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// 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}}
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