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33 # Concatenating sparse and data files should have observable extents.
41 requires nbdsh
--base-allocation
42 requires
$TRUNCATE --help
45 files
="test-split-extents.1 test-split-extents.2"
47 cleanup_fn
rm -f $files
49 # Create two files, each half data and half sparse
50 $TRUNCATE -s 512k test-split-extents
.1
51 if test "$($STAT -c %b test-split-extents.1)" != 0; then
52 echo "$0: unable to create sparse file, skipping this test"
55 printf %$
((512*1024))d
1 >> test-split-extents
.1
56 printf %$
((512*1024))d
1 >> test-split-extents
.2
57 $TRUNCATE -s 1M test-split-extents
.2
59 # Test the split plugin
60 nbdkit
-v -U - split test-split-extents
.1 test-split-extents
.2 \
61 --run 'nbdsh --base-allocation --uri "$uri" -c "
63 def f(metacontext, offset, e, err):
66 assert metacontext == nbd.CONTEXT_BASE_ALLOCATION
68 h.block_status(2 * 1024 * 1024, 0, f)
69 assert entries == [ 512 * 1024, 3,
73 # With req one, extents stop at file boundaries
74 h.block_status(1024 * 1024, 768 * 1024, f, nbd.CMD_FLAG_REQ_ONE)
75 assert entries == [ 256 * 1024, 0 ]