public void testRemovingIteratorKnownOrder() {
    new IteratorTester<E>(
        4,
        MODIFIABLE,
        getSubjectGenerator().order(asList(e0(), e1(), e1(), e2())),
        IteratorTester.KnownOrder.KNOWN_ORDER) {
      @Override
      protected Iterator<E> newTargetIterator() {
        return getSubjectGenerator().create(e0(), e1(), e1(), e2()).iterator();
      }
    }.test();
  }

   */
  public void testToArray_isPlainObjectArray() {
    Object[] array = collection.toArray();
    assertEquals(Object[].class, array.getClass());
  }

  public void testToArray_emptyArray() {
    E[] empty = getSubjectGenerator().createArray(0);
    E[] array = collection.toArray(empty);
    assertEquals(
        "toArray(emptyT[]) should return an array of type T", empty.getClass(), array.getClass());

  public void testRemovingIteratorKnownOrder() {
    new IteratorTester<E>(
        4,
        MODIFIABLE,
        getSubjectGenerator().order(asList(e0(), e1(), e1(), e2())),
        IteratorTester.KnownOrder.KNOWN_ORDER) {
      @Override
      protected Iterator<E> newTargetIterator() {
        return getSubjectGenerator().create(e0(), e1(), e1(), e2()).iterator();
      }
    }.test();
  }

          parentBuilder) {
    // TODO(lowasser): make a SortedElementSetGenerator
    return SetTestSuiteBuilder.using(
            new ElementSetGenerator<E>(parentBuilder.getSubjectGenerator()))
        .named(getName() + ".elementSet")
        .withFeatures(computeElementSetFeatures(parentBuilder.getFeatures()))
        .suppressing(parentBuilder.getSuppressedTests())
        .createTestSuite();
  }

  @CollectionFeature.Require(ALLOWS_NULL_VALUES)
  @CollectionSize.Require(absent = ZERO)
  public void testCreateWithNull_supported() {
    E[] array = createArrayWithNullElement();
    collection = getSubjectGenerator().create(array);
    expectContents(array);
  }

  @CollectionFeature.Require(absent = ALLOWS_NULL_VALUES)
  @CollectionSize.Require(absent = ZERO)
  public void testCreateWithNull_unsupported() {

              ?, ? extends OneSizeTestContainerGenerator<SetMultimap<K, V>, Entry<K, V>>>
          parentBuilder) {
    return SetTestSuiteBuilder.using(
            new MultimapGetGenerator<K, V>(parentBuilder.getSubjectGenerator()))
        .withFeatures(computeMultimapGetFeatures(parentBuilder.getFeatures()))
        .named(parentBuilder.getName() + ".get[key]")
        .suppressing(parentBuilder.getSuppressedTests())
        .createTestSuite();

              ?, ? extends OneSizeTestContainerGenerator<SetMultimap<K, V>, Entry<K, V>>>
          parentBuilder) {
    return SetTestSuiteBuilder.using(
            new MultimapGetGenerator<K, V>(parentBuilder.getSubjectGenerator()))
        .withFeatures(computeMultimapGetFeatures(parentBuilder.getFeatures()))
        .named(parentBuilder.getName() + ".get[key]")
        .suppressing(parentBuilder.getSuppressedTests())
        .createTestSuite();

    if (parentBuilder.getFeatures().contains(CollectionFeature.SERIALIZABLE)) {
      derivedSuites.add(
          MultimapTestSuiteBuilder.using(
                  new ReserializedMultimapGenerator<K, V, M>(parentBuilder.getSubjectGenerator()))
              .withFeatures(computeReserializedMultimapFeatures(parentBuilder.getFeatures()))
              .named(parentBuilder.getName() + " reserialized")
              .suppressing(parentBuilder.getSuppressedTests())

    if (parentBuilder.getFeatures().contains(CollectionFeature.SERIALIZABLE)) {
      derivedSuites.add(
          MapTestSuiteBuilder.using(
                  new ReserializedMapGenerator<K, V>(parentBuilder.getSubjectGenerator()))
              .withFeatures(computeReserializedMapFeatures(parentBuilder.getFeatures()))
              .named(parentBuilder.getName() + " reserialized")
              .suppressing(parentBuilder.getSuppressedTests())

    if (!parentBuilder.getFeatures().contains(NoRecurse.NO_ENTRY_SET)) {
      derivedSuites.add(
          SetTestSuiteBuilder.using(new EntrySetGenerator<E>(parentBuilder.getSubjectGenerator()))
              .named(getName() + ".entrySet")
              .withFeatures(computeEntrySetFeatures(parentBuilder.getFeatures()))
              .suppressing(parentBuilder.getSuppressedTests())