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// RUN: %target-run-simple-swift( -target %target-swift-5.1-abi-triple %import-libdispatch -parse-as-library) | %FileCheck %s --dump-input=always
// REQUIRES: executable_test
// REQUIRES: concurrency
// REQUIRES: libdispatch
// rdar://76038845
// REQUIRES: concurrency_runtime
// rdar://103606995
// UNSUPPORTED: back_deployment_runtime
import Dispatch
@available(SwiftStdlib 5.1, *)
func test_detach_cancel_taskGroup() async {
print(#function) // CHECK: test_detach_cancel_taskGroup
await withTaskGroup(of: Void.self) { group in
group.cancelAll() // immediately cancel the group
print("group.cancel()") // CHECK: group.cancel()
group.addTask {
// immediately cancelled child task...
await withTaskCancellationHandler {
print("child: operation, was cancelled: \(Task.isCancelled)")
} onCancel: {
print("child: onCancel, was cancelled: \(Task.isCancelled)")
}
}
// CHECK: child: onCancel, was cancelled: true
// CHECK: child: operation, was cancelled: true
}
print("done") // CHECK: done
}
@available(SwiftStdlib 5.1, *)
@main struct Main {
static func main() async {
await test_detach_cancel_taskGroup()
}
}
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