Ted Kremenek | ebcb57a | 2012-03-06 20:05:56 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin %s -o /dev/null |
| 2 | |
| 3 | typedef unsigned int size_t; |
| 4 | @protocol P @end |
| 5 | |
| 6 | @interface NSMutableArray |
| 7 | #if __has_feature(objc_subscripting) |
| 8 | - (id)objectAtIndexedSubscript:(size_t)index; |
| 9 | - (void)setObject:(id)object atIndexedSubscript:(size_t)index; |
| 10 | #endif |
| 11 | @end |
| 12 | |
| 13 | #if __has_feature(objc_subscripting) |
| 14 | @interface XNSMutableArray |
| 15 | - (id)objectAtIndexedSubscript:(size_t)index; |
| 16 | - (void)setObject:(id)object atIndexedSubscript:(size_t)index; |
| 17 | #endif |
| 18 | @end |
| 19 | |
| 20 | @interface NSMutableDictionary |
| 21 | - (id)objectForKeyedSubscript:(id)key; |
| 22 | - (void)setObject:(id)object forKeyedSubscript:(id)key; |
| 23 | @end |
| 24 | |
| 25 | @class NSString; |
| 26 | |
| 27 | int main() { |
| 28 | NSMutableArray<P> * array; |
| 29 | id oldObject = array[10]; |
| 30 | |
| 31 | array[10] = oldObject; |
| 32 | |
| 33 | id unknown_array; |
| 34 | oldObject = unknown_array[1]; |
| 35 | |
| 36 | unknown_array[1] = oldObject; |
| 37 | |
| 38 | NSMutableDictionary *dictionary; |
| 39 | NSString *key; |
| 40 | id newObject; |
| 41 | oldObject = dictionary[key]; |
| 42 | dictionary[key] = newObject; // replace oldObject with newObject |
| 43 | |
| 44 | } |
| 45 | |