jdk/test/java/util/AbstractList/HasNextAfterException.java

/*
 * Copyright 2000 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/*
 * @test
 * @bug 4375048
 * @summary AbstractList's ListIterator.hasNext() returns
 *          true, after ListIterator.previous() causes
 *          an exception for an empty list.
 * @author Konstantin Kladko
 */

import java.util.*;

public class HasNextAfterException {
    public static void main(String[] args) {
        List list = new ArrayList();
        ListIterator i = list.listIterator();
        try {
        i.previous();
        }
        catch (NoSuchElementException e) {
        }
        if (i.hasNext()) {
            throw new RuntimeException(
               "ListIterator.hasNext() returns true for an empty "
                + "List after ListIterator.previous().");
        }
    }
}