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/*
* Copyright (c) 2022 AtLarge Research
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.opendc.common.util
import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.Assertions.assertFalse
import org.junit.jupiter.api.Assertions.assertTrue
import org.junit.jupiter.api.Assertions.fail
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.assertThrows
import org.opendc.simulator.kotlin.runSimulation
/**
* A test suite for the [TimerScheduler] class.
*/
class TimerSchedulerTest {
@Test
fun testBasicTimer() {
runSimulation {
val scheduler = TimerScheduler<Int>(dispatcher)
scheduler.startSingleTimer(0, 1000) {
assertEquals(1000, timeSource.millis())
}
assertTrue(scheduler.isTimerActive(0))
assertFalse(scheduler.isTimerActive(1))
}
}
@Test
fun testCancelNonExisting() {
runSimulation {
val scheduler = TimerScheduler<Int>(dispatcher)
scheduler.cancel(1)
}
}
@Test
fun testCancelExisting() {
runSimulation {
val scheduler = TimerScheduler<Int>(dispatcher)
scheduler.startSingleTimer(0, 1000) {
fail()
}
scheduler.startSingleTimer(1, 100) {
scheduler.cancel(0)
assertEquals(100, timeSource.millis())
}
}
}
@Test
fun testCancelAll() {
runSimulation {
val scheduler = TimerScheduler<Int>(dispatcher)
scheduler.startSingleTimer(0, 1000) { fail() }
scheduler.startSingleTimer(1, 100) { fail() }
scheduler.cancelAll()
}
}
@Test
fun testOverride() {
runSimulation {
val scheduler = TimerScheduler<Int>(dispatcher)
scheduler.startSingleTimer(0, 1000) { fail() }
scheduler.startSingleTimer(0, 200) {
assertEquals(200, timeSource.millis())
}
}
}
@Test
fun testOverrideBlock() {
runSimulation {
val scheduler = TimerScheduler<Int>(dispatcher)
scheduler.startSingleTimer(0, 1000) { fail() }
scheduler.startSingleTimer(0, 1000) {
assertEquals(1000, timeSource.millis())
}
}
}
@Test
fun testNegativeDelay() {
runSimulation {
val scheduler = TimerScheduler<Int>(dispatcher)
assertThrows<IllegalArgumentException> {
scheduler.startSingleTimer(1, -1) {
fail()
}
}
}
}
}
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