qemu-iotests: test 'offset' and 'size' options in raw driver

Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

1 files changed, 212 insertions, 0 deletions

diff --git a/tests/qemu-iotests/171 b/tests/qemu-iotests/171
new file mode 100755
index 0000000000..257be10a0e
--- /dev/null
+++ b/tests/qemu-iotests/171
@@ -0,0 +1,212 @@
+#!/bin/bash
+#
+# Test 'offset' and 'size' options of the raw driver. Make sure we can't
+# (or can) read and write outside of the image size.
+#
+# Copyright (C) 2016 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=tgolembi@redhat.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+status=1	# failure is the default!
+
+_cleanup()
+{
+    _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt raw
+_supported_proto file
+_supported_os Linux
+
+
+# Create JSON with options
+img_json() {
+    echo -n 'json:{"driver":"raw", '
+    echo -n "\"offset\":\"$img_offset\", "
+    if [ "$img_size" -ne -1 ] ; then
+        echo -n "\"size\":\"$img_size\", "
+    fi
+    echo -n '"file": {'
+    echo -n    '"driver":"file", '
+    echo -n    "\"filename\":\"$TEST_IMG\" "
+    echo -n "} }"
+}
+
+do_general_test() {
+    if [ "$img_size" -ge 0 ] ; then
+        test_size=$img_size
+    else
+        test_size=$((size-img_offset))
+    fi
+
+    echo
+    echo "write to image"
+    $QEMU_IO -c "write -P 0x0a 0 $test_size" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "read the image"
+    $QEMU_IO -c "read -P 0x0a 0 $test_size" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "check that offset is respected"
+    $QEMU_IO -c "read -v $((img_offset-2)) 4" $TEST_IMG | _filter_qemu_io
+
+    echo
+    echo "write before image boundary"
+    $QEMU_IO -c "write $((test_size-1)) 1" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "write across image boundary"
+    $QEMU_IO -c "write $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "write at image boundary"
+    $QEMU_IO -c "write $test_size 1" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "write after image boundary"
+    $QEMU_IO -c "write $((test_size+512)) 1" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "writev before/after image boundary"
+    $QEMU_IO -c "writev $((test_size-512)) 512 512" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "read before image boundary"
+    $QEMU_IO -c "read $((test_size-1)) 1" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "read across image boundary"
+    $QEMU_IO -c "read $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "read at image boundary"
+    $QEMU_IO -c "read $test_size 1" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "read after image boundary"
+    $QEMU_IO -c "read $((test_size+512)) 1" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "readv before/after image boundary"
+    $QEMU_IO -c "readv $((test_size-512)) 512 512" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "fill image with pattern"
+    $QEMU_IO -c "write -P 0x0a 0 $size" $TEST_IMG | _filter_qemu_io
+
+    echo
+    echo "write zeroes and check"
+    $QEMU_IO -c "write -z 0 512" "$(img_json)" | _filter_qemu_io
+    $QEMU_IO -c "read -v $((img_offset-2)) 4" $TEST_IMG | _filter_qemu_io
+
+    echo
+    echo "write zeroes across image boundary"
+    $QEMU_IO -c "write -z $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "write zeroes at image boundary and check"
+    $QEMU_IO -c "write -z $((test_size-2)) 2" "$(img_json)" | _filter_qemu_io
+    $QEMU_IO -c "read -v $((img_offset+test_size-2)) 2" $TEST_IMG | _filter_qemu_io
+    $QEMU_IO -c "read -v $((img_offset+test_size)) 2" $TEST_IMG | _filter_qemu_io
+
+    echo
+    echo "fill image with pattern"
+    $QEMU_IO -c "write -P 0x0a 0 $size" $TEST_IMG | _filter_qemu_io
+
+    echo
+    echo "discard and check"
+    $QEMU_IO -c "discard 0 512" "$(img_json)" | _filter_qemu_io
+    $QEMU_IO -c "read -v $((img_offset-2)) 4" $TEST_IMG | _filter_qemu_io
+
+    echo
+    echo "discard across image boundary"
+    $QEMU_IO -c "discard $((test_size-1)) 2" "$(img_json)" | _filter_qemu_io
+
+    echo
+    echo "discard at image boundary and check"
+    $QEMU_IO -c "discard $((test_size-2)) 2" "$(img_json)" | _filter_qemu_io
+    $QEMU_IO -c "read -v $((img_offset+test_size-2)) 2" $TEST_IMG | _filter_qemu_io
+    $QEMU_IO -c "read -v $((img_offset+test_size)) 2" $TEST_IMG | _filter_qemu_io
+}
+
+echo
+echo "== test 'offset' option =="
+size=4096
+img_offset=512
+img_size=-1
+_make_test_img $size
+do_general_test
+_cleanup_test_img
+
+echo
+echo "== test 'offset' and 'size' options =="
+size=4096
+img_offset=512
+img_size=2048
+_make_test_img $size
+do_general_test
+_cleanup_test_img
+
+echo
+echo "== test misaligned 'offset' =="
+size=4096
+img_offset=10
+img_size=2048
+_make_test_img $size
+do_general_test
+_cleanup_test_img
+
+echo
+echo "== test reopen =="
+size=4096
+img_offset=512
+img_size=512
+_make_test_img $size
+(
+$QEMU_IO "$(img_json)"  <<EOT
+write -P 0x0a 0 512
+write -P 0x0a 511 1
+write -P 0x0a 512 1
+reopen -o driver=raw,offset=1536,size=1024
+write -P 0x0a 0 1024
+write -P 0x0a 1023 1
+write -P 0x0a 1024 1
+EOT
+) | _filter_qemu_io
+echo "checking boundaries"
+$QEMU_IO -c "read -v 510 4" $TEST_IMG | _filter_qemu_io
+$QEMU_IO -c "read -v 1022 4" $TEST_IMG | _filter_qemu_io
+$QEMU_IO -c "read -v 1534 4" $TEST_IMG | _filter_qemu_io
+$QEMU_IO -c "read -v 2558 4" $TEST_IMG | _filter_qemu_io
+_cleanup_test_img
+
+# success, all done
+echo
+echo "*** done"
+rm -f $seq.full
+status=0