// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
@NullMarked
public class CollectionIteratorTester<E extends @Nullable Object>
    extends AbstractCollectionTester<E> {
  public void testIterator() {
    List<E> iteratorElements = new ArrayList<>();
    for (E element : collection) { // uses iterator()

  static int listListIteratorTesterNumIterations() {
    // TODO(hhchan): It's 4 in java.  Figure out why even 3 is too slow in prod mode.
    return 2;
  }

  // Use fewer steps in the IteratorTester in CollectionIteratorTester because it's slow in prod
  // mode.
  static int collectionIteratorTesterNumIterations() {
    return 3;
  }

  // TODO: Consolidate different copies in one single place.