@Override
      protected Iterator<Integer> newTargetIterator() {
        return Iterators.limit(new ArrayList<>(list).iterator(), 3);
      }
    }.test();
  }

  public void testGetNext_withDefault_singleton() {
    Iterator<String> iterator = singletonList("foo").iterator();
    assertEquals("foo", Iterators.getNext(iterator, "bar"));
  }

  public void testGetNext_withDefault_empty() {