}
            });

    List<Integer> actual = Lists.newArrayList(result);
    List<Integer> expected = asList(1, 2, 3);
    assertEquals(expected, actual);
  }

  public void testTransformRemove() {
    List<String> list = Lists.newArrayList("1", "2", "3");
    Iterator<String> input = list.iterator();
    Iterator<Integer> iterator =
        Iterators.transform(
            input,