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// RUN: %target-swift-frontend -disable-availability-checking %s -emit-sil -o /dev/null -verify
// RUN: %target-swift-frontend -disable-availability-checking %s -emit-sil -o /dev/null -verify -strict-concurrency=targeted
// RUN: %target-swift-frontend -disable-availability-checking %s -emit-sil -o /dev/null -verify -strict-concurrency=complete
// RUN: %target-swift-frontend -disable-availability-checking %s -emit-sil -o /dev/null -verify -strict-concurrency=complete -enable-upcoming-feature RegionBasedIsolation
// REQUIRES: concurrency
// REQUIRES: swift_feature_RegionBasedIsolation
@available(SwiftStdlib 5.1, *)
func test_taskGroup_cancelAll() async {
await withTaskGroup(of: Int.self, returning: Void.self) { group in // expected-note {{parameter 'group' is declared 'inout'}}
group.spawn {
await Task.sleep(3_000_000_000)
let c = Task.isCancelled
print("group task isCancelled: \(c)")
return 0
}
group.spawn { // expected-error {{escaping closure captures 'inout' parameter 'group'}}
group.cancelAll() //expected-warning{{capture of 'group' with non-sendable type 'TaskGroup<Int>' in a '@Sendable' closure}}
//expected-warning@-1{{mutable capture of 'inout' parameter 'group' is not allowed in concurrently-executing code; this is an error in the Swift 6 language mode}}
// expected-note@-2 {{captured here}}
return 0
}
group.spawn { [group] in
group.cancelAll() //expected-warning{{capture of 'group' with non-sendable type 'TaskGroup<Int>' in a '@Sendable' closure}}
return 0
}
_ = await group.next()
}
print("done")
}
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