#!/usr/bin/ksh

#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source.  A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#

#
# Copyright (c) 2015 by Delphix. All rights reserved.
#

. $STF_SUITE/tests/functional/rsend/rsend.kshlib

#
# Description:
# Verify a pool without the lz4 feature enabled can create compressed send
# streams, and that they can be received into pools with or without the
# lz4 feature.
#
# Strategy:
# 1. For each of an uncompressed, and gzip dataset created from a pool with
#    the lz4 feature disabled, receive the stream into a pool with and without
#    the feature enabled.
#

verify_runnable "both"

log_assert "Verify compressed streams are rejected if incompatible."

typeset send_ds=$POOL2/testds
typeset recv_ds=$POOL3/testds

function cleanup
{
	poolexists $POOL2 && destroy_pool $POOL2
	poolexists $POOL3 && destroy_pool $POOL3
	log_must zpool create $POOL2 $DISK2
}
log_onexit cleanup

datasetexists $POOL2 && log_must zpool destroy $POOL2
log_must zpool create -d $POOL2 $DISK2

for compress in off gzip; do
	for pool_opt in '' -d; do
		poolexists $POOL3 && destroy_pool $POOL3
		log_must zpool create $pool_opt $POOL3 $DISK3

		datasetexists $send_ds && log_must zfs destroy -r $send_ds
		datasetexists $recv_ds && log_must zfs destroy -r $recv_ds

		log_must zfs create -o compress=$compress $send_ds
		typeset dir=$(get_prop mountpoint $send_ds)
		write_compressible $dir 16m
		log_must zfs snapshot $send_ds@full

		log_must eval "zfs send -c $send_ds@full >$BACKDIR/full-c"
		log_must eval "zfs recv $recv_ds <$BACKDIR/full-c"

		log_must zfs destroy -r $recv_ds

		log_must eval "zfs send $send_ds@full >$BACKDIR/full"
		log_must eval "zfs recv $recv_ds <$BACKDIR/full"
	done
done

log_pass "Compressed streams are rejected if incompatible."