/*

 * Copyright (c) 2005, 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 6286011 6330315

 * @summary Verify that appropriate SelectorProvider is selected.

 */

import java.nio.channels.spi.*;

public class SelProvider {

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

        String osname = System.getProperty("os.name");

        String osver = System.getProperty("os.version");

        String spName = SelectorProvider.provider().getClass().getName();

        String expected = null;

        if ("SunOS".equals(osname)) {

            expected = "sun.nio.ch.DevPollSelectorProvider";

        } else if ("Linux".equals(osname)) {

            String[] vers = osver.split("\\.", 0);

            if (vers.length >= 2) {

                int major = Integer.parseInt(vers[0]);

                int minor = Integer.parseInt(vers[1]);

                if (major > 2 || (major == 2 && minor >= 6)) {

                    expected = "sun.nio.ch.EPollSelectorProvider";

                } else {

                    expected = "sun.nio.ch.PollSelectorProvider";

                }

            } else {

                throw new RuntimeException("Test does not recognize this operating system");

            }

        } else

            return;

        if (!spName.equals(expected))

            throw new Exception("failed");

    }

}