1#!/bin/sh
2# Ensure that a command like
3# date --date="21:04 +0100" +%S' always prints '00'.
4# Before coreutils-5.2.1, it would print the seconds from the current time.
5
6# Copyright (C) 2004-2023 Free Software Foundation, Inc.
7
8# This program is free software: you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation, either version 3 of the License, or
11# (at your option) any later version.
12
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16# GNU General Public License for more details.
17
18# You should have received a copy of the GNU General Public License
19# along with this program.  If not, see <https://www.gnu.org/licenses/>.
20
21. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
22print_ver_ date
23
24
25
26# It would be easier simply to sleep for two seconds between two runs
27# of $(date --date="21:04 +0100" +%S) and ensure that both outputs
28# are '00', but I prefer not to sleep unconditionally.  'make check'
29# takes long enough as it is.
30
31n=0
32# See if the current number of seconds is '00' or just before.
33s=$(date +%S)
34case "$s" in
35  58) n=3;;
36  59) n=2;;
37  00) n=1;;
38esac
39
40# If necessary, wait for the system clock to pass the minute mark.
41test $n = 0 || sleep $n
42
43s=$(date --date="21:04 +0100" +%S)
44case "$s" in
45  00) ;;
46  *) fail=1;;
47esac
48
49Exit $fail
50