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########################################################################
# #
# This software is part of the ast package #
# Copyright (c) 1982-2011 AT&T Intellectual Property #
# and is licensed under the #
# Eclipse Public License, Version 1.0 #
# by AT&T Intellectual Property #
# #
# A copy of the License is available at #
# http://www.eclipse.org/org/documents/epl-v10.html #
# (with md5 checksum b35adb5213ca9657e911e9befb180842) #
# #
# Information and Software Systems Research #
# AT&T Research #
# Florham Park NJ #
# #
# David Korn <dgk@research.att.com> #
# #
########################################################################
function err_exit
{
print -u2 -n "\t"
print -u2 -r ${Command}[$1]: "${@:2}"
let Errors+=1
}
alias err_exit='err_exit $LINENO'
Command=${0##*/}
integer Errors=0
{
x=abc
x+=def ;} 2> /dev/null
if [[ $x != abcdef ]]
then err_exit 'abc+def != abcdef'
fi
integer i=3
{ i+=4;} 2> /dev/null
if (( i != 7 ))
then err_exit '3+4!=7'
fi
iarray=( one two three )
{ iarray+= (four five six) ;} 2> /dev/null
if [[ ${iarray[@]} != 'one two three four five six' ]]
then err_exit 'index array append fails'
fi
unset iarray
iarray=one
{ iarray+= (four five six) ;} 2> /dev/null
if [[ ${iarray[@]} != 'one four five six' ]]
then err_exit 'index array append to scalar fails'
fi
typeset -A aarray
aarray=( [1]=1 [3]=4 [xyz]=xyz )
aarray+=( [2]=2 [3]=3 [foo]=bar )
if [[ ${aarray[3]} != 3 ]]
then err_exit 'associative array append fails'
fi
if [[ ${#aarray[@]} != 5 ]]
then err_exit 'number of elements of associative array append fails'
fi
point=(x=1 y=2)
point+=( y=3 z=4)
if [[ ${point.y} != 3 ]]
then err_exit 'compound append fails'
fi
if [[ ${point.x} != 1 ]]
then err_exit 'compound append to compound variable unsets existing variables'
fi
unset foo
foo=one
foo+=(two)
if [[ ${foo[@]} != 'one two' ]]
then err_exit 'array append to non array variable fails'
fi
unset foo
foo[0]=(x=3)
foo+=(x=4)
[[ ${foo[1].x} == 4 ]] || err_exit 'compound append to index array not working'
[[ ${foo[0].x} == 3 ]] || err_exit 'compound append to index array unsets existing variables'
unset foo
foo=a
foo+=''
[[ $foo == 'a' ]] || err_exit 'appending an empty string not working'
exit $((Errors<125?Errors:125))
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