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 https://opensource.org/licenses/CDDL-1.0.
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 | grep -wom1 '[[:digit:]]*')
44
45verify_runnable "both"
46
47function cleanup
48{
49	snapexists $SNAPFS && destroy_dataset $SNAPFS -Rf
50}
51
52log_onexit cleanup
53
54log_assert "'zfs clone -o version=' could upgrade version," \
55	"but downgrade is denied."
56
57log_must zfs snapshot $SNAPFS
58
59typeset -i ver
60
61if (( ZFS_TEST_VERSION == 0 )) ; then
62	(( ZFS_TEST_VERSION = ZFS_VERSION ))
63fi
64
65(( ver = ZFS_TEST_VERSION ))
66while (( ver <= ZFS_VERSION )); do
67	log_must zfs clone -o version=$ver $SNAPFS $TESTPOOL/$TESTCLONE
68	cleanup
69	(( ver = ver + 1 ))
70done
71
72(( ver = 0 ))
73while (( ver < ZFS_TEST_VERSION  )); do
74	log_mustnot zfs clone -o version=$ver \
75		$SNAPFS $TESTPOOL/$TESTCLONE
76	log_mustnot datasetexists $TESTPOOL/$TESTCLONE
77	cleanup
78	(( ver = ver + 1 ))
79done
80
81log_pass "'zfs clone -o version=' could upgrade version," \
82	"but downgrade is denied."
83