assertEquals(Integer.valueOf(1), iterator.next());
    assertEquals(Integer.valueOf(2), iterator.next());
    iterator.remove();
    assertEquals(asList("1", "3"), list);
  }

  public void testPoorlyBehavedTransform() {
    Iterator<String> input = asList("1", "not a number", "3").iterator();
    Iterator<Integer> result =
        Iterators.transform(
            input,
            new Function<String, Integer>() {