return generator.createArray(length);
  }

  @Override
  public T createTestSubject() {
    Collection<E> elements = getSampleElements(getCollectionSize().getNumElements());
    return generator.create(elements.toArray());
  }

  @Override
  public Collection<E> getSampleElements(int howMany) {
    SampleElements<E> samples = samples();
    List<E> allSampleElements =

  }

  protected Collection<E> getSampleElements(int howMany) {
    return getSubjectGenerator().getSampleElements(howMany);
  }

  protected Collection<E> getSampleElements() {
    return getSampleElements(getNumElements());
  }

  /**
   * Returns the {@linkplain #getSampleElements() sample elements} as ordered by {@link

  }

  protected Collection<E> getSampleElements(int howMany) {
    return getSubjectGenerator().getSampleElements(howMany);
  }

  protected Collection<E> getSampleElements() {
    return getSampleElements(getNumElements());
  }

  /**
   * Returns the {@linkplain #getSampleElements() sample elements} as ordered by {@link

  protected int getNumEntries() {
    return getNumElements();
  }

  protected Collection<Entry<K, V>> getSampleEntries(int howMany) {
    return getSampleElements(howMany);
  }

  protected Collection<Entry<K, V>> getSampleEntries() {
    return getSampleElements();
  }

  @Override
  protected void expectMissing(Entry<K, V>... entries) {
    for (Entry<K, V> entry : entries) {

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

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

  protected int getNumEntries() {
    return getNumElements();
  }

  protected Collection<Entry<K, V>> getSampleEntries(int howMany) {
    return getSampleElements(howMany);
  }

  protected Collection<Entry<K, V>> getSampleEntries() {
    return getSampleElements();
  }

  @Override
  protected void expectMissing(Entry<K, V>... entries) {
    for (Entry<K, V> entry : entries) {

  public void testEqualsTrue() {
    new EqualsTester()
        .addEqualityGroup(multimap(), getSubjectGenerator().create(getSampleElements().toArray()))
        .testEquals();
  }

  public void testEqualsFalse() {
    List<Entry<K, V>> targetEntries = new ArrayList<>(getSampleElements());
    targetEntries.add(Helpers.mapEntry(k0(), v3()));
    new EqualsTester()
        .addEqualityGroup(multimap())

public class SetHashCodeTester<E> extends AbstractSetTester<E> {
  public void testHashCode() {
    int expectedHashCode = 0;
    for (E element : getSampleElements()) {
      expectedHashCode += ((element == null) ? 0 : element.hashCode());
    }
    assertEquals(
        "A Set's hashCode() should be the sum of those of its elements.",
        expectedHashCode,

    return generator.createArray(length);
  }

  @Override
  public T createTestSubject() {
    Collection<E> elements = getSampleElements(getCollectionSize().getNumElements());
    return generator.create(elements.toArray());
  }

  @Override
  public Collection<E> getSampleElements(int howMany) {
    SampleElements<E> samples = samples();
    List<E> allSampleElements =

public class SetHashCodeTester<E> extends AbstractSetTester<E> {
  public void testHashCode() {
    int expectedHashCode = 0;
    for (E element : getSampleElements()) {
      expectedHashCode += ((element == null) ? 0 : element.hashCode());
    }
    assertEquals(
        "A Set's hashCode() should be the sum of those of its elements.",
        expectedHashCode,