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3376d03079
Sendable key path literals are represented as an existential protocol composition with `Sendable` protocol which has to be opened in certain scenarios i.e. to pass it to non-Sendable version.
61 lines
2.1 KiB
Swift
61 lines
2.1 KiB
Swift
// RUN: %target-typecheck-verify-swift -enable-upcoming-feature InferSendableFromCaptures
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// REQUIRES: objc_interop
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// REQUIRES: concurrency
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// REQUIRES: asserts
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// This is a copy of test/expr/primary/keypath/keypath-observe-objc.swift with additional requirements to test sendable key paths
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import Foundation
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class Foo: NSObject {
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var number1 = 1
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dynamic var number2 = 2
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@objc var number3 = 3
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@objc dynamic var number4 = 4
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@objc var number5: Int {
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get { return 5 }
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set {}
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}
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}
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class Bar: NSObject {
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@objc dynamic let foo: Foo
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init(foo: Foo) {
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self.foo = foo
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super.init()
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_ = observe(\.foo.number1, options: [.new]) { _, change in
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// expected-warning@-1 {{passing reference to non-'@objc dynamic' property 'number1' to KVO method 'observe(_:options:changeHandler:)' may lead to unexpected behavior or runtime trap}}
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print("observer1")
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}
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_ = observe(\.foo.number2, options: [.new]) { _, change in
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// expected-warning@-1 {{passing reference to non-'@objc dynamic' property 'number2' to KVO method 'observe(_:options:changeHandler:)' may lead to unexpected behavior or runtime trap}}
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print("observer2")
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}
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_ = observe(\.foo.number3, options: [.new]) { _, change in
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// expected-warning@-1 {{passing reference to non-'@objc dynamic' property 'number3' to KVO method 'observe(_:options:changeHandler:)' may lead to unexpected behavior or runtime trap}}
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print("observer3")
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}
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_ = observe(\.foo.number4, options: [.new]) { _, change in // Okay
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print("observer4")
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}
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_ = observe(\.foo.number5, options: [.new]) { _, change in // Okay
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print("observer4")
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}
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}
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}
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@_semantics("keypath.mustBeValidForKVO")
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func quux<T, V, U>(_ object: T, at keyPath: KeyPath<T, V>, _ keyPath2: KeyPath<T, U>) { }
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// The presence of a valid keypath should not prevent detection of invalid ones
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// later in the argument list, so start with a valid one here.
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quux(Foo(), at: \.number4, \.number1)
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// expected-warning@-1 {{passing reference to non-'@objc dynamic' property 'number1' to KVO method 'quux(_:at:_:)' may lead to unexpected behavior or runtime trap}}
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