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# 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 history file truncation for various values of $HISTFILESIZE
. ./test-glue-functions
: ${THIS_SH:=./bash}
: ${TMPDIR:=/var/tmp}
export HISTTIMEFORMAT=
export HISTFILESIZE=3
export HISTFILE=$TMPDIR/hist-$$
export PS1='$ '
rm -f $HISTFILE
# exactly the number of lines
${THIS_SH} --norc -in <<<$'1\n2\n3'
wc -l < $HISTFILE | _cut_leading_spaces
rm -f $HISTFILE
# truncating to fewer lines
${THIS_SH} --norc -in <<<$'1\n2\n3\n4\n5'
wc -l < $HISTFILE | _cut_leading_spaces
rm -f $HISTFILE
# the history file contains fewer lines than $HISTFILESIZE
${THIS_SH} --norc -in <<<$'1\n2'
wc -l < $HISTFILE | _cut_leading_spaces
rm -f $HISTFILE
# now we try it without timestamps
unset HISTTIMEFORMAT
# exactly the number of lines
${THIS_SH} --norc -in <<<$'e 1\ne 2\ne 3'
wc -l < $HISTFILE | _cut_leading_spaces
cat $HISTFILE
rm -f $HISTFILE
# truncating to fewer lines
${THIS_SH} --norc -in <<<$'x 1\nx 2\nx 3\nx 4\nx 5'
wc -l < $HISTFILE | _cut_leading_spaces
cat $HISTFILE
rm -f $HISTFILE
# the history file contains fewer lines than $HISTFILESIZE
${THIS_SH} --norc -in <<<$'y 1\ny 2'
wc -l < $HISTFILE | _cut_leading_spaces
cat $HISTFILE
rm -f $HISTFILE
# we want to truncate the history file to zero length
HISTFILESIZE=0
${THIS_SH} --norc -in <<<$'1\n2'
wc -l < $HISTFILE | _cut_leading_spaces
rm -f $HISTFILE
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