Archipelago » qemu

#!/bin/bash

##

## qemu-img compare test

##

##

## Copyright (C) 2013 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=mrezanin@redhat.com

seq=`basename $0`

echo "QA output created by $seq"

status=1        # failure is the default!

_cleanup()

{

    echo "Cleanup"

    _cleanup_test_img

    rm ${TEST_IMG2}

}

trap "_cleanup; exit \$status" 0 1 2 3 15

_compare()

{

    $QEMU_IMG compare "$@" $TEST_IMG ${TEST_IMG2}

    echo $?

}

# get standard environment, filters and checks

. ./common.rc

. ./common.filter

. ./common.pattern

_supported_fmt raw qcow qcow2 qed

_supported_proto file

_supported_os Linux

# Setup test basic parameters

TEST_IMG2=$TEST_IMG.2

CLUSTER_SIZE=4096

size=1024M

_make_test_img $size

io_pattern write 524288 $CLUSTER_SIZE $CLUSTER_SIZE 4 45

# Compare identical images

cp $TEST_IMG ${TEST_IMG2}

_compare

_compare -q

# Compare images with different size

$QEMU_IMG resize $TEST_IMG +512M

_compare

_compare -s

# Compare images with different content

io_pattern write 1228800 $CLUSTER_SIZE 0 1 67

_compare

io_pattern write 0 $CLUSTER_SIZE 0 1 123

_compare

# Cleanup

status=0