#!/bin/sh
# Make sure touch can update the times on a file that is neither
# readable nor writable.

# Copyright (C) 1999, 2000, 2002, 2006 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.

if test "$VERBOSE" = yes; then
  set -x
  touch --version
fi

. $srcdir/../envvar-check

DEFAULT_SLEEP_SECONDS=2
SLEEP_SECONDS=${SLEEP_SECONDS=$DEFAULT_SLEEP_SECONDS}

t1=no-rw1
t2=no-rw2
rm -rf $t1 $t2
: > $t1

# Make sure $t2 is two seconds newer than $t1.
echo sleeping for $SLEEP_SECONDS seconds...
sleep $SLEEP_SECONDS
: > $t2
fail=0

set x `ls -t $t1 $t2`
test "$*" = "x $t2 $t1" || fail=1

chmod 0 $t1
touch -d tomorrow -c $t1 || fail=1

set x `ls -t $t1 $t2`
test "$*" = "x $t1 $t2" || fail=1

# Also test the combination of --no-create and -a.
touch -a --no-create $t1 || fail=1

rm -f $t1 $t2

exit $fail