public void isInStrictOrder() {
    isInStrictOrder(Ordering.natural());
  }
@Test
  public void isInStrictOrderWithNonComparableElementsFailure() {
    try {
      assertThat(asList((Object) 1, "2", 3, "4")).isInStrictOrder();
      fail("Should have thrown.");
    } catch (ClassCastException expected) {
    }
  }