/*
* Copyright (c) 2011, 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.
*/
/*
* Portions Copyright (c) 2011 IBM Corporation
*/
/*
* @test
* @bug 6312706
* @summary Iterator.remove() from Map.entrySet().iterator() invalidates returned Entry.
* @author Neil Richards <neil.richards@ngmr.net>, <neil_richards@uk.ibm.com>
*/
import java.util.IdentityHashMap;
import java.util.Iterator;
import java.util.Map;
public class EntrySetIteratorRemoveInvalidatesEntry {
public static void main(String[] args) throws Exception {
final IdentityHashMap<String, String> identityHashMap =
new IdentityHashMap<>();
identityHashMap.put("One", "Un");
identityHashMap.put("Two", "Deux");
identityHashMap.put("Three", "Trois");
Iterator<Map.Entry<String, String>> entrySetIterator =
identityHashMap.entrySet().iterator();
Map.Entry<String, String> entry = entrySetIterator.next();
entrySetIterator.remove();
try {
entry.getKey();
throw new RuntimeException("Test FAILED: Entry not invalidated by removal.");
} catch (Exception e) { }
}
}