Files
swift-mirror/test/embedded/concurrency-currenttask.swift
2025-08-01 15:04:32 +01:00

42 lines
1.0 KiB
Swift

// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -enable-experimental-feature Embedded -parse-as-library %s -c -o %t/a.o
// RUN: %target-clang %t/a.o -o %t/a.out -L%swift_obj_root/lib/swift/embedded/%module-target-triple %target-clang-resource-dir-opt -lswift_Concurrency %target-swift-default-executor-opt -dead_strip
// RUN: %target-run %t/a.out | %FileCheck %s
// REQUIRES: executable_test
// REQUIRES: swift_in_compiler
// REQUIRES: optimized_stdlib
// REQUIRES: OS=macosx || OS=wasip1
// REQUIRES: swift_feature_Embedded
import _Concurrency
func printCurrentTaskNilOrNonNil() {
withUnsafeCurrentTask { task in
print(task == nil ? "nil" : "valid")
}
}
public func test() async -> Int {
printCurrentTaskNilOrNonNil()
return 42
}
@main
struct Main {
static func main() async {
print("main")
// CHECK: main
printCurrentTaskNilOrNonNil()
let t = Task {
let x = await test()
print(x == 42 ? "42" : "???")
}
await t.value
// CHECK-NEXT: valid
// CHECK-NEXT: valid
// CHECK-NEXT: 42
}
}