test/jdk/java/util/SequencedCollection/SimpleList.java

/*
 * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

import java.util.*;

/**
 * A complete List implementation that inherits the reversed() method
 * from List. Useful for testing ReverseOrderListView.
 * Underlying implementation provided by ArrayList.
 */
public class SimpleList<E> implements List<E> {

    final List<E> list;

    public SimpleList() {
        list = new ArrayList<>();
    }

    public SimpleList(Collection<? extends E> c) {
        list = new ArrayList<>(c);
    }

    // ========== Object ==========

    public boolean equals(Object o) {
        return list.equals(o);
    }

    public int hashCode() {
        return list.hashCode();
    }

    public String toString() {
        return list.toString();
    }

    // ========== Collection ==========

    public boolean add(E e) {
        return list.add(e);
    }

    public boolean addAll(Collection<? extends E> c) {
        return list.addAll(c);
    }

    public void clear() {
        list.clear();
    }

    public boolean contains(Object o) {
        return list.contains(o);
    }

    public boolean containsAll(Collection<?> c) {
        return list.containsAll(c);
    }

    public boolean isEmpty() {
        return list.isEmpty();
    }

    public Iterator<E> iterator() {
        return list.iterator();
    }

    public boolean remove(Object o) {
        return list.remove(o);
    }

    public boolean removeAll(Collection<?> c) {
        return list.removeAll(c);
    }

    public boolean retainAll(Collection<?> c) {
        return list.retainAll(c);
    }

    public int size() {
        return list.size();
    }

    public Object[] toArray() {
        return list.toArray();
    }

    public <T> T[] toArray(T[] a) {
        return list.toArray(a);
    }

    // ========== List ==========

    public void add(int index, E element) {
        list.add(index, element);
    }

    public boolean addAll(int index, Collection<? extends E> c) {
        return list.addAll(index, c);
    }

    public E get(int index) {
        return list.get(index);
    }

    public int indexOf(Object o) {
        return list.indexOf(o);
    }

    public int lastIndexOf(Object o) {
        return list.lastIndexOf(o);
    }

    public ListIterator<E> listIterator() {
        return list.listIterator();
    }

    public ListIterator<E> listIterator(int index) {
        return list.listIterator(index);
    }

    public E remove(int index) {
        return list.remove(index);
    }

    public E set(int index, E element) {
        return list.set(index, element);
    }

    public List<E> subList(int fromIndex, int toIndex) {
        return list.subList(fromIndex, toIndex);
    }
}