1########################################################################
2#                                                                      #
3#               This software is part of the ast package               #
4#          Copyright (c) 1982-2012 AT&T Intellectual Property          #
5#                      and is licensed under the                       #
6#                 Eclipse Public License, Version 1.0                  #
7#                    by AT&T Intellectual Property                     #
8#                                                                      #
9#                A copy of the License is available at                 #
10#          http://www.eclipse.org/org/documents/epl-v10.html           #
11#         (with md5 checksum b35adb5213ca9657e911e9befb180842)         #
12#                                                                      #
13#              Information and Software Systems Research               #
14#                            AT&T Research                             #
15#                           Florham Park NJ                            #
16#                                                                      #
17#                  David Korn <dgk@research.att.com>                   #
18#                                                                      #
19########################################################################
20function err_exit
21{
22	print -u2 -n "\t"
23	print -u2 -r ${Command}[$1]: "${@:2}"
24	let Errors+=1
25}
26alias err_exit='err_exit $LINENO'
27
28Command=${0##*/}
29integer Errors=0
30{
31x=abc
32x+=def ;} 2> /dev/null
33if	[[ $x != abcdef ]]
34then	err_exit 'abc+def != abcdef'
35fi
36integer i=3
37{ i+=4;} 2> /dev/null
38if	(( i != 7 ))
39then	err_exit '3+4!=7'
40fi
41iarray=( one two three )
42{ iarray+= (four five six) ;} 2> /dev/null
43if	[[ ${iarray[@]} != 'one two three four five six' ]]
44then	err_exit 'index array append fails'
45fi
46unset iarray
47iarray=one
48{ iarray+= (four five six) ;} 2> /dev/null
49if	[[ ${iarray[@]} != 'one four five six' ]]
50then	err_exit 'index array append to scalar fails'
51fi
52typeset -A aarray
53aarray=( [1]=1 [3]=4 [xyz]=xyz )
54aarray+=( [2]=2 [3]=3 [foo]=bar )
55if	[[ ${aarray[3]} != 3 ]]
56then	err_exit 'associative array append fails'
57fi
58if	[[ ${#aarray[@]} != 5 ]]
59then	err_exit 'number of elements of associative array append fails'
60fi
61point=(x=1 y=2)
62point+=( y=3 z=4)
63if	[[ ${point.y} != 3 ]]
64then	err_exit 'compound append fails'
65fi
66if	[[ ${point.x} != 1 ]]
67then	err_exit 'compound append to compound variable unsets existing variables'
68fi
69unset foo
70foo=one
71foo+=(two)
72if	[[ ${foo[@]} != 'one two' ]]
73then	err_exit 'array append to non array variable fails'
74fi
75unset foo
76foo[0]=(x=3)
77foo+=(x=4)
78[[ ${foo[1].x} == 4 ]] || err_exit 'compound append to index array not working'
79[[ ${foo[0].x} == 3 ]] || err_exit 'compound append to index array unsets existing variables'
80
81unset foo
82foo=a
83foo+=''
84[[ $foo == 'a' ]] || err_exit 'appending an empty string not working'
85
86unset x z arr
87typeset -a x=(a b)
88x+=(c d)
89exp='typeset -a x=(a b c d)'
90[[ $(typeset -p x) == "$exp" ]] || err_exit 'append (c d) to index array not working'
91
92typeset -a arr=(a=b b=c)
93arr+=(c=d d=e)
94exp='typeset -a arr=(a\=b b\=c c\=d d\=e)'
95[[ $(typeset -p arr) == "$exp" ]] || err_exit 'append (c=d d=e) to index array not working'
96
97exp='typeset -a z=(a\=b b\=c d\=3 e f\=l)'
98typeset -a z=(a=b b=c)
99{ z+=(d=3 e f=l); } 2> /dev/null
100[[ $(typeset -p z) == "$exp" ]] || err_exit 'append (d=3 e f=l) to index array not working'
101
102unset arr2
103exp='typeset -a arr2=(b\=c :)'
104typeset -a arr2
105arr2+=(b=c :)
106[[ $(typeset -p arr2) == "$exp" ]] || err_exit 'append (b=c :) to index array not working'
107
108unset arr2
109exp='typeset -a arr2=(b\=c xxxxx)'
110typeset -a arr2
111{
112	arr2+=(b=c xxxxx)
113} 2> /dev/null
114[[ $(typeset -p arr2) == "$exp" ]] || err_exit 'append (b=c xxxxx) to index array not working'
115
116exit $((Errors<125?Errors:125))
117