/*

 * 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 8195160

 * @summary Tests blocking configuration of server socket channels

 * @requires (os.family == "linux")

 * @library ../ /test/lib

 * @build RsocketTest

 * @run testng/othervm SSCConfigureBlocking

 */

import java.io.IOException;

import java.net.ProtocolFamily;

import java.nio.channels.IllegalBlockingModeException;

import java.nio.channels.Selector;

import java.nio.channels.ServerSocketChannel;

import org.testng.SkipException;

import org.testng.annotations.BeforeTest;

import org.testng.annotations.DataProvider;

import org.testng.annotations.Test;

import static java.net.StandardProtocolFamily.INET;

import static java.net.StandardProtocolFamily.INET6;

import static java.nio.channels.SelectionKey.OP_ACCEPT;

import static jdk.net.RdmaSockets.*;

import static org.testng.Assert.assertThrows;

import static org.testng.Assert.assertTrue;

public class SSCConfigureBlocking {

    @BeforeTest

    public void setup() throws Exception {

        if (!RsocketTest.isRsocketAvailable())

            throw new SkipException("rsocket is not available");

    }

    @DataProvider(name = "families")

    public Object[][] families() {

        return new Object[][] { { INET }, { INET6 } };

    }

     // Newly-created selectable channels are always in blocking mode.

    @Test(dataProvider = "families")

    public void testServerSocketChannel(ProtocolFamily family)

        throws IOException

    {

        try (ServerSocketChannel ssc = openServerSocketChannel(family)) {

            assertTrue(ssc.isBlocking(), "Newly created channel is not blocking");

            ssc.configureBlocking(false);

            assertTrue(!ssc.isBlocking(), "Expected non-blocking");

            ssc.configureBlocking(true);

            assertTrue(ssc.isBlocking(), "Expected blocking");

        }

    }

    static final Class<IllegalBlockingModeException> IBME = IllegalBlockingModeException.class;

    @Test(dataProvider = "families")

    public void testServerSocketChannelRegister(ProtocolFamily family)

        throws IOException

    {

        try (ServerSocketChannel ssc = openServerSocketChannel(family);

             Selector selector = Selector.open()) {

            assertThrows(IBME, () -> ssc.register(selector, OP_ACCEPT));

            assertThrows(IBME, () -> ssc.register(selector, OP_ACCEPT, new Object()));

            ssc.configureBlocking(false);

            ssc.register(selector, OP_ACCEPT);

            assertThrows(IBME, () -> ssc.configureBlocking(true));

        }

    }

}