Helpers.testComparator(javaImpl, ordered);
    assertThat(SerializableTester.reserialize(javaImpl)).isSameInstanceAs(javaImpl);
  }

  public void testLexicographicalComparatorLongPseudorandomInputs() {
    Comparator<byte[]> comparator1 = UnsignedBytes.lexicographicalComparator();
    Comparator<byte[]> comparator2 = UnsignedBytes.lexicographicalComparatorJavaImpl();