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// RUN: %clang_cc1 -x objective-c -fsyntax-only -verify -Wno-objc-root-class %s
// RUN: %clang_cc1 -x objective-c++ -fsyntax-only -verify -Wno-objc-root-class %s
#if __has_attribute(objc_requires_property_definitions)
__attribute ((objc_requires_property_definitions))
#endif
@interface NoAuto // expected-note 2 {{class with specified objc_requires_property_definitions attribute is declared here}}
@property int NoAutoProp; // expected-note 2 {{property declared here}}
@end
@implementation NoAuto // expected-warning {{property 'NoAutoProp' requires method 'NoAutoProp' to be defined}} \
// expected-warning {{property 'NoAutoProp' requires method 'setNoAutoProp:'}}
@end
__attribute ((objc_requires_property_definitions)) // redundant, just for testing
@interface Sub : NoAuto // expected-note 3 {{class with specified objc_requires_property_definitions attribute is declared here}}
@property (copy) id SubProperty; // expected-note 2 {{property declared here}}
@end
@implementation Sub // expected-warning {{property 'SubProperty' requires method 'SubProperty' to be defined}} \
// expected-warning {{property 'SubProperty' requires method 'setSubProperty:' to be defined}}
@end
@interface Deep : Sub
@property (copy) id DeepProperty;
@property (copy) id DeepSynthProperty;
@property (copy) id DeepMustSynthProperty; // expected-note {{property declared here}}
@end
@implementation Deep // expected-warning {{property 'DeepMustSynthProperty' requires method 'setDeepMustSynthProperty:' to be defined}}
@dynamic DeepProperty;
@synthesize DeepSynthProperty;
- (id) DeepMustSynthProperty { return 0; }
@end
__attribute ((objc_requires_property_definitions))
@interface Deep(CAT) // expected-error {{attributes may not be specified on a category}}
@end
__attribute ((objc_requires_property_definitions)) // expected-error {{objc_requires_property_definitions attribute may only be specified on a class}}
@protocol P @end
// rdar://13388503
@interface NSObject @end
@protocol Foo
@property (readonly) char isFoo; // expected-note {{property declared here}}
@property (readonly) char isNotFree;
@end
@interface Bar : NSObject <Foo>
@end
@implementation Bar
- (char)isFoo {
return 0;
}
- (char)isNotFree {
return 0;
}
@end
@interface Baz : Bar
@end
@interface Baz ()
@property (readwrite) char isFoo; // expected-warning {{auto property synthesis will not synthesize property 'isFoo' because it is 'readwrite' but it will be synthesized 'readonly' via another property}}
@property char Property1; // expected-warning {{auto property synthesis will not synthesize property 'Property1' because it cannot share an ivar with another synthesized property}}
@property char Property2;
@property (readwrite) char isNotFree;
@end
@implementation Baz {
char _isFoo;
char _isNotFree;
}
@synthesize Property2 = Property1; // expected-note {{property synthesized here}}
- (void) setIsNotFree : (char)Arg {
_isNotFree = Arg;
}
@end
// More test where such warnings should not be issued.
@protocol MyProtocol
-(void)setProp1:(id)x;
@end
@protocol P1 <MyProtocol>
@end
@interface B
@property (readonly) id prop;
@property (readonly) id prop1;
@property (readonly) id prop2;
@end
@interface B()
-(void)setProp:(id)x;
@end
@interface B(cat)
@property (readwrite) id prop2;
@end
@interface S : B<P1>
@property (assign,readwrite) id prop;
@property (assign,readwrite) id prop1;
@property (assign,readwrite) id prop2;
@end
@implementation S
@end
// rdar://14085456
// No warning must be issued in this test.
@interface ParentObject
@end
@protocol TestObject
@property (readonly) int six;
@end
@interface TestObject : ParentObject <TestObject>
@property int six;
@end
@implementation TestObject
@synthesize six;
@end
// rdar://14094682
// no warning in this test
@interface ISAChallenge : NSObject {
}
@property (assign, readonly) int failureCount;
@end
@interface ISSAChallenge : ISAChallenge {
int _failureCount;
}
@property (assign, readwrite) int failureCount;
@end
@implementation ISAChallenge
- (int)failureCount {
return 0;
}
@end
@implementation ISSAChallenge
@synthesize failureCount = _failureCount;
@end
__attribute ((objc_requires_property_definitions(1))) // expected-error {{'objc_requires_property_definitions' attribute takes no arguments}}
@interface I1
@end
// rdar://15051465
@protocol SubFooling
@property(nonatomic, readonly) id hoho; // expected-note 2 {{property declared here}}
@end
@protocol Fooing<SubFooling>
@property(nonatomic, readonly) id muahahaha; // expected-note 2 {{property declared here}}
@end
typedef NSObject<Fooing> FooObject;
@interface Okay : NSObject<Fooing>
@end
@implementation Okay // expected-warning 2 {{auto property synthesis will not synthesize property declared in a protocol}}
@end
@interface Fail : FooObject
@end
@implementation Fail // expected-warning 2 {{auto property synthesis will not synthesize property declared in a protocol}}
@end
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