| /* |
| * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license. |
| */ |
| |
| package kotlinx.coroutines |
| |
| |
| import com.esotericsoftware.kryo.* |
| import com.esotericsoftware.kryo.io.* |
| import kotlinx.atomicfu.* |
| import org.junit.Test |
| import org.objenesis.strategy.* |
| import java.io.* |
| import kotlin.coroutines.* |
| import kotlin.coroutines.intrinsics.* |
| import kotlin.reflect.* |
| import kotlin.test.* |
| |
| @Ignore |
| class ContinuationSerializationTest : TestBase() { |
| |
| companion object { |
| @JvmStatic |
| var flag = false |
| } |
| |
| // private val atomicInt = atomic(1) |
| |
| private val kryo = |
| Kryo().also { it.instantiatorStrategy = Kryo.DefaultInstantiatorStrategy(StdInstantiatorStrategy()) } |
| |
| private var storage: ByteArrayOutputStream = ByteArrayOutputStream() |
| |
| @Test |
| fun testSafeContinuationSerDe() = testSerization(::serialize, { |
| it.javaClass.getDeclaredField("result").apply { |
| isAccessible = true |
| set(it, COROUTINE_SUSPENDED) |
| } |
| }) |
| |
| @Test |
| fun testUnsafeContinuationSerDe() = testSerization(::serializeUnsafe, {}) |
| |
| // @Test |
| // fun testCancellableContinuationSerDe() = testSerization(::serializeCancellable, { |
| // it.javaClass.superclass.getDeclaredField("_decision").apply { |
| // isAccessible = true |
| // set(it, atomicInt) |
| // } |
| // }) |
| |
| private suspend fun serialize() = suspendCoroutine<Unit> { cont -> |
| Output(storage).use { |
| kryo.writeClassAndObject(it, cont) |
| } |
| } |
| |
| private suspend fun serializeCancellable() = suspendCancellableCoroutine<Unit> { cont -> |
| Output(storage).use { |
| kryo.writeClassAndObject(it, cont) |
| } |
| } |
| |
| private suspend fun serializeUnsafe() = suspendCoroutineUninterceptedOrReturn<Unit> { cont -> |
| Output(storage).use { |
| kryo.writeClassAndObject(it, cont) |
| } |
| } |
| |
| private fun testSerization(serialize: KSuspendFunction0<Unit>, patcher: (Continuation<Unit>) -> Unit) = |
| runBlocking { |
| launch(Unconfined) { |
| expect(1) |
| serialize() |
| flag = true |
| } |
| |
| val cont = deserialise() |
| patcher(cont) |
| expect(2) |
| cont.resume(Unit) |
| finish(3) |
| assertTrue(flag) |
| } |
| |
| @Suppress("UNCHECKED_CAST") |
| private fun deserialise(): Continuation<Unit> { |
| val input = Input(ByteArrayInputStream(storage.toByteArray())) |
| input.use { |
| return kryo.readClassAndObject(it) as Continuation<Unit> |
| } |
| } |
| } |