diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index b536e01..9ed6b5f 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -1340,6 +1340,14 @@
                "@end\n"
                "@protocol Bar\n"
                "@end");
+
+  verifyFormat("@protocol myProtocol\n"
+               "- (void)mandatoryWithInt:(int)i;\n"
+               "@optional\n"
+               "- (void)optional;\n"
+               "@required\n"
+               "- (void)required;\n"
+               "@end\n");
 }
 
 TEST_F(FormatTest, ObjCAt) {