Add regress tests for grep -A, -B and -C flags

ok otto@

diff --git a/regress/usr.bin/grep/Makefile b/regress/usr.bin/grep/Makefile
index 6fd13d0..edb5a52 100644 (file)
--- a/regress/usr.bin/grep/Makefile
+++ b/regress/usr.bin/grep/Makefile
@@ -1,7 +1,7 @@
-# $OpenBSD: Makefile,v 1.17 2012/12/12 15:11:25 weerd Exp $
+# $OpenBSD: Makefile,v 1.18 2021/12/29 19:31:01 sdk Exp $
 
 REGRESS_TARGETS=t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 t14 t15 t16 t17 \
-       t18 t19 t20 t21 t22 t23 t24 t25 t26
+       t18 t19 t20 t21 t22 t23 t24 t25 t26 t27
 
 t1:
        grep t.s ${.CURDIR}/in | diff - ${.CURDIR}/t1.out
@@ -102,8 +102,13 @@ t25:
 t26:
        echo 'aaab' | grep -o 'a*' | head -n 10 | diff - ${.CURDIR}/t26.out
 
+t27:
+       grep -A1 'C' ${.CURDIR}/t27.in | diff - ${.CURDIR}/t27a.out
+       grep -B1 'C' ${.CURDIR}/t27.in | diff - ${.CURDIR}/t27b.out
+       grep -C1 'C' ${.CURDIR}/t27.in | diff - ${.CURDIR}/t27c.out
+
 
 .PHONY: t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 t14 t15 t16 t17 t18 t19 t20
-.PHONY: t21 t22 t23 t24 t25 t26
+.PHONY: t21 t22 t23 t24 t25 t26 t27
 
 .include <bsd.regress.mk>

diff --git a/regress/usr.bin/grep/t27.in b/regress/usr.bin/grep/t27.in
new file mode 100644 (file)
index 0000000..1967dea
--- /dev/null
+++ b/regress/usr.bin/grep/t27.in
@@ -0,0 +1,12 @@
+A
+B
+C
+D
+A
+B
+C
+D
+A
+B
+C
+D

diff --git a/regress/usr.bin/grep/t27a.out b/regress/usr.bin/grep/t27a.out
new file mode 100644 (file)
index 0000000..9320af9
--- /dev/null
+++ b/regress/usr.bin/grep/t27a.out
@@ -0,0 +1,8 @@
+C
+D
+--
+C
+D
+--
+C
+D

diff --git a/regress/usr.bin/grep/t27b.out b/regress/usr.bin/grep/t27b.out
new file mode 100644 (file)
index 0000000..b8e0f33
--- /dev/null
+++ b/regress/usr.bin/grep/t27b.out
@@ -0,0 +1,8 @@
+B
+C
+--
+B
+C
+--
+B
+C

diff --git a/regress/usr.bin/grep/t27c.out b/regress/usr.bin/grep/t27c.out
new file mode 100644 (file)
index 0000000..becae85
--- /dev/null
+++ b/regress/usr.bin/grep/t27c.out
@@ -0,0 +1,11 @@
+B
+C
+D
+--
+B
+C
+D
+--
+B
+C
+D