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package com.sun.grizzly.util;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.CountDownLatch;
import junit.framework.TestCase;
/**
* @author Bongjae Chang
*/
public class SyncThreadPoolTest extends TestCase {
public static void main( String[] args ) {
SyncThreadPoolTest test = new SyncThreadPoolTest();
test.testIncreasingWorkerThreadForInfiniteWait();
}
public void testIncreasingWorkerThreadForInfiniteWait() {
final int corePoolSize = 5;
final int maxPoolSize = 10;
final long keepAliveTime = 30 * 1000; // ms
final long sleep = 100; // ms
final long testTimeout = 5000; // ms
final CountDownLatch latch = new CountDownLatch( maxPoolSize );
ExecutorService executorService = new SyncThreadPool( "GrizzlyWorkerTest",
corePoolSize,
maxPoolSize,
keepAliveTime,
TimeUnit.MILLISECONDS );
final Object[] infiniteWaitArray = new Object[maxPoolSize];
try {
for( int i = 0; i < maxPoolSize; i++ ) {
infiniteWaitArray[i] = new Object();
final Object infinteWait = infiniteWaitArray[i];
executorService.execute( new Runnable() {
public void run() {
latch.countDown();
synchronized( infinteWait ) {
try {
infinteWait.wait();
} catch( InterruptedException e ) {
}
}
}
} );
try {
Thread.sleep( sleep );
} catch( InterruptedException e ) {
}
}
boolean result = false;
try {
result = latch.await( testTimeout, TimeUnit.MILLISECONDS );
} catch( InterruptedException e ) {
}
assertTrue("Counter: " + latch.getCount(), result);
} finally {
for( Object infiniteWait : infiniteWaitArray ) {
synchronized( infiniteWait ) {
infiniteWait.notifyAll();
}
}
executorService.shutdown();
}
}
}