1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 @interface MyBase 4 - (void) rootInstanceMethod; 5 @end 6 7 @interface MyIntermediate: MyBase 8 @end 9 10 @interface MyDerived: MyIntermediate 11 - (void) instanceMethod; 12 + (void) classMethod; 13 @end 14 15 @implementation MyDerived 16 - (void) instanceMethod { 17 } 18 19 + (void) classMethod { /* If a class method is not found, the root */ 20 [self rootInstanceMethod]; /* class is searched for an instance method */ 21 [MyIntermediate rootInstanceMethod]; /* with the same name. */ 22 23 [self instanceMethod];// expected-warning {{'+instanceMethod' not found (return type defaults to 'id')}} 24 [MyDerived instanceMethod];// expected-warning {{'+instanceMethod' not found (return type defaults to 'id')}} 25 } 26 @end 27 28 @interface Object @end 29 30 @interface Class1 31 - (void)setWindow:(Object *)wdw; 32 @end 33 34 @interface Class2 35 - (void)setWindow:(Class1 *)window; 36 @end 37 38 #define nil (void*)0 39 40 id foo(void) { 41 Object *obj; 42 id obj2 = obj; 43 [obj setWindow:nil]; // expected-warning {{'Object' may not respond to 'setWindow:'}} 44 45 return obj; 46 } 47
