/*

 * Copyright 2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/*

 * @test

 * @bug 4856968

 * @summary make sure add/insert/removeProvider() work correctly

 * @author Andreas Sterbenz

 */

import java.util.*;

import java.security.*;

public class ChangeProviders extends Provider {

    private ChangeProviders() {

        super("Foo", 47.23d, "none");

    }

    private static int plen() {

        return Security.getProviders().length;

    }

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

        long start = System.currentTimeMillis();

        Provider p = new ChangeProviders();

        int n = plen();

        Security.addProvider(p);

        if (plen() != n + 1) {

            throw new Exception("Provider not added");

        }

        Security.addProvider(p);

        if (plen() != n + 1) {

            throw new Exception("Provider readded");

        }

        Security.insertProviderAt(p, 1);

        if (plen() != n + 1) {

            throw new Exception("Provider readded");

        }

        Security.removeProvider(p.getName());

        if ((plen() != n) || (Security.getProvider(p.getName()) != null)) {

            throw new Exception("Provider not removed");

        }

        Security.insertProviderAt(p, 1);

        if (plen() != n + 1) {

            throw new Exception("Provider not added");

        }

        if (Security.getProviders()[0] != p) {

            throw new Exception("Provider not at pos 1");

        }

        System.out.println("All tests passed.");

    }

}