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 4486049
27 * @summary toString method fails if size changes in between a call to size
28 *           and an attempt to iterate.
29 * @author Josh Bloch
30 */
31
32import java.util.*;
33
34public class ToString {
35    public static void main(String[] args) {
36        Map m = new LyingMap();
37        if (!m.toString().equals("{}"))
38            throw new RuntimeException(m.toString() + "!= {}");
39
40        m.put("x", "1");
41        if (!m.toString().equals("{x=1}"))
42            throw new RuntimeException(m.toString() + "!= {x=1}");
43
44        m.put("y", "2");
45        if (!m.toString().equals("{x=1, y=2}"))
46            throw new RuntimeException(m.toString() + "!= {x=1, y=2}");
47    }
48}
49
50class LyingMap extends LinkedHashMap {
51    public int size() {
52        return super.size() + 1; // Lies, lies, all lies!
53    }
54}
55