tests/qemu-iotests/048

   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
  23 owner=mrezanin@redhat.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32     echo "Cleanup"
  33     _cleanup_test_img
  34     _rm_test_img "${TEST_IMG_FILE2}"
  35 }
  36 trap "_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 $?
  42 }
  43
  44 # get standard environment, filters and checks
  45 . ./common.rc
  46 . ./common.filter
  47 . ./common.pattern
  48
  49 _supported_fmt raw qcow2 qed luks
  50 _supported_proto file
  51 _supported_os Linux
  52 # Using 'cp' is incompatible with external data files
  53 _unsupported_imgopts data_file
  54
  55 # Remove once all tests are fixed to use TEST_IMG_FILE
  56 # correctly and common.rc sets it unconditionally
  57 test -z "$TEST_IMG_FILE" && TEST_IMG_FILE=$TEST_IMG
  58
  59 # Setup test basic parameters
  60 TEST_IMG2=$TEST_IMG.2
  61 TEST_IMG_FILE2=$TEST_IMG_FILE.2
  62 CLUSTER_SIZE=4096
  63 size=128M
  64
  65 _make_test_img $size
  66 io_pattern write 524288 $CLUSTER_SIZE $CLUSTER_SIZE 4 45
  67
  68 # Compare identical images
  69 cp "$TEST_IMG_FILE" "${TEST_IMG_FILE2}"
  70 _compare
  71 _compare -q
  72
  73 # Compare images with different size
  74 if [ "$IMGOPTSSYNTAX" = "true" ]; then
  75     $QEMU_IMG resize $QEMU_IMG_EXTRA_ARGS "$TEST_IMG" +32M
  76 else
  77     $QEMU_IMG resize -f $IMGFMT "$TEST_IMG" +32M
  78 fi
  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
  86 io_pattern write 1228800 $CLUSTER_SIZE 0 1 67
  87 _compare
  88 io_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 $size
  93 io_pattern write 0 512 0 1 100
  94 cp "$TEST_IMG_FILE" "$TEST_IMG_FILE2"
  95 io_pattern write 512 512 0 1 101
  96 _compare
  97
  98 # Cleanup
  99 status=0