tests/test-data-reloffset.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright (C) 2018-2020 Red Hat Inc.
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  32
  33 # Test the data plugin with @+N and @-N relative offsets.
  34
  35 source ./functions.sh
  36 set -e
  37 set -x
  38
  39 requires_run
  40 requires_nbdsh_uri
  41 requires_nbdinfo
  42
  43 out=data-reloffset.out
  44 rm -f $out
  45 cleanup_fn rm -f $out
  46
  47 # A series of relative offset moves should result in a
  48 # final disk size we can check.
  49 nbdkit -v -U - data '@+10 @-5 @-4 @+20' --run 'nbdinfo --size "$uri"' > $out
  50 test "$(cat $out)" -eq 21
  51
  52 # Trying to move negative should be an error.
  53 if nbdkit -v -U - data '@+10 @-11' --run 'exit 0' ; then
  54     echo "$0: expected error"
  55     exit 1
  56 fi