busybox/testsuite/sed.tests

#!/bin/sh

# SUSv3 compliant sed tests.
# Copyright 2005 by Rob Landley <rob@landley.net>
# Licensed under GPL v2, see file LICENSE for details.

. ./testing.sh

# testing "description" "arguments" "result" "infile" "stdin"

# Corner cases
testing "sed no files (stdin)" 'sed ""' "hello\n" "" "hello\n"
testing "sed explicit stdin" 'sed "" -' "hello\n" "" "hello\n"
testing "sed handles empty lines" "sed -e 's/\$/@/'" "@\n" "" "\n"
testing "sed stdin twice" 'sed "" - -' "hello" "" "hello"

# Trailing EOF.
#	Match $, at end of each file or all files?

# -e corner cases
#	without -e
#	multiple -e
#		interact with a
#	-eee arg1 arg2 arg3
# -f corner cases
#	-e -f -e
# -n corner cases
#	no newline at EOF?
# -r corner cases
#	Just make sure it works.
# -i corner cases:
#	sed -i -
#	permissions
#	-i on a symlink
#	on a directory
#       With $ last-line test
# Continue with \
#       End of script with trailing \

# command list
testing "sed accepts blanks before command" "sed -e '1 d'" "" "" ""
testing "sed accepts newlines in -e" "sed -e 'i\
1
a\
3'" "1\n2\n3\n" "" "2\n"
testing "sed accepts multiple -e" "sed -e 'i\' -e '1' -e 'a\' -e '3'" \
	"1\n2\n3\n" "" "2\n"

# substitutions
testing "sed -n" "sed -n -e s/foo/bar/ -e s/bar/baz/" "" "" "foo\n"
testing "sed s//p" "sed -e s/foo/bar/p -e s/bar/baz/p" "bar\nbaz\nbaz\n" \
	"" "foo\n"
testing "sed -n s//p" "sed -ne s/abc/def/p" "def\n" "" "abc\n"
test x"$SKIP_KNOWN_BUGS" = x"" && {
testing "sed s//g (exhaustive)" "sed -e 's/[[:space:]]*/,/g'" ",1,2,3,4,5,\n" \
	"" "12345\n"
}
testing "sed s arbitrary delimiter" "sed -e 's woo boing '" "boing\n" "" "woo\n"
testing "sed s chains" "sed -e s/foo/bar/ -e s/bar/baz/" "baz\n" "" "foo\n"
testing "sed s chains2" "sed -e s/foo/bar/ -e s/baz/nee/" "bar\n" "" "foo\n"
testing "sed s [delimiter]" "sed -e 's@[@]@@'" "onetwo" "" "one@two"
testing "sed s with \\t (GNU ext)" "sed 's/\t/ /'" "one two" "" "one\ttwo"

# branch
testing "sed b (branch)" "sed -e 'b one;p;: one'" "foo\n" "" "foo\n"
testing "sed b (branch with no label jumps to end)" "sed -e 'b;p'" \
	"foo\n" "" "foo\n"

# test and branch
testing "sed t (test/branch)" "sed -e 's/a/1/;t one;p;: one;p'" \
	"1\n1\nb\nb\nb\nc\nc\nc\n" "" "a\nb\nc\n"
testing "sed t (test/branch clears test bit)" "sed -e 's/a/b/;:loop;t loop'" \
	"b\nb\nc\n" "" "a\nb\nc\n"
testing "sed T (!test/branch)" "sed -e 's/a/1/;T notone;p;: notone;p'" \
	"1\n1\n1\nb\nb\nc\nc\n" "" "a\nb\nc\n"

test x"$SKIP_KNOWN_BUGS" = x"" && {
# Normal sed end-of-script doesn't print "c" because n flushed the pattern
# space.  If n hits EOF, pattern space is empty when script ends.
# Query: how does this interact with no newline at EOF?
testing "sed n (flushes pattern space, terminates early)" "sed -e 'n;p'" \
	"a\nb\nb\nc\n" "" "a\nb\nc\n"
# N does _not_ flush pattern space, therefore c is still in there @ script end.
testing "sed N (doesn't flush pattern space when terminating)" "sed -e 'N;p'" \
	"a\nb\na\nb\nc\n" "" "a\nb\nc\n"
}
testing "sed address match newline" 'sed "/b/N;/b\\nc/i woo"' \
	"a\nwoo\nb\nc\nd\n" "" "a\nb\nc\nd\n"

# Multiple lines in pattern space
testing "sed N (stops at end of input) and P (prints to first newline only)" \
	"sed -n 'N;P;p'" "a\na\nb\n" "" "a\nb\nc\n"

# Hold space
testing "sed G (append hold space to pattern space)" 'sed G' "a\n\nb\n\nc\n\n" \
	"" "a\nb\nc\n"
#testing "sed g/G (swap/append hold and patter space)"
#testing "sed g (swap hold/pattern space)"

testing "sed d ends script iteration" \
	"sed -e '/ook/d;s/ook/ping/p;i woot'" "" "" "ook\n"
testing "sed d ends script iteration (2)" \
	"sed -e '/ook/d;a\' -e 'bang'" "woot\nbang\n" "" "ook\nwoot\n"

# Multiple files, with varying newlines and NUL bytes
test x"$SKIP_KNOWN_BUGS" = x"" && {
testing "sed embedded NUL" "sed -e 's/woo/bang/'" "\0bang\0woo\0" "" \
	"\0woo\0woo\0"
}
testing "sed embedded NUL g" "sed -e 's/woo/bang/g'" "bang\0bang\0" "" \
	"woo\0woo\0"
test x"$SKIP_KNOWN_BUGS" = x"" && {
echo -e "/woo/a he\0llo" > sed.commands
testing "sed NUL in command" "sed -f sed.commands" "woo\nhe\0llo\n" "" "woo"
rm sed.commands
}

# sed has funky behavior with newlines at the end of file.  Test lots of
# corner cases with the optional newline appending behavior.

testing "sed normal newlines" "sed -e 's/woo/bang/' input -" "bang\nbang\n" \
	"woo\n" "woo\n"
testing "sed leave off trailing newline" "sed -e 's/woo/bang/' input -" \
	"bang\nbang" "woo\n" "woo"
testing "sed autoinsert newline" "sed -e 's/woo/bang/' input -" "bang\nbang" \
	"woo" "woo"
testing "sed empty file plus cat" "sed -e 's/nohit//' input -" "one\ntwo" \
	"" "one\ntwo"
testing "sed cat plus empty file" "sed -e 's/nohit//' input -" "one\ntwo" \
	"one\ntwo" ""
test x"$SKIP_KNOWN_BUGS" = x"" && {
testing "sed append autoinserts newline" "sed -e '/woot/a woo' -" \
	"woot\nwoo\n" "" "woot"
}
testing "sed insert doesn't autoinsert newline" "sed -e '/woot/i woo' -" \
	"woo\nwoot" "" "woot"
testing "sed print autoinsert newlines" "sed -e 'p' -" "one\none" "" "one"
testing "sed print autoinsert newlines two files" "sed -e 'p' input -" \
	"one\none\ntwo\ntwo" "one" "two"
testing "sed noprint, no match, no newline" "sed -ne 's/woo/bang/' input" \
	"" "no\n" ""
testing "sed selective matches with one nl" "sed -ne 's/woo/bang/p' input -" \
	"a bang\nc bang\n" "a woo\nb no" "c woo\nd no"
testing "sed selective matches insert newline" \
	"sed -ne 's/woo/bang/p' input -" "a bang\nb bang\nd bang" \
	"a woo\nb woo" "c no\nd woo"
testing "sed selective matches noinsert newline" \
	"sed -ne 's/woo/bang/p' input -" "a bang\nb bang" "a woo\nb woo" \
	"c no\nd no"
test x"$SKIP_KNOWN_BUGS" = x"" && {
testing "sed clusternewline" \
	"sed -e '/one/a 111' -e '/two/i 222' -e p input -" \
	"one\none\n111\n222\ntwo\ntwo" "one" "two"
}
testing "sed subst+write" \
	"sed -e 's/i/z/' -e 'woutputw' input -; echo -n X; cat outputw" \
	"thzngy\nagaznXthzngy\nagazn" "thingy" "again"
rm outputw
testing "sed trailing NUL" \
	"sed 's/i/z/' input -" \
	"a\0b\0\nc" "a\0b\0" "c"
testing "sed escaped newline in command" \
	"sed 's/a/z\\
z/' input" \
	"z\nz" "a" ""

# Test end-of-file matching behavior

testing "sed match EOF" "sed -e '"'$p'"'" "hello\nthere\nthere" "" \
	"hello\nthere"
testing "sed match EOF two files" "sed -e '"'$p'"' input -" \
	"one\ntwo\nthree\nfour\nfour" "one\ntwo" "three\nfour"
# sed match EOF inline: gnu sed 4.1.5 outputs this:
#00000000  6f 6e 65 0a 6f 6f 6b 0a  6f 6f 6b 0a 74 77 6f 0a  |one.ook.ook.two.|
#00000010  0a 74 68 72 65 65 0a 6f  6f 6b 0a 6f 6f 6b 0a 66  |.three.ook.ook.f|
#00000020  6f 75 72                                          |our|
# which looks buggy to me.
$ECHO -ne "three\nfour" > input2
testing "sed match EOF inline" \
	"sed -e '"'$i ook'"' -i input input2 && cat input input2" \
	"one\nook\ntwothree\nook\nfour" "one\ntwo" ""
rm input2

# Test lie-to-autoconf

testing "sed lie-to-autoconf" "sed --version | grep -o 'GNU sed version '" \
	"GNU sed version \n" "" ""

# Jump to nonexistent label
test x"$SKIP_KNOWN_BUGS" = x"" && {
# Incompatibility: illegal jump is not detected if input is ""
# (that is, no lines at all). GNU sed 4.1.5 complains even in this case
testing "sed nonexistent label" "sed -e 'b walrus' 2>/dev/null || echo yes" \
	"yes\n" "" ""
}

testing "sed backref from empty s uses range regex" \
	"sed -e '/woot/s//eep \0 eep/'" "eep woot eep" "" "woot"

testing "sed backref from empty s uses range regex with newline" \
	"sed -e '/woot/s//eep \0 eep/'" "eep woot eep\n" "" "woot\n"

# -i with no filename

touch ./-  # Detect gnu failure mode here.
testing "sed -i with no arg [GNUFAIL]" "sed -e '' -i 2> /dev/null || echo yes" \
	"yes\n" "" ""
rm ./-     # Clean up

testing "sed s/xxx/[/" "sed -e 's/xxx/[/'" "[\n" "" "xxx\n"

# Ponder this a bit more, why "woo not found" from gnu version?
#testing "sed doesn't substitute in deleted line" \
#	"sed -e '/ook/d;s/ook//;t woo;a bang;'" "bang" "" "ook\n"

# This makes both seds very unhappy.  Why?
#testing "sed -g (exhaustive)" "sed -e 's/[[:space:]]*/,/g'" ",1,2,3,4,5," \
#	"" "12345"

# testing "description" "arguments" "result" "infile" "stdin"

testing "sed n command must reset 'substituted' bit" \
	"sed 's/1/x/;T;n;: next;s/3/y/;t quit;n;b next;: quit;q'" \
	"0\nx\n2\ny\n" "" "0\n1\n2\n3\n"

testing "sed d does not break n,m matching" \
	"sed -n '1d;1,3p'" \
	"second\nthird\n" "" "first\nsecond\nthird\nfourth\n"

testing "sed d does not break n,regex matching" \
	"sed -n '1d;1,/hir/p'" \
	"second\nthird\n" "" "first\nsecond\nthird\nfourth\n"

testing "sed d does not break n,regex matching #2" \
	"sed -n '1,5d;1,/hir/p'" \
	"second2\nthird2\n" "" \
	"first\nsecond\nthird\nfourth\n""first2\nsecond2\nthird2\nfourth2\n"

testing "sed 2d;2,1p (gnu compat)" \
	"sed -n '2d;2,1p'" \
	"third\n" "" \
	"first\nsecond\nthird\nfourth\n"

# Regex means: "match / at BOL or nothing, then one or more not-slashes".
# The bug was that second slash in /usr/lib was treated as "at BOL" too.
testing "sed beginning (^) matches only once" \
	"sed 's,\(^/\|\)[^/][^/]*,>\0<,g'" \
	">/usr</>lib<\n" "" \
	"/usr/lib\n"

testing "sed c" \
	"sed 'crepl'" \
	"repl\nrepl\n" "" \
	"first\nsecond\n"

testing "sed nested {}s" \
	"sed '/asd/ { p; /s/ { s/s/c/ }; p; q }'" \
	"qwe\nasd\nacd\nacd\n" "" \
	"qwe\nasd\nzxc\n"

testing "sed a cmd ended by double backslash" \
	"sed -e '/| one /a \\
	| three \\\\' -e '/| one-/a \\
	| three-* \\\\'" \
'	| one \\
	| three \\
	| two \\
' '' \
'	| one \\
	| two \\
'

# testing "description" "arguments" "result" "infile" "stdin"

exit $FAILCOUNT
1	#!/bin/sh
2
3	# SUSv3 compliant sed tests.
4	# Copyright 2005 by Rob Landley <rob@landley.net>
5	# Licensed under GPL v2, see file LICENSE for details.
6
7	. ./testing.sh
8
9	# testing "description" "arguments" "result" "infile" "stdin"
10
11	# Corner cases
12	testing "sed no files (stdin)" 'sed ""' "hello\n" "" "hello\n"
13	testing "sed explicit stdin" 'sed "" -' "hello\n" "" "hello\n"
14	testing "sed handles empty lines" "sed -e 's/\$/@/'" "@\n" "" "\n"
15	testing "sed stdin twice" 'sed "" - -' "hello" "" "hello"
16
17	# Trailing EOF.
18	# Match $, at end of each file or all files?
19
20	# -e corner cases
21	# without -e
22	# multiple -e
23	# interact with a
24	# -eee arg1 arg2 arg3
25	# -f corner cases
26	# -e -f -e
27	# -n corner cases
28	# no newline at EOF?
29	# -r corner cases
30	# Just make sure it works.
31	# -i corner cases:
32	# sed -i -
33	# permissions
34	# -i on a symlink
35	# on a directory
36	# With $ last-line test
37	# Continue with \
38	# End of script with trailing \
39
40	# command list
41	testing "sed accepts blanks before command" "sed -e '1 d'" "" "" ""
42	testing "sed accepts newlines in -e" "sed -e 'i\
43	1
44	a\
45	3'" "1\n2\n3\n" "" "2\n"
46	testing "sed accepts multiple -e" "sed -e 'i\' -e '1' -e 'a\' -e '3'" \
47	"1\n2\n3\n" "" "2\n"
48
49	# substitutions
50	testing "sed -n" "sed -n -e s/foo/bar/ -e s/bar/baz/" "" "" "foo\n"
51	testing "sed s//p" "sed -e s/foo/bar/p -e s/bar/baz/p" "bar\nbaz\nbaz\n" \
52	"" "foo\n"
53	testing "sed -n s//p" "sed -ne s/abc/def/p" "def\n" "" "abc\n"
54	test x"$SKIP_KNOWN_BUGS" = x"" && {
55	testing "sed s//g (exhaustive)" "sed -e 's/[[:space:]]*/,/g'" ",1,2,3,4,5,\n" \
56	"" "12345\n"
57	}
58	testing "sed s arbitrary delimiter" "sed -e 's woo boing '" "boing\n" "" "woo\n"
59	testing "sed s chains" "sed -e s/foo/bar/ -e s/bar/baz/" "baz\n" "" "foo\n"
60	testing "sed s chains2" "sed -e s/foo/bar/ -e s/baz/nee/" "bar\n" "" "foo\n"
61	testing "sed s [delimiter]" "sed -e 's@[@]@@'" "onetwo" "" "one@two"
62	testing "sed s with \\t (GNU ext)" "sed 's/\t/ /'" "one two" "" "one\ttwo"
63
64	# branch
65	testing "sed b (branch)" "sed -e 'b one;p;: one'" "foo\n" "" "foo\n"
66	testing "sed b (branch with no label jumps to end)" "sed -e 'b;p'" \
67	"foo\n" "" "foo\n"
68
69	# test and branch
70	testing "sed t (test/branch)" "sed -e 's/a/1/;t one;p;: one;p'" \
71	"1\n1\nb\nb\nb\nc\nc\nc\n" "" "a\nb\nc\n"
72	testing "sed t (test/branch clears test bit)" "sed -e 's/a/b/;:loop;t loop'" \
73	"b\nb\nc\n" "" "a\nb\nc\n"
74	testing "sed T (!test/branch)" "sed -e 's/a/1/;T notone;p;: notone;p'" \
75	"1\n1\n1\nb\nb\nc\nc\n" "" "a\nb\nc\n"
76
77	test x"$SKIP_KNOWN_BUGS" = x"" && {
78	# Normal sed end-of-script doesn't print "c" because n flushed the pattern
79	# space. If n hits EOF, pattern space is empty when script ends.
80	# Query: how does this interact with no newline at EOF?
81	testing "sed n (flushes pattern space, terminates early)" "sed -e 'n;p'" \
82	"a\nb\nb\nc\n" "" "a\nb\nc\n"
83	# N does _not_ flush pattern space, therefore c is still in there @ script end.
84	testing "sed N (doesn't flush pattern space when terminating)" "sed -e 'N;p'" \
85	"a\nb\na\nb\nc\n" "" "a\nb\nc\n"
86	}
87	testing "sed address match newline" 'sed "/b/N;/b\\nc/i woo"' \
88	"a\nwoo\nb\nc\nd\n" "" "a\nb\nc\nd\n"
89
90	# Multiple lines in pattern space
91	testing "sed N (stops at end of input) and P (prints to first newline only)" \
92	"sed -n 'N;P;p'" "a\na\nb\n" "" "a\nb\nc\n"
93
94	# Hold space
95	testing "sed G (append hold space to pattern space)" 'sed G' "a\n\nb\n\nc\n\n" \
96	"" "a\nb\nc\n"
97	#testing "sed g/G (swap/append hold and patter space)"
98	#testing "sed g (swap hold/pattern space)"
99
100	testing "sed d ends script iteration" \
101	"sed -e '/ook/d;s/ook/ping/p;i woot'" "" "" "ook\n"
102	testing "sed d ends script iteration (2)" \
103	"sed -e '/ook/d;a\' -e 'bang'" "woot\nbang\n" "" "ook\nwoot\n"
104
105	# Multiple files, with varying newlines and NUL bytes
106	test x"$SKIP_KNOWN_BUGS" = x"" && {
107	testing "sed embedded NUL" "sed -e 's/woo/bang/'" "\0bang\0woo\0" "" \
108	"\0woo\0woo\0"
109	}
110	testing "sed embedded NUL g" "sed -e 's/woo/bang/g'" "bang\0bang\0" "" \
111	"woo\0woo\0"
112	test x"$SKIP_KNOWN_BUGS" = x"" && {
113	echo -e "/woo/a he\0llo" > sed.commands
114	testing "sed NUL in command" "sed -f sed.commands" "woo\nhe\0llo\n" "" "woo"
115	rm sed.commands
116	}
117
118	# sed has funky behavior with newlines at the end of file. Test lots of
119	# corner cases with the optional newline appending behavior.
120
121	testing "sed normal newlines" "sed -e 's/woo/bang/' input -" "bang\nbang\n" \
122	"woo\n" "woo\n"
123	testing "sed leave off trailing newline" "sed -e 's/woo/bang/' input -" \
124	"bang\nbang" "woo\n" "woo"
125	testing "sed autoinsert newline" "sed -e 's/woo/bang/' input -" "bang\nbang" \
126	"woo" "woo"
127	testing "sed empty file plus cat" "sed -e 's/nohit//' input -" "one\ntwo" \
128	"" "one\ntwo"
129	testing "sed cat plus empty file" "sed -e 's/nohit//' input -" "one\ntwo" \
130	"one\ntwo" ""
131	test x"$SKIP_KNOWN_BUGS" = x"" && {
132	testing "sed append autoinserts newline" "sed -e '/woot/a woo' -" \
133	"woot\nwoo\n" "" "woot"
134	}
135	testing "sed insert doesn't autoinsert newline" "sed -e '/woot/i woo' -" \
136	"woo\nwoot" "" "woot"
137	testing "sed print autoinsert newlines" "sed -e 'p' -" "one\none" "" "one"
138	testing "sed print autoinsert newlines two files" "sed -e 'p' input -" \
139	"one\none\ntwo\ntwo" "one" "two"
140	testing "sed noprint, no match, no newline" "sed -ne 's/woo/bang/' input" \
141	"" "no\n" ""
142	testing "sed selective matches with one nl" "sed -ne 's/woo/bang/p' input -" \
143	"a bang\nc bang\n" "a woo\nb no" "c woo\nd no"
144	testing "sed selective matches insert newline" \
145	"sed -ne 's/woo/bang/p' input -" "a bang\nb bang\nd bang" \
146	"a woo\nb woo" "c no\nd woo"
147	testing "sed selective matches noinsert newline" \
148	"sed -ne 's/woo/bang/p' input -" "a bang\nb bang" "a woo\nb woo" \
149	"c no\nd no"
150	test x"$SKIP_KNOWN_BUGS" = x"" && {
151	testing "sed clusternewline" \
152	"sed -e '/one/a 111' -e '/two/i 222' -e p input -" \
153	"one\none\n111\n222\ntwo\ntwo" "one" "two"
154	}
155	testing "sed subst+write" \
156	"sed -e 's/i/z/' -e 'woutputw' input -; echo -n X; cat outputw" \
157	"thzngy\nagaznXthzngy\nagazn" "thingy" "again"
158	rm outputw
159	testing "sed trailing NUL" \
160	"sed 's/i/z/' input -" \
161	"a\0b\0\nc" "a\0b\0" "c"
162	testing "sed escaped newline in command" \
163	"sed 's/a/z\\
164	z/' input" \
165	"z\nz" "a" ""
166
167	# Test end-of-file matching behavior
168
169	testing "sed match EOF" "sed -e '"'$p'"'" "hello\nthere\nthere" "" \
170	"hello\nthere"
171	testing "sed match EOF two files" "sed -e '"'$p'"' input -" \
172	"one\ntwo\nthree\nfour\nfour" "one\ntwo" "three\nfour"
173	# sed match EOF inline: gnu sed 4.1.5 outputs this:
174	#00000000 6f 6e 65 0a 6f 6f 6b 0a 6f 6f 6b 0a 74 77 6f 0a \|one.ook.ook.two.\|
175	#00000010 0a 74 68 72 65 65 0a 6f 6f 6b 0a 6f 6f 6b 0a 66 \|.three.ook.ook.f\|
176	#00000020 6f 75 72 \|our\|
177	# which looks buggy to me.
178	$ECHO -ne "three\nfour" > input2
179	testing "sed match EOF inline" \
180	"sed -e '"'$i ook'"' -i input input2 && cat input input2" \
181	"one\nook\ntwothree\nook\nfour" "one\ntwo" ""
182	rm input2
183
184	# Test lie-to-autoconf
185
186	testing "sed lie-to-autoconf" "sed --version \| grep -o 'GNU sed version '" \
187	"GNU sed version \n" "" ""
188
189	# Jump to nonexistent label
190	test x"$SKIP_KNOWN_BUGS" = x"" && {
191	# Incompatibility: illegal jump is not detected if input is ""
192	# (that is, no lines at all). GNU sed 4.1.5 complains even in this case
193	testing "sed nonexistent label" "sed -e 'b walrus' 2>/dev/null \|\| echo yes" \
194	"yes\n" "" ""
195	}
196
197	testing "sed backref from empty s uses range regex" \
198	"sed -e '/woot/s//eep \0 eep/'" "eep woot eep" "" "woot"
199
200	testing "sed backref from empty s uses range regex with newline" \
201	"sed -e '/woot/s//eep \0 eep/'" "eep woot eep\n" "" "woot\n"
202
203	# -i with no filename
204
205	touch ./- # Detect gnu failure mode here.
206	testing "sed -i with no arg [GNUFAIL]" "sed -e '' -i 2> /dev/null \|\| echo yes" \
207	"yes\n" "" ""
208	rm ./- # Clean up
209
210	testing "sed s/xxx/[/" "sed -e 's/xxx/[/'" "[\n" "" "xxx\n"
211
212	# Ponder this a bit more, why "woo not found" from gnu version?
213	#testing "sed doesn't substitute in deleted line" \
214	# "sed -e '/ook/d;s/ook//;t woo;a bang;'" "bang" "" "ook\n"
215
216	# This makes both seds very unhappy. Why?
217	#testing "sed -g (exhaustive)" "sed -e 's/[[:space:]]*/,/g'" ",1,2,3,4,5," \
218	# "" "12345"
219
220	# testing "description" "arguments" "result" "infile" "stdin"
221
222	testing "sed n command must reset 'substituted' bit" \
223	"sed 's/1/x/;T;n;: next;s/3/y/;t quit;n;b next;: quit;q'" \
224	"0\nx\n2\ny\n" "" "0\n1\n2\n3\n"
225
226	testing "sed d does not break n,m matching" \
227	"sed -n '1d;1,3p'" \
228	"second\nthird\n" "" "first\nsecond\nthird\nfourth\n"
229
230	testing "sed d does not break n,regex matching" \
231	"sed -n '1d;1,/hir/p'" \
232	"second\nthird\n" "" "first\nsecond\nthird\nfourth\n"
233
234	testing "sed d does not break n,regex matching #2" \
235	"sed -n '1,5d;1,/hir/p'" \
236	"second2\nthird2\n" "" \
237	"first\nsecond\nthird\nfourth\n""first2\nsecond2\nthird2\nfourth2\n"
238
239	testing "sed 2d;2,1p (gnu compat)" \
240	"sed -n '2d;2,1p'" \
241	"third\n" "" \
242	"first\nsecond\nthird\nfourth\n"
243
244	# Regex means: "match / at BOL or nothing, then one or more not-slashes".
245	# The bug was that second slash in /usr/lib was treated as "at BOL" too.
246	testing "sed beginning (^) matches only once" \
247	"sed 's,\(^/\\|\)[^/][^/]*,>\0<,g'" \
248	">/usr</>lib<\n" "" \
249	"/usr/lib\n"
250
251	testing "sed c" \
252	"sed 'crepl'" \
253	"repl\nrepl\n" "" \
254	"first\nsecond\n"
255
256	testing "sed nested {}s" \
257	"sed '/asd/ { p; /s/ { s/s/c/ }; p; q }'" \
258	"qwe\nasd\nacd\nacd\n" "" \
259	"qwe\nasd\nzxc\n"
260
261	testing "sed a cmd ended by double backslash" \
262	"sed -e '/\| one /a \\
263	\| three \\\\' -e '/\| one-/a \\
264	\| three-* \\\\'" \
265	' \| one \\
266	\| three \\
267	\| two \\
268	' '' \
269	' \| one \\
270	\| two \\
271	'
272
273	# testing "description" "arguments" "result" "infile" "stdin"
274
275	exit $FAILCOUNT