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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -disable-availability-checking -emit-sil -o /dev/null -verify -import-objc-header %S/Inputs/Delegate.h -enable-experimental-feature SendableCompletionHandlers %s
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -disable-availability-checking -emit-sil -o /dev/null -verify -import-objc-header %S/Inputs/Delegate.h -enable-experimental-feature SendableCompletionHandlers %s -strict-concurrency=targeted
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -disable-availability-checking -emit-sil -o /dev/null -verify -import-objc-header %S/Inputs/Delegate.h -enable-experimental-feature SendableCompletionHandlers %s -strict-concurrency=complete
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -disable-availability-checking -emit-sil -o /dev/null -verify -import-objc-header %S/Inputs/Delegate.h -enable-experimental-feature SendableCompletionHandlers %s -strict-concurrency=complete -enable-upcoming-feature RegionBasedIsolation
// REQUIRES: concurrency
// REQUIRES: objc_interop
// REQUIRES: asserts
// overload resolution should pick sync version in a sync context
func syncContext() {
let r = Request()
let d = Delegate()
// https://github.com/apple/swift/issues/56157
// This use to trigger an overload resolution error.
d.makeRequest1(r)
d.makeRequest2(r)
d.makeRequest3(r)
}
// overload resolution should pick async version in an async context
func asyncNoAwait() async {
let r = Request()
let d = Delegate()
d.makeRequest1(r) // expected-error@:3 {{expression is 'async' but is not marked with 'await'}} expected-note {{call is 'async'}}
d.makeRequest2(r) // expected-error@:3 {{expression is 'async' but is not marked with 'await'}} expected-note {{call is 'async'}}
d.makeRequest3(r) // expected-error@:3 {{expression is 'async' but is not marked with 'await'}} expected-note {{call is 'async'}}
}
func asyncWithAwait() async {
let r = Request()
let d = Delegate()
await d.makeRequest1(r)
await d.makeRequest2(r)
await d.makeRequest3(r)
}
// rdar://88703266 - Swift 5 mode should warn, not error, if an imported
// completion handler's implicit `@Sendable` isn't respected.
extension Delegate {
nonisolated func makeRequest(_ req: Request??, completionHandler: (() -> Void)? = nil) {
// expected-note@-1 {{parameter 'completionHandler' is implicitly non-sendable}}
if let req = (req ?? nil) {
makeRequest1(req, completionHandler: completionHandler)
// expected-warning@-1 {{passing non-sendable parameter 'completionHandler' to function expecting a @Sendable closure}}
}
}
}
@MainActor class C {
func finish() { }
// expected-note@-1 {{calls to instance method 'finish()' from outside of its actor context are implicitly asynchronous}}
func handle(_ req: Request, with delegate: Delegate) {
delegate.makeRequest1(req) {
self.finish()
// expected-warning@-1 {{call to main actor-isolated instance method 'finish()' in a synchronous nonisolated context; this is an error in the Swift 6 language mode}}
}
}
}
// rdar://95887113 - Implementing an ObjC category method in Swift is not strictly valid, but should be tolerated
extension Delegate {
@objc public func makeRequest(fromSwift: Request, completionHandler: (() -> Void)?) {}
}
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