tests/test-pattern-largest.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright (C) 2018 Red Hat Inc.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions are
   7 # met:
   8 #
   9 # * Redistributions of source code must retain the above copyright
  10 # notice, this list of conditions and the following disclaimer.
  11 #
  12 # * Redistributions in binary form must reproduce the above copyright
  13 # notice, this list of conditions and the following disclaimer in the
  14 # documentation and/or other materials provided with the distribution.
  15 #
  16 # * Neither the name of Red Hat nor the names of its contributors may be
  17 # used to endorse or promote products derived from this software without
  18 # specific prior written permission.
  19 #
  20 # THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  22 # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  23 # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  24 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  27 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  28 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  29 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  30 # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31 # SUCH DAMAGE.
  32
  33 # Test the pattern plugin with the largest possible size supported
  34 # by nbdkit.
  35
  36 source ./functions.sh
  37 set -e
  38
  39 requires qemu-io --version
  40
  41 sock=`mktemp -u`
  42 files="pattern-largest.out pattern-largest.pid $sock"
  43 rm -f $files
  44 cleanup_fn rm -f $files
  45
  46 # Run nbdkit with pattern plugin.
  47 # size = 2^63-1
  48 start_nbdkit -P pattern-largest.pid -U $sock \
  49        pattern 9223372036854775807
  50
  51 # qemu cannot open this image!
  52 #
  53 #   can't open device nbd+unix://?socket=$sock: Could not get image size: File too large
  54 #
  55 # Therefore we skip the remainder of this test (in effect, testing
  56 # only that nbdkit can create the file).
  57 exit 77
  58
  59 # XXX Unfortunately qemu-io can only issue 512-byte aligned requests,
  60 # and the final block is only 511 bytes, so we have to request the 512
  61 # bytes before that block.
  62 qemu-io -r -f raw "nbd+unix://?socket=$sock" \
  63         -c 'r -v 9223372036854774784 512' | grep -E '^[[:xdigit:]]+:' > pattern-largest.out
  64 if [ "$(cat pattern-largest.out)" != "XXX EXPECTED PATTERN HERE" ]
  65 then
  66     echo "$0: unexpected pattern:"
  67     cat pattern-largest.out
  68     exit 1
  69 fi