/*

 * Copyright (c) 2010, 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.

 */

/*

 * @test

 * @bug 6919610

 * @summary KeyTabInputStream uses static field for per-instance value

 */

import sun.security.krb5.PrincipalName;

import sun.security.krb5.internal.ktab.KeyTab;

public class KeyTabIndex {

    public static void main(String[] args) throws Exception {

        KeyTab kt = KeyTab.create("ktab");

        // Two entries with very different length, so that it's easy to

        // observice the abnormal change of "index" field.

        kt.addEntry(new PrincipalName(

                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa@A"),

                "x".toCharArray(), 1, true);

        kt.addEntry(new PrincipalName("a@A"), "x".toCharArray(), 1, true);

        kt.save();

        Runnable t = new Runnable() {

            @Override

            public void run() {

                KeyTab.getInstance("ktab").getClass();

            }

        };

        for (int i=0; i<10; i++) {

            new Thread(t).start();

        }

    }

}