1# Test time stamps for GNU tar.  -*- Autotest -*-
2#
3# Copyright 2012-2021 Free Software Foundation, Inc.
4#
5# This program is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 3, or (at your option)
8# any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
18# written by Paul Eggert
19
20AT_SETUP([time: tricky time stamps])
21AT_KEYWORDS([time time01])
22
23AT_TAR_CHECK([
24export TZ=UTC0
25mkdir dir
26
27# Test files with time stamps that are near common sources of error,
28# typically near powers of 2 (for seconds) or near 0, 1970, or 9999 (years).
29# Use GNU-style @ notation for very large time stamps, since they
30# typically don't render into years correctly due to int overflow.
31for s in \
32  @-9223372036854775809 @-9223372036854775808 @-9223372036854775807 \
33  0000-01-01T00:00:00 0000-01-01T00:00:01 \
34  0000-01-02T00:00:00 \
35  1697-10-17T11:03:27 1697-10-17T11:03:28 1697-10-17T11:03:29 \
36  1833-11-24T17:31:43 1833-11-24T17:31:44 1833-11-24T17:31:45 \
37  1901-12-13T20:45:51 1901-12-13T20:45:52 1901-12-13T20:45:53 \
38  1901-12-14T20:45:51 \
39  1969-12-31T23:59:58 1969-12-31T23:59:59 \
40  1970-01-01T00:00:00 1970-01-01T00:00:01 \
41  2038-01-18T03:14:07 \
42  2038-01-19T03:14:07 2038-01-19T03:14:08 \
43  2106-02-07T06:28:15 2106-02-07T06:28:16 \
44  2242-03-16T12:56:31 2242-03-16T12:56:32 \
45  9999-12-31T23:59:58 9999-12-31T23:59:59 \
46  @9223372036854775807 @9223372036854775808
47do
48  # Skip a time stamp $s if it's out of range for this platform,
49  # of if it uses a notation that this platform does not recognize.
50  touch -d $s dir/f$s >/dev/null 2>&1 || continue
51
52  # Likewise for $s.1.  If $s is the most negative time stamp and
53  # time stamps are signed, then $s.1 is out of range.
54  touch -d $s.1 dir/f$s.$ns >/dev/null 2>&1 || continue
55
56  for frac in   01 001 00001 000001 0000001 00000001 000000001 0000000001 \
57	      9 99 999 99999 999999 9999999 99999999 999999999 9999999999
58  do
59    touch -d $s.$frac dir/f$s.$frac
60  done
61done
62
63tar -c -f archive.tar dir
64tar -d -f archive.tar dir
65],
66[0],
67[], [], [], [],
68[pax])
69
70AT_CLEANUP
71