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diff --git a/testsuite/bsd.sh b/testsuite/bsd.sh
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@@ -0,0 +1,435 @@
+#!/bin/sh -
+#	$NetBSD: sed.test,v 1.3 1997/01/09 20:21:37 tls Exp $
+#
+# Copyright (c) 1992 Diomidis Spinellis.
+# Copyright (c) 1992, 1993
+#	The Regents of the University of California.  All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#	This product includes software developed by the University of
+#	California, Berkeley and its contributors.
+# 4. Neither the name of the University nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+#	from: @(#)sed.test	8.1 (Berkeley) 6/6/93
+#	$NetBSD: sed.test,v 1.3 1997/01/09 20:21:37 tls Exp $
+#
+
+# sed Regression Tests
+
+# Modified by Paolo Bonzini to:
+# - not warn about buggy seds
+# - run tests once instead of comparing them to the system sed
+# - remove most uses of awk
+# - cleanup at exit
+# - comment tests that broke because of extensions
+
+main()
+{
+	TEST="${1-../sed/sed}"
+	TESTLOG="${2-sed.out}"
+	# DICT="${3-/usr/share/dict/words}"
+
+	: > lines1
+	: > lines2
+	for i in 1 2 3 4 5 6 7 8 9; do
+	  echo l1_$i >> lines1
+	  echo l2_$i >> lines2
+	done
+	for i in 10 11 12 13 14; do
+	  echo l1_$i >> lines1
+	done
+
+	# Set these flags to get messages about known problems
+	tests "$TEST" "$TESTLOG"
+
+	rm -f lines[1234] script[12]
+}
+
+tests()
+{
+	SED="$1"
+	LOG="$2"
+	MARK=100
+	rm -f "$LOG"
+
+	exec 3>&0 4>&1 5>&2
+	exec 0</dev/null 1>/dev/null 2>/dev/null
+	test_error
+	exec 0>&3 1>&4 2>&5
+
+	exec 4>&1 5>&2
+	test_args
+	test_addr
+	test_group
+	test_acid
+	test_branch
+	test_pattern
+	test_print
+	test_subst
+	exec 1>&4 2>&5
+}
+
+mark()
+{
+	exec 2>&1 >>$LOG
+	test $MARK = 100 || echo
+	MARK=`expr $MARK + 1`
+	echo "Test $1:$MARK" | sed 's/./=/g'
+	echo "Test $1:$MARK"
+	echo "Test $1:$MARK" | sed 's/./=/g'
+}
+
+test_args()
+{
+	mark '1.1'
+	echo Testing argument parsing
+	echo First type
+	$SED 's/^/e1_/p' lines1
+	mark '1.2' ; $SED -n 's/^/e1_/p' lines1
+	mark '1.3' ; $SED 's/^/e1_/p' <lines1
+	mark '1.4' ; $SED -n 's/^/e1_/p' <lines1
+	echo Second type
+	mark '1.4.1'
+	$SED -e '' <lines1
+	echo 's/^/s1_/p' >script1
+	echo 's/^/s2_/p' >script2
+	mark '1.5' ; $SED -f script1 lines1
+	mark '1.6' ; $SED -f script1 <lines1
+	mark '1.7' ; $SED -e 's/^/e1_/p' lines1
+	mark '1.8' ; $SED -e 's/^/e1_/p' <lines1
+	mark '1.9' ; $SED -n -f script1 lines1
+	mark '1.10' ; $SED -n -f script1 <lines1
+	mark '1.11' ; $SED -n -e 's/^/e1_/p' lines1
+	mark '1.12' ; $SED -n -e 's/^/e1_/p' <lines1
+	mark '1.13' ; $SED -e 's/^/e1_/p' -e 's/^/e2_/p' lines1
+	mark '1.14' ; $SED -f script1 -f script2 lines1
+	mark '1.15' ; $SED -e 's/^/e1_/p' -f script1 lines1
+	mark '1.16' ; $SED -e 's/^/e1_/p' lines1 lines1
+	# POSIX D11.2:11251
+	mark '1.17' ; $SED p <lines1 lines1
+cat >script1 <<EOF
+#n
+# A comment
+
+p
+EOF
+	mark '1.18' ; $SED -f script1 <lines1 lines1
+}
+
+test_addr()
+{
+	echo Testing address ranges
+	mark '2.1' ; $SED -n -e '4p' lines1
+	mark '2.2' ; $SED -n -e '20p' lines1 lines2
+	mark '2.3' ; $SED -n -e '$p' lines1
+	mark '2.4' ; $SED -n -e '$p' lines1 lines2
+	mark '2.5' ; $SED -n -e '$a\
+hello' /dev/null
+	mark '2.6' ; $SED -n -e '$p' lines1 /dev/null lines2
+	# Should not print anything
+	mark '2.7' ; $SED -n -e '20p' lines1
+	# Disabled because it is undefined behavior
+	# mark '2.8' ; $SED -n -e '0p' lines1
+	mark '2.9' ; $SED -n '/l1_7/p' lines1
+	mark '2.10' ; $SED -n ' /l1_7/ p' lines1
+	mark '2.11' ; $SED -n '\_l1\_7_p' lines1
+	mark '2.12' ; $SED -n '1,4p' lines1
+	mark '2.13' ; $SED -n '1,$p' lines1 lines2
+	mark '2.14' ; $SED -n '1,/l2_9/p' lines1 lines2
+	mark '2.15' ; $SED -n '/4/,$p' lines1 lines2
+	mark '2.16' ; $SED -n '/4/,20p' lines1 lines2
+	mark '2.17' ; $SED -n '/4/,/10/p' lines1 lines2
+	mark '2.18' ; $SED -n '/l2_3/,/l1_8/p' lines1 lines2
+	mark '2.19' ; $SED -n '12,3p' lines1 lines2
+	mark '2.20' ; $SED -n '/l1_7/,3p' lines1 lines2
+}
+
+test_group()
+{
+	echo Brace and other grouping
+	mark '3.1' ; $SED -e '
+4,12 {
+	s/^/^/
+	s/$/$/
+	s/_/T/
+}' lines1
+	mark '3.2' ; $SED -e '
+4,12 {
+	s/^/^/
+	/6/,/10/ {
+		s/$/$/
+		/8/ s/_/T/
+	}
+}' lines1
+	mark '3.3' ; $SED -e '
+4,12 !{
+	s/^/^/
+	/6/,/10/ !{
+		s/$/$/
+		/8/ !s/_/T/
+	}
+}' lines1
+	mark '3.4' ; $SED -e '4,12!s/^/^/' lines1
+}
+
+test_acid()
+{
+	echo Testing a c d and i commands
+	mark '4.1' ; $SED -n -e '
+s/^/before_i/p
+20i\
+inserted
+s/^/after_i/p
+' lines1 lines2
+	mark '4.2' ; $SED -n -e '
+5,12s/^/5-12/
+s/^/before_a/p
+/5-12/a\
+appended
+s/^/after_a/p
+' lines1 lines2
+	mark '4.3' ; $SED -n -e '
+s/^/^/p
+/l1_/a\
+appended
+8,10N
+s/$/$/p
+' lines1 lines2
+	mark '4.4' ; $SED -n -e '
+c\
+hello
+' lines1
+	mark '4.5' ; $SED -n -e '
+8c\
+hello
+' lines1
+	mark '4.6' ; $SED -n -e '
+3,14c\
+hello
+' lines1
+	mark '4.7' ; $SED -n -e '
+8,3c\
+hello
+' lines1
+	mark '4.8' ; $SED d <lines1
+}
+
+test_branch()
+{
+	echo Testing labels and branching
+	mark '5.1' ; $SED -n -e '
+b label4
+:label3
+s/^/label3_/p
+b end
+:label4
+2,12b label1
+b label2
+:label1
+s/^/label1_/p
+b
+:label2
+s/^/label2_/p
+b label3
+:end
+' lines1
+	mark '5.2' ; $SED -n -e '
+s/l1_/l2_/
+t ok
+b
+:ok
+s/^/tested /p
+' lines1 lines2
+	mark '5.3' ; $SED -n -e '
+5,8b inside
+1,5 {
+	s/^/^/p
+	:inside
+	s/$/$/p
+}
+' lines1
+# Check that t clears the substitution done flag
+	mark '5.4' ; $SED -n -e '
+1,8s/^/^/
+t l1
+:l1
+t l2
+s/$/$/p
+b
+:l2
+s/^/ERROR/
+' lines1
+# Check that reading a line clears the substitution done flag
+	mark '5.5' ; $SED -n -e '
+t l2
+1,8s/^/^/p
+2,7N
+b
+:l2
+s/^/ERROR/p
+' lines1
+	mark '5.6' ; $SED 5q lines1
+	mark '5.7' ; $SED -e '
+5i\
+hello
+5q' lines1
+# Branch across block boundary
+	mark '5.8' ; $SED -e '
+{
+:b
+}
+s/l/m/
+tb' lines1
+}
+
+test_pattern()
+{
+echo Pattern space commands
+# Check that the pattern space is deleted
+	mark '6.1' ; $SED -n -e '
+c\
+changed
+p
+' lines1
+	mark '6.2' ; $SED -n -e '
+4d
+p
+' lines1
+	mark '6.3' ; $SED -e '
+N
+N
+N
+D
+P
+4p
+' lines1
+	mark '6.4' ; $SED -e '
+2h
+3H
+4g
+5G
+6x
+6p
+6x
+6p
+' lines1
+	mark '6.5' ; $SED -e '4n' lines1
+	mark '6.6' ; $SED -n -e '4n' lines1
+}
+
+test_print()
+{
+	echo Testing print and file routines
+	awk 'END {for (i = 1; i < 256; i++) printf("%c", i);print "\n"}' \
+		</dev/null >lines3
+	mark '7.1' ; $SED -n l lines3
+	mark '7.2' ; $SED -e '/l2_/=' lines1 lines2
+	rm -f lines4
+	mark '7.3' ; $SED -e '3,12w lines4' lines1
+	echo w results
+	cat lines4
+	mark '7.4' ; $SED -e '4r lines2' lines1
+	mark '7.5' ; $SED -e '5r /dev/dds' lines1
+	mark '7.6' ; $SED -e '6r /dev/null' lines1
+	# mark '7.7'
+	# sed '200q' $DICT | sed 's$.*$s/^/&/w tmpdir/&$' >script1
+	# rm -rf tmpdir
+	# mkdir tmpdir
+	# $SED -f script1 lines1
+	# cat tmpdir/*
+	# rm -rf tmpdir
+	mark '7.8'
+	echo line1 > lines3
+	echo "" >> lines3
+	$SED -n -e '$p' lines3 /dev/null
+}
+
+test_subst()
+{
+	echo Testing substitution commands
+	mark '8.1' ; $SED -e 's/./X/g' lines1
+	mark '8.2' ; $SED -e 's,.,X,g' lines1
+	mark '8.3' ; $SED -e 's.\..X.g' lines1
+# POSIX does not say that this should work
+#	mark '8.4' ; $SED -e 's/[/]/Q/' lines1
+	mark '8.4' ; $SED -e 's/[\/]/Q/' lines1
+	mark '8.5' ; $SED -e 's_\__X_' lines1
+	mark '8.6' ; $SED -e 's/./(&)/g' lines1
+	mark '8.7' ; $SED -e 's/./(\&)/g' lines1
+	mark '8.8' ; $SED -e 's/\(.\)\(.\)\(.\)/x\3x\2x\1/g' lines1
+	mark '8.9' ; $SED -e 's/_/u0\
+u1\
+u2/g' lines1
+	mark '8.10' ; $SED -e 's/./X/4' lines1
+	rm -f lines4
+	mark '8.11' ; $SED -e 's/1/X/w lines4' lines1
+	echo s wfile results
+	cat lines4
+	mark '8.12' ; $SED -e 's/[123]/X/g' lines1
+	mark '8.13' ; $SED -e 'y/0123456789/9876543210/' lines1
+	mark '8.14' ; $SED -e 'y10\123456789198765432\101' lines1
+	mark '8.15' ; $SED -e '1N;2y/\n/X/' lines1
+	mark '8.16'
+	echo 'eeefff' | $SED -e 'p' -e 's/e/X/p' -e ':x' \
+	    -e 's//Y/p' -e '/f/bx'
+	mark '8.17' ; $SED -e 's&.&\&&g' lines1
+}
+
+test_error()
+{
+	$SED -x && exit 1
+	$SED -f && exit 1
+	$SED -e && exit 1
+	$SED -f /dev/dds && exit 1
+	$SED p /dev/dds && exit 1
+	$SED -f /bin/sh && exit 1
+	$SED '{' && exit 1
+	$SED '{' && exit 1
+	$SED '/hello/' && exit 1
+	$SED '1,/hello/' && exit 1
+	$SED -e '-5p' && exit 1
+	$SED '/jj' && exit 1
+	# $SED 'a hello' && exit 1
+	# $SED 'a \ hello' && exit 1
+	$SED 'b foo' && exit 1
+	$SED 'd hello' && exit 1
+	$SED 's/aa' && exit 1
+	$SED 's/aa/' && exit 1
+	$SED 's/a/b' && exit 1
+	$SED 's/a/b/c/d' && exit 1
+	$SED 's/a/b/ 1 2' && exit 1
+	# $SED 's/a/b/ 1 g' && exit 1
+	$SED 's/a/b/w' && exit 1
+	$SED 'y/aa' && exit 1
+	$SED 'y/aa/b/' && exit 1
+	$SED 'y/aa/' && exit 1
+	$SED 'y/a/b' && exit 1
+	$SED 'y/a/b/c/d' && exit 1
+	$SED '!' && exit 1
+	$SED supercalifrangolisticexprialidociussupercalifrangolisticexcius
+}
+
+main ${1+"$@"}