1 /* Test of file timestamp modification functions.
2 Copyright (C) 2009-2011 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 #include "test-utimens-common.h"
19 /* This file is designed to test both utimens(a,b) and
20 utimensat(AT_FDCWD,a,b,0). FUNC is the function to test. Assumes
21 that BASE and ASSERT are already defined. If PRINT, warn before
22 skipping tests with status 77. */
24 test_utimens (int (*func) (char const *, struct timespec const *), bool print)
29 ASSERT (close (creat (BASE "file", 0600)) == 0);
30 /* If utimens truncates to less resolution than the file system
31 supports, then time can appear to go backwards between now and a
32 follow-up utimens with UTIME_NOW or a NULL timespec. Use
33 UTIMECMP_TRUNCATE_SOURCE to compensate, with st1 as the
35 ASSERT (stat (BASE "file", &st1) == 0);
37 ASSERT (func (BASE "file", NULL) == 0);
38 ASSERT (stat (BASE "file", &st2) == 0);
39 ASSERT (0 <= utimecmp (BASE "file", &st2, &st1, UTIMECMP_TRUNCATE_SOURCE));
41 ASSERT (st1.st_ctime < st2.st_ctime
42 || (st1.st_ctime == st2.st_ctime
43 && get_stat_ctime_ns (&st1) < get_stat_ctime_ns (&st2)));
45 /* On some NFS systems, the 'now' timestamp of creat or a NULL
46 timespec is determined by the server, but the 'now' timestamp
47 determined by gettime() (as is done when using UTIME_NOW) is
48 determined by the client; since the two machines are not
49 necessarily on the same clock, this is another case where time
50 can appear to go backwards. The rest of this test cares about
51 client time, so manually use gettime() to set both times. */
52 struct timespec ts[2];
55 ASSERT (func (BASE "file", ts) == 0);
56 ASSERT (stat (BASE "file", &st1) == 0);
60 /* Invalid arguments. */
62 ASSERT (func ("no_such", NULL) == -1);
63 ASSERT (errno == ENOENT);
65 ASSERT (func ("no_such/", NULL) == -1);
66 ASSERT (errno == ENOENT || errno == ENOTDIR);
68 ASSERT (func ("", NULL) == -1);
69 ASSERT (errno == ENOENT);
71 struct timespec ts[2] = { { Y2K, UTIME_BOGUS_POS }, { Y2K, 0 } };
73 ASSERT (func (BASE "file", ts) == -1);
74 ASSERT (errno == EINVAL);
77 struct timespec ts[2] = { { Y2K, 0 }, { Y2K, UTIME_BOGUS_NEG } };
79 ASSERT (func (BASE "file", ts) == -1);
80 ASSERT (errno == EINVAL);
83 struct timespec ts[2] = { { Y2K, 0 }, { Y2K, 0 } };
85 ASSERT (func (BASE "file/", ts) == -1);
86 ASSERT (errno == ENOTDIR || errno == EINVAL);
88 ASSERT (stat (BASE "file", &st2) == 0);
89 ASSERT (st1.st_atime == st2.st_atime);
90 ASSERT (get_stat_atime_ns (&st1) == get_stat_atime_ns (&st2));
91 ASSERT (utimecmp (BASE "file", &st1, &st2, 0) == 0);
95 struct timespec ts[2] = { { Y2K, BILLION / 2 - 1 }, { Y2K, BILLION - 1 } };
96 ASSERT (func (BASE "file", ts) == 0);
97 ASSERT (stat (BASE "file", &st2) == 0);
98 ASSERT (st2.st_atime == Y2K);
99 ASSERT (0 <= get_stat_atime_ns (&st2));
100 ASSERT (get_stat_atime_ns (&st2) < BILLION / 2);
101 ASSERT (st2.st_mtime == Y2K);
102 ASSERT (0 <= get_stat_mtime_ns (&st2));
103 ASSERT (get_stat_mtime_ns (&st2) < BILLION);
105 ASSERT (st1.st_ctime < st2.st_ctime
106 || (st1.st_ctime == st2.st_ctime
107 && get_stat_ctime_ns (&st1) < get_stat_ctime_ns (&st2)));
110 /* Play with UTIME_OMIT, UTIME_NOW. */
113 struct timespec ts[2] = { { BILLION, UTIME_OMIT }, { 0, UTIME_NOW } };
115 ASSERT (func (BASE "file", ts) == 0);
116 ASSERT (stat (BASE "file", &st3) == 0);
117 ASSERT (st3.st_atime == Y2K);
118 ASSERT (0 <= get_stat_atime_ns (&st3));
119 ASSERT (get_stat_atime_ns (&st3) < BILLION / 2);
120 /* See comment above about this utimecmp call. */
121 ASSERT (0 <= utimecmp (BASE "file", &st3, &st1, UTIMECMP_TRUNCATE_SOURCE));
123 ASSERT (st2.st_ctime < st3.st_ctime
124 || (st2.st_ctime == st3.st_ctime
125 && get_stat_ctime_ns (&st2) < get_stat_ctime_ns (&st3)));
128 ts[1].tv_nsec = UTIME_OMIT;
129 ASSERT (func (BASE "file", ts) == 0);
130 ASSERT (stat (BASE "file", &st2) == 0);
131 ASSERT (st2.st_atime == BILLION);
132 ASSERT (get_stat_atime_ns (&st2) == 0);
133 ASSERT (st3.st_mtime == st2.st_mtime);
134 ASSERT (get_stat_mtime_ns (&st3) == get_stat_mtime_ns (&st2));
136 ASSERT (st3.st_ctime < st2.st_ctime
137 || (st3.st_ctime == st2.st_ctime
138 && get_stat_ctime_ns (&st3) < get_stat_ctime_ns (&st2)));
141 /* Make sure this dereferences symlinks. */
142 if (symlink (BASE "file", BASE "link"))
144 ASSERT (unlink (BASE "file") == 0);
146 fputs ("skipping test: symlinks not supported on this file system\n",
150 ASSERT (lstat (BASE "link", &st1) == 0);
151 ASSERT (st1.st_mtime != Y2K);
153 ASSERT (func (BASE "link/", NULL) == -1);
154 ASSERT (errno == ENOTDIR);
156 struct timespec ts[2] = { { Y2K, 0 }, { Y2K, 0 } };
157 ASSERT (func (BASE "link", ts) == 0);
158 ASSERT (lstat (BASE "link", &st2) == 0);
159 /* Can't compare atimes, since lstat() changes symlink atime on cygwin. */
160 ASSERT (st1.st_mtime == st2.st_mtime);
161 ASSERT (stat (BASE "link", &st2) == 0);
162 ASSERT (st2.st_mtime == Y2K);
163 ASSERT (get_stat_mtime_ns (&st2) == 0);
167 ASSERT (unlink (BASE "link") == 0);
168 ASSERT (unlink (BASE "file") == 0);