llvm-project/clang/test/SemaObjC/nullable-weak-property.m

27 lines
658 B
Objective-C

// RUN: %clang_cc1 -fobjc-arc -fobjc-runtime-has-weak -Wnullable-to-nonnull-conversion %s -verify
// rdar://19985330
@interface NSObject @end
@class NSFoo;
void foo (NSFoo * _Nonnull);
@interface NSBar : NSObject
@property(weak) NSFoo *property1;
@end
#pragma clang assume_nonnull begin
@interface NSBar ()
@property(weak) NSFoo *property2;
@end
#pragma clang assume_nonnull end
@implementation NSBar
- (void) Meth {
foo (self.property1); // no warning because nothing is inferred
foo (self.property2); // expected-warning {{implicit conversion from nullable pointer 'NSFoo * _Nullable' to non-nullable pointer type 'NSFoo * _Nonnull'}}
}
@end