// RUN: %clang_cc1 -x objective-c -fsyntax-only -fobjc-default-synthesize-properties -verify -Wno-objc-root-class %s // RUN: %clang_cc1 -x objective-c++ -fsyntax-only -fobjc-default-synthesize-properties -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