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/*
* Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
@file:Suppress("DeferredResultUnused")
package kotlinx.coroutines
import kotlinx.coroutines.channels.*
import org.junit.*
import org.junit.Test
import org.junit.rules.*
import kotlin.test.*
class FailFastOnStartTest : TestBase() {
@Rule
@JvmField
public val timeout: Timeout = Timeout.seconds(5)
@Test
fun testLaunch() = runTest(expected = ::mainException) {
launch(Dispatchers.Main) {}
}
@Test
fun testLaunchLazy() = runTest(expected = ::mainException) {
val job = launch(Dispatchers.Main, start = CoroutineStart.LAZY) { fail() }
job.join()
}
@Test
fun testLaunchUndispatched() = runTest(expected = ::mainException) {
launch(Dispatchers.Main, start = CoroutineStart.UNDISPATCHED) {
yield()
fail()
}
}
@Test
fun testAsync() = runTest(expected = ::mainException) {
async(Dispatchers.Main) {}
}
@Test
fun testAsyncLazy() = runTest(expected = ::mainException) {
val job = async(Dispatchers.Main, start = CoroutineStart.LAZY) { fail() }
job.await()
}
@Test
fun testWithContext() = runTest(expected = ::mainException) {
withContext(Dispatchers.Main) {
fail()
}
}
@Test
fun testProduce() = runTest(expected = ::mainException) {
produce<Int>(Dispatchers.Main) { fail() }
}
@Test
fun testActor() = runTest(expected = ::mainException) {
actor<Int>(Dispatchers.Main) { fail() }
}
@Test
fun testActorLazy() = runTest(expected = ::mainException) {
val actor = actor<Int>(Dispatchers.Main, start = CoroutineStart.LAZY) { fail() }
actor.send(1)
}
private fun mainException(e: Throwable): Boolean {
return e is IllegalStateException && e.message?.contains("Module with the Main dispatcher is missing") ?: false
}
@Test
fun testProduceNonChild() = runTest(expected = ::mainException) {
produce<Int>(Job() + Dispatchers.Main) { fail() }
}
@Test
fun testAsyncNonChild() = runTest(expected = ::mainException) {
async<Int>(Job() + Dispatchers.Main) { fail() }
}
}
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