}

  public void testGetLast_sortedSet() {
    SortedSet<String> sortedSet = ImmutableSortedSet.of("b", "c", "a");
    assertThat(Iterables.getLast(sortedSet)).isEqualTo("c");
  }

  public void testGetLast_withDefault_singleton() {
    Iterable<String> iterable = singletonList("foo");
    assertThat(Iterables.getLast(iterable, "bar")).isEqualTo("foo");
  }

  public void testGetLast_withDefault_empty() {