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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /tests/qemu-iotests/043 | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'tests/qemu-iotests/043')
-rwxr-xr-x | tests/qemu-iotests/043 | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/tests/qemu-iotests/043 b/tests/qemu-iotests/043 new file mode 100755 index 00000000..b316b97c --- /dev/null +++ b/tests/qemu-iotests/043 @@ -0,0 +1,95 @@ +#!/bin/bash +# +# Test that qemu-img info --backing-chain detects infinite loops +# +# Copyright (C) 2012 Red Hat, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +# creator +owner=stefanha@redhat.com + +seq=`basename $0` +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! + +_cleanup() +{ + _cleanup_test_img + rm -f "$TEST_IMG".[123].base +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter + +# Any format supporting backing files +_supported_fmt qcow2 qed +_supported_proto file +_supported_os Linux + + +size=128M +_make_test_img $size +$QEMU_IMG rebase -u -b "$TEST_IMG" "$TEST_IMG" + +echo +echo "== backing file references self ==" +_img_info --backing-chain + +_make_test_img $size +mv "$TEST_IMG" "$TEST_IMG.base" +_make_test_img -b "$TEST_IMG.base" $size +$QEMU_IMG rebase -u -b "$TEST_IMG" "$TEST_IMG.base" + +echo +echo "== parent references self ==" +_img_info --backing-chain + +_make_test_img $size +mv "$TEST_IMG" "$TEST_IMG.1.base" +_make_test_img -b "$TEST_IMG.1.base" $size +mv "$TEST_IMG" "$TEST_IMG.2.base" +_make_test_img -b "$TEST_IMG.2.base" $size +mv "$TEST_IMG" "$TEST_IMG.3.base" +_make_test_img -b "$TEST_IMG.3.base" $size +$QEMU_IMG rebase -u -b "$TEST_IMG.2.base" "$TEST_IMG.1.base" + +echo +echo "== ancestor references another ancestor ==" +_img_info --backing-chain + +_make_test_img $size +mv "$TEST_IMG" "$TEST_IMG.1.base" +_make_test_img -b "$TEST_IMG.1.base" $size +mv "$TEST_IMG" "$TEST_IMG.2.base" +_make_test_img -b "$TEST_IMG.2.base" $size + +echo +echo "== finite chain of length 3 (human) ==" +_img_info --backing-chain + +echo +echo "== finite chain of length 3 (json) ==" +_img_info --backing-chain --output=json + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 |