| /* |
| * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license. |
| */ |
| |
| package kotlinx.coroutines |
| |
| import org.junit.* |
| import org.junit.Test |
| import java.util.concurrent.* |
| import kotlin.test.* |
| |
| class UnconfinedConcurrentStressTest : TestBase() { |
| private val threads = 4 |
| private val executor = newFixedThreadPoolContext(threads, "UnconfinedConcurrentStressTest") |
| private val threadLocal = ThreadLocal<Int>() |
| |
| @After |
| fun tearDown() { |
| executor.close() |
| } |
| |
| @Test |
| fun testConcurrent() = runTest { |
| val iterations = 1_000 * stressTestMultiplier |
| val startBarrier = CyclicBarrier(threads + 1) |
| val finishLatch = CountDownLatch(threads) |
| |
| repeat(threads) { id -> |
| launch(executor) { |
| startBarrier.await() |
| repeat(iterations) { |
| threadLocal.set(0) |
| launch(Dispatchers.Unconfined) { |
| assertEquals(0, threadLocal.get()) |
| launch(Dispatchers.Unconfined) { |
| assertEquals(id, threadLocal.get()) |
| } |
| |
| threadLocal.set(id) |
| } |
| } |
| |
| finishLatch.countDown() |
| } |
| } |
| |
| startBarrier.await() |
| finishLatch.await() |
| } |
| } |