tests/test-memory-allocator-malloc.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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  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 #
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  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
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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 the memory plugin with the malloc allocator.
  34
  35 source ./functions.sh
  36 set -e
  37
  38 requires_nbdsh_uri
  39
  40 sock=$(mktemp -u /tmp/nbdkit-test-sock.XXXXXX)
  41 files="memory-allocator-malloc.pid $sock"
  42 rm -f $files
  43 cleanup_fn rm -f $files
  44
  45 # Run nbdkit with memory plugin.
  46 start_nbdkit -P memory-allocator-malloc.pid -U $sock \
  47              memory 16M allocator=malloc
  48
  49 nbdsh --connect "nbd+unix://?socket=$sock" \
  50       -c '
  51 # Write some stuff to the beginning, middle and end.
  52 buf1 = b"1" * 512
  53 h.pwrite(buf1, 0)
  54 buf2 = b"2" * 65536
  55 h.pwrite(buf2, 8*1024*1024+1)
  56 buf3 = b"3" * 512
  57 h.pwrite(buf3, 16*1024*1024-512)
  58
  59 # Read it back.
  60 buf11 = h.pread(len(buf1), 0)
  61 assert buf1 == buf11
  62 buf22 = h.pread(len(buf2), 8*1024*1024+1)
  63 assert buf2 == buf22
  64 buf33 = h.pread(len(buf3), 16*1024*1024-512)
  65 assert buf3 == buf33
  66 '