/*

 * Copyright (c) 2001, 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.

 */

/*

 * @test

 * @bug 4486049

 * @summary toString method fails if size changes in between a call to size

 *           and an attempt to iterate.

 * @author Josh Bloch

 */

import java.util.*;

public class ToString {

    public static void main(String[] args) {

        Map m = new LyingMap();

        if (!m.toString().equals("{}"))

            throw new RuntimeException(m.toString() + "!= {}");

        m.put("x", "1");

        if (!m.toString().equals("{x=1}"))

            throw new RuntimeException(m.toString() + "!= {x=1}");

        m.put("y", "2");

        if (!m.toString().equals("{x=1, y=2}"))

            throw new RuntimeException(m.toString() + "!= {x=1, y=2}");

    }

}

class LyingMap extends LinkedHashMap {

    public int size() {

        return super.size() + 1; // Lies, lies, all lies!

    }

}