| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | #if !__has_feature(objc_class_property) |
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| 4 | #error does not support class property |
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| 5 | #endif |
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| 6 | |
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| 7 | @interface Root |
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| 8 | -(id) alloc; |
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| 9 | -(id) init; |
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| 10 | @end |
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| 11 | |
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| 12 | @interface A : Root { |
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| 13 | int x; |
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| 14 | int z; |
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| 15 | } |
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| 16 | @property int x; |
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| 17 | @property int y; |
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| 18 | @property int z; |
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| 19 | @property(readonly) int ro, ro2; |
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| 20 | @property (class) int c; |
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| 21 | @property (class) int c2; // expected-note {{property declared here}} \ |
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| 22 | // expected-note {{property declared here}} |
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| 23 | @property (class) int x; |
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| 24 | @property (class, setter=customSet:) int customSetterProperty; |
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| 25 | @property (class, getter=customGet) int customGetterProperty; |
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| 26 | @end |
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| 27 | |
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| 28 | @implementation A // expected-warning {{class property 'c2' requires method 'c2' to be defined}} \ |
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| 29 | // expected-warning {{class property 'c2' requires method 'setC2:' to be defined}} |
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| 30 | @dynamic x; // refers to the instance property |
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| 31 | @dynamic (class) x; // refers to the class property |
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| 32 | @synthesize z, c2; // expected-error {{@synthesize not allowed on a class property 'c2'}} |
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| 33 | @dynamic c; // refers to the class property |
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| 34 | @dynamic customSetterProperty; |
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| 35 | @dynamic customGetterProperty; |
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| 36 | @end |
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| 37 | |
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| 38 | int test() { |
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| 39 | A *a = [[A alloc] init]; |
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| 40 | a.c; // expected-error {{property 'c' is a class property; did you mean to access it with class 'A'}} |
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| 41 | return a.x + A.c; |
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| 42 | } |
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| 43 | |
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| 44 | void customSelectors() { |
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| 45 | A.customSetterProperty = 1; |
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| 46 | (void)A.customGetterProperty; |
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| 47 | } |
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| 48 | |
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| 49 | void message_id(id me) { |
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| 50 | [me y]; |
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| 51 | } |
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| 52 | |
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| 53 | void message_class(Class me) { |
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| 54 | [me c2]; |
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| 55 | } |
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| 56 | |
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| 57 | @interface NSObject |
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| 58 | @end |
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| 59 | |
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| 60 | @interface MyClass : NSObject |
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| 61 | @property(class, readonly) int classProp; // expected-note {{property declared here}} |
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| 62 | @end |
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| 63 | |
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| 64 | @implementation MyClass // expected-warning {{class property 'classProp' requires method 'classProp' to be defined}} |
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| 65 | - (int)classProp { // Oops, mistakenly made this an instance method. |
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| 66 | return 8; |
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| 67 | } |
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| 68 | @end |
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| 69 | |
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