#!/usr/bin/env bash
# nbdkit
# Copyright Red Hat
#
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# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

# Run nbdkit + nbdcopy with various plugins with checkwrite on top.

source ./functions.sh
set -e
set -x
set -u

requires_run
requires_filter checkwrite

# nbdcopy >= 1.5.9 required for this test.
requires_nbdcopy
requires_libnbd_version 1.5.9

do_test ()
{
    nbdkit -v --filter=checkwrite "$@" --run 'nbdcopy "$uri" "$uri"'
}

# Tests zero-sized disk.
do_test null

# Test of extents.  Should be instantaneous despite the large disk
# because nbdcopy will skip the whole disk.  Choose various disk sizes
# to try to exercise the request and work sizes inside nbdcopy.
do_test memory 1M
do_test memory 256M
do_test memory 10G

# Data disks with a mix of data and holes.
do_test data "@32767 1"
do_test data "@32768 1"
do_test data "@32768 1" size=64K
do_test data "1 @0x100000000 1"

# Non-sparse disk containing fixed pattern.
do_test pattern 1M

# Use of an odd offset here should test corner cases in extent
# handling.
do_test --filter=offset data "1 @0x100000000 1" offset=1

if test -f disk; then
    do_test file disk
fi
