public void isInStrictOrder() {
    isInStrictOrder(Ordering.natural());
  }
@Test
  public void iterableIsInStrictOrderWithComparator() {
    Iterable<String> emptyStrings = asList();
    assertThat(emptyStrings).isInStrictOrder(COMPARE_AS_DECIMAL);
    assertThat(asList("1")).isInStrictOrder(COMPARE_AS_DECIMAL);
    // Note: Use "10" and "20" to distinguish numerical and lexicographical ordering.
    assertThat(asList("1", "2", "10", "20")).isInStrictOrder(COMPARE_AS_DECIMAL);
  }