4 # Test case for snapshotting images with unallocated zero clusters in
7 # Copyright (C) 2013 Red Hat, Inc.
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.
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.
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/>.
24 owner=hreitz@redhat.com
27 echo "QA output created by $seq"
29 status=1 # failure is the default!
35 trap "_cleanup; exit \$status" 0 1 2 3 15
37 # get standard environment, filters and checks
41 # This tests qcow2-specific low-level functionality
43 _supported_proto generic
44 # We need zero clusters and snapshots
45 _unsupported_imgopts 'compat=0.10' 'refcount_bits=1[^0-9]' data_file
50 echo "=== Testing snapshotting an image with zero clusters ==="
52 _make_test_img $IMG_SIZE
53 # Write some zero clusters
54 $QEMU_IO -c "write -z 0 256k" "$TEST_IMG" | _filter_qemu_io
56 $QEMU_IMG snapshot -c foo "$TEST_IMG"
57 # Check the image (there shouldn't be any errors or leaks)