t_sed.sh revision 1.3 
1# $NetBSD: t_sed.sh,v 1.3 2012/03/19 06:21:53 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 and David A. Holland.
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:"foo1bar1\n" \
40		-x "echo foo1bar1 | sed -ne '/foo\(.*\)bar\1/p'"
41
42	atf_expect_fail "PR bin/28126"
43
44	atf_check -o inline:"foobar\n" \
45		-x "echo foobar | sed -ne '/foo\(.*\)bar\1/p'"
46}
47
48atf_test_case longlines
49longlines_head() {
50	atf_set "descr" "Test that sed(1) handles " \
51			"long lines correctly (PR bin/42261)"
52}
53
54longlines_body() {
55
56	str=$(awk 'BEGIN {while(x<2043){printf "x";x++}}')
57	echo $str > input
58
59	atf_check -o save:output -x "echo x | sed s,x,${str},g"
60	atf_check -s exit:0 -o empty -e empty -x "diff input output"
61}
62
63atf_test_case rangeselection
64rangeselection_head() {
65	atf_set "descr" "Test that sed(1) handles " \
66			"range selection correctly"
67}
68
69rangeselection_body() {
70	# basic cases
71	atf_check -o inline:"D\n" \
72		-x "printf 'A\nB\nC\nD\n' | sed '1,3d'"
73	atf_check -o inline:"A\n" \
74		-x "printf 'A\nB\nC\nD\n' | sed '2,4d'"
75	# two nonoverlapping ranges
76	atf_check -o inline:"C\n" \
77		-x "printf 'A\nB\nC\nD\nE\n' | sed '1,2d;4,5d'"
78	# overlapping ranges; the first prevents the second from being entered
79	atf_check -o inline:"D\nE\n" \
80		-x "printf 'A\nB\nC\nD\nE\n' | sed '1,3d;3,5d'"
81	# the 'n' command can also prevent ranges from being entered
82	atf_check -o inline:"B\nB\nC\nD\n" \
83		-x "printf 'A\nB\nC\nD\n' | sed '1,3s/A/B/;1,3n;1,3s/B/C/'"
84	atf_check -o inline:"B\nC\nC\nD\n" \
85		-x "printf 'A\nB\nC\nD\n' | sed '1,3s/A/B/;1,3n;2,3s/B/C/'"
86
87	# basic cases using regexps
88	atf_check -o inline:"D\n" \
89		-x "printf 'A\nB\nC\nD\n' | sed '/A/,/C/d'"
90	atf_check -o inline:"A\n" \
91		-x "printf 'A\nB\nC\nD\n' | sed '/B/,/D/d'"
92	# two nonoverlapping ranges
93	atf_check -o inline:"C\n" \
94		-x "printf 'A\nB\nC\nD\nE\n' | sed '/A/,/B/d;/D/,/E/d'"
95	# two overlapping ranges; the first blocks the second as above
96	atf_check -o inline:"D\nE\n" \
97		-x "printf 'A\nB\nC\nD\nE\n' | sed '/A/,/C/d;/C/,/E/d'"
98	# the 'n' command makes some lines invisible to downstreap regexps
99	atf_check -o inline:"B\nC\nC\nD\n" \
100		-x "printf 'A\nB\nC\nD\n' | sed '/A/,/C/s/A/B/;1,3n;/B/,/C/s/B/C/'"
101
102	# a range ends at the *first* matching end line
103	atf_check -o inline:"D\nC\n" \
104		-x "printf 'A\nB\nC\nD\nC\n' | sed '/A/,/C/d'"
105	# another matching start line within the range has no effect
106	atf_check -o inline:"D\nC\n" \
107		-x "printf 'A\nB\nA\nC\nD\nC\n' | sed '/A/,/C/d'"
108}
109
110atf_init_test_cases() {
111	atf_add_test_case emptybackref
112	atf_add_test_case longlines
113	atf_add_test_case rangeselection
114}
115