diff options
-rwxr-xr-x | tests/qemu-iotests/150 | 105 | ||||
-rw-r--r-- | tests/qemu-iotests/150.out | 14 | ||||
-rw-r--r-- | tests/qemu-iotests/group | 1 |
3 files changed, 120 insertions, 0 deletions
diff --git a/tests/qemu-iotests/150 b/tests/qemu-iotests/150 new file mode 100755 index 0000000000..97d2a35bfc --- /dev/null +++ b/tests/qemu-iotests/150 @@ -0,0 +1,105 @@ +#!/bin/bash +# +# Test that qemu-img convert -S 0 fully allocates the target image +# +# 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=mreitz@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 +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter + +_supported_fmt generic +_supported_proto file +_supported_os Linux + + +on_disk_size() +{ + du "$@" | sed -e 's/\t\+.*//' +} + + +img_size=1048576 + + +echo +echo '=== Comparing empty image against sparse conversion ===' +echo + +_make_test_img $img_size + +empty_size=$(on_disk_size "$TEST_IMG") + + +$QEMU_IMG_PROG convert -O "$IMGFMT" -S 512 \ + "json:{ 'driver': 'null-co', 'size': $img_size, 'read-zeroes': true }" \ + "$TEST_IMG" + +sparse_convert_size=$(on_disk_size "$TEST_IMG") + + +if [ "$empty_size" -eq "$sparse_convert_size" ]; then + echo 'Equal image size' +else + echo 'Different image size' +fi + + +echo +echo '=== Comparing full image against non-sparse conversion ===' +echo + +_make_test_img $img_size +$QEMU_IO -c "write 0 $img_size" "$TEST_IMG" | _filter_qemu_io + +full_size=$(on_disk_size "$TEST_IMG") + + +$QEMU_IMG convert -O "$IMGFMT" -S 0 \ + "json:{ 'driver': 'null-co', 'size': $img_size, 'read-zeroes': true }" \ + "$TEST_IMG" + +non_sparse_convert_size=$(on_disk_size "$TEST_IMG") + + +if [ "$full_size" -eq "$non_sparse_convert_size" ]; then + echo 'Equal image size' +else + echo 'Different image size' +fi + + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 diff --git a/tests/qemu-iotests/150.out b/tests/qemu-iotests/150.out new file mode 100644 index 0000000000..2d29da13e7 --- /dev/null +++ b/tests/qemu-iotests/150.out @@ -0,0 +1,14 @@ +QA output created by 150 + +=== Comparing empty image against sparse conversion === + +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 +Equal image size + +=== Comparing full image against non-sparse conversion === + +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 +wrote 1048576/1048576 bytes at offset 0 +1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +Equal image size +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 92ae8ecaaf..2952b9d9cc 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -151,3 +151,4 @@ 146 auto quick 148 rw auto quick 149 rw auto sudo +150 rw auto quick |