#!/usr/bin/env bash # group: img auto quick ## ## 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 $seq" status=1 # failure is the default! _cleanup() { echo "Cleanup" _cleanup_test_img _rm_test_img "${TEST_IMG_FILE2}" } trap "_cleanup; exit \$status" 0 1 2 3 15 _compare() { $QEMU_IMG compare $QEMU_IMG_EXTRA_ARGS "$@" "$TEST_IMG" "${TEST_IMG2}" echo $? } # get standard environment, filters and checks . ./common.rc . ./common.filter . ./common.pattern _supported_fmt raw qcow2 qed luks _supported_proto file _supported_os Linux # Using 'cp' is incompatible with external data files _unsupported_imgopts data_file # Remove once all tests are fixed to use TEST_IMG_FILE # correctly and common.rc sets it unconditionally test -z "$TEST_IMG_FILE" && TEST_IMG_FILE=$TEST_IMG # Setup test basic parameters TEST_IMG2=$TEST_IMG.2 TEST_IMG_FILE2=$TEST_IMG_FILE.2 CLUSTER_SIZE=4096 size=128M _make_test_img $size io_pattern write 524288 $CLUSTER_SIZE $CLUSTER_SIZE 4 45 # Compare identical images cp "$TEST_IMG_FILE" "${TEST_IMG_FILE2}" _compare _compare -q # Compare images with different size if [ "$IMGOPTSSYNTAX" = "true" ]; then $QEMU_IMG resize $QEMU_IMG_EXTRA_ARGS "$TEST_IMG" +32M else $QEMU_IMG resize -f $IMGFMT "$TEST_IMG" +32M fi # Ensure extended space is zero-initialized $QEMU_IO "$TEST_IMG" -c "write -z $size 32M" | _filter_qemu_io _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 # Test unaligned case of mismatch offsets in allocated clusters _make_test_img $size io_pattern write 0 512 0 1 100 cp "$TEST_IMG_FILE" "$TEST_IMG_FILE2" io_pattern write 512 512 0 1 101 _compare # Cleanup status=0