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4ee6ead47e
We were not handling IUO results of @optional protocol methods properly, sometimes forcing the @optional requirement rather than the result of the call. Fixes rdar://problem/37240984.
32 lines
1.5 KiB
Swift
32 lines
1.5 KiB
Swift
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck -verify %s
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// REQUIRES: objc_interop
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import Foundation
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func iuo_error(prop: IUOProperty) {
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let _: Coat? = prop.iuo.optional()
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// expected-error@-1 {{value of optional type '(() -> Coat?)?' not unwrapped; did you mean to use '!' or '?'?}}
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let _: Coat? = prop.iuo.optional()!
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// expected-error@-1 {{cannot invoke 'optional' with no arguments}}
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let _: Coat? = prop.iuo.optional!()
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let _: Coat? = prop.iuo.optional!()!
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let _: Coat? = prop.iuo!.optional()
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// expected-error@-1 {{value of optional type '(() -> Coat?)?' not unwrapped; did you mean to use '!' or '?'?}}
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let _: Coat? = prop.iuo!.optional()!
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// expected-error@-1 {{cannot invoke 'optional' with no arguments}}
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let _: Coat? = prop.iuo!.optional!()
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let _: Coat? = prop.iuo!.optional!()!
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let _: Coat = prop.iuo.optional()
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// expected-error@-1 {{value of optional type '(() -> Coat)?' not unwrapped; did you mean to use '!' or '?'?}}
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let _: Coat = prop.iuo.optional()!
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// expected-error@-1 {{cannot invoke 'optional' with no arguments}}
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let _: Coat = prop.iuo.optional!()
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let _: Coat = prop.iuo.optional!()!
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let _: Coat = prop.iuo!.optional()
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// expected-error@-1 {{value of optional type '(() -> Coat)?' not unwrapped; did you mean to use '!' or '?'?}}
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let _: Coat = prop.iuo!.optional()!
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// expected-error@-1 {{cannot invoke 'optional' with no arguments}}
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let _: Coat = prop.iuo!.optional!()
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let _: Coat = prop.iuo!.optional!()!
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}
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