delay(SHORT_DELAY_MS);
    }
  }

  public class SmallRunnable extends CheckedRunnable {
    @Override
    protected void realRun() throws Throwable {
      delay(SMALL_DELAY_MS);
    }
  }

  public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
    @Override
    protected void realRun() {
      try {
        delay(SMALL_DELAY_MS);

      delay(SHORT_DELAY_MS);
    }
  }

  public class SmallRunnable extends CheckedRunnable {
    @Override
    protected void realRun() throws Throwable {
      delay(SMALL_DELAY_MS);
    }
  }

  public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
    @Override
    protected void realRun() {
      try {
        delay(SMALL_DELAY_MS);

  public void testCompareAndSetInMultipleThreads() throws InterruptedException {
    final AtomicDoubleArray a = new AtomicDoubleArray(1);
    a.set(0, 1.0);
    Thread t =
        newStartedThread(
            new CheckedRunnable() {
              @Override
              public void realRun() {
                while (!a.compareAndSet(0, 2.0, 3.0)) {
                  Thread.yield();
                }
              }
            });

  public void testCompareAndSetInMultipleThreads() throws InterruptedException {
    final AtomicDoubleArray a = new AtomicDoubleArray(1);
    a.set(0, 1.0);
    Thread t =
        newStartedThread(
            new CheckedRunnable() {
              @Override
              public void realRun() {
                while (!a.compareAndSet(0, 2.0, 3.0)) {
                  Thread.yield();
                }
              }
            });

  public void testCompareAndSetInMultipleThreads() throws Exception {
    final AtomicDouble at = new AtomicDouble(1.0);
    Thread t =
        newStartedThread(
            new CheckedRunnable() {
              @Override
              public void realRun() {
                while (!at.compareAndSet(2.0, 3.0)) {
                  Thread.yield();
                }
              }
            });

  public void testCompareAndSetInMultipleThreads() throws Exception {
    final AtomicDouble at = new AtomicDouble(1.0);
    Thread t =
        newStartedThread(
            new CheckedRunnable() {
              @Override
              public void realRun() {
                while (!at.compareAndSet(2.0, 3.0)) {
                  Thread.yield();
                }
              }
            });