1 files changed, 47 insertions, 0 deletions
diff --git a/test/SemaObjC/super-class-protocol-conformance.m b/test/SemaObjC/super-class-protocol-conformance.m
new file mode 100644
index 0000000..ac8bc70
--- /dev/null
+++ b/test/SemaObjC/super-class-protocol-conformance.m
@@ -0,0 +1,47 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+// rdar: // 7884086
+
+@interface NSObject @end
+
+@protocol TopProtocol
+  @property (readonly) id myString; // expected-warning {{property 'myString' requires method 'myString' to be defined}}
+@end
+
+@protocol SubProtocol <TopProtocol>
+@end
+
+@interface TopClass : NSObject <TopProtocol> {}
+@end
+
+@interface SubClass : TopClass <SubProtocol> {}
+@end
+
+@interface SubClass1 : TopClass {}	
+@end
+
+@implementation SubClass1 @end // Test1 - No Warning
+
+@implementation TopClass  // expected-note {{implementation is here}}
+@end
+
+@implementation SubClass // Test3 - No Warning 
+@end
+
+@interface SubClass2  : TopClass<TopProtocol> 
+@end
+
+@implementation SubClass2 @end // Test 4 - No Warning
+
+@interface SubClass3 : TopClass<SubProtocol> @end
+@implementation SubClass3 @end	// Test 5 - No Warning 
+
+@interface SubClass4 : SubClass3 @end
+@implementation SubClass4 @end	// Test 5 - No Warning
+
+@protocol NewProtocol
+  @property (readonly) id myNewString; // expected-warning {{property 'myNewString' requires method 'myNewString' to be defined}}
+@end
+
+@interface SubClass5 : SubClass4 <NewProtocol> @end
+@implementation SubClass5 @end   // expected-note {{implementation is here}}
+