1#!/bin/ksh -p
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27
28#
29# Copyright (c) 2012, 2016 by Delphix. All rights reserved.
30#
31
32. $STF_SUITE/include/libtest.shlib
33
34#
35# DESCRIPTION:
36# 'zfs clone -o version=' could upgrade version, but downgrade is denied.
37#
38# STRATEGY:
39# 1. Create clone with "-o version=" specified
40# 2. Verify it succeed while upgrade, but fails while the version downgraded.
41#
42
43ZFS_VERSION=$(zfs upgrade | head -1 | awk '{print $NF}' \
44	| sed -e 's/\.//g')
45
46verify_runnable "both"
47
48function cleanup
49{
50	if snapexists $SNAPFS ; then
51			log_must zfs destroy -Rf $SNAPFS
52	fi
53}
54
55log_onexit cleanup
56
57log_assert "'zfs clone -o version=' could upgrade version," \
58	"but downgrade is denied."
59
60log_must zfs snapshot $SNAPFS
61
62typeset -i ver
63
64if (( ZFS_TEST_VERSION == 0 )) ; then
65	(( ZFS_TEST_VERSION = ZFS_VERSION ))
66fi
67
68(( ver = ZFS_TEST_VERSION ))
69while (( ver <= ZFS_VERSION )); do
70	log_must zfs clone -o version=$ver $SNAPFS $TESTPOOL/$TESTCLONE
71	cleanup
72	(( ver = ver + 1 ))
73done
74
75(( ver = 0 ))
76while (( ver < ZFS_TEST_VERSION  )); do
77	log_mustnot zfs clone -o version=$ver \
78		$SNAPFS $TESTPOOL/$TESTCLONE
79	log_mustnot datasetexists $TESTPOOL/$TESTCLONE
80	cleanup
81	(( ver = ver + 1 ))
82done
83
84log_pass "'zfs clone -o version=' could upgrade version," \
85	"but downgrade is denied."
86