#   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/>.
#

# framework to test new `wait -n' option that waits for any job to finish

set -m

sleep 20 &
{ sleep 2; exit 12; } &
sleep 20 &

wait -n
echo $?

jobs
disown -a

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

wait -p wvar -n %2 %3
case "$wvar" in
$bgpid1)	echo $?: ok 1;;
*)		echo bad 1;;
esac

{ sleep 1 ; exit 2; } & bgpid2=$!
wait -p wvar -n %8 $!
case $wvar in
$bgpid2)	echo $?: ok 2;;
*)		echo bad 2;;
esac

disown -a

{ sleep 3; exit 1; } & { sleep 1; exit 2; } & bgpid3=$!
{ sleep 3; exit 3; } & { sleep 3; exit 4; } &

wait -n -p wpid %1 %2 %3 %4

case $wpid in
$bgpid3)	echo $?: ok 3;;
*)		echo bad 3 ;;
esac

disown -a

unset bgpid1 bgpid2 bgpid3
unset wpid

# now that we have no jobs, make sure that wait -n -p var leaves var unset
jobs
wait -n -p wpid
echo $wpid $?

# make sure wait -p var does something useful without the -n option
jobs
wait -p wpid
declare -p wpid

# let's check errors like with other builtins that take variable names
wait -p invalid-varname
readonly WV
wait -p WV
