* #5).
       *
       * Note that that "first time" might happen in a test other than
       * testLexicographicalComparatorChoice!
       */
      return false;
    }
  }

  public void testLexicographicalComparatorChoice() throws Exception {
    Comparator<byte[]> defaultComparator = UnsignedBytes.lexicographicalComparator();
    assertThat(defaultComparator).isNotNull();