PollMemoryLeak.java

// from gee.cs.oswego.edu/home/jsr166/jsr166

package jsr166tests.jtreg.util.concurrent.BlockingQueue;

/*
 * Written by Doug Lea with assistance from members of JCP JSR-166
 * Expert Group and released to the public domain, as explained at
 * http://creativecommons.org/licenses/publicdomain
 */

/*
 * @test
 * @bug 6236036 6264015
 * @compile PollMemoryLeak.java
 * @run main/othervm -Xmx8m PollMemoryLeak
 * @summary  Checks for OutOfMemoryError when an unbounded
 * number of aborted timed waits occur without a signal.
 */

import java.util.concurrent.*;

public class PollMemoryLeak {
    public static void main(String[] args) throws InterruptedException {
        final BlockingQueue[] qs = {
            new LinkedBlockingQueue(10),
            //new LinkedTransferQueue(),
            new ArrayBlockingQueue(10),
            new SynchronousQueue(),
            new SynchronousQueue(true),
        };
        final long start = System.currentTimeMillis();
        final long end = start + 10 * 1000;
        while (System.currentTimeMillis() < end)
            for (BlockingQueue q : qs)
                q.poll(1, TimeUnit.NANOSECONDS);
    }
}