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/*
* 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 WithTimeoutOrNullJvmTest : TestBase() {
@Test
fun testOuterTimeoutFiredBeforeInner() = runTest {
val result = withTimeoutOrNull(100) {
Thread.sleep(200) // wait enough for outer timeout to fire
withContext(NonCancellable) { yield() } // give an event loop a chance to run and process that cancellation
withTimeoutOrNull(100) {
yield() // will cancel because of outer timeout
expectUnreached()
}
expectUnreached() // should not be reached, because it is outer timeout
}
// outer timeout results in null
assertEquals(null, result)
}
@Test
fun testIgnoredTimeout() = runTest {
val value = withTimeout(1) {
Thread.sleep(10)
42
}
assertEquals(42, value)
}
@Test
fun testIgnoredTimeoutOnNull() = runTest {
val value = withTimeoutOrNull(1) {
Thread.sleep(10)
42
}
assertEquals(42, value)
}
@Test
fun testIgnoredTimeoutOnNullThrowsCancellation() = runTest {
try {
withTimeoutOrNull(1) {
expect(1)
Thread.sleep(10)
throw CancellationException()
}
expectUnreached()
} catch (e: CancellationException) {
finish(2)
}
}
@Test
fun testIgnoredTimeoutOnNullThrowsOnYield() = runTest {
val value = withTimeoutOrNull(1) {
Thread.sleep(10)
yield()
}
assertNull(value)
}
}
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