1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 3 @interface MyClass1 @end 4 5 @protocol p1,p2,p3; // expected-note {{protocol 'p1' has no definition}} \ 6 // expected-note {{protocol 'p2' has no definition}} 7 8 @interface MyClass1 (Category1) <p1> // expected-warning {{cannot find protocol definition for 'p1'}} expected-note {{previous definition is here}} 9 @end 10 11 @interface MyClass1 (Category1) // expected-warning {{duplicate definition of category 'Category1' on interface 'MyClass1'}} 12 @end 13 14 @interface MyClass1 (Category3) 15 @end 16 17 @interface MyClass1 (Category4) @end // expected-note {{previous definition is here}} 18 @interface MyClass1 (Category5) @end 19 @interface MyClass1 (Category6) @end 20 @interface MyClass1 (Category7) @end // expected-note {{previous definition is here}} 21 @interface MyClass1 (Category8) @end // expected-note {{previous definition is here}} 22 23 24 @interface MyClass1 (Category4) @end // expected-warning {{duplicate definition of category 'Category4' on interface 'MyClass1'}} 25 @interface MyClass1 (Category7) @end // expected-warning {{duplicate definition of category 'Category7' on interface 'MyClass1'}} 26 @interface MyClass1 (Category8) @end // expected-warning {{duplicate definition of category 'Category8' on interface 'MyClass1'}} 27 28 29 @protocol p3 @end 30 31 @interface MyClass1 (Category) <p2, p3> @end // expected-warning {{cannot find protocol definition for 'p2'}} 32 33 @interface UnknownClass (Category) @end // expected-error {{cannot find interface declaration for 'UnknownClass'}} 34 35 @class MyClass2; // expected-note{{forward declaration of class here}} 36 37 @interface MyClass2 (Category) @end // expected-error {{cannot define category for undefined class 'MyClass2'}} 38 39 @interface XCRemoteComputerManager 40 @end 41 42 @interface XCRemoteComputerManager() 43 @end 44 45 @interface XCRemoteComputerManager() 46 @end 47 48 @interface XCRemoteComputerManager(x) // expected-note {{previous definition is here}} 49 @end 50 51 @interface XCRemoteComputerManager(x) // expected-warning {{duplicate definition of category 'x' on interface 'XCRemoteComputerManager'}} 52 @end 53 54 @implementation XCRemoteComputerManager 55 @end 56 57 @implementation XCRemoteComputerManager(x) // expected-note {{previous definition is here}} 58 @end 59 60 @implementation XCRemoteComputerManager(x) // expected-error {{reimplementation of category 'x' for class 'XCRemoteComputerManager'}} 61 @end 62 63 // <rdar://problem/7249233> 64 65 @protocol MultipleCat_P 66 -(void) im0; // expected-note {{method 'im0' declared here}} 67 @end 68 69 @interface MultipleCat_I @end 70 71 @interface MultipleCat_I() @end 72 73 @interface MultipleCat_I() <MultipleCat_P> @end 74 75 @implementation MultipleCat_I // expected-warning {{method 'im0' in protocol 'MultipleCat_P' not implemented}} 76 @end 77 78 // <rdar://problem/7680391> - Handle nameless categories with no name that refer 79 // to an undefined class 80 @interface RDar7680391 () @end // expected-error{{cannot find interface declaration}} 81 82 // <rdar://problem/8891119> - Handle @synthesize being used in conjunction 83 // with explicitly declared accessor. 84 @interface RDar8891119 { 85 id _name; 86 } 87 @end 88 @interface RDar8891119 () 89 - (id)name; 90 @end 91 @interface RDar8891119 () 92 @property (copy) id name; 93 @end 94 @implementation RDar8891119 95 @synthesize name = _name; 96 @end 97 98 // rdar://10968158 99 @class I; // expected-note {{forward declaration}} 100 @implementation I(cat) // expected-error{{cannot find interface declaration}} 101 @end 102 103 // <rdar://problem/11478173> 104 @interface Unrelated 105 - foo; 106 @end 107 108 @interface Blah (Blarg) // expected-error{{cannot find interface declaration for 'Blah'}} 109 - foo; 110 @end 111