1 files changed, 56 insertions, 0 deletions
diff --git a/test/SemaObjC/protocol-implementation-inherited.m b/test/SemaObjC/protocol-implementation-inherited.m
new file mode 100644
index 0000000..1aace21
--- /dev/null
+++ b/test/SemaObjC/protocol-implementation-inherited.m
@@ -0,0 +1,56 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+@protocol P0
+-bar;
+@end
+
+@interface A <P0>
+@end
+
+// Interface conforms to inherited protocol
+
+@interface B0 : A <P0>
+@end
+
+@implementation B0
+@end
+
+// Interface conforms to a protocol which extends another. The other
+// protocol is inherited, and extended methods are implemented.
+
+@protocol P1 <P0>
+-foo;
+@end
+
+@interface B1 : A <P1>
+@end
+
+@implementation B1
+-foo {};
+@end
+
+// Interface conforms to a protocol whose methods are provided by an
+// alternate inherited protocol.
+
+@protocol P2
+-bar;
+@end
+
+@interface B2 : A <P2>
+@end
+
+@implementation B2
+@end
+
+// Interface conforms to a protocol whose methods are provided by a base class.
+
+@interface A1 
+-bar;
+@end
+
+@interface B3 : A1 <P2>
+@end
+
+@implementation B3
+@end
+