1 /* Test of file timestamp modification functions.
2 Copyright (C) 2009, 2010 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 gl_futimens(a,NULL,b) and
20 futimens(a,b). FUNC is the function to test. Assumes that BASE
21 and ASSERT are already defined. If PRINT, warn before skipping
22 tests with status 77. */
24 test_futimens (int (*func) (int, struct timespec const *),
27 int fd = creat (BASE "file", 0600);
34 ASSERT (fstat (fd, &st1) == 0);
37 result = func (fd, NULL);
38 if (result == -1 && errno == ENOSYS)
40 ASSERT (close (fd) == 0);
41 ASSERT (unlink (BASE "file") == 0);
43 fputs ("skipping test: "
44 "setting fd time not supported on this file system\n",
49 ASSERT (fstat (fd, &st2) == 0);
50 /* If utimens truncates to less resolution than the file system
51 supports, then time can appear to go backwards between now and a
52 follow-up utimens with UTIME_NOW or a NULL timespec. Use
53 UTIMECMP_TRUNCATE_SOURCE to compensate, with st1 as the
55 ASSERT (0 <= utimecmp (BASE "file", &st2, &st1, UTIMECMP_TRUNCATE_SOURCE));
57 ASSERT (st1.st_ctime < st2.st_ctime
58 || (st1.st_ctime == st2.st_ctime
59 && get_stat_ctime_ns (&st1) < get_stat_ctime_ns (&st2)));
61 /* On some NFS systems, the 'now' timestamp of creat or a NULL
62 timespec is determined by the server, but the 'now' timestamp
63 determined by gettime() (as is done when using UTIME_NOW) is
64 determined by the client; since the two machines are not
65 necessarily on the same clock, this is another case where time
66 can appear to go backwards. The rest of this test cares about
67 client time, so manually use gettime() to set both times. */
68 struct timespec ts[2];
71 ASSERT (func (fd, ts) == 0);
72 ASSERT (fstat (fd, &st1) == 0);
76 /* Invalid arguments. */
78 ASSERT (func (AT_FDCWD, NULL) == -1);
79 ASSERT (errno == EBADF);
81 struct timespec ts[2] = { { Y2K, UTIME_BOGUS_POS }, { Y2K, 0 } };
83 ASSERT (func (fd, ts) == -1);
84 ASSERT (errno == EINVAL);
87 struct timespec ts[2] = { { Y2K, 0 }, { Y2K, UTIME_BOGUS_NEG } };
89 ASSERT (func (fd, ts) == -1);
90 ASSERT (errno == EINVAL);
92 ASSERT (fstat (fd, &st2) == 0);
93 ASSERT (st1.st_atime == st2.st_atime);
94 ASSERT (get_stat_atime_ns (&st1) == get_stat_atime_ns (&st2));
95 ASSERT (utimecmp (BASE "file", &st1, &st2, 0) == 0);
99 struct timespec ts[2] = { { Y2K, BILLION / 2 - 1 }, { Y2K, BILLION - 1 } };
100 ASSERT (func (fd, ts) == 0);
101 ASSERT (fstat (fd, &st2) == 0);
102 ASSERT (st2.st_atime == Y2K);
103 ASSERT (0 <= get_stat_atime_ns (&st2));
104 ASSERT (get_stat_atime_ns (&st2) < BILLION / 2);
105 ASSERT (st2.st_mtime == Y2K);
106 ASSERT (0 <= get_stat_mtime_ns (&st2));
107 ASSERT (get_stat_mtime_ns (&st2) < BILLION);
109 ASSERT (st1.st_ctime < st2.st_ctime
110 || (st1.st_ctime == st2.st_ctime
111 && get_stat_ctime_ns (&st1) < get_stat_ctime_ns (&st2)));
114 /* Play with UTIME_OMIT, UTIME_NOW. */
117 struct timespec ts[2] = { { BILLION, UTIME_OMIT }, { 0, UTIME_NOW } };
119 ASSERT (func (fd, ts) == 0);
120 ASSERT (fstat (fd, &st3) == 0);
121 ASSERT (st3.st_atime == Y2K);
122 ASSERT (0 <= get_stat_atime_ns (&st3));
123 ASSERT (get_stat_atime_ns (&st3) <= BILLION / 2);
124 ASSERT (utimecmp (BASE "file", &st1, &st3, 0) <= 0);
126 ASSERT (st2.st_ctime < st3.st_ctime
127 || (st2.st_ctime == st3.st_ctime
128 && get_stat_ctime_ns (&st2) < get_stat_ctime_ns (&st3)));
131 ts[1].tv_nsec = UTIME_OMIT;
132 ASSERT (func (fd, ts) == 0);
133 ASSERT (fstat (fd, &st2) == 0);
134 ASSERT (st2.st_atime == BILLION);
135 ASSERT (get_stat_atime_ns (&st2) == 0);
136 ASSERT (st3.st_mtime == st2.st_mtime);
137 ASSERT (get_stat_mtime_ns (&st3) == get_stat_mtime_ns (&st2));
139 ASSERT (st3.st_ctime < st2.st_ctime
140 || (st3.st_ctime == st2.st_ctime
141 && get_stat_ctime_ns (&st3) < get_stat_ctime_ns (&st2)));
145 ASSERT (close (fd) == 0);
146 ASSERT (unlink (BASE "file") == 0);