| Fariborz Jahanian | cfc8738 | 2007-12-20 22:53:29 +0000 | [diff] [blame] | 1 | // RUN: clang -fsyntax-only -verify %s |
| 2 | |
| Fariborz Jahanian | 3886012 | 2008-01-09 00:33:05 +0000 | [diff] [blame] | 3 | #define nil (void *)0; |
| 4 | #define Nil (void *)0; |
| Fariborz Jahanian | cfc8738 | 2007-12-20 22:53:29 +0000 | [diff] [blame] | 5 | |
| 6 | @protocol MyProtocol |
| 7 | - (void) foo; |
| 8 | @end |
| 9 | |
| 10 | @interface MyClass |
| 11 | @end |
| 12 | |
| 13 | int 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 | } |