1 /* Test of execution of program termination handlers.
2 Copyright (C) 2007-2009 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 Bruno Haible <bruno@clisp.org>, 2007. */
31 # define symlink(a,b) (-1)
32 #endif /* !HAVE_SYMLINK */
34 #define ASSERT(expr) \
39 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
46 #define BASE "t-can-lgpl.tmp"
51 #ifdef GNULIB_CANONICALIZE
52 /* No need to test canonicalize-lgpl module if canonicalize is also
57 /* Setup some hierarchy to be used by this test. Start by removing
58 any leftovers from a previous partial run. */
61 ASSERT (system ("rm -rf " BASE " ise") == 0);
62 ASSERT (mkdir (BASE, 0700) == 0);
63 fd = creat (BASE "/tra", 0600);
65 ASSERT (close (fd) == 0);
68 /* Check for ., .., intermediate // handling, and for error cases. */
70 char *result = canonicalize_file_name (BASE "//./..//" BASE "/tra");
71 ASSERT (result != NULL);
72 ASSERT (strstr (result, "/" BASE "/tra")
73 == result + strlen (result) - strlen ("/" BASE "/tra"));
76 result = canonicalize_file_name ("");
77 ASSERT (result == NULL);
78 ASSERT (errno == ENOENT);
80 result = canonicalize_file_name (NULL);
81 ASSERT (result == NULL);
82 ASSERT (errno == EINVAL);
85 /* Check that a non-directory with trailing slash yields NULL. */
89 result = canonicalize_file_name (BASE "/tra/");
90 ASSERT (result == NULL);
91 ASSERT (errno == ENOTDIR);
94 /* Check that a missing directory yields NULL. */
98 result = canonicalize_file_name (BASE "/zzz/..");
99 ASSERT (result == NULL);
100 ASSERT (errno == ENOENT);
103 /* From here on out, tests involve symlinks. */
104 if (symlink (BASE "/ket", "ise") != 0)
106 ASSERT (remove (BASE "/tra") == 0);
107 ASSERT (rmdir (BASE) == 0);
108 fputs ("skipping test: symlinks not supported on this filesystem\n",
112 ASSERT (symlink ("bef", BASE "/plo") == 0);
113 ASSERT (symlink ("tra", BASE "/huk") == 0);
114 ASSERT (symlink ("lum", BASE "/bef") == 0);
115 ASSERT (symlink ("wum", BASE "/ouk") == 0);
116 ASSERT (symlink ("../ise", BASE "/ket") == 0);
117 ASSERT (mkdir (BASE "/lum", 0700) == 0);
119 /* Check that the symbolic link to a file can be resolved. */
121 char *result1 = canonicalize_file_name (BASE "/huk");
122 char *result2 = canonicalize_file_name (BASE "/tra");
123 ASSERT (result1 != NULL);
124 ASSERT (result2 != NULL);
125 ASSERT (strcmp (result1, result2) == 0);
126 ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/tra"),
127 "/" BASE "/tra") == 0);
132 /* Check that the symbolic link to a directory can be resolved. */
134 char *result1 = canonicalize_file_name (BASE "/plo");
135 char *result2 = canonicalize_file_name (BASE "/bef");
136 char *result3 = canonicalize_file_name (BASE "/lum");
137 ASSERT (result1 != NULL);
138 ASSERT (result2 != NULL);
139 ASSERT (result3 != NULL);
140 ASSERT (strcmp (result1, result2) == 0);
141 ASSERT (strcmp (result2, result3) == 0);
142 ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/lum"),
143 "/" BASE "/lum") == 0);
149 /* Check that a symbolic link to a nonexistent file yields NULL. */
153 result = canonicalize_file_name (BASE "/ouk");
154 ASSERT (result == NULL);
155 ASSERT (errno == ENOENT);
158 /* Check that a non-directory symlink with trailing slash yields NULL. */
162 result = canonicalize_file_name (BASE "/huk/");
163 ASSERT (result == NULL);
164 ASSERT (errno == ENOTDIR);
167 /* Check that a missing directory via symlink yields NULL. */
171 result = canonicalize_file_name (BASE "/ouk/..");
172 ASSERT (result == NULL);
173 ASSERT (errno == ENOENT);
176 /* Check that a loop of symbolic links is detected. */
180 result = canonicalize_file_name ("ise");
181 ASSERT (result == NULL);
182 ASSERT (errno == ELOOP);
186 ASSERT (remove (BASE "/plo") == 0);
187 ASSERT (remove (BASE "/huk") == 0);
188 ASSERT (remove (BASE "/bef") == 0);
189 ASSERT (remove (BASE "/ouk") == 0);
190 ASSERT (remove (BASE "/ket") == 0);
191 ASSERT (remove (BASE "/lum") == 0);
192 ASSERT (remove (BASE "/tra") == 0);
193 ASSERT (remove (BASE) == 0);
194 ASSERT (remove ("ise") == 0);