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#!/bin/bash
#
# Test I/O after EOF for growable images.
#
# Copyright (C) 2009 Red Hat, Inc.
#
# 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 2 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/>.
#

# creator
owner=hch@lst.de

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!

_cleanup()
{
	_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

# currently raw is the only protocol we support
_supported_fmt raw
_supported_proto generic
_supported_os Linux


size=128M
_make_test_img $size

echo
echo "== reading at EOF =="
$QEMU_IO -g -c "read -P 0 $size 512" $TEST_IMG | _filter_qemu_io

echo
echo "== reading far past EOF =="
$QEMU_IO -g -c "read -P 0 256M 512" $TEST_IMG | _filter_qemu_io

echo
echo "== writing at EOF =="
$QEMU_IO -g -c "write -P 66 $size 512" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 66 $size 512" $TEST_IMG | _filter_qemu_io

echo
echo "== writing far past EOF =="
$QEMU_IO -g -c "write -P 66 256M 512" $TEST_IMG | _filter_qemu_io
$QEMU_IO -c "read -P 66 256M 512" $TEST_IMG | _filter_qemu_io

# success, all done
echo "*** done"
rm -f $seq.full
status=0