package org.simpleframework.util.thread;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import org.simpleframework.util.thread.Scheduler;
import junit.framework.TestCase;
public class SchedulerTest extends TestCase {
private static final int ITERATIONS = 10000;
public void testScheduler() throws Exception {
Scheduler queue = new Scheduler(10);
LinkedBlockingQueue<Timer> list = new LinkedBlockingQueue<Timer>();
for(int i = 0; i < ITERATIONS; i++) {
queue.execute(new Task(list, new Timer(i)), i, TimeUnit.MILLISECONDS);
}
for(Timer timer = list.take(); timer.getValue() < ITERATIONS - 10; timer = list.take()) {
System.err.println("value=["+timer.getValue()+"] delay=["+timer.getDelay()+"] expect=["+timer.getExpectation()+"]");
}
}
public class Timer {
private Integer value;
private long time;
public Timer(Integer value) {
this.time = System.currentTimeMillis();
this.value = value;
}
public Integer getValue() {
return value;
}
public long getDelay() {
return System.currentTimeMillis() - time;
}
public int getExpectation() {
return value.intValue();
}
}
public class Task implements Runnable {
private LinkedBlockingQueue<Timer> queue;
private Timer timer;
public Task(LinkedBlockingQueue<Timer> queue, Timer timer) {
this.queue = queue;
this.timer = timer;
}
public void run() {
queue.offer(timer);
}
}
}