YouCompleteMe/cpp/llvm/tools/clang/test/SemaObjC/objc-container-subscripting-2.m
Strahinja Val Markovic 1f51a89d39 Adding more llvm/clang files
These were ignored by git accidentally. We want ALL OF THEM since they all came
in the llvm/clang source distribution.
2012-07-05 17:55:45 -07:00

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}}
}