1#!/usr/local/bin/ksh93 -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. $STF_SUITE/include/libtest.kshlib
27
28################################################################################
29#
30# __stc_assertion_start
31#
32# ID: zfs_clone_007_pos
33#
34# DESCRIPTION:
35# 'zfs clone -o version=' could upgrade version, but downgrade is denied.
36#
37# STRATEGY:
38# 1. Create clone with "-o version=" specified
39# 2. Verify it succeed while upgrade, but fails while the version downgraded.
40#
41# TESTABILITY: explicit
42#
43# TEST_AUTOMATION_LEVEL: automated
44#
45# CODING_STATUS: COMPLETED (2008-12-16)
46#
47# __stc_assertion_end
48#
49################################################################################
50
51if ! $(check_opt_support "upgrade") ; then
52	log_unsupported "'zfs upgrade' unsupported."
53fi
54
55if ! $(check_opt_support "clone" "-o") ; then
56	log_unsupported "'zfs clone -o' unsupported."
57fi
58
59ZFS_VERSION=$($ZFS upgrade | $HEAD -1 | $AWK '{print $NF}' \
60	| $SED -e 's/\.//g')
61
62verify_runnable "both"
63
64function cleanup
65{
66	if snapexists $SNAPFS ; then
67			log_must $ZFS destroy -Rf $SNAPFS
68	fi
69}
70
71log_onexit cleanup
72
73log_assert "'zfs clone -o version=' could upgrade version," \
74	"but downgrade is denied."
75
76log_must $ZFS snapshot $SNAPFS
77
78typeset -i ver
79
80if (( ZFS_TEST_VERSION == 0 )) ; then
81	(( ZFS_TEST_VERSION = ZFS_VERSION ))
82fi
83
84(( ver = ZFS_TEST_VERSION ))
85while (( ver <= ZFS_VERSION )); do
86	log_must $ZFS clone -o version=$ver $SNAPFS $TESTPOOL/$TESTCLONE
87	cleanup
88	(( ver = ver + 1 ))
89done
90
91(( ver = 0 ))
92while (( ver < ZFS_TEST_VERSION  )); do
93	log_mustnot $ZFS clone -o version=$ver \
94		$SNAPFS $TESTPOOL/$TESTCLONE
95	log_mustnot datasetexists $TESTPOOL/$TESTCLONE
96	cleanup
97	(( ver = ver + 1 ))
98done
99
100log_pass "'zfs clone -o version=' could upgrade version," \
101	"but downgrade is denied."
102