diff options
Diffstat (limited to 'tests/qemu-iotests/066')
| -rwxr-xr-x | tests/qemu-iotests/066 | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/tests/qemu-iotests/066 b/tests/qemu-iotests/066 index 364166d..c2116a3 100755 --- a/tests/qemu-iotests/066 +++ b/tests/qemu-iotests/066 @@ -42,16 +42,18 @@ _supported_fmt qcow2 _supported_proto generic _supported_os Linux +# Intentionally create an unaligned image IMGOPTS="compat=1.1" -IMG_SIZE=64M +IMG_SIZE=$((64 * 1024 * 1024 + 512)) echo -echo "=== Testing snapshotting an image with zero clusters ===" +echo "=== Testing cluster discards ===" echo _make_test_img $IMG_SIZE -# Write some normal clusters, zero them (creating preallocated zero clusters) -# and discard those -$QEMU_IO -c "write 0 256k" -c "write -z 0 256k" -c "discard 0 256k" "$TEST_IMG" \ +# Write some normal clusters, zero some of them (creating preallocated +# zero clusters) and discard everything. Everything should now read as 0. +$QEMU_IO -c "write 0 256k" -c "write -z 0 256k" -c "write 64M 512" \ + -c "discard 0 $IMG_SIZE" -c "read -P 0 0 $IMG_SIZE" "$TEST_IMG" \ | _filter_qemu_io # Check the image (there shouldn't be any leaks) _check_test_img |