| Jordan Rose | fe6a011 | 2012-07-02 19:28:21 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -analyze -analyzer-checker=core -verify %s |
| 2 | |
| 3 | @interface MyObject |
| 4 | - (void)takePointer:(void *)ptr __attribute__((nonnull(1))); |
| 5 | @end |
| 6 | |
| 7 | void testNonNullMethod(int *p, MyObject *obj) { |
| 8 | if (p) |
| 9 | return; |
| 10 | [obj takePointer:p]; // expected-warning{{nonnull}} |
| 11 | } |
| 12 | |
| 13 | |
| 14 | @interface Subclass : MyObject |
| 15 | // [[nonnull]] is an inherited attribute. |
| 16 | - (void)takePointer:(void *)ptr; |
| 17 | @end |
| 18 | |
| 19 | void testSubclass(int *p, Subclass *obj) { |
| 20 | if (p) |
| 21 | return; |
| 22 | [obj takePointer:p]; // expected-warning{{nonnull}} |
| 23 | } |