| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-runtime-has-weak -fsyntax-only -fobjc-arc -verify -Wno-objc-root-class %s |
| 2 | // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-runtime-has-weak -fsyntax-only -fobjc-weak -verify -Wno-objc-root-class %s |
| 3 | // rdar://9693477 |
| 4 | |
| 5 | __attribute__((objc_arc_weak_reference_unavailable)) |
| 6 | @interface NSOptOut1072 // expected-note {{class is declared here}} |
| 7 | @end |
| 8 | |
| 9 | @interface sub : NSOptOut1072 @end // expected-note 2 {{class is declared here}} |
| 10 | |
| 11 | int main() { |
| 12 | __weak sub *w2; // expected-error {{class is incompatible with __weak references}} |
| 13 | |
| 14 | __weak NSOptOut1072 *ns1; // expected-error {{class is incompatible with __weak references}} |
| 15 | |
| 16 | id obj; |
| 17 | |
| 18 | ns1 = (__weak sub *)obj; // expected-error {{assignment of a weak-unavailable object to a __weak object}} \ |
| 19 | // expected-error {{class is incompatible with __weak references}} \ |
| 20 | // expected-error {{explicit ownership qualifier on cast result has no effect}} |
| 21 | } |
| 22 | |
| 23 | // rdar://9732636 |
| 24 | __attribute__((objc_arc_weak_reference_unavailable)) |
| 25 | @interface NOWEAK |
| 26 | + (id) new; |
| 27 | @end |
| 28 | |
| 29 | NOWEAK * Test1() { |
| 30 | NOWEAK * strong1 = [NOWEAK new]; |
| 31 | __weak id weak1; |
| 32 | weak1 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}} |
| 33 | |
| 34 | __weak id weak2 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}} |
| 35 | return (__weak id)strong1; // expected-error {{cast of weak-unavailable object of type 'NOWEAK *' to a __weak object of type '__weak id'}} \ |
| 36 | // expected-error {{explicit ownership qualifier on cast result has no effect}} |
| 37 | } |
| 38 | |
| 39 | @protocol P @end |
| 40 | @protocol P1 @end |
| 41 | |
| 42 | NOWEAK<P, P1> * Test2() { |
| 43 | NOWEAK<P, P1> * strong1 = 0; |
| 44 | __weak id<P> weak1; |
| 45 | weak1 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}} |
| 46 | |
| 47 | __weak id<P> weak2 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}} |
| 48 | return (__weak id<P>)strong1; // expected-error {{cast of weak-unavailable object of type 'NOWEAK<P,P1> *' to a __weak object of type '__weak id<P>'}} \ |
| 49 | // expected-error {{explicit ownership qualifier on cast result has no effect}} |
| 50 | } |
| 51 | |
| 52 | // rdar://10535245 |
| 53 | __attribute__((objc_arc_weak_reference_unavailable)) |
| 54 | @interface NSFont |
| 55 | @end |
| 56 | |
| 57 | @interface I |
| 58 | { |
| 59 | } |
| 60 | @property (weak) NSFont *font; // expected-error {{synthesizing __weak instance variable of type 'NSFont *', which does not support weak references}} |
| 61 | @end |
| 62 | |
| 63 | @implementation I // expected-note {{when implemented by class I}} |
| 64 | @synthesize font = _font; |
| 65 | @end |
| 66 | |
| 67 | // rdar://13676793 |
| 68 | @protocol MyProtocol |
| 69 | @property (weak) NSFont *font; // expected-error {{synthesizing __weak instance variable of type 'NSFont *', which does not support weak references}} |
| 70 | @end |
| 71 | |
| 72 | @interface I1 <MyProtocol> |
| 73 | @end |
| 74 | |
| 75 | @implementation I1 // expected-note {{when implemented by class I1}} |
| 76 | @synthesize font = _font; |
| 77 | @end |
| 78 | |
| 79 | @interface Super |
| 80 | @property (weak) NSFont *font; // expected-error {{synthesizing __weak instance variable of type 'NSFont *', which does not support weak references}} |
| 81 | @end |
| 82 | |
| 83 | |
| 84 | @interface I2 : Super |
| 85 | @end |
| 86 | |
| 87 | @implementation I2 // expected-note {{when implemented by class I2}} |
| 88 | @synthesize font = _font; |
| 89 | @end |
| 90 | |
| 91 | __attribute__((objc_arc_weak_reference_unavailable(1))) // expected-error {{'objc_arc_weak_reference_unavailable' attribute takes no arguments}} |
| 92 | @interface I3 |
| 93 | @end |
| 94 | |
| 95 | int I4 __attribute__((objc_arc_weak_reference_unavailable)); // expected-error {{'objc_arc_weak_reference_unavailable' attribute only applies to Objective-C interfaces}} |
| 96 | |