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// RUN: %target-run-simple-swift( -plugin-path %swift-plugin-dir -Xfrontend -disable-availability-checking -parse-as-library %import-libdispatch) | %FileCheck %s
// REQUIRES: executable_test
// REQUIRES: concurrency
// REQUIRES: libdispatch
// rdar://76038845
// REQUIRES: concurrency_runtime
// UNSUPPORTED: back_deployment_runtime
// Disable on cooperative executor because it can't dispatch jobs before the end of main function
// UNSUPPORTED: single_threaded_concurrency
// REQUIRES: rdar80824152
import Dispatch
// For sleep
#if canImport(Darwin)
import Darwin
#elseif canImport(Glibc)
import Glibc
#elseif canImport(Android)
import Android
#endif
enum TL {
@TaskLocal
static var number: Int = 0
@TaskLocal
static var other: Int = 0
}
@discardableResult
func printTaskLocal<V>(
_ key: TaskLocal<V>,
_ expected: V? = nil,
file: String = #file, line: UInt = #line
) -> V? {
let value = key.get()
print("\(key) (\(value)) at \(file):\(line)")
if let expected = expected {
assert("\(expected)" == "\(value)",
"Expected [\(expected)] but found: \(value), at \(file):\(line)")
}
return expected
}
// ==== ------------------------------------------------------------------------
func copyTo_sync_noWait() {
print(#function)
let sem = DispatchSemaphore(value: 0)
TL.$number.withValue(1111) {
TL.$number.withValue(2222) {
TL.$other.withValue(9999) {
Task {
printTaskLocal(TL.$number) // CHECK: TaskLocal<Int>(defaultValue: 0) (2222)
printTaskLocal(TL.$other) // CHECK: TaskLocal<Int>(defaultValue: 0) (9999)
TL.$number.withValue(3333) {
printTaskLocal(TL.$number) // CHECK: TaskLocal<Int>(defaultValue: 0) (3333)
printTaskLocal(TL.$other) // CHECK: TaskLocal<Int>(defaultValue: 0) (9999)
sem.signal()
}
}
}
}
}
sem.wait()
}
func copyTo_sync_noValues() {
print(#function)
let sem = DispatchSemaphore(value: 0)
Task {
printTaskLocal(TL.$number) // CHECK: TaskLocal<Int>(defaultValue: 0) (0)
sem.signal()
}
sem.wait()
}
/// Similar to tests in `async_task_locals_copy_to_async_ but without any task involved at the top level.
@main struct Main {
static func main() {
copyTo_sync_noWait()
copyTo_sync_noValues()
}
}
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