qemu/tests/qemu-iotests/042
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   1#!/usr/bin/env bash
   2# group: rw auto quick
   3#
   4# Test qemu-img operation on zero size images
   5#
   6# Copyright (C) 2012 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
  23owner=kwolf@redhat.com
  24
  25seq=`basename $0`
  26echo "QA output created by $seq"
  27
  28status=1        # failure is the default!
  29
  30_cleanup()
  31{
  32        _cleanup_test_img
  33}
  34trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36# get standard environment, filters and checks
  37. ./common.rc
  38. ./common.filter
  39
  40_supported_fmt qcow2 qed
  41_supported_proto file
  42
  43echo
  44echo "== Creating zero size image =="
  45
  46_make_test_img 0
  47_check_test_img
  48
  49mv "$TEST_IMG" "$TEST_IMG.orig"
  50
  51echo
  52echo "== Converting the image =="
  53
  54$QEMU_IMG convert -O $IMGFMT "$TEST_IMG.orig" "$TEST_IMG"
  55_check_test_img
  56
  57echo
  58echo "== Converting the image, compressed =="
  59
  60if [ "$IMGFMT" == "qcow2" ]; then
  61    $QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG.orig" "$TEST_IMG"
  62fi
  63_check_test_img
  64
  65echo
  66echo "== Rebasing the image =="
  67
  68$QEMU_IMG rebase -u -b "$TEST_IMG.orig" -F $IMGFMT "$TEST_IMG"
  69$QEMU_IMG rebase -b "$TEST_IMG.orig" -F $IMGFMT "$TEST_IMG"
  70_check_test_img
  71
  72# success, all done
  73echo "*** done"
  74rm -f $seq.full
  75status=0
  76
  77