1 // RUN: %clang_cc1 -fsyntax-only -fblocks -verify -std=c++11 %s 2 // rdar://9293227 3 4 @class NSArray; 5 6 void f(NSArray *a) { 7 id keys; 8 for (int i : a); // expected-error{{selector element type 'int' is not a valid object}} 9 for ((id)2 : a); // expected-error {{for range declaration must declare a variable}} \ 10 // expected-warning {{expression result unused}} 11 for (2 : a); // expected-error {{for range declaration must declare a variable}} \ 12 // expected-warning {{expression result unused}} 13 14 for (id thisKey : keys); 15 } 16 17 /* // rdar://9072298 */ 18 @protocol NSObject @end 19 20 @interface NSObject <NSObject> { 21 Class isa; 22 } 23 @end 24 25 typedef struct { 26 unsigned long state; 27 id *itemsPtr; 28 unsigned long *mutationsPtr; 29 unsigned long extra[5]; 30 } NSFastEnumerationState; 31 32 @protocol NSFastEnumeration 33 34 - (unsigned long)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(unsigned long)len; 35 36 @end 37 38 int main () 39 { 40 NSObject<NSFastEnumeration>* collection = 0; 41 for (id thing : collection) { } 42 43 id array; 44 for (int (^b)(void) : array) { 45 if (b() == 10000) { 46 return 1; 47 } 48 } 49 return 0; 50 } 51 52 /* rdar://problem/11068137 */ 53 @interface Test2 54 @property (assign) id prop; 55 @end 56 void test2(NSObject<NSFastEnumeration> *collection) { 57 Test2 *obj; 58 for (obj.prop : collection) { // expected-error {{for range declaration must declare a variable}} \ 59 // expected-warning {{property access result unused - getters should not be used for side effects}} 60 } 61 } 62
