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1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s2 3@interface RandomObject {4@private5}6+ (id)alloc;7@end8 9@protocol TestProtocol10- (void)nothingInteresting;11@end12 13@protocol Test2Protocol14+ (id)alloc;15- (id)alloc2; // expected-note 2 {{method 'alloc2' declared here}}16@end17 18@implementation RandomObject19- (void) Meth {20 Class<TestProtocol> c = [c alloc]; // expected-warning {{class method '+alloc' not found (return type defaults to 'id')}}21 Class<Test2Protocol> c1 = [c1 alloc2]; // expected-warning {{instance method 'alloc2' found instead of class method 'alloc2'}}22 Class<Test2Protocol> c2 = [c2 alloc]; // ok23}24+ (id)alloc { return 0; }25@end26 27int main (void)28{29 Class<TestProtocol> c = [c alloc]; // expected-warning {{class method '+alloc' not found (return type defaults to 'id')}}30 Class<Test2Protocol> c1 = [c1 alloc2]; // expected-warning {{instance method 'alloc2' found instead of class method 'alloc2'}}31 Class<Test2Protocol> c2 = [c2 alloc]; // ok32 return 0;33}34 35@protocol NSObject36 37- (int)respondsToSelector:(SEL)aSelector;38 39@end40 41__attribute__((objc_root_class))42@interface NSObject <NSObject>43 44@end45 46@protocol OtherProto47 48- (void)otherInstanceMethod; // expected-note {{method 'otherInstanceMethod' declared here}}49 50@end51 52@protocol MyProto <NSObject, OtherProto>53@end54 55void allowInstanceMethodsFromRootProtocols(Class<MyProto> c) {56 [c respondsToSelector: @selector(instanceMethod)]; // no warning57 [c otherInstanceMethod]; // expected-warning {{instance method 'otherInstanceMethod' found instead of class method 'otherInstanceMethod'}}58}59