1 files changed, 11 insertions, 0 deletions

diff --git a/usr.bin/diff/tests/diff_test.sh b/usr.bin/diff/tests/diff_test.sh
index 9b97f19f7297..557eea049d4e 100755
--- a/usr.bin/diff/tests/diff_test.sh
+++ b/usr.bin/diff/tests/diff_test.sh
@@ -8,6 +8,7 @@ atf_test_case ifdef
 atf_test_case group_format
 atf_test_case side_by_side
 atf_test_case brief_format
+atf_test_case b230049
 
 simple_body()
 {
@@ -52,6 +53,15 @@ unified_body()
 		diff -u9999 -L input_c1.in -L input_c2.in "$(atf_get_srcdir)/input_c1.in" "$(atf_get_srcdir)/input_c2.in"
 }
 
+b230049_body()
+{
+	printf 'a\nb\r\nc\n' > b230049_a.in
+	printf 'a\r\nb\r\nc\r\n' > b230049_b.in
+	atf_check -o empty -s eq:0 \
+		diff -up --strip-trailing-cr -L b230049_a.in -L b230049_b.in \
+		    b230049_a.in b230049_b.in
+}
+
 header_body()
 {
 	export TZ=UTC
@@ -150,4 +160,5 @@ atf_init_test_cases()
 	atf_add_test_case group_format
 	atf_add_test_case side_by_side
 	atf_add_test_case brief_format
+	atf_add_test_case b230049
 }