/*

 * Copyright (c) 2006, 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 6449335

 * @summary MSCAPI's PRNG is too slow

 */

import java.security.SecureRandom;

public class PrngSlow {

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

        double t = 0.0;

        try {

            SecureRandom sr = null;

            sr = SecureRandom.getInstance("PRNG", "SunMSCAPI");

            long start = System.nanoTime();

            int x = 0;

            for(int i = 0; i < 10000; i++) {

                if (i % 100 == 0) System.err.print(".");

                if (sr.nextBoolean()) x++;

            };

            t = (System.nanoTime() - start) / 1000000000.0;

            System.err.println("\nSpend " + t + " seconds");

        } catch (Exception e) {

            // Not supported here, maybe not a Win32

            System.err.println("Cannot find PRNG for SunMSCAPI or other mysterious bugs");

            e.printStackTrace();

            return;

        }

        if (t > 5)

            throw new RuntimeException("Still too slow");

    }

}