/*

 * 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.

 *

 */

/**

 * @test

 * @bug 4490253 6535542

 * @summary Verify that newly allocated direct buffers are initialized.

 */

import java.nio.ByteBuffer;

public class AllocateDirectInit {

    public static void main(String [] args){

        for (int i = 0; i < 1024; i++) {

            ByteBuffer bb = ByteBuffer.allocateDirect(1024);

//          printByteBuffer(bb);

            for (bb.position(0); bb.position() < bb.limit(); ) {

                if ((bb.get() & 0xff) != 0)

                    throw new RuntimeException("uninitialized buffer, position = "

                                               + bb.position());

            }

        }

    }

    private static void printByteBuffer(ByteBuffer bb) {

        System.out.print("byte [");

        for (bb.position(0); bb.position() < bb.limit(); )

            System.out.print(" " + Integer.toHexString(bb.get() & 0xff));

        System.out.println(" ]");

    }

}