69 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify %s
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| 
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| #if !__has_feature(objc_class_property)
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| #error does not support class property
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| #endif
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| 
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| @interface Root
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| -(id) alloc;
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| -(id) init;
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| @end
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| 
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| @interface A : Root {
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|   int x;
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|   int z;
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| }
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| @property int x;
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| @property int y;
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| @property int z;
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| @property(readonly) int ro, ro2;
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| @property (class) int c;
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| @property (class) int c2; // expected-note {{property declared here}} \
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|                           // expected-note {{property declared here}}
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| @property (class) int x;
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| @property (class, setter=customSet:) int customSetterProperty;
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| @property (class, getter=customGet) int customGetterProperty;
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| @end
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| 
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| @implementation A // expected-warning {{class property 'c2' requires method 'c2' to be defined}} \
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|                   // expected-warning {{class property 'c2' requires method 'setC2:' to be defined}}
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| @dynamic x; // refers to the instance property
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| @dynamic (class) x; // refers to the class property
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| @synthesize z, c2; // expected-error {{@synthesize not allowed on a class property 'c2'}}
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| @dynamic c; // refers to the class property
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| @dynamic customSetterProperty;
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| @dynamic customGetterProperty;
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| @end
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| 
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| int test() {
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|   A *a = [[A alloc] init];
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|   a.c; // expected-error {{property 'c' is a class property; did you mean to access it with class 'A'}}
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|   return a.x + A.c;
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| }
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| 
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| void customSelectors() {
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|   A.customSetterProperty = 1;
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|   (void)A.customGetterProperty;
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| }
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| 
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| void message_id(id me) {
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|   [me y];
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| }
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| 
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| void message_class(Class me) {
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|   [me c2];
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| }
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| 
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| @interface NSObject
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| @end
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| 
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| @interface MyClass : NSObject
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| @property(class, readonly) int classProp; // expected-note {{property declared here}}
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| @end
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| 
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| @implementation MyClass // expected-warning {{class property 'classProp' requires method 'classProp' to be defined}}
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| - (int)classProp { // Oops, mistakenly made this an instance method.
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|   return 8;
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| }
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| @end
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