  @Test
  public void test2() throws Exception {

    String [] v = new String[] {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l",
        "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"};
    StringDictionaryEncoder dict  =
      buildDictionary(v, true);
    assertEquals(26, dict.size());
    checkContent(dict, v,
        new int[]{0,1,2, 3,4,5, 6,7,8, 9,10,11, 12,13,14,
      15,16,17, 18,19,20, 21,22,23, 24,25});
  }