[thirdparty/bash.git] / tests / array22.sub

#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# This isn't perfect behavior, but it establishes a baseline and will provide
# a way to detect behavior changes

echo a1
a[0]= a[1]=; recho "${a[@]:-y}"
unset a

echo a2
a[1]=; recho "${a[@]:-y}"
a[1]=; recho "${a[*]:-z}"
unset a

echo a3
a[0]= a[1]=x; recho "${a[@]:-y}"
unset a

echo a4
a[0]= a[1]=x; recho ${a[@]:+y}
unset a

echo p1
set '' ''
recho "${@:-y}"

shift $#

echo p2
set '' x
recho "${@:-y}"

shift $#

echo p3
set '' x
recho ${@:+y}

# problems with * and null expansions dating back to bash's earliest days
A=(''); set -- ''

echo "<${A[*]:-X}>" "<${*:-X}>" "<${A:-X}>" "<${A[0]:-X}>" 

IFS=
A=('' ''); set -- '' ''
B=''

echo "<${A[*]:-X}>" "<${*:-X}>" "<${B:-X}>" "<${B[*]:-X}>"
Commit	Line	Data
8868edaf CR	1	# This program is free software: you can redistribute it and/or modify
	2	# it under the terms of the GNU General Public License as published by
	3	# the Free Software Foundation, either version 3 of the License, or
	4	# (at your option) any later version.
	5	#
	6	# This program is distributed in the hope that it will be useful,
	7	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	8	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	9	# GNU General Public License for more details.
	10	#
	11	# You should have received a copy of the GNU General Public License
	12	# along with this program. If not, see <http://www.gnu.org/licenses/>.
	13	#
d233b485 CR	14	# This isn't perfect behavior, but it establishes a baseline and will provide
	15	# a way to detect behavior changes
	16
	17	echo a1
	18	a[0]= a[1]=; recho "${a[@]:-y}"
	19	unset a
	20
	21	echo a2
	22	a[1]=; recho "${a[@]:-y}"
	23	a[1]=; recho "${a[*]:-z}"
	24	unset a
	25
	26	echo a3
	27	a[0]= a[1]=x; recho "${a[@]:-y}"
	28	unset a
	29
	30	echo a4
	31	a[0]= a[1]=x; recho ${a[@]:+y}
	32	unset a
	33
	34	echo p1
	35	set '' ''
	36	recho "${@:-y}"
	37
	38	shift $#
	39
	40	echo p2
	41	set '' x
	42	recho "${@:-y}"
	43
	44	shift $#
	45
	46	echo p3
	47	set '' x
	48	recho ${@:+y}
	49
	50	# problems with * and null expansions dating back to bash's earliest days
	51	A=(''); set -- ''
	52
	53	echo "<${A[]:-X}>" "<${:-X}>" "<${A:-X}>" "<${A[0]:-X}>"
	54
	55	IFS=
	56	A=('' ''); set -- '' ''
	57	B=''
	58
	59	echo "<${A[]:-X}>" "<${:-X}>" "<${B:-X}>" "<${B[*]:-X}>"