| /* |
| * Copyright (c) 1999, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 4216997 |
| * @summary Cloning a subclass of LinkedList results in an object that isn't |
| * an instance of the subclass. The same applies to TreeSet and |
| * TreeMap. |
| */ |
| |
| import java.util.*; |
| |
| public class Clone { |
| public static void main(String[] args) { |
| LinkedList2 l = new LinkedList2(); |
| LinkedList2 lClone = (LinkedList2) l.clone(); |
| if (!(l.equals(lClone) && lClone.equals(l))) |
| throw new RuntimeException("LinkedList.clone() is broken 1."); |
| l.add("a"); |
| lClone = (LinkedList2) l.clone(); |
| if (!(l.equals(lClone) && lClone.equals(l))) |
| throw new RuntimeException("LinkedList.clone() is broken 2."); |
| l.add("b"); |
| lClone = (LinkedList2) l.clone(); |
| if (!(l.equals(lClone) && lClone.equals(l))) |
| throw new RuntimeException("LinkedList.clone() is broken 2."); |
| |
| |
| TreeSet2 s = new TreeSet2(); |
| TreeSet2 sClone = (TreeSet2) s.clone(); |
| if (!(s.equals(sClone) && sClone.equals(s))) |
| throw new RuntimeException("TreeSet.clone() is broken."); |
| s.add("a"); |
| sClone = (TreeSet2) s.clone(); |
| if (!(s.equals(sClone) && sClone.equals(s))) |
| throw new RuntimeException("TreeSet.clone() is broken."); |
| s.add("b"); |
| sClone = (TreeSet2) s.clone(); |
| if (!(s.equals(sClone) && sClone.equals(s))) |
| throw new RuntimeException("TreeSet.clone() is broken."); |
| |
| TreeMap2 m = new TreeMap2(); |
| TreeMap2 mClone = (TreeMap2) m.clone(); |
| if (!(m.equals(mClone) && mClone.equals(m))) |
| throw new RuntimeException("TreeMap.clone() is broken."); |
| m.put("a", "b"); |
| mClone = (TreeMap2) m.clone(); |
| if (!(m.equals(mClone) && mClone.equals(m))) |
| throw new RuntimeException("TreeMap.clone() is broken."); |
| m.put("c", "d"); |
| mClone = (TreeMap2) m.clone(); |
| if (!(m.equals(mClone) && mClone.equals(m))) |
| throw new RuntimeException("TreeMap.clone() is broken."); |
| } |
| |
| private static class LinkedList2 extends LinkedList {} |
| private static class TreeSet2 extends TreeSet {} |
| private static class TreeMap2 extends TreeMap {} |
| } |