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/*
* Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.coroutines.reactive
import kotlinx.coroutines.*
import org.junit.*
import org.reactivestreams.*
class AwaitTest: TestBase() {
/** Tests that calls to [awaitFirst] (and, thus, to the rest of these functions) throw [CancellationException] and
* unsubscribe from the publisher when their [Job] is cancelled. */
@Test
fun testAwaitCancellation() = runTest {
expect(1)
val publisher = Publisher<Int> { s ->
s.onSubscribe(object: Subscription {
override fun request(n: Long) {
expect(3)
}
override fun cancel() {
expect(5)
}
})
}
val job = launch(start = CoroutineStart.UNDISPATCHED) {
try {
expect(2)
publisher.awaitFirst()
} catch (e: CancellationException) {
expect(6)
throw e
}
}
expect(4)
job.cancelAndJoin()
finish(7)
}
}
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