1# vim: filetype=sh
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]
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20# CDDL HEADER END
21#
22
23#
24# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27# ident	"@(#)zfs_get_common.kshlib	1.3	07/03/14 SMI"
28#
29
30. $STF_SUITE/include/libtest.kshlib
31
32#
33# According to $elements, $prefix and $separator, the function random produce
34# the number of $counter combination.
35#
36# $1 elements which is used to get the combination.
37# $2 prefix is appended to the combination
38# $3 separator between the combination, such as ' ' or ','
39# $4 counter is the number of combination which you want to get.
40#
41function gen_option_str # $elements $prefix $separator $counter
42{
43	typeset elements=""
44	typeset prefix=${2}
45	typeset separator=${3}
46	typeset -i counter=${4:-0}
47	typeset -i i=0
48	typeset comb_str=""
49
50	for e in $1; do
51		elements[i]="$e"
52		(( i += 1 ))
53	done
54	(( ${#elements[@]} == 0 )) && log_fail "The elements can't be empty."
55
56	typeset -i item=0
57	typeset -i j=0
58	typeset -i numb_item=0
59
60	# Loop and get the specified number combination strings.
61	i=0
62	while (( i < counter )); do
63		j=0
64		numb_item=0
65		comb_str=""
66
67		# Get random number items for each combinations.
68		(( numb_item = ($RANDOM % ${#elements[@]}) + 1 ))
69
70		while (( j < numb_item )); do
71			# Random select elements from the array
72			(( item = $RANDOM % ${#elements[@]} ))
73
74			if (( ${#comb_str} == 0 )); then
75				comb_str=${elements[item]}
76			else
77				comb_str=$comb_str$separator${elements[item]}
78			fi
79			(( j += 1 ))
80		done
81
82		print "$prefix$comb_str"
83
84		(( i += 1 ))
85	done
86}
87
88#
89# Cleanup the volume snapshot and filesystem snapshot were created for
90# this test case.
91#
92function cleanup
93{
94	datasetexists $TESTPOOL/$TESTVOL@$TESTSNAP && \
95		destroy_snapshot $TESTPOOL/$TESTVOL@$TESTSNAP
96	datasetexists $TESTPOOL/$TESTFS@$TESTSNAP && \
97		destroy_snapshot $TESTPOOL/$TESTFS@$TESTSNAP
98
99	[[ -e $TESTFILE0 ]] && log_must $RM $TESTFILE0
100}
101