/*

 * Copyright 2003-2007 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 4898428

 * @summary test that the new getInstance() implementation works correctly

 * @author Andreas Sterbenz

 */

import java.security.*;

import javax.crypto.*;

public class TestGetInstance {

    private static void same(Object o1, Object o2) throws Exception {

        if (o1 != o2) {

            throw new Exception("not same object");

        }

    }

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

        long start = System.currentTimeMillis();

        Provider p = Security.getProvider("SunJCE");

        Mac mac;

        mac = Mac.getInstance("hmacmd5");

        System.out.println("Default: " + mac.getProvider().getName());

        mac = Mac.getInstance("hmacmd5", "SunJCE");

        same(p, mac.getProvider());

        mac = Mac.getInstance("hmacmd5", p);

        same(p, mac.getProvider());

        try {

            mac = Mac.getInstance("foo");

            throw new AssertionError();

        } catch (NoSuchAlgorithmException e) {

            System.out.println(e);

        }

        try {

            mac = Mac.getInstance("foo", "SunJCE");

            throw new AssertionError();

        } catch (NoSuchAlgorithmException e) {

            System.out.println(e);

        }

        try {

            mac = Mac.getInstance("foo", p);

            throw new AssertionError();

        } catch (NoSuchAlgorithmException e) {

            System.out.println(e);

        }

        try {

            mac = Mac.getInstance("foo", "SUN");

            throw new AssertionError();

        } catch (NoSuchAlgorithmException e) {

            System.out.println(e);

        }

        try {

            mac = Mac.getInstance("foo", Security.getProvider("SUN"));

            throw new AssertionError();

        } catch (NoSuchAlgorithmException e) {

            System.out.println(e);

        }

        try {

            mac = Mac.getInstance("foo", "foo");

            throw new AssertionError();

        } catch (NoSuchProviderException e) {

            System.out.println(e);

        }

        long stop = System.currentTimeMillis();

        System.out.println("Done (" + (stop - start) + " ms).");

    }

}