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Diffstat (limited to 'tests/qemu-iotests/122')
| -rwxr-xr-x | tests/qemu-iotests/122 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/qemu-iotests/122 b/tests/qemu-iotests/122 index 85c3a8d047..059011ebb1 100755 --- a/tests/qemu-iotests/122 +++ b/tests/qemu-iotests/122 @@ -257,6 +257,23 @@ for min_sparse in 4k 8k; do $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map done + +echo +echo '=== -n to a non-zero image ===' +echo + +# Keep source zero +_make_test_img 64M + +# Output is not zero, but has bdrv_has_zero_init() == 1 +TEST_IMG="$TEST_IMG".orig _make_test_img 64M +$QEMU_IO -c "write -P 42 0 64k" "$TEST_IMG".orig | _filter_qemu_io + +# Convert with -n, which should not assume that the target is zeroed +$QEMU_IMG convert -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG".orig + +$QEMU_IMG compare "$TEST_IMG" "$TEST_IMG".orig + # success, all done echo '*** done' rm -f $seq.full |