1// RUN: %clang_cc1 -fsyntax-only -verify %s 2 3#define nil (void *)0; 4#define Nil (void *)0; 5 6@protocol MyProtocol 7- (void) foo; 8@end 9 10@interface MyClass 11@end 12 13int main() 14{ 15 id obj = nil; 16 id<MyProtocol> obj_p = nil; 17 MyClass *obj_c = nil; 18 Class obj_C = Nil; 19 20 /* All these casts should generate no warnings. */ 21 22 obj = (id)obj_p; 23 obj = (id)obj_c; 24 obj = (id)obj_C; 25 obj_c = (MyClass *)obj; 26 obj_c = (MyClass *)obj_p; 27 obj_c = (MyClass *)obj_C; 28 obj_p = (id<MyProtocol>)obj; 29 obj_p = (id<MyProtocol>)obj_c; 30 obj_p = (id<MyProtocol>)obj_C; 31 obj_C = (Class)obj; 32 obj_C = (Class)obj_p; 33 obj_C = (Class)obj_c; 34 35 36 return 0; 37} 38