From 45d4676862c0a289aa39f15cca87ba4ac6bf91ce Mon Sep 17 00:00:00 2001
From: millert <millert@openbsd.org>
Date: Tue, 23 Jun 2015 22:53:14 +0000
Subject: [PATCH] Add regress test for multiple negation characters.

---
 regress/usr.bin/sed/Makefile          | 8 ++++++--
 regress/usr.bin/sed/negation.expected | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)
 create mode 100644 regress/usr.bin/sed/negation.expected

diff --git a/regress/usr.bin/sed/Makefile b/regress/usr.bin/sed/Makefile
index 826ef2c1a51..cf380d00faf 100644
--- a/regress/usr.bin/sed/Makefile
+++ b/regress/usr.bin/sed/Makefile
@@ -1,9 +1,9 @@
-#	$OpenBSD: Makefile,v 1.3 2011/06/23 11:53:57 schwarze Exp $
+#	$OpenBSD: Makefile,v 1.4 2015/06/23 22:53:14 millert Exp $
 #	$NetBSD: Makefile,v 1.1 2005/04/04 16:48:45 peter Exp $
 
 SED=	/usr/bin/sed
 
-REGRESS_TARGETS= sedtest substitute hanoi math sierpinski
+REGRESS_TARGETS= sedtest substitute hanoi math sierpinski negation
 
 sedtest:
 	sh ${.CURDIR}/$@.sh ${SED} $@.out
@@ -24,6 +24,10 @@ sierpinski:
 	${SED} -nf ${.CURDIR}/$@.sed ${.CURDIR}/$@.in > $@.out
 	diff ${.CURDIR}/$@.expected $@.out
 
+negation:
+	echo foo | ${SED} "1!!s/foo/bar/" > $@.out
+	diff ${.CURDIR}/$@.expected $@.out
+
 CLEANFILES+=*.out lines* script*
 
 .include <bsd.regress.mk>
diff --git a/regress/usr.bin/sed/negation.expected b/regress/usr.bin/sed/negation.expected
new file mode 100644
index 00000000000..257cc5642cb
--- /dev/null
+++ b/regress/usr.bin/sed/negation.expected
@@ -0,0 +1 @@
+foo
-- 
2.20.1