#   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/>.
#

trap 'rm -f "$OUT"' 0 1 2 3 6 15

HISTFILE=$TMPDIR/fchist-$$ ; OUT=$HISTFILE
unset HISTIGNORE HISTCONTROL
set -o history

echo a
echo b

fc -0	# error
fc -s -0	# error

fc -l

echo c
fc -l 0
fc -l -0

echo d
fc -s 0

HISTSIZE=4
history -c

echo a
echo b
echo c
echo d
echo e
echo f
fc -l

echo out of range 1
fc -l 502 498
echo out of range 2
fc -l 498 502
echo out of range 3
fc -l 1 99
# other out-of-range behavior for future work
echo out of range 4
fc -l -20 -40

unset HISTFILE	# suppress writing history file