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/*
* Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.coroutines.jdk9
import kotlinx.coroutines.*
import kotlinx.coroutines.flow.*
import org.junit.Test
import java.util.concurrent.Flow as JFlow
import kotlin.test.*
class FlowAsPublisherTest : TestBase() {
@Test
fun testErrorOnCancellationIsReported() {
expect(1)
flow<Int> {
try {
emit(2)
} finally {
expect(3)
throw TestException()
}
}.asPublisher().subscribe(object : JFlow.Subscriber<Int> {
private lateinit var subscription: JFlow.Subscription
override fun onComplete() {
expectUnreached()
}
override fun onSubscribe(s: JFlow.Subscription?) {
subscription = s!!
subscription.request(2)
}
override fun onNext(t: Int) {
expect(t)
subscription.cancel()
}
override fun onError(t: Throwable?) {
assertTrue(t is TestException)
expect(4)
}
})
finish(5)
}
@Test
fun testCancellationIsNotReported() {
expect(1)
flow<Int> {
emit(2)
}.asPublisher().subscribe(object : JFlow.Subscriber<Int> {
private lateinit var subscription: JFlow.Subscription
override fun onComplete() {
expect(3)
}
override fun onSubscribe(s: JFlow.Subscription?) {
subscription = s!!
subscription.request(2)
}
override fun onNext(t: Int) {
expect(t)
subscription.cancel()
}
override fun onError(t: Throwable?) {
expectUnreached()
}
})
finish(4)
}
}
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