t_sed.sh revision 1.2 1 # $NetBSD: t_sed.sh,v 1.2 2012/03/18 15:35:27 dholland 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
31 atf_test_case emptybackref
32 emptybackref_head() {
33 atf_set "descr" "Test that sed(1) handles " \
34 "empty back references (PR bin/28126)"
35 }
36
37 emptybackref_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
50 atf_test_case rangeselection
51 rangeselection_head() {
52 atf_set "descr" "Test that sed(1) handles " \
53 "range selection correctly"
54 }
55
56 rangeselection_body() {
57 # basic cases
58 atf_check -o inline:"D\n" \
59 -x "printf 'A\nB\nC\nD\n' | sed '1,3d'"
60 atf_check -o inline:"A\n" \
61 -x "printf 'A\nB\nC\nD\n' | sed '2,4d'"
62 # two nonoverlapping ranges
63 atf_check -o inline:"C\n" \
64 -x "printf 'A\nB\nC\nD\nE\n' | sed '1,2d;4,5d'"
65 # overlapping ranges; the first prevents the second from being entered
66 atf_check -o inline:"D\nE\n" \
67 -x "printf 'A\nB\nC\nD\nE\n' | sed '1,3d;3,5d'"
68 # the 'n' command can also prevent ranges from being entered
69 atf_check -o inline:"B\nB\nC\nD\n" \
70 -x "printf 'A\nB\nC\nD\n' | sed '1,3s/A/B/;1,3n;1,3s/B/C/'"
71 atf_check -o inline:"B\nC\nC\nD\n" \
72 -x "printf 'A\nB\nC\nD\n' | sed '1,3s/A/B/;1,3n;2,3s/B/C/'"
73
74 # basic cases using regexps
75 atf_check -o inline:"D\n" \
76 -x "printf 'A\nB\nC\nD\n' | sed '/A/,/C/d'"
77 atf_check -o inline:"A\n" \
78 -x "printf 'A\nB\nC\nD\n' | sed '/B/,/D/d'"
79 # two nonoverlapping ranges
80 atf_check -o inline:"C\n" \
81 -x "printf 'A\nB\nC\nD\nE\n' | sed '/A/,/B/d;/D/,/E/d'"
82 # two overlapping ranges; the first blocks the second as above
83 atf_check -o inline:"D\nE\n" \
84 -x "printf 'A\nB\nC\nD\nE\n' | sed '/A/,/C/d;/C/,/E/d'"
85 # the 'n' command makes some lines invisible to downstreap regexps
86 atf_check -o inline:"B\nC\nC\nD\n" \
87 -x "printf 'A\nB\nC\nD\n' | sed '/A/,/C/s/A/B/;1,3n;/B/,/C/s/B/C/'"
88
89 # a range ends at the *first* matching end line
90 atf_check -o inline:"D\nC\n" \
91 -x "printf 'A\nB\nC\nD\nC\n' | sed '/A/,/C/d'"
92 # another matching start line within the range has no effect
93 atf_check -o inline:"D\nC\n" \
94 -x "printf 'A\nB\nA\nC\nD\nC\n' | sed '/A/,/C/d'"
95 }
96
97 atf_init_test_cases() {
98 atf_add_test_case emptybackref
99 atf_add_test_case rangeselection
100 }
101