/** cmp - word. */
  @Test
  public void cmp_word() {
    assertThat(
        CMP.compare(array(1, 2, 3, 4, 5, 6, 7, 8), 0, 8, array(1, 2, 3, 4, 5, 6, 7, 8), 0, 8),
        is(equalTo(0)));
    assertThat(
        CMP.compare(array(1, 2, 3, 4, 5, 6, 7, 8), 0, 8, array(0, 1, 2, 3, 4, 5, 6, 7, 8, 0), 1, 8),
        is(equalTo(0)));

    assertThat(
        CMP.compare(array(1, 2, 3, 4, 5, 6, 7, 8), 0, 8, array(1, 2, 3, 4, 5, 6, 7, 0), 0, 8),
        is(greaterThan(0)));
    assertThat(
        CMP.compare(array(1, 2, 3, 4, 5, 6, 7, 0), 0, 8, array(1, 2, 3, 4, 5, 6, 7, 8), 0, 8),
        is(lessThan(0)));

    assertThat(
        CMP.compare(array(1, 2, 3, 4, 5, 6, 7, 8), 0, 8, array(1, 2, 3, 4, 5, 6, 7, 0xff), 0, 8),
        is(lessThan(0)));
    assertThat(
        CMP.compare(array(1, 2, 3, 4, 5, 6, 7, 0xff), 0, 8, array(1, 2, 3, 4, 5, 6, 7, 8), 0, 8),
        is(greaterThan(0)));

    assertThat(
        CMP.compare(array(1, 2, 3, 4, 5, 6, 7, 0), 0, 8, array(0, 2, 3, 4, 5, 6, 7, 8), 0, 8),
        is(greaterThan(0)));
    assertThat(
        CMP.compare(array(0, 2, 3, 4, 5, 6, 7, 8), 0, 8, array(1, 2, 3, 4, 5, 6, 7, 0), 0, 8),
        is(lessThan(0)));
  }
  /** cmp - simple case. */
  @Test
  public void cmp() {
    assertThat(CMP.compare(array(1), 0, 1, array(1), 0, 1), is(equalTo(0)));
    assertThat(CMP.compare(array(1), 0, 1, array(2), 0, 1), is(lessThan(0)));
    assertThat(CMP.compare(array(1), 0, 1, array(0), 0, 1), is(greaterThan(0)));
    assertThat(CMP.compare(array(1), 0, 1, array(0xff), 0, 1), is(lessThan(0)));

    assertThat(CMP.compare(array(1, 2), 0, 1, array(1, 3), 0, 1), is(equalTo(0)));
    assertThat(CMP.compare(array(1, 2), 1, 1, array(1, 3), 1, 1), is(lessThan(0)));
    assertThat(CMP.compare(array(1, 2), 1, 1, array(1, 1), 1, 1), is(greaterThan(0)));

    assertThat(CMP.compare(array(1, 2), 0, 2, array(1, 2, 0), 0, 3), is(lessThan(0)));
    assertThat(CMP.compare(array(1, 2, 0), 0, 3, array(1, 2), 0, 2), is(greaterThan(0)));
  }