xref: /titanic_50/usr/src/lib/libshell/common/tests/sun_solaris_staticvariables.sh (revision 3e14f97f673e8a630f076077de35afdd43dc1587)
1#
2# CDDL HEADER START
3#
4# The contents of this file are subject to the terms of the
5# Common Development and Distribution License (the "License").
6# You may not use this file except in compliance with the License.
7#
8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9# or http://www.opensolaris.org/os/licensing.
10# See the License for the specific language governing permissions
11# and limitations under the License.
12#
13# When distributing Covered Code, include this CDDL HEADER in each
14# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15# If applicable, add the following below this CDDL HEADER, with the
16# fields enclosed by brackets "[]" replaced with your own identifying
17# information: Portions Copyright [yyyy] [name of copyright owner]
18#
19# CDDL HEADER END
20#
21
22#
23# Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
24#
25
26function err_exit2
27{
28	print -u2 -n "\t"
29	print -u2 -r ${Command}[$1]: "${@:2}"
30	(( Errors < 127 && Errors++ ))
31}
32
33function testfunc
34{
35	integer line_number=$1
36	typeset cmd="$2"
37	typeset expected_output="$3"
38	typeset output
39
40	output="$($SHELL -c "${cmd}" 2>&1 )"
41
42	[[ "${output}" != "${expected_output}" ]] && err_exit2 ${line_number} "${output} != ${expected_output}"
43}
44alias testfunc='testfunc $LINENO'
45alias err_exit='err_exit2 $LINENO'
46
47set -o nounset
48Command=${0##*/}
49integer Errors=0
50
51
52# string
53testfunc '(function l { typeset -S x ;     x+="#" ; $1 && print "$x" ; } ; l false ; l false   ; l true)'  "###"
54testfunc 'function  l { typeset -S x=">" ; x+="#" ; $1 && print "$x" ; } ; l false ; l false   ; l true'   ">###"
55testfunc 'function  l { typeset -S x=">" ; x+="#" ; $1 && print "$x" ; } ; l false ; (l false) ; l true'   ">##"
56testfunc 'function  l { typeset -S x=">" ; x+="#" ; $1 && print "$x" ; } ; l false; ( ulimit -c 0 ; l false) ; l true' ">##"
57
58# integer
59testfunc '(function l { typeset -S -i x ;  x+=1 ;   $1 && print "$x" ; } ; l false ; l false   ; l true )' "3"
60testfunc '(function l { typeset -S -i x ;  x+=1 ;   $1 && print "$x" ; } ; l false ; (l false) ; l true )' "2"
61
62# float
63testfunc '(function l { float -S x=0.5 ;  (( x+=.5 )) ;   $1 && print "$x" ; } ; l false ; l false   ; l true )' "2"
64testfunc '(function l { float -S x=0.5 ;  (( x+=.5 )) ;   $1 && print "$x" ; } ; l false ; (l false) ; l true )' "1.5"
65
66# compound variable
67[[ "${
68	function l
69	{
70		typeset -S s=( a=0 b=0 )
71
72		(( s.a++, s.b++ ))
73
74		$1 && printf 'a=%d, b=%d\n' s.a s.b
75	}
76	l false ; l false ; l true
77}" != "a=3, b=3" ]] && err_exit "static compound var failed"
78
79
80# array variable
81[[ "$(
82	function ar
83	{
84		typeset -a -S s=( "hello" )
85
86		s+=( "an element" )
87
88		$1 && { printf '%s' "${s[@]}" ; printf '\n' ; }
89	}
90	ar false ; ar false ; ar true
91)" != "helloan elementan elementan element" ]] && err_exit "static array var failed"
92
93
94# Test visibilty of "global" vs. "static" variables. if we have a "static" variable in a
95# function and "unset" it we should see a global variable with the same
96# name, right ?
97integer hx=5
98function test_hx_scope
99{
100	integer -S hx=9
101	$2 && unset hx
102	$1 && printf "hx=%d\n" hx
103}
104test_hx_scope false false
105test_hx_scope false false
106# first test the "unset" call in a $(...) subshell...
107[[ "$( test_hx_scope true true  )" != "hx=5" ]] && err_exit "can't see global variable hx after unsetting static variable hx"
108# ... end then test whether the value has changed.
109[[ "${ test_hx_scope true false }" != "hx=9" ]] && err_exit "hx variable somehow changed"
110
111
112# tests done
113exit $((Errors))
114