assertEquals(0L, map.get(key));
    assertFalse(map.containsKey(key));

    assertEquals(-1L, map.decrementAndGet(key));
    assertEquals(-1L, map.get(key));

    assertEquals(0L, map.incrementAndGet(key));
    assertEquals(0L, map.get(key));
    assertTrue(map.containsKey(key));

    assertEquals(-1L, map.decrementAndGet(key));
    assertEquals(-1L, map.get(key));
  }

  public void testGetAndDecrement() {

            count = new AtomicInteger(1);
        }

        public int increment() {
            return count.incrementAndGet();
        }

        public int decrement() {
            return count.decrementAndGet();
        }
    }

    public enum StatsAction {
        ACCESSED, //
        ACCESS_EXCEPTION, //
        CHILD_URL, //
        CHILD_URLS, //
        EVALUATED, //
        EXCEPTION, //

    return addAndGet(key, 1);
  }

  /**
   * Decrements by one the value currently associated with {@code key}, and returns the new value.
   */
  @CanIgnoreReturnValue
  public long decrementAndGet(K key) {
    return addAndGet(key, -1);
  }

  /**
   * Adds {@code delta} to the value currently associated with {@code key}, and returns the new
   * value.
   */
  @CanIgnoreReturnValue

    return addAndGet(key, 1);
  }

  /**
   * Decrements by one the value currently associated with {@code key}, and returns the new value.
   */
  @CanIgnoreReturnValue
  public long decrementAndGet(K key) {
    return addAndGet(key, -1);
  }

  /**
   * Adds {@code delta} to the value currently associated with {@code key}, and returns the new
   * value.
   */
  @CanIgnoreReturnValue

     */
    @Override
    public void close () {
        release();
    }


    /**
     * 
     */
    public void release () {
        long usage = this.usageCount.decrementAndGet();
        if ( log.isTraceEnabled() ) {
            log.trace("Release transport " + usage + " " + this);
        }

        if ( usage == 0 ) {
            if ( log.isTraceEnabled() ) {

    public void release () {
        release(true);
    }


    /**
     * @param track
     */
    public void release ( boolean track ) {
        long usage = this.usageCount.decrementAndGet();
        if ( log.isTraceEnabled() ) {
            log.trace("Release tree " + usage + " " + this);
        }

        if ( track && this.traceResource ) {
            synchronized ( this.releases ) {

                }
            }
        }

        return this;

    }


    /**
     * 
     */
    public void release () {
        long usage = this.usageCount.decrementAndGet();
        if ( log.isTraceEnabled() ) {
            log.trace("Release tree connection " + usage + " " + this);
        }

        if ( usage == 0 ) {
            synchronized ( this ) {

    removeFromReplica(replica, replicatedMaxValue);
  }

  private static void removeFromReplica(Map<Integer, AtomicInteger> replica, int value) {
    AtomicInteger numOccur = replica.get(value);
    if (numOccur.decrementAndGet() == 0) {
      replica.remove(value);
    }
  }

  private static void assertIntact(MinMaxPriorityQueue<?> q) {
    if (!q.isIntact()) {
      fail("State " + Arrays.toString(q.toArray()));
    }

    removeFromReplica(replica, replicatedMaxValue);
  }

  private static void removeFromReplica(Map<Integer, AtomicInteger> replica, int value) {
    AtomicInteger numOccur = replica.get(value);
    if (numOccur.decrementAndGet() == 0) {
      replica.remove(value);
    }
  }

  private static void assertIntact(MinMaxPriorityQueue<?> q) {
    if (!q.isIntact()) {
      fail("State " + Arrays.toString(q.toArray()));
    }