4 files changed, 24 insertions, 0 deletions

diff --git a/usr.bin/cmp/tests/Makefile b/usr.bin/cmp/tests/Makefile
index 087f32f4185f..99469ba42243 100644
--- a/usr.bin/cmp/tests/Makefile
+++ b/usr.bin/cmp/tests/Makefile
@@ -2,9 +2,14 @@
 
 .include <bsd.own.mk>
 
+PACKAGE=	tests
+
 ATF_TESTS_SH+=		cmp_test2
 NETBSD_ATF_TESTS_SH=	cmp_test
 
+${PACKAGE}FILES+=	b_flag.out
+${PACKAGE}FILES+=	bl_flag.out
+
 .include <netbsd-tests.test.mk>
 
 .include <bsd.test.mk>
diff --git a/usr.bin/cmp/tests/b_flag.out b/usr.bin/cmp/tests/b_flag.out
new file mode 100644
index 000000000000..bb3d288716b0
--- /dev/null
+++ b/usr.bin/cmp/tests/b_flag.out
@@ -0,0 +1 @@
+a b differ: char 3, line 1 is 143 c 144 d
diff --git a/usr.bin/cmp/tests/bl_flag.out b/usr.bin/cmp/tests/bl_flag.out
new file mode 100644
index 000000000000..8ec9007d7ed3
--- /dev/null
+++ b/usr.bin/cmp/tests/bl_flag.out
@@ -0,0 +1 @@
+     3 143 c 144 d
diff --git a/usr.bin/cmp/tests/cmp_test2.sh b/usr.bin/cmp/tests/cmp_test2.sh
index 893ee59076c3..c264827646ca 100755
--- a/usr.bin/cmp/tests/cmp_test2.sh
+++ b/usr.bin/cmp/tests/cmp_test2.sh
@@ -118,6 +118,22 @@ limit_body()
 	atf_check -s exit:1 -o ignore -x "cat a | cmp -sn 5 b -"
 }
 
+atf_test_case bflag
+bflag_head()
+{
+	atf_set "descr" "Test cmp(1) -b (print bytes)"
+}
+bflag_body()
+{
+	echo -n "abcd" > a
+	echo -n "abdd" > b
+
+	atf_check -s exit:1 -o file:$(atf_get_srcdir)/b_flag.out \
+	    cmp -b a b
+	atf_check -s exit:1 -o file:$(atf_get_srcdir)/bl_flag.out \
+	    cmp -bl a b
+}
+
 atf_init_test_cases()
 {
 	atf_add_test_case special
@@ -125,4 +141,5 @@ atf_init_test_cases()
 	atf_add_test_case pr252542
 	atf_add_test_case skipsuff
 	atf_add_test_case limit
+	atf_add_test_case bflag
 }