapper for testing areadlinkat. */
52 do_areadlinkat (char const *name, size_t ignored _UNUSED_PARAMETER_)
54 return areadlinkat (dfd, name);
62 /* Remove any leftovers from a previous partial run. */
63 ASSERT (system ("rm -rf " BASE "*") == 0);
66 result = test_areadlink (do_areadlinkat, false);
67 dfd = open (".", O_RDONLY);
69 ASSERT (test_areadlink (do_areadlinkat, false) == result);
73 fputs ("skipping test: symlinks not supported on this file system\n",
78 ASSERT (symlink ("nowhere", BASE "link") == 0);
79 ASSERT (mkdir (BASE "dir", 0700) == 0);
80 ASSERT (chdir (BASE "dir") == 0);
81 buf = areadlinkat (dfd, BASE "link");
83 ASSERT (strcmp (buf, "nowhere") == 0);
86 ASSERT (areadlinkat (-1, BASE "link") == NULL);
87 ASSERT (errno == EBADF);
89 ASSERT (areadlinkat (AT_FDCWD, BASE "link") == NULL);
90 ASSERT (errno == ENOENT);
91 ASSERT (chdir ("..") == 0);
92 ASSERT (rmdir (BASE "dir") == 0);
93 ASSERT (unlink (BASE "link") == 0);
96 ASSERT (close (dfd) == 0);