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#!/bin/sh
# Check various bracket expressions in the POSIX locale.
# Copyright 2014-2021 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 3 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, see <https://www.gnu.org/licenses/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
LC_ALL=C
export LC_ALL
fail=0
echo a >in || framework_failure_
for bracketed in '[.a.]' '[.a.]-a' 'a-[.a.]' '[.a.]-[.a.]' \
'[=a=]' '[:alpha:]' 'a-a[.-.]--'; do
grep "[$bracketed]" in >out || fail=1
compare in out || fail=1
grep "[^$bracketed]" in >out
test $? -eq 1 || fail=1
compare /dev/null out || fail=1
done
Exit $fail
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