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| // RUN: %clang_cc1 -triple x86_64-apple-macosx-10.9 -Wunguarded-availability -fblocks -fsyntax-only -verify %s
__attribute__((objc_root_class))
@interface NSObject
+(instancetype)new;
-(instancetype)init;
@end
@interface MyObject : NSObject
-(instancetype)init __attribute__((unavailable)); // expected-note{{'init' has been explicitly marked unavailable here}}
@end
void usemyobject() {
[MyObject new]; // expected-error{{'new' is unavailable}}
}
@interface MyOtherObject : NSObject
+(instancetype)init __attribute__((unavailable));
+(instancetype)new;
@end
void usemyotherobject() {
[MyOtherObject new]; // no error; new is overrideen.
}
@interface NotGoodOverride : NSObject
+(instancetype)init __attribute__((unavailable));
-(instancetype)new;
+(instancetype)new: (int)x;
@end
void usenotgoodoverride() {
[NotGoodOverride new]; // no error
}
@interface NotNSObject
+(instancetype)new;
-(instancetype)init;
@end
@interface NotMyObject : NotNSObject
-(instancetype)init __attribute__((unavailable));
@end
void usenotmyobject() {
[NotMyObject new]; // no error; this isn't NSObject
}
@interface FromSelf : NSObject
-(instancetype)init __attribute__((unavailable));
+(FromSelf*)another_one;
@end
@implementation FromSelf
+(FromSelf*)another_one {
[self new];
}
@end
@interface NoInit : NSObject
-(instancetype)init __attribute__((unavailable)); // expected-note {{'init' has been explicitly marked unavailable here}}
@end
@interface NoInitSub : NoInit @end
@implementation NoInitSub
-(void)meth:(Class)c {
[c new]; // No error; unknown interface.
[NoInitSub new]; // expected-error {{'new' is unavailable}}
}
@end
|