tests/test-truncate3.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright Red Hat
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  32
  33 # Regression test for problem with truncate filter and C type
  34 # promotion, spotted by Eric Blake.
  35
  36 source ./functions.sh
  37 set -e
  38 set -x
  39
  40 requires qemu-img --version
  41
  42 sock=$(mktemp -u /tmp/nbdkit-test-sock.XXXXXX)
  43 files="truncate3.out truncate3.pid $sock"
  44 rm -f $files
  45 cleanup_fn rm -f $files
  46
  47 # Run nbdkit with pattern plugin and truncate filter in front.
  48 start_nbdkit -P truncate3.pid -U $sock \
  49        --filter=truncate \
  50        pattern 5G \
  51        round-up=512
  52
  53 qemu-img info --output=json nbd:unix:$sock > truncate3.out
  54 if ! grep '"virtual-size": *5368709120' truncate3.out; then
  55     echo "$0: unexpected output from truncate3 regression test:"
  56     cat truncate3.out
  57     exit 1
  58 fi