/**
   * enqueues the given runnable
   *
   * @param runnable a runnable
   */
  protected void invokeLater(Runnable runnable) {

    if (runnable != null) {

      queue.add(runnable);
    }
  }
  /**
   * Runs the test case.
   *
   * @throws Throwable Any uncaught exception causes test to fail
   */
  public void runTest() throws Throwable {
    Document doc;
    NodeList elementList;
    Node employeeNode;
    Node childNode;
    NodeList childNodes;
    int nodeType;
    String childName;
    java.util.List actual = new java.util.ArrayList();

    java.util.List expected = new java.util.ArrayList();
    expected.add("em");
    expected.add("strong");
    expected.add("code");
    expected.add("sup");
    expected.add("var");
    expected.add("acronym");

    doc = (Document) load("hc_staff", false);
    elementList = doc.getElementsByTagName("p");
    employeeNode = elementList.item(1);
    childNodes = employeeNode.getChildNodes();
    for (int indexN1006C = 0; indexN1006C < childNodes.getLength(); indexN1006C++) {
      childNode = (Node) childNodes.item(indexN1006C);
      nodeType = (int) childNode.getNodeType();
      childName = childNode.getNodeName();

      if (equals(1, nodeType)) {
        actual.add(childName);
      } else {
        assertEquals("textNodeType", 3, nodeType);
      }
    }
    assertEqualsAutoCase("element", "elementNames", expected, actual);
  }