public void isInStrictOrder() {
    isInStrictOrder(Ordering.natural());
  }
@Test
  public void iterableIsInStrictOrder() {
    assertThat(asList()).isInStrictOrder();
    assertThat(asList(1)).isInStrictOrder();
    assertThat(asList(1, 2, 3, 4)).isInStrictOrder();
  }