navigableMap = (SortedMap<K, V>) getMap();
    List<Entry<K, V>> entries =
        copyToList(
            getSubjectGenerator()
                .getSampleElements(getSubjectGenerator().getCollectionSize().getNumElements()));
    sort(entries, Helpers.entryComparator(navigableMap.comparator()));

    // some tests assume SEVERAL == 3
    if (entries.size() >= 1) {
      a = entries.get(0);
      if (entries.size() >= 3) {

  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testElementSetRemovePropagatesToMultiset() {
    Set<E> elementSet = getMultiset().elementSet();
    int size = getNumElements();
    int expectedSize = size - getMultiset().count(e0());
    assertTrue(elementSet.remove(e0()));
    assertFalse(getMultiset().contains(e0()));
    assertEquals(expectedSize, getMultiset().size());
  }

  }

  public void testListIterator_tooHigh() {
    assertThrows(
        IndexOutOfBoundsException.class, () -> getList().listIterator(getNumElements() + 1));
  }

  public void testListIterator_atSize() {
    assertNotNull(getList().listIterator(getNumElements()));
    // TODO: run the iterator through ListIteratorTester
  }

  /**

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)
  public void testPutAllNullValueNullLast_unsupported() {
    int size = getNumElements();

    assertThrows(
        NullPointerException.class, () -> multimap().putAll(k3(), newArrayList(v3(), null)));

    Collection<V> values = multimap().get(k3());
    if (values.size() == 0) {

  }

  @ListFeature.Require(SUPPORTS_SET)
  public void testSet_indexTooLow() {
    assertThrows(IndexOutOfBoundsException.class, () -> getList().set(-1, e3()));
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_SET)
  public void testSet_indexTooHigh() {
    int index = getNumElements();

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)
  public void testPutAllNullValueNullLast_unsupported() {
    int size = getNumElements();

    assertThrows(
        NullPointerException.class, () -> multimap().putAll(k3(), newArrayList(v3(), null)));

    Collection<V> values = multimap().get(k3());
    if (values.size() == 0) {

    E[] array = createArrayWithNullElement();
    array[0] = null;
    collection = getSubjectGenerator().create(array);

    List<E> expectedWithDuplicateRemoved = asList(array).subList(1, getNumElements());
    expectContents(expectedWithDuplicateRemoved);
  }

  @CollectionFeature.Require(absent = REJECTS_DUPLICATES_AT_CREATION)
  @CollectionSize.Require(absent = {ZERO, ONE})

    E[] array = createArrayWithNullElement();
    array[0] = null;
    collection = getSubjectGenerator().create(array);

    List<E> expectedWithDuplicateRemoved = asList(array).subList(1, getNumElements());
    expectContents(expectedWithDuplicateRemoved);
  }

  @CollectionFeature.Require(absent = REJECTS_DUPLICATES_AT_CREATION)
  @CollectionSize.Require(absent = {ZERO, ONE})

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class CollectionSizeTester<E> extends AbstractCollectionTester<E> {
  public void testSize() {
    assertEquals("size():", getNumElements(), collection.size());
  }

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class MapSizeTester<K, V> extends AbstractMapTester<K, V> {
  public void testSize() {
    assertEquals("size():", getNumElements(), getMap().size());
  }