#   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 function calling in nofork comsubs
set -- 1 2 3

func()
{
	echo "$@"
}

x=${ func a b c; }
echo "$x" == "$@"

x=${ func; }
echo "$x" == "$@"

unset -f func
func()
{
	echo before return
	return 12
	echo after return
}

x=${ func; echo after func; }
echo "$x"

unset -f func
unset x
set --

# more shift and order-of-expansion tests
set -- 1 2 3
echo "$*${ set -- a b c;}$*"

set -- 1 2
x=${ shift; echo "$@"; }
echo $x "$@"

# order of expansion

echo "${ IFS= ; echo foo; }${ unset IFS; echo bar;}${ IFS=' '; echo a b c;}"
declare -p IFS

IFS=$' \t\n'

: ${TMPDIR:=/tmp}
TDIR=$TMPDIR/comsub24-$$
[ -d "${TDIR}" ] || mkdir "${TDIR}"
cd "${TDIR}" || {
        echo "comsub24: cannot cd to ${TDIR}"
        exit 2
}
touch xx yy zz

echo "${ set -f; echo '*';}${ set +f; echo '???'; }"
echo ${ set -f; echo '*';}${ set +f; echo '???'; }

rm xx yy zz
touch xx yyy zzzz

echo ${ set -f; echo '*';}${ set +f; echo '???'; }

cd $OLDPWD
rm -rf $TDIR