#   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 <http://www.gnu.org/licenses/>.
#

# test behavior of builtins that can take array subscript arguments, make
# sure they work in the presence of associative arrays and `problematic' keys
# if assoc_expand_once is set
#
# affected builtins: printf, read, wait

declare -A A
rkey=']'
lkey='['

shopt -s assoc_expand_once

printf -v A[$rkey] rbracket
printf -v A[$lkey] lbracket
declare -p A

unset A[$rkey]
unset A[$lkey]
declare -p A

unset A
declare -A A

read A[$rkey] <<<rbracket
read A[$lkey] <<<lbracket
declare -p A

unset A[$rkey]
unset A[$lkey]
declare -p A

unset A
declare -A A

{ sleep 1 ; exit 4; } &
{ sleep 2 ; exit 5; } & bgpid1=$!
{ sleep 4 ; exit 6; } &

wait -p A[$rkey] -n %2 %3
case "${A[$rkey]}" in
$bgpid1)        echo $?: ok 1;;
*)              echo bad 1;;
esac

exit 0