| /* |
| * Copyright 2016-2017 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package kotlinx.coroutines.experimental.quasar |
| |
| import co.paralleluniverse.fibers.* |
| import co.paralleluniverse.strands.* |
| import co.paralleluniverse.strands.dataflow.* |
| import kotlinx.coroutines.experimental.* |
| import org.junit.* |
| import java.util.concurrent.* |
| import kotlin.coroutines.experimental.* |
| |
| class QuasarTest : TestBase() { |
| @Before |
| fun setup() { |
| ignoreLostThreads( |
| "FiberTimedScheduler-default-fiber-pool", |
| "ForkJoinPool-default-fiber-pool-worker-", |
| "Timer-") |
| } |
| |
| @Test |
| fun testRunSuspendable() = runBlocking<Unit> { |
| expect(1) |
| val started = CompletableDeferred<Unit>() // Kotlin's event |
| val x = Val<String>() // Quasar's data flow |
| launch(coroutineContext) { |
| started.await() // await Quasar's scheduler |
| expect(3) // will get scheduled when runSuspendable suspends |
| x.set("OK") |
| } |
| val result = runSuspendable(SuspendableCallable { |
| expect(2) |
| started.complete(Unit) // signal that we've started |
| x.get(10, TimeUnit.SECONDS) // will get suspended |
| }) |
| finish(4) |
| check(result == "OK") |
| } |
| |
| @Test |
| fun testRunFiberBlocking() = runBlocking { |
| expect(1) |
| val started = CompletableDeferred<Unit>() // Kotlin's event |
| val result = CompletableDeferred<String>() // result goes here |
| val fiber = object : Fiber<String>() { |
| @Throws(SuspendExecution::class) |
| override fun run(): String { |
| expect(3) |
| started.complete(Unit) // signal that fiber is started |
| // block fiber on suspendable await |
| val value = runFiberBlocking { |
| result.await() |
| } |
| expect(5) |
| return value |
| } |
| } |
| fiber.start() |
| expect(2) |
| started.await() // wait fiber to start |
| expect(4) |
| result.complete("OK") // send Ok to fiber |
| val answer = runSuspendable(SuspendableCallable { |
| fiber.get() |
| }) |
| finish(6) |
| check(answer == "OK") |
| } |
| } |