31 lines
1.0 KiB
Objective-C
31 lines
1.0 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify %s
|
|
|
|
typedef unsigned int size_t;
|
|
@protocol P @end
|
|
|
|
@interface NSMutableArray
|
|
- (id)objectAtIndexedSubscript:(size_t)index;
|
|
- (void)setObject:(id)object atIndexedSubscript:(size_t)index;
|
|
@end
|
|
|
|
@interface NSMutableDictionary
|
|
- (id)objectForKeyedSubscript:(id)key;
|
|
- (void)setObject:(id)object forKeyedSubscript:(size_t)key;
|
|
@end
|
|
|
|
id func() {
|
|
NSMutableArray *array;
|
|
float f;
|
|
array[f] = array; // expected-error {{indexing expression is invalid because subscript type 'float' is not an integral or Objective-C pointer type}}
|
|
return array[3.14]; // expected-error {{indexing expression is invalid because subscript type 'double' is not an integral or Objective-C pointer type}}
|
|
}
|
|
|
|
void test_unused() {
|
|
NSMutableArray *array;
|
|
array[10]; // expected-warning {{container access result unused - container access should not be used for side effects}}
|
|
|
|
NSMutableDictionary *dict;
|
|
dict[array]; // expected-warning {{container access result unused - container access should not be used for side effects}}
|
|
}
|
|
|