llvm-project/clang/test/SemaObjC/objc-container-subscripting.m

43 lines
2.2 KiB
Objective-C

// RUN: %clang_cc1 -fsyntax-only -verify %s
typedef unsigned int size_t;
@protocol P @end
@interface NSMutableArray
- (id)objectAtIndexedSubscript:(double)index; // expected-note {{parameter of type 'double' is declared here}}
- (void)setObject:(id *)object atIndexedSubscript:(void *)index; // expected-note {{parameter of type 'void *' is declared here}} \
// expected-note {{parameter of type 'id *' is declared here}}
@end
@interface I @end
int main() {
NSMutableArray<P> * array;
id oldObject = array[10]; // expected-error {{method index parameter type 'double' is not integral type}}
array[3] = 0; // expected-error {{method index parameter type 'void *' is not integral type}} \
// expected-error {{cannot assign to this array because assigning method's 2nd parameter of type 'id *' is not an Objective-C pointer type}}
I* iarray;
iarray[3] = 0; // expected-error {{expected method to write array element not found on object of type 'I *'}}
I* p = iarray[4]; // expected-error {{expected method to read array element not found on object of type 'I *'}}
oldObject = array[10]++; // expected-error {{illegal operation on Objective-C container subscripting}}
oldObject = array[10]--; // expected-error {{illegal operation on Objective-C container subscripting}}
oldObject = --array[10]; // expected-error {{illegal operation on Objective-C container subscripting}}
}
@interface NSMutableDictionary
- (id)objectForKeyedSubscript:(id*)key; // expected-note {{parameter of type 'id *' is declared here}}
- (void)setObject:(void*)object forKeyedSubscript:(id*)key; // expected-note {{parameter of type 'void *' is declared here}} \
// expected-note {{parameter of type 'id *' is declared here}}
@end
@class NSString;
void testDict() {
NSMutableDictionary *dictionary;
NSString *key;
id newObject, oldObject;
oldObject = dictionary[key]; // expected-error {{method key parameter type 'id *' is not object type}}
dictionary[key] = newObject; // expected-error {{method object parameter type 'void *' is not object type}} \
// expected-error {{method key parameter type 'id *' is not object type}}
}