}

  /**
   * The builder class used in creation of min-max priority queues. Instead of constructing one
   * directly, use {@link MinMaxPriorityQueue#orderedBy(Comparator)}, {@link
   * MinMaxPriorityQueue#expectedSize(int)} or {@link MinMaxPriorityQueue#maximumSize(int)}.
   *
   * @param <B> the upper bound on the eventual type that can be produced by this builder (for

  }

  public void testIsEvenLevel() {
    assertTrue(MinMaxPriorityQueue.isEvenLevel(0));
    assertFalse(MinMaxPriorityQueue.isEvenLevel(1));
    assertFalse(MinMaxPriorityQueue.isEvenLevel(2));
    assertTrue(MinMaxPriorityQueue.isEvenLevel(3));

    assertFalse(MinMaxPriorityQueue.isEvenLevel((1 << 10) - 2));
    assertTrue(MinMaxPriorityQueue.isEvenLevel((1 << 10) - 1));

    int i = 1 << 29;

  }

  public void testIsEvenLevel() {
    assertTrue(MinMaxPriorityQueue.isEvenLevel(0));
    assertFalse(MinMaxPriorityQueue.isEvenLevel(1));
    assertFalse(MinMaxPriorityQueue.isEvenLevel(2));
    assertTrue(MinMaxPriorityQueue.isEvenLevel(3));

    assertFalse(MinMaxPriorityQueue.isEvenLevel((1 << 10) - 2));
    assertTrue(MinMaxPriorityQueue.isEvenLevel((1 << 10) - 1));

    int i = 1 << 29;

   *
   * <p>It is imperative that the user manually synchronize on the returned queue when accessing the
   * queue's iterator:
   *
   * <pre>{@code
   * Queue<E> queue = Queues.synchronizedQueue(MinMaxPriorityQueue.<E>create());
   * ...
   * queue.add(element);  // Needn't be in synchronized block
   * ...
   * synchronized (queue) {  // Must synchronize on queue!