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/*
* 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>
}
}
}
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