xref: /openbmc/qemu/tests/qemu-iotests/101 (revision cfb5387a)
1#!/usr/bin/env bash
2# group: rw quick
3#
4# Test short file I/O
5#
6# Copyright (C) 2014 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=stefanha@redhat.com
24
25seq=`basename $0`
26echo "QA output created by $seq"
27
28status=1	# failure is the default!
29
30_cleanup()
31{
32	_cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39
40_supported_fmt raw
41_supported_proto file
42_supported_os Linux
43
44
45echo
46echo "== creating short image file =="
47dd if=/dev/zero of="$TEST_IMG" bs=1 count=320
48
49echo
50echo "== reading bytes beyond EOF gives zeroes =="
51$QEMU_IO -c "read -P 0 0 512" "$TEST_IMG" | _filter_qemu_io
52
53
54# success, all done
55echo "*** done"
56rm -f $seq.full
57status=0
58