1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 // expected-no-diagnostics 3 // rdar: // 7963410 4 5 @protocol NSObject @end 6 @interface NSObject 7 - (id)init; 8 - (id) alloc; 9 - (id) autorelease; 10 @end 11 12 template<class T> 13 class TNSAutoRef 14 { 15 public: 16 TNSAutoRef(T t) 17 : fRef(t) 18 { } 19 20 ~TNSAutoRef() 21 { } 22 23 operator T() const 24 { return fRef; } 25 26 private: 27 T fRef; 28 }; 29 30 31 #pragma mark - 32 33 34 @protocol TFooProtocol <NSObject> 35 36 - (void) foo; 37 @end 38 39 40 #pragma mark - 41 42 43 @interface TFoo : NSObject 44 45 - (void) setBlah: (id<TFooProtocol>)blah; 46 @end 47 48 49 #pragma mark - 50 51 52 @implementation TFoo 53 54 - (void) setBlah: (id<TFooProtocol>)blah 55 { } 56 @end 57 58 59 #pragma mark - 60 61 62 @interface TBar : NSObject 63 64 - (void) setBlah: (id)blah; 65 @end 66 67 #pragma mark - 68 69 70 @implementation TBar 71 72 - (void) setBlah: (id)blah 73 { } 74 @end 75 76 77 #pragma mark - 78 79 80 int main (int argc, const char * argv[]) { 81 82 NSObject* object1 = [[[NSObject alloc] init] autorelease]; 83 TNSAutoRef<NSObject*> object2([[NSObject alloc] init]); 84 TNSAutoRef<TBar*> bar([[TBar alloc] init]); 85 [bar setBlah: object1]; // <== Does not compile. It should. 86 if (object1 == object2) 87 [bar setBlah: object2]; // <== Does not compile. It should. 88 return 0; 89 } 90
