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# $FreeBSD$
24
25#
26# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
27# Use is subject to license terms.
28#
29# ident	"@(#)zfs_clone_007_pos.ksh	1.1	09/01/13 SMI"
30#
31. $STF_SUITE/include/libtest.kshlib
32
33################################################################################
34#
35# __stc_assertion_start
36#
37# ID: zfs_clone_007_pos
38#
39# DESCRIPTION:
40# 'zfs clone -o version=' could upgrade version, but downgrade is denied.
41#
42# STRATEGY:
43# 1. Create clone with "-o version=" specified
44# 2. Verify it succeed while upgrade, but fails while the version downgraded.
45#
46# TESTABILITY: explicit
47#
48# TEST_AUTOMATION_LEVEL: automated
49#
50# CODING_STATUS: COMPLETED (2008-12-16)
51#
52# __stc_assertion_end
53#
54################################################################################
55
56if ! $(check_opt_support "upgrade") ; then
57	log_unsupported "'zfs upgrade' unsupported."
58fi
59
60if ! $(check_opt_support "clone" "-o") ; then
61	log_unsupported "'zfs clone -o' unsupported."
62fi
63
64ZFS_VERSION=$($ZFS upgrade | $HEAD -1 | $AWK '{print $NF}' \
65	| $SED -e 's/\.//g')
66
67verify_runnable "both"
68
69function cleanup
70{
71	if snapexists $SNAPFS ; then
72			log_must $ZFS destroy -Rf $SNAPFS
73	fi
74}
75
76log_onexit cleanup
77
78log_assert "'zfs clone -o version=' could upgrade version," \
79	"but downgrade is denied."
80
81log_must $ZFS snapshot $SNAPFS
82
83typeset -i ver
84
85if (( ZFS_TEST_VERSION == 0 )) ; then
86	(( ZFS_TEST_VERSION = ZFS_VERSION ))
87fi
88
89(( ver = ZFS_TEST_VERSION ))
90while (( ver <= ZFS_VERSION )); do
91	log_must $ZFS clone -o version=$ver $SNAPFS $TESTPOOL/$TESTCLONE
92	cleanup
93	(( ver = ver + 1 ))
94done
95
96(( ver = 0 ))
97while (( ver < ZFS_TEST_VERSION  )); do
98	log_mustnot $ZFS clone -o version=$ver \
99		$SNAPFS $TESTPOOL/$TESTCLONE
100	log_mustnot datasetexists $TESTPOOL/$TESTCLONE
101	cleanup
102	(( ver = ver + 1 ))
103done
104
105log_pass "'zfs clone -o version=' could upgrade version," \
106	"but downgrade is denied."
107