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3fb77ea447
Swift classes cannot meaningfully conform to NSObjectProtocol. Inheriting from NSObject is the appropriate fix, so suggest that. Fixes rdar://problem/32543753.
20 lines
845 B
Swift
20 lines
845 B
Swift
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck -parse-as-library -swift-version 4 %s -verify
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// REQUIRES: objc_interop
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import Foundation
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class A: NSObjectProtocol { } // expected-error{{cannot declare conformance to 'NSObjectProtocol' in Swift; 'A' should inherit 'NSObject' instead}}{{10-26=NSObject}}
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@objc protocol Other: NSObjectProtocol { }
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class B: Other { } // expected-error{{cannot declare conformance to 'NSObjectProtocol' in Swift; 'B' should inherit 'NSObject' instead}}
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class C { }
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class D: C, NSObjectProtocol { } // expected-error{{cannot declare conformance to 'NSObjectProtocol' in Swift; 'D' should inherit 'NSObject' instead}}
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class E { }
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extension E: NSObjectProtocol { } // expected-error{{cannot declare conformance to 'NSObjectProtocol' in Swift; 'E' should inherit 'NSObject' instead}}
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