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/* |
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* Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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/* |
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* @test |
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* @bug 4216997 |
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* @summary Cloning a subclass of LinkedList results in an object that isn't |
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* an instance of the subclass. The same applies to TreeSet and |
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* TreeMap. |
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*/ |
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|
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import java.util.LinkedList; |
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import java.util.TreeMap; |
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import java.util.TreeSet; |
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|
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public class Clone { |
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public static void main(String[] args) { |
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LinkedList2 l = new LinkedList2(); |
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LinkedList2 lClone = (LinkedList2) l.clone(); |
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if (!(l.equals(lClone) && lClone.equals(l))) |
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throw new RuntimeException("LinkedList.clone() is broken 1."); |
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l.add("a"); |
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lClone = (LinkedList2) l.clone(); |
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if (!(l.equals(lClone) && lClone.equals(l))) |
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throw new RuntimeException("LinkedList.clone() is broken 2."); |
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l.add("b"); |
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lClone = (LinkedList2) l.clone(); |
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if (!(l.equals(lClone) && lClone.equals(l))) |
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throw new RuntimeException("LinkedList.clone() is broken 2."); |
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|
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|
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TreeSet2 s = new TreeSet2(); |
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TreeSet2 sClone = (TreeSet2) s.clone(); |
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if (!(s.equals(sClone) && sClone.equals(s))) |
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throw new RuntimeException("TreeSet.clone() is broken."); |
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s.add("a"); |
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sClone = (TreeSet2) s.clone(); |
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if (!(s.equals(sClone) && sClone.equals(s))) |
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throw new RuntimeException("TreeSet.clone() is broken."); |
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s.add("b"); |
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sClone = (TreeSet2) s.clone(); |
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if (!(s.equals(sClone) && sClone.equals(s))) |
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throw new RuntimeException("TreeSet.clone() is broken."); |
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|
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TreeMap2 m = new TreeMap2(); |
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TreeMap2 mClone = (TreeMap2) m.clone(); |
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if (!(m.equals(mClone) && mClone.equals(m))) |
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throw new RuntimeException("TreeMap.clone() is broken."); |
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m.put("a", "b"); |
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mClone = (TreeMap2) m.clone(); |
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if (!(m.equals(mClone) && mClone.equals(m))) |
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throw new RuntimeException("TreeMap.clone() is broken."); |
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m.put("c", "d"); |
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mClone = (TreeMap2) m.clone(); |
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if (!(m.equals(mClone) && mClone.equals(m))) |
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throw new RuntimeException("TreeMap.clone() is broken."); |
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} |
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|
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private static class LinkedList2 extends LinkedList {} |
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private static class TreeSet2 extends TreeSet {} |
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private static class TreeMap2 extends TreeMap {} |
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} |
