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// RUN: %target-run-simple-swift( -Xfrontend -disable-availability-checking %import-libdispatch -parse-as-library) | %FileCheck %s --dump-input=always
// REQUIRES: executable_test
// REQUIRES: concurrency
// REQUIRES: libdispatch
// rdar://76038845
// REQUIRES: concurrency_runtime
// UNSUPPORTED: back_deployment_runtime
import Dispatch
@available(SwiftStdlib 5.1, *)
func test_skipCallingNext() async {
let numbers = [1, 1]
let result = await withTaskGroup(of: Int.self) { (group) async -> Int in
for n in numbers {
print("group.spawn { \(n) }")
group.spawn { () async -> Int in
await Task.sleep(1_000_000_000)
let c = Task.isCancelled
print(" inside group.spawn { \(n) } (canceled: \(c))")
return n
}
}
// return immediately; the group should wait on the tasks anyway
let c = Task.isCancelled
print("return immediately 0 (canceled: \(c))")
return 0
}
// CHECK: group.spawn { 1 }
// CHECK: group.spawn { 1 }
// CHECK: return immediately 0 (canceled: false)
// CHECK: inside group.spawn { 1 } (canceled: false)
// CHECK: inside group.spawn { 1 } (canceled: false)
// CHECK: result: 0
print("result: \(result)")
assert(result == 0)
}
@available(SwiftStdlib 5.1, *)
@main struct Main {
static func main() async {
await test_skipCallingNext()
}
}
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