Monitor monitor,
      boolean expectedIsOccupied,
      boolean expectedIsOccupiedByCurrentThread,
      int expectedOccupiedDepth) {
    assertEquals(expectedIsOccupied, monitor.isOccupied());
    assertEquals(expectedIsOccupiedByCurrentThread, monitor.isOccupiedByCurrentThread());
    assertEquals(expectedOccupiedDepth, monitor.getOccupiedDepth());
  }

      Monitor monitor,
      boolean expectedIsOccupied,
      boolean expectedIsOccupiedByCurrentThread,
      int expectedOccupiedDepth) {
    assertEquals(expectedIsOccupied, monitor.isOccupied());
    assertEquals(expectedIsOccupiedByCurrentThread, monitor.isOccupiedByCurrentThread());
    assertEquals(expectedOccupiedDepth, monitor.getOccupiedDepth());
  }

  }

  /**
   * Returns whether this monitor is occupied by any thread. This method is designed for use in
   * monitoring of the system state, not for synchronization control.
   */
  public boolean isOccupied() {
    return lock.isLocked();
  }

  /**
   * Returns whether the current thread is occupying this monitor (has entered more times than it
   * has left).
   */