1#!/usr/bin/env 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 $seq" 27 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 echo "Cleanup" 33 _cleanup_test_img 34 _rm_test_img "${TEST_IMG_FILE2}" 35} 36trap "_cleanup; exit \$status" 0 1 2 3 15 37 38_compare() 39{ 40 $QEMU_IMG compare $QEMU_IMG_EXTRA_ARGS "$@" "$TEST_IMG" "${TEST_IMG2}" 41 echo $? 42} 43 44# get standard environment, filters and checks 45. ./common.rc 46. ./common.filter 47. ./common.pattern 48 49_supported_fmt raw qcow2 qed luks 50_supported_proto file 51_supported_os Linux 52# Using 'cp' is incompatible with external data files 53_unsupported_imgopts data_file 54 55# Remove once all tests are fixed to use TEST_IMG_FILE 56# correctly and common.rc sets it unconditionally 57test -z "$TEST_IMG_FILE" && TEST_IMG_FILE=$TEST_IMG 58 59# Setup test basic parameters 60TEST_IMG2=$TEST_IMG.2 61TEST_IMG_FILE2=$TEST_IMG_FILE.2 62CLUSTER_SIZE=4096 63size=128M 64 65_make_test_img $size 66io_pattern write 524288 $CLUSTER_SIZE $CLUSTER_SIZE 4 45 67 68# Compare identical images 69cp "$TEST_IMG_FILE" "${TEST_IMG_FILE2}" 70_compare 71_compare -q 72 73# Compare images with different size 74if [ "$IMGOPTSSYNTAX" = "true" ]; then 75 $QEMU_IMG resize $QEMU_IMG_EXTRA_ARGS "$TEST_IMG" +32M 76else 77 $QEMU_IMG resize -f $IMGFMT "$TEST_IMG" +32M 78fi 79# Ensure extended space is zero-initialized 80$QEMU_IO "$TEST_IMG" -c "write -z $size 32M" | _filter_qemu_io 81 82_compare 83_compare -s 84 85# Compare images with different content 86io_pattern write 1228800 $CLUSTER_SIZE 0 1 67 87_compare 88io_pattern write 0 $CLUSTER_SIZE 0 1 123 89_compare 90 91# Test unaligned case of mismatch offsets in allocated clusters 92_make_test_img $size 93io_pattern write 0 512 0 1 100 94cp "$TEST_IMG_FILE" "$TEST_IMG_FILE2" 95io_pattern write 512 512 0 1 101 96_compare 97 98# Cleanup 99status=0 100