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/*
* Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.coroutines.exceptions
import kotlinx.coroutines.*
import kotlinx.coroutines.selects.*
import org.junit.*
import org.junit.rules.*
class StackTraceRecoverySelectTest : TestBase() {
@get:Rule
val name = TestName()
@Test
fun testSelectJoin() = runTest {
expect(1)
val result = runCatching { doSelect() }
expect(3)
verifyStackTrace("select/${name.methodName}", result.exceptionOrNull()!!)
finish(4)
}
private suspend fun doSelect(): Int {
val job = CompletableDeferred(Unit)
return select {
job.onJoin {
yield() // Hide the stackstrace
expect(2)
throw RecoverableTestException()
}
}
}
@Test
fun testSelectCompletedAwait() = runTest {
val deferred = CompletableDeferred<Unit>()
deferred.completeExceptionally(RecoverableTestException())
val result = runCatching { doSelectAwait(deferred) }
verifyStackTrace("select/${name.methodName}", result.exceptionOrNull()!!)
}
private suspend fun doSelectAwait(deferred: Deferred<Unit>): Int {
return select {
deferred.onAwait {
yield() // Hide the stackstrace
42
}
}
}
}
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