Commit c2acc95b authored by Max Reitz's avatar Max Reitz
Browse files

iotests: Test convert -n to pre-filled image 



Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
Message-id: 20190724171239.8764-11-mreitz@redhat.com
Reviewed-by: default avatarMaxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
parent 5a840549

tests/qemu-iotests/122

+17 −0
Original line number Diff line number Diff line
@@ -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

tests/qemu-iotests/122.out

+8 −0
Original line number Diff line number Diff line
@@ -220,4 +220,12 @@ convert -c -S 8k 
{ "start": 9216, "length": 8192, "depth": 0, "zero": true, "data": false},

{ "start": 17408, "length": 1024, "depth": 0, "zero": false, "data": true},

{ "start": 18432, "length": 67090432, "depth": 0, "zero": true, "data": false}]



=== -n to a non-zero image ===



Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864

Formatting 'TEST_DIR/t.IMGFMT.orig', fmt=IMGFMT size=67108864

wrote 65536/65536 bytes at offset 0

64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

Images are identical.

*** done