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Coroutines support libraries for Kotlin
/*
* Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.coroutines
import kotlin.test.*
class AsyncJvmTest : TestBase() {
// We have the same test in common module, but the maintainer uses this particular file
// and semi-automatically types cmd+N + AsyncJvm in order to duck-tape any JVM samples/repros,
// please do not remove this test
@Test
fun testAsyncWithFinally() = runTest {
expect(1)
@Suppress("UNREACHABLE_CODE")
val d = async {
expect(3)
try {
yield() // to main, will cancel
} finally {
expect(6) // will go there on await
return@async "Fail" // result will not override cancellation
}
expectUnreached()
"Fail2"
}
expect(2)
yield() // to async
expect(4)
check(d.isActive && !d.isCompleted && !d.isCancelled)
d.cancel()
check(!d.isActive && !d.isCompleted && d.isCancelled)
check(!d.isActive && !d.isCompleted && d.isCancelled)
expect(5)
try {
d.await() // awaits
expectUnreached() // does not complete normally
} catch (e: Throwable) {
expect(7)
check(e is CancellationException)
}
check(!d.isActive && d.isCompleted && d.isCancelled)
finish(8)
}
}