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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.channels
import kotlinx.coroutines.*
import org.junit.*
class TickerChannelTest : TestBase() {
@Test
fun testFixedDelayChannelBackpressure() = withVirtualTimeSource {
runTest {
val delayChannel = ticker(delayMillis = 1000, initialDelayMillis = 0, mode = TickerMode.FIXED_DELAY)
delayChannel.checkNotEmpty()
delayChannel.checkEmpty()
delay(1500)
delayChannel.checkNotEmpty()
delay(500)
delayChannel.checkEmpty()
delay(520)
delayChannel.checkNotEmpty()
delayChannel.cancel()
}
}
@Test
fun testDelayChannelBackpressure() = withVirtualTimeSource {
runTest {
val delayChannel = ticker(delayMillis = 1000, initialDelayMillis = 0)
delayChannel.checkNotEmpty()
delayChannel.checkEmpty()
delay(1500)
delayChannel.checkNotEmpty()
delay(520)
delayChannel.checkNotEmpty()
delay(500)
delayChannel.checkEmpty()
delay(520)
delayChannel.checkNotEmpty()
delayChannel.cancel()
}
}
@Test
fun testDelayChannelBackpressure2() = withVirtualTimeSource {
runTest {
val delayChannel = ticker(delayMillis = 1000, initialDelayMillis = 0)
delayChannel.checkNotEmpty()
delayChannel.checkEmpty()
delay(2500)
delayChannel.checkNotEmpty()
delay(510)
delayChannel.checkNotEmpty()
delay(510)
delayChannel.checkEmpty()
delay(510)
delayChannel.checkNotEmpty()
delayChannel.cancel()
}
}
}
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