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// RUN: %target-run-simple-swift( -Xfrontend -disable-availability-checking -parse-as-library)
// REQUIRES: executable_test
// REQUIRES: concurrency
// REQUIRES: concurrency_runtime
// REQUIRES: reflection
// UNSUPPORTED: back_deployment_runtime
import _Concurrency
import StdlibUnittest
struct TestError: Error {}
@main struct Main {
static func main() async {
var tests = TestSuite("CheckedContinuation")
if #available(SwiftStdlib 5.1, *) {
#if !os(WASI)
tests.test("trap on double resume non-throwing continuation") {
expectCrashLater()
let task = detach {
let _: Int = await withCheckedContinuation { c in
c.resume(returning: 17)
c.resume(returning: 38)
}
}
await task.get()
}
tests.test("trap on double resume throwing continuation") {
expectCrashLater()
let task = detach {
do {
let _: Int = try await withCheckedThrowingContinuation { c in
c.resume(returning: 17)
c.resume(throwing: TestError())
}
} catch {
}
}
await task.get()
}
#endif
tests.test("test withCheckedThrowingContinuation") {
let task2 = detach {
do {
let x: Int = try await withCheckedThrowingContinuation { c in
c.resume(returning: 17)
}
expectEqual(17, x)
} catch {
}
}
let task = detach {
do {
let x: Int = try await withCheckedThrowingContinuation { c in
c.resume(returning: 17)
}
expectEqual(17, x)
} catch {
}
}
await task.get()
await task2.get()
}
}
await runAllTestsAsync()
}
}
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