| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s |
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| 2 | //rdar: //8591619 |
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| 3 | // pr8453 |
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| 4 | |
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| 5 | @protocol NSCopying @end |
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| 6 | @protocol NSPROTO @end |
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| 7 | @protocol NSPROTO1 @end |
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| 8 | @protocol NSPROTO2 @end |
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| 9 | |
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| 10 | @interface NSObject <NSCopying, NSPROTO, NSPROTO1> { |
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| 11 | Class isa; |
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| 12 | } |
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| 13 | @end |
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| 14 | |
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| 15 | void gorf(NSObject <NSCopying> *); // expected-note {{passing argument to parameter here}} |
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| 16 | |
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| 17 | NSObject <NSCopying> *foo(id <NSCopying> bar, id id_obj) |
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| 18 | { |
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| 19 | NSObject <NSCopying> *Init = bar; // expected-warning {{initializing 'NSObject<NSCopying> *' with an expression of incompatible type 'id<NSCopying>'}} |
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| 20 | NSObject *Init1 = bar; // expected-warning {{initializing 'NSObject *' with an expression of incompatible type 'id<NSCopying>'}} |
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| 21 | |
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| 22 | NSObject <NSCopying> *I = id_obj; |
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| 23 | NSObject *I1 = id_obj; |
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| 24 | gorf(bar); // expected-warning {{passing 'id<NSCopying>' to parameter of incompatible type 'NSObject<NSCopying> *'}} |
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| 25 | |
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| 26 | gorf(id_obj); |
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| 27 | |
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| 28 | return bar; // expected-warning {{returning 'id<NSCopying>' from a function with incompatible result type 'NSObject<NSCopying> *'}} |
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| 29 | } |
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| 30 | |
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| 31 | void test(id <NSCopying, NSPROTO, NSPROTO2> bar) |
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| 32 | { |
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| 33 | NSObject <NSCopying> *Init = bar; // expected-warning {{initializing 'NSObject<NSCopying> *' with an expression of incompatible type 'id<NSCopying,NSPROTO,NSPROTO2>'}} |
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| 34 | } |
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| 35 | |
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| 36 | // rdar://8843851 |
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| 37 | @interface NSObject (CAT) |
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| 38 | + (struct S*)Meth : (struct S*)arg; |
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| 39 | @end |
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| 40 | |
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| 41 | struct S { |
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| 42 | char *types; |
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| 43 | }; |
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| 44 | |
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| 45 | @interface I |
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| 46 | @end |
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| 47 | |
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| 48 | @implementation I |
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| 49 | - (struct S *)Meth : (struct S*)a { |
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| 50 | return [NSObject Meth : a]; |
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| 51 | } |
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| 52 | @end |
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| 53 | |
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