t_sed.sh revision 1.1 
1# $NetBSD: t_sed.sh,v 1.1 2012/03/18 10:12:30 jruoho Exp $
2#
3# Copyright (c) 2012 The NetBSD Foundation, Inc.
4# All rights reserved.
5#
6# This code is derived from software contributed to The NetBSD Foundation
7# by Jukka Ruohonen.
8#
9# Redistribution and use in source and binary forms, with or without
10# modification, are permitted provided that the following conditions
11# are met:
12# 1. Redistributions of source code must retain the above copyright
13#    notice, this list of conditions and the following disclaimer.
14# 2. Redistributions in binary form must reproduce the above copyright
15#    notice, this list of conditions and the following disclaimer in the
16#    documentation and/or other materials provided with the distribution.
17#
18# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28# POSSIBILITY OF SUCH DAMAGE.
29#
30
31atf_test_case emptybackref
32emptybackref_head() {
33	atf_set "descr" "Test that sed(1) handles " \
34			"empty back references (PR bin/28126)"
35}
36
37emptybackref_body() {
38
39	atf_check -o inline:"foobar\n" -x "echo foobar"
40
41	atf_check -o inline:"foo1bar1\n" \
42		-x "echo foo1bar1 | sed -ne '/foo\(.*\)bar\1/p'"
43
44	atf_expect_fail "PR bin/28126"
45
46	atf_check -o inline:"foobar\n" \
47		-x "echo foobar | sed -ne '/foo\(.*\)bar\1/p'"
48}
49
50atf_init_test_cases() {
51	atf_add_test_case emptybackref
52}
53