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43 lines
2.3 KiB
Swift
43 lines
2.3 KiB
Swift
// RUN: %target-typecheck-verify-swift -import-objc-header %S/Inputs/conditional_conformances_objc.h
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// REQUIRES: objc_interop
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protocol Foo {}
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extension ObjC: Foo where ObjectType == ObjC2 {}
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// expected-error@-1{{type 'ObjC<ObjectType>' cannot conditionally conform to protocol 'Foo' because the type uses the Objective-C generics model}}
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protocol Bar {}
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extension ObjC: Bar where ObjectType: Bar {}
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// expected-error@-1{{type 'ObjC<ObjectType>' cannot conditionally conform to protocol 'Bar' because the type uses the Objective-C generics model}}
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extension ObjC {
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struct Struct {
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enum Enum {}
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}
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class Class<T> {}
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}
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extension ObjC.Struct: Foo where ObjectType == ObjC2 {}
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// expected-error@-1{{type 'ObjC<ObjectType>.Struct' cannot conditionally conform to protocol 'Foo' because the type uses the Objective-C generics model}}
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extension ObjC.Struct: Bar where ObjectType: Bar {}
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// expected-error@-1{{type 'ObjC<ObjectType>.Struct' cannot conditionally conform to protocol 'Bar' because the type uses the Objective-C generics model}}
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extension ObjC.Struct.Enum: Foo where ObjectType == ObjC2 {}
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// expected-error@-1{{type 'ObjC<ObjectType>.Struct.Enum' cannot conditionally conform to protocol 'Foo' because the type uses the Objective-C generics model}}
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extension ObjC.Struct.Enum: Bar where ObjectType: Bar {}
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// expected-error@-1{{type 'ObjC<ObjectType>.Struct.Enum' cannot conditionally conform to protocol 'Bar' because the type uses the Objective-C generics model}}
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extension ObjC.Class: Foo where T == ObjC2 {}
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// expected-error@-1{{type 'ObjC<ObjectType>.Class<T>' cannot conditionally conform to protocol 'Foo' because the type uses the Objective-C generics model}}
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extension ObjC.Class: Bar where T: Bar {}
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// expected-error@-1{{type 'ObjC<ObjectType>.Class<T>' cannot conditionally conform to protocol 'Bar' because the type uses the Objective-C generics model}}
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@objc protocol AtObjCProtocol {}
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class X<T> {}
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extension X: ObjCProtocol where T: Foo {}
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// expected-error@-1{{type 'X<T>' cannot conditionally conform to '@objc' protocol 'ObjCProtocol' because Objective-C does not support conditional conformances}}
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extension X: AtObjCProtocol where T: Foo {}
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// expected-error@-1{{type 'X<T>' cannot conditionally conform to '@objc' protocol 'AtObjCProtocol' because Objective-C does not support conditional conformances}}
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