78 lines
1.9 KiB
Text
78 lines
1.9 KiB
Text
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// RUN: %clang_cc1 -fsyntax-only -fblocks -verify -std=c++11 %s
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// rdar://9293227
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@class NSArray;
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void f(NSArray *a) {
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id keys;
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for (int i : a); // expected-error{{selector element type 'int' is not a valid object}}
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for ((id)2 : a); // expected-error {{for range declaration must declare a variable}} \
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// expected-warning {{expression result unused}}
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for (2 : a); // expected-error {{for range declaration must declare a variable}} \
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// expected-warning {{expression result unused}}
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for (id thisKey : keys);
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for (auto thisKey : keys) { } // expected-warning{{'auto' deduced as 'id' in declaration of 'thisKey'}}
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}
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template<typename Collection>
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void ft(Collection col) {
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for (id x : col) { }
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for (auto x : col) { }
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}
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template void ft(NSArray *);
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/* // rdar://9072298 */
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@protocol NSObject @end
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@interface NSObject <NSObject> {
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Class isa;
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}
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@end
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typedef struct {
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unsigned long state;
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id *itemsPtr;
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unsigned long *mutationsPtr;
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unsigned long extra[5];
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} NSFastEnumerationState;
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@protocol NSFastEnumeration
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- (unsigned long)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(unsigned long)len;
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@end
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int main ()
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{
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NSObject<NSFastEnumeration>* collection = 0;
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for (id thing : collection) { }
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id array;
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for (int (^b)(void) : array) {
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if (b() == 10000) {
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return 1;
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}
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}
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return 0;
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}
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/* rdar://problem/11068137 */
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@interface Test2
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@property (assign) id prop;
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@end
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void test2(NSObject<NSFastEnumeration> *collection) {
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Test2 *obj;
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for (obj.prop : collection) { // expected-error {{for range declaration must declare a variable}} \
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// expected-warning {{property access result unused - getters should not be used for side effects}}
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}
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}
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void testErrors(NSArray *array) {
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typedef int fn(int);
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for (fn x in array) { } // expected-error{{non-variable declaration in 'for' loop}}
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}
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