| 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 |