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139 lines
5.1 KiB
139 lines
5.1 KiB
// RUN: %clang_cc1 -fblocks -triple x86_64-apple-darwin11 -fsyntax-only -std=c++11 -verify %s
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@class NSArray;
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@interface NSMutableDictionary
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- (id)objectForKeyedSubscript:(id)key;
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- (void)setObject:(id)object forKeyedSubscript:(id)key; // expected-note {{passing argument to parameter 'object' here}}
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@end
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template<typename T, typename U, typename O>
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void test_dictionary_subscripts(T base, U key, O obj) {
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base[key] = obj; // expected-error {{expected method to write array element not found on object of type 'NSMutableDictionary *'}} \
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// expected-error {{cannot initialize a parameter of type 'id' with an lvalue of type 'int'}}
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obj = base[key]; // expected-error {{expected method to read array element not found on object of type 'NSMutableDictionary *'}} \
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// expected-error {{assigning to 'int' from incompatible type 'id'}}
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}
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template void test_dictionary_subscripts(NSMutableDictionary*, id, NSArray *ns);
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template void test_dictionary_subscripts(NSMutableDictionary*, NSArray *ns, id);
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template void test_dictionary_subscripts(NSMutableDictionary*, int, id); // expected-note {{in instantiation of function template specialization 'test_dictionary_subscripts<NSMutableDictionary *, int, id>' requested here}}
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template void test_dictionary_subscripts(NSMutableDictionary*, id, int); // expected-note {{in instantiation of function template specialization 'test_dictionary_subscripts<NSMutableDictionary *, id, int>' requested here}}
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@interface NSMutableArray
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- (id)objectAtIndexedSubscript:(int)index;
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- (void)setObject:(id)object atIndexedSubscript:(int)index;
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@end
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template<typename T, typename U, typename O>
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void test_array_subscripts(T base, U index, O obj) {
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base[index] = obj; // expected-error {{indexing expression is invalid because subscript type 'double' is not an integral or Objective-C pointer type}}
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obj = base[index]; // expected-error {{indexing expression is invalid because subscript type 'double' is not an integral or Objective-C pointer type}}
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}
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template void test_array_subscripts(NSMutableArray *, int, id);
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template void test_array_subscripts(NSMutableArray *, short, id);
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enum E { e };
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template void test_array_subscripts(NSMutableArray *, E, id);
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template void test_array_subscripts(NSMutableArray *, double, id); // expected-note {{in instantiation of function template specialization 'test_array_subscripts<NSMutableArray *, double, id>' requested here}}
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template<typename T>
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struct ConvertibleTo {
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operator T();
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};
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template<typename T>
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struct ExplicitlyConvertibleTo {
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explicit operator T();
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};
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template<typename T> ConvertibleTo<T> makeConvertible();
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struct X {
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ConvertibleTo<id> x;
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ConvertibleTo<id> get();
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};
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NSMutableArray *test_array_convertibility(ConvertibleTo<NSMutableArray*> toArray,
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ConvertibleTo<id> toId,
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ConvertibleTo<int (^)(int)> toBlock,
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ConvertibleTo<int> toInt,
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ExplicitlyConvertibleTo<NSMutableArray *> toArrayExplicit) {
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id array;
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array[1] = toArray;
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array[4] = array[1];
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toArrayExplicit[2] = toId; // expected-error {{type 'ExplicitlyConvertibleTo<NSMutableArray *>' does not provide a subscript operator}}
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return array[toInt];
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}
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id test_dict_convertibility(ConvertibleTo<NSMutableDictionary*> toDict,
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ConvertibleTo<id> toId,
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ConvertibleTo<int (^)(int)> toBlock,
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ConvertibleTo<int> toInt,
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ExplicitlyConvertibleTo<NSMutableDictionary *> toDictExplicit) {
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NSMutableDictionary *Dict;
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id Id;
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Dict[toId] = toBlock;
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Dict[toBlock] = toBlock;
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Dict[toBlock] = Dict[toId] = Dict[toBlock];
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Id = toDictExplicit[toId] = Id; // expected-error {{no viable overloaded operator[] for type 'ExplicitlyConvertibleTo<NSMutableDictionary *>'}}
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return Dict[toBlock];
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}
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template<typename ...Args>
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void test_bad_variadic_array_subscripting(Args ...args) {
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id arr1;
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arr1[3] = args; // expected-error {{expression contains unexpanded parameter pack 'args'}}
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}
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template<typename ...Args>
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void test_variadic_array_subscripting(Args ...args) {
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id arr[] = {args[3]...}; // which means: {a[3], b[3], c[3]};
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}
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template void test_variadic_array_subscripting(id arg1, NSMutableArray* arg2, id arg3);
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@class Key;
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template<typename Index, typename ...Args>
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void test_variadic_dictionary_subscripting(Index I, Args ...args) {
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id arr[] = {args[I]...}; // which means: {a[3], b[3], c[3]};
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}
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template void test_variadic_dictionary_subscripting(Key *key, id arg1, NSMutableDictionary* arg2, id arg3);
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template<int N>
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id get(NSMutableArray *array) {
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return array[N]; // array[N] should be a value- and instantiation-dependent ObjCSubscriptRefExpr
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}
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struct WeirdIndex {
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operator int(); // expected-note {{type conversion function declared here}}
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operator id(); // expected-note {{type conversion function declared here}}
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};
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id FUNC(WeirdIndex w) {
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NSMutableArray *array;
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return array[w]; // expected-error {{indexing expression is invalid because subscript type 'WeirdIndex' has multiple type conversion functions}}
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}
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