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Diffstat (limited to 'test/SemaObjCXX/foreach.mm')
-rw-r--r-- | test/SemaObjCXX/foreach.mm | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/test/SemaObjCXX/foreach.mm b/test/SemaObjCXX/foreach.mm new file mode 100644 index 0000000..3c4b908 --- /dev/null +++ b/test/SemaObjCXX/foreach.mm @@ -0,0 +1,61 @@ +// RUN: %clang_cc1 -fsyntax-only -fblocks -verify -std=c++11 %s +// rdar://9293227 + +@class NSArray; + +void f(NSArray *a) { + id keys; + for (int i : a); // expected-error{{selector element type 'int' is not a valid object}} + for ((id)2 : a); // expected-error {{for range declaration must declare a variable}} \ + // expected-warning {{expression result unused}} + for (2 : a); // expected-error {{for range declaration must declare a variable}} \ + // expected-warning {{expression result unused}} + + for (id thisKey : keys); +} + +/* // rdar://9072298 */ +@protocol NSObject @end + +@interface NSObject <NSObject> { + Class isa; +} +@end + +typedef struct { + unsigned long state; + id *itemsPtr; + unsigned long *mutationsPtr; + unsigned long extra[5]; +} NSFastEnumerationState; + +@protocol NSFastEnumeration + +- (unsigned long)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(unsigned long)len; + +@end + +int main () +{ + NSObject<NSFastEnumeration>* collection = 0; + for (id thing : collection) { } + + id array; + for (int (^b)(void) : array) { + if (b() == 10000) { + return 1; + } + } + return 0; +} + +/* rdar://problem/11068137 */ +@interface Test2 +@property (assign) id prop; +@end +void test2(NSObject<NSFastEnumeration> *collection) { + Test2 *obj; + for (obj.prop : collection) { // expected-error {{for range declaration must declare a variable}} \ + // expected-warning {{property access result unused - getters should not be used for side effects}} + } +} |