# HG changeset patch # User alanb # Date 1550780411 0 # Node ID a2529b040b483083a68d0374f6feec3284f27c83 # Parent f946ae816b8ace2b6342de2d35006c6552137756 Add test for Socket to UDP socket diff -r f946ae816b8a -r a2529b040b48 test/jdk/java/net/Socket/UdpSocket.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/jdk/java/net/Socket/UdpSocket.java Thu Feb 21 20:20:11 2019 +0000 @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2019, 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 + * @run main UdpSocket + * @run main/othervm -Djdk.net.usePlainSocketImpl UdpSocket + * @summary Basic test for a Socket to a UDP socket + */ + +import java.io.IOException; +import java.net.InetSocketAddress; +import java.net.Socket; +import java.net.SocketAddress; +import java.nio.ByteBuffer; +import java.nio.channels.DatagramChannel; +import java.util.Arrays; + +public class UdpSocket { + + static final String MESSAGE = "hello"; + + public static void main(String[] args) throws IOException { + try (DatagramChannel dc = DatagramChannel.open()) { + dc.bind(new InetSocketAddress(0)); + + int port = ((InetSocketAddress) dc.getLocalAddress()).getPort(); + try (Socket s = new Socket("127.0.0.1", port, false)) { + + // send datagram with socket output stream + byte[] array1 = MESSAGE.getBytes("UTF-8"); + s.getOutputStream().write(array1); + + // receive the datagram + var buf = ByteBuffer.allocate(100); + SocketAddress remote = dc.receive(buf); + buf.flip(); + if (buf.remaining() != MESSAGE.length()) + throw new RuntimeException("Unexpected size"); + + // echo the datagram + dc.send(buf, remote); + + // receive datagram with the socket input stream + byte[] array2 = new byte[100]; + int n = s.getInputStream().read(array2); + if (n != MESSAGE.length()) + throw new RuntimeException("Unexpected size"); + if (!Arrays.equals(array1, 0, n, array2, 0, n)) + throw new RuntimeException("Unexpected contents"); + } + } + } +}