1#!/bin/bash 2## 3## qemu-img compare test 4## 5## 6## Copyright (C) 2013 Red Hat, Inc. 7## 8## This program is free software; you can redistribute it and/or modify 9## it under the terms of the GNU General Public License as published by 10## the Free Software Foundation; either version 2 of the License, or 11## (at your option) any later version. 12## 13## This program is distributed in the hope that it will be useful, 14## but WITHOUT ANY WARRANTY; without even the implied warranty of 15## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16## GNU General Public License for more details. 17## 18## You should have received a copy of the GNU General Public License 19## along with this program. If not, see <http://www.gnu.org/licenses/>. 20## 21# 22# creator 23owner=mrezanin@redhat.com 24 25seq=`basename $0` 26echo "QA output created by $seq" 27 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 echo "Cleanup" 33 _cleanup_test_img 34 rm "${TEST_IMG2}" 35} 36trap "_cleanup; exit \$status" 0 1 2 3 15 37 38_compare() 39{ 40 $QEMU_IMG compare "$@" "$TEST_IMG" "${TEST_IMG2}" 41 echo $? 42} 43 44# get standard environment, filters and checks 45. ./common.rc 46. ./common.filter 47. ./common.pattern 48 49_supported_fmt raw qcow qcow2 qed 50_supported_proto file 51_supported_os Linux 52 53# Setup test basic parameters 54TEST_IMG2=$TEST_IMG.2 55CLUSTER_SIZE=4096 56size=1024M 57 58_make_test_img $size 59io_pattern write 524288 $CLUSTER_SIZE $CLUSTER_SIZE 4 45 60 61# Compare identical images 62cp "$TEST_IMG" "${TEST_IMG2}" 63_compare 64_compare -q 65 66# Compare images with different size 67$QEMU_IMG resize "$TEST_IMG" +512M 68_compare 69_compare -s 70 71# Compare images with different content 72io_pattern write 1228800 $CLUSTER_SIZE 0 1 67 73_compare 74io_pattern write 0 $CLUSTER_SIZE 0 1 123 75_compare 76 77# Test unaligned case of mismatch offsets in allocated clusters 78_make_test_img $size 79io_pattern write 0 512 0 1 100 80cp "$TEST_IMG" "$TEST_IMG2" 81io_pattern write 512 512 0 1 101 82_compare 83 84# Cleanup 85status=0 86