tests/qemu-iotests/048

   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