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1// RUN: %clang_cc1 -fsyntax-only -verify %s
2// rdar://7884086
3
4@interface NSObject @end
5
6@protocol TopProtocol
7  @property (readonly) id myString; // expected-note {{property}}
8@end
9
10@protocol SubProtocol <TopProtocol>
11@end
12
13@interface TopClass : NSObject <TopProtocol> {}
14@end
15
16@interface SubClass : TopClass <SubProtocol> {}
17@end
18
19@interface SubClass1 : TopClass {}
20@end
21
22@implementation SubClass1 @end // Test1 - No Warning
23
24@implementation TopClass  // expected-warning {{property 'myString' requires method 'myString' to be defined}}
25@end
26
27@implementation SubClass // Test3 - No Warning
28@end
29
30@interface SubClass2  : TopClass<TopProtocol>
31@end
32
33@implementation SubClass2 @end // Test 4 - No Warning
34
35@interface SubClass3 : TopClass<SubProtocol> @end
36@implementation SubClass3 @end	// Test 5 - No Warning
37
38@interface SubClass4 : SubClass3 @end
39@implementation SubClass4 @end	// Test 5 - No Warning
40
41@protocol NewProtocol
42  @property (readonly) id myNewString;  // expected-note {{property}}
43@end
44
45@interface SubClass5 : SubClass4 <NewProtocol> @end
46@implementation SubClass5 @end   // expected-warning {{property 'myNewString' requires method 'myNewString' to be defined}}
47
48
49// Radar 8035776
50@protocol SuperProtocol
51@end
52
53@interface Super <SuperProtocol>
54@end
55
56@protocol ProtocolWithProperty <SuperProtocol>
57@property (readonly, assign) id invalidationBacktrace; // expected-note {{property}}
58@end
59
60@interface INTF : Super <ProtocolWithProperty>
61@end
62
63@implementation INTF @end // expected-warning{{property 'invalidationBacktrace' requires method 'invalidationBacktrace' to be defined}}
64