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#!/usr/bin/env bash
# nbd client library in userspace
# Copyright Red Hat
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# Test nbdzero -o/-l works.
. ../tests/functions.sh
set -e
set -x
requires nbdinfo --version
requires_uri
requires $NBDKIT --version
requires $NBDKIT data --version
output=test-zero-range.out
cleanup_fn rm -f $output
export output
# Limit to tail of file that is already sparse
$NBDKIT -U - \
data ' @1048576 1 @2097152 1 ' size=1G \
--run ' nbdzero -y "$uri" -o 512M -l 512M &&
nbdinfo --map "$uri" > $output '
cat $output
define expect <<\EOF
0 1048576 3 hole,zero
1048576 32768 0 data
1081344 1015808 3 hole,zero
2097152 32768 0 data
2129920 1071611904 3 hole,zero
EOF
printf %s "$expect" | diff -u - $output
# Limit to head of file to see a change
$NBDKIT -U - \
data ' @1048576 1 @2097152 1 ' size=1G \
--run ' nbdzero -y "$uri" -l 2M &&
nbdinfo --map "$uri" > $output '
cat $output
define expect <<\EOF
0 2097152 3 hole,zero
2097152 32768 0 data
2129920 1071611904 3 hole,zero
EOF
printf %s "$expect" | diff -u - $output
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