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     4236533 4416923
27  * @summary Tests to see that memory leak no longer exists.
28  * @author  Josh Bloch
29  */
30 
31 package test.java.util.WeakHashMap;
32 
33 import java.util.Iterator;
34 import java.util.Map;
35 import java.util.WeakHashMap;
36 
37 public class Iteration {
main(String[] args)38     public static void main(String[] args) {
39         String s = "iatrogenic";
40         Map m = new WeakHashMap();
41         m.put(s, "cucumber");
42         Iterator i = m.keySet().iterator();
43         if (i.hasNext() != i.hasNext())
44             throw new RuntimeException("hasNext advances iterator");
45     }
46 }
47