}
      };
  Stimulus<E, ListIterator<E>> nextIndex =
      new Stimulus<E, ListIterator<E>>("nextIndex") {
        @Override
        void executeAndCompare(ListIterator<E> reference, ListIterator<E> target) {
          assertEquals(reference.nextIndex(), target.nextIndex());
        }
      };
  Stimulus<E, ListIterator<E>> previousIndex =

        }
      };
  Stimulus<E, ListIterator<E>> nextIndex =
      new Stimulus<E, ListIterator<E>>("nextIndex") {
        @Override
        void executeAndCompare(ListIterator<E> reference, ListIterator<E> target) {
          assertEquals(reference.nextIndex(), target.nextIndex());
        }
      };
  Stimulus<E, ListIterator<E>> previousIndex =

        }
        return array[i++];
      }

      @Override
      public boolean hasPrevious() {
        return i > 0;
      }

      @Override
      public int nextIndex() {
        return i;
      }

      @Override
      public String previous() {
        if (!hasPrevious()) {
          throw new NoSuchElementException();
        }
        return array[--i];
      }

          }
          canRemoveOrSet = true;
          return forwardIterator.previous();
        }

        @Override
        public int nextIndex() {
          return reversePosition(forwardIterator.nextIndex());
        }

        @Override
        @ParametricNullness
        public T previous() {
          if (!hasPrevious()) {
            throw new NoSuchElementException();

    ListIterator<String> iterator = list.listIterator(1);
    assertEquals(1, iterator.nextIndex());
    assertEquals("2", iterator.next());
    assertEquals("3", iterator.next());
    assertEquals("4", iterator.next());
    assertEquals(4, iterator.nextIndex());
    try {
      iterator.next();
      fail("did not detect end of list");
    } catch (NoSuchElementException expected) {

    ListIterator<String> iterator = list.listIterator(1);
    assertEquals(1, iterator.nextIndex());
    assertEquals("2", iterator.next());
    assertEquals("3", iterator.next());
    assertEquals("4", iterator.next());
    assertEquals(4, iterator.nextIndex());
    try {
      iterator.next();
      fail("did not detect end of list");
    } catch (NoSuchElementException expected) {

  public void testEmptyListIterator() {
    ListIterator<String> iterator = Iterators.emptyListIterator();
    assertFalse(iterator.hasNext());
    assertFalse(iterator.hasPrevious());
    assertEquals(0, iterator.nextIndex());
    assertEquals(-1, iterator.previousIndex());
    assertThrows(NoSuchElementException.class, () -> iterator.next());
    assertThrows(NoSuchElementException.class, () -> iterator.previous());

  public void testEmptyListIterator() {
    ListIterator<String> iterator = Iterators.emptyListIterator();
    assertFalse(iterator.hasNext());
    assertFalse(iterator.hasPrevious());
    assertEquals(0, iterator.nextIndex());
    assertEquals(-1, iterator.previousIndex());
    assertThrows(NoSuchElementException.class, () -> iterator.next());
    assertThrows(NoSuchElementException.class, () -> iterator.previous());