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/*
* Copyright 2018 Allan Wang
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ca.allanwang.kau.kotlin
import org.jetbrains.anko.doAsync
import org.junit.Test
import java.util.Random
import java.util.concurrent.CountDownLatch
import java.util.concurrent.TimeUnit
import kotlin.test.assertTrue
/**
* Created by Allan Wang on 2017-08-06.
*/
class ZipTest {
val debug = false
fun p(text: String) {
if (debug) println(text)
}
@Test
fun basic() {
val start = System.currentTimeMillis()
val latch = CountDownLatch(1)
val rnd = Random()
(0..10).map {
{ callback: ZipCallback<Int> ->
doAsync {
val sleepTime = rnd.nextInt(100) + 200L
p("Task $it will sleep for ${sleepTime}ms")
Thread.sleep(sleepTime)
val finish = System.currentTimeMillis()
p("Task $it finished in ${finish - start}ms at $finish")
callback(it)
}; Unit
}
}.zip(-1) { results ->
val finish = System.currentTimeMillis()
println("Results ${results.contentToString()} received in ${finish - start}ms at $finish")
assertTrue((0..10).toList().toTypedArray().contentEquals(results), "Basic zip results do not match")
assertTrue(finish - start < 1000L, "Basic zip does not seem to be running asynchronously")
latch.countDown()
}
latch.await(1100, TimeUnit.MILLISECONDS)
}
@Test
fun basicAsync() {
val start = System.currentTimeMillis()
val latch = CountDownLatch(1)
val rnd = Random()
(0..10).map {
{
val sleepTime = rnd.nextInt(100) + 200L
p("Task $it will sleep for ${sleepTime}ms")
Thread.sleep(sleepTime)
val finish = System.currentTimeMillis()
p("Task $it finished in ${finish - start}ms at $finish")
}
}.zipAsync {
val finish = System.currentTimeMillis()
println("Results received in ${finish - start}ms at $finish")
assertTrue(finish - start < 1000L, "BasicAsync does not seem to be wrapping the tasks asynchronously")
latch.countDown()
}
latch.await(1100, TimeUnit.MILLISECONDS)
}
}
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