1 /*

     2  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 8221481

    27  * @modules java.base/java.net:+open java.base/sun.nio.ch:+open

    28  * @run testng CompareSocketOptions

    29  * @summary Compare the set of socket options supported by the old and new SocketImpls

    30  */

    31 

    32 import java.io.IOException;

    33 import java.net.ServerSocket;

    34 import java.net.Socket;

    35 import java.net.SocketImpl;

    36 

    37 import org.testng.annotations.Test;

    38 import static org.testng.Assert.*;

    39 

    40 @Test

    41 public class CompareSocketOptions {

    42 

    43     /**

    44      * Test that the old and new platform SocketImpl support the same set of

    45      * client socket options.

    46      */

    47     public void testClientSocketSupportedOptions() throws IOException {

    48         Socket s1 = new Socket(createOldSocketImpl(false)) { };

    49         Socket s2 = new Socket(createNewSocketImpl(false)) { };

    50         assertEquals(s1.supportedOptions(), s2.supportedOptions());

    51     }

    52 

    53     /**

    54      * Test that the old and new platform SocketImpl support the same set of

    55      * server socket options.

    56      */

    57     public void testServerSocketSupportedOptions() throws IOException {

    58         ServerSocket ss1 = new ServerSocket(createOldSocketImpl(true)) { };

    59         ServerSocket ss2 = new ServerSocket(createNewSocketImpl(true)) { };

    60         assertEquals(ss1.supportedOptions(), ss2.supportedOptions());

    61     }

    62 

    63     private static SocketImpl createOldSocketImpl(boolean server) {

    64         return newPlatformSocketImpl("java.net.PlainSocketImpl", server);

    65     }

    66 

    67     private static SocketImpl createNewSocketImpl(boolean server) {

    68         return newPlatformSocketImpl("sun.nio.ch.NioSocketImpl", server);

    69     }

    70 

    71     private static SocketImpl newPlatformSocketImpl(String name, boolean server) {

    72         try {

    73             var ctor = Class.forName(name).getDeclaredConstructor(boolean.class);

    74             ctor.setAccessible(true);

    75             return (SocketImpl) ctor.newInstance(server);

    76         } catch (Exception e) {

    77             fail("Should not get here", e);

    78             return null;

    79         }

    80     }

    81 }