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1 #!/usr/bin/env bash 2 # group: img auto quick 3 ## 4 ## qemu-img compare test 5 ## 6 ## 7 ## Copyright (C) 2013 Red Hat, Inc. 8 ## 9 ## This program is free software; you can redistribute it and/or modify 10 ## it under the terms of the GNU General Public License as published by 11 ## the Free Software Foundation; either version 2 of the License, or 12 ## (at your option) any later version. 13 ## 14 ## This program is distributed in the hope that it will be useful, 15 ## but WITHOUT ANY WARRANTY; without even the implied warranty of 16 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 ## GNU General Public License for more details. 18 ## 19 ## You should have received a copy of the GNU General Public License 20 ## along with this program. If not, see <http://www.gnu.org/licenses/>. 21 ## 22 # 23 # creator 24 owner=mrezanin@redhat.com 25 26 seq=`basename $0` 27 echo "QA output created by $seq" 28 29 status=1 # failure is the default! 30 31 _cleanup() 32 { 33 echo "Cleanup" 34 _cleanup_test_img 35 _rm_test_img "${TEST_IMG_FILE2}" 36 } 37 trap "_cleanup; exit \$status" 0 1 2 3 15 38 39 _compare() 40 { 41 $QEMU_IMG compare $QEMU_IMG_EXTRA_ARGS "$@" "$TEST_IMG" "${TEST_IMG2}" 42 echo $? 43 } 44 45 # get standard environment, filters and checks 46 . ./common.rc 47 . ./common.filter 48 . ./common.pattern 49 50 _supported_fmt raw qcow2 qed luks 51 _supported_proto file 52 _supported_os Linux 53 # Using 'cp' is incompatible with external data files 54 _unsupported_imgopts data_file 55 56 # Remove once all tests are fixed to use TEST_IMG_FILE 57 # correctly and common.rc sets it unconditionally 58 test -z "$TEST_IMG_FILE" && TEST_IMG_FILE=$TEST_IMG 59 60 # Setup test basic parameters 61 TEST_IMG2=$TEST_IMG.2 62 TEST_IMG_FILE2=$TEST_IMG_FILE.2 63 CLUSTER_SIZE=4096 64 size=128M 65 66 _make_test_img $size 67 io_pattern write 524288 $CLUSTER_SIZE $CLUSTER_SIZE 4 45 68 69 # Compare identical images 70 cp "$TEST_IMG_FILE" "${TEST_IMG_FILE2}" 71 _compare 72 _compare -q 73 74 # Compare images with different size 75 if [ "$IMGOPTSSYNTAX" = "true" ]; then 76 $QEMU_IMG resize $QEMU_IMG_EXTRA_ARGS "$TEST_IMG" +32M 77 else 78 $QEMU_IMG resize -f $IMGFMT "$TEST_IMG" +32M 79 fi 80 # Ensure extended space is zero-initialized 81 $QEMU_IO "$TEST_IMG" -c "write -z $size 32M" | _filter_qemu_io 82 83 _compare 84 _compare -s 85 86 # Compare images with different content 87 io_pattern write 1228800 $CLUSTER_SIZE 0 1 67 88 _compare 89 io_pattern write 0 $CLUSTER_SIZE 0 1 123 90 _compare 91 92 # Test unaligned case of mismatch offsets in allocated clusters 93 _make_test_img $size 94 io_pattern write 0 512 0 1 100 95 cp "$TEST_IMG_FILE" "$TEST_IMG_FILE2" 96 io_pattern write 512 512 0 1 101 97 _compare 98 99 # Cleanup 100 status=0