#   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/>.
#
# start at a test suite for negative indexed array subscripts -- post bash-4.2
x=( 0 1 2 3 4 5)
declare -p x

unset 'x[-1]'
declare -p x

unset 'x[-2]'
declare -p x

unset 'x[-10]'

x[-2]=3
declare -p x

x+=( five )
declare -p x
x[-1]=5
declare -p x

x+=( [-1]=foo )
declare -p x

x[-1]=5
declare -p x

x[-2]+=four
declare -p x

echo "strlen(${x[-2]})" = ${#x[-2]}