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jsr166 |
1.1 |
/* |
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jsr166 |
1.2 |
* Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved. |
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jsr166 |
1.1 |
* 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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jsr166 |
1.2 |
* 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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jsr166 |
1.1 |
*/ |
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/* |
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* @test |
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* @bug 4328748 |
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* @summary AbstractMap's clone() method is implemented to |
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* reset AbstractMap's private fields after super.clone() |
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* |
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* @author Konstantin Kladko |
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*/ |
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jsr166 |
1.3 |
import java.util.AbstractMap; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.Set; |
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jsr166 |
1.1 |
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public class AbstractMapClone extends AbstractMap implements Cloneable { |
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private Map map = new HashMap(); |
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public Set entrySet() { |
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return map.entrySet(); |
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} |
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public Object put(Object key, Object value) { |
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return map.put(key, value); |
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} |
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public Object clone() { |
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AbstractMapClone clone = null; |
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try { |
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clone = (AbstractMapClone)super.clone(); |
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} catch (CloneNotSupportedException e) { |
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} |
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clone.map = (Map)((HashMap)map).clone(); |
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return clone; |
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} |
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public static void main(String[] args) { |
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AbstractMapClone m1 = new AbstractMapClone(); |
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m1.put("1", "1"); |
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Set k1 = m1.keySet(); |
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AbstractMapClone m2 = (AbstractMapClone)m1.clone(); |
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Set k2 = m2.keySet(); |
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m2.put("2","2"); |
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if (k1.equals(k2)) { |
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throw new RuntimeException("AbstractMap.clone() failed."); |
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} |
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} |
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} |
