1 /*
2  * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 /*
25  * @test
26  * @bug 4473440
27  * @summary iterators on collection views of empty map weren't fail-fast.
28  */
29 package test.java.util.LinkedHashMap;
30 
31 import java.util.ConcurrentModificationException;
32 import java.util.HashMap;
33 import java.util.Iterator;
34 
35 public class EmptyMapIterator {
main(String[] args)36     public static void main(String[] args) throws Exception {
37         HashMap map = new HashMap();
38         Iterator iter = map.entrySet().iterator();
39         map.put("key", "value");
40 
41         try {
42             iter.next();
43             throw new Exception("No exception thrown");
44         } catch (ConcurrentModificationException e) {
45         }
46     }
47 }
48