}
            });

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

  public void testCycleOfEmpty() {
    // "<String>" for javac 1.5.
    Iterator<String> cycle = Iterators.<String>cycle();
    assertFalse(cycle.hasNext());
  }

  public void testCycleOfOne() {

              }
            });

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

  public void testCycleOfEmpty() {
    // "<String>" for javac 1.5.
    Iterator<String> cycle = Iterators.<String>cycle();
    assertFalse(cycle.hasNext());
  }

  public void testCycleOfOne() {