tests/test-swab-64w.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright Red Hat
   4 #
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   6 # modification, are permitted provided that the following conditions are
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  12 # * Redistributions in binary form must reproduce the above copyright
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  17 # used to endorse or promote products derived from this software without
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  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,
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  26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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  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 swab filter.
  34
  35 source ./functions.sh
  36 set -e
  37 set -x
  38
  39 requires_run
  40 requires_nbdsh_uri
  41 requires hexdump --version
  42
  43 file=swab-64w.img
  44 rm -f $file
  45 cleanup_fn rm -f $file
  46
  47 $TRUNCATE -s 512 $file
  48
  49 # Write to the file through the filter.
  50 nbdkit -U - --filter=swab file $file swab-bits=64 --run '
  51     nbdsh --uri "$uri" -c "h.pwrite(b\"abcdefghijklmnop\", 256)"
  52 '
  53
  54 # Check byte-swapped data was written.
  55 if [ "$(hexdump -C $file)" != "\
  56 00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
  57 *
  58 00000100  68 67 66 65 64 63 62 61  70 6f 6e 6d 6c 6b 6a 69  |hgfedcbaponmlkji|
  59 00000110  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
  60 *
  61 00000200" ]; then
  62     echo "$0: unexpected output from filter or hexdump"
  63     exit 1
  64 fi