1/* 2 * Copyright (c) 2007, 2009, 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/* @test 25 * @bug 4640544 26 * @summary Unit test for channels that implement NetworkChannel 27 */ 28 29import java.nio.*; 30import java.nio.channels.*; 31import java.net.*; 32import java.io.IOException; 33import java.util.*; 34 35public class NetworkChannelTests { 36 37 static interface ChannelFactory { 38 NetworkChannel open() throws IOException; 39 } 40 41 static class BogusSocketAddress extends SocketAddress { 42 } 43 44 /** 45 * Exercise bind method. 46 */ 47 static void bindTests(ChannelFactory factory) throws IOException { 48 NetworkChannel ch; 49 50 // AlreadyBoundException 51 ch = factory.open().bind(new InetSocketAddress(0)); 52 try { 53 ch.bind(new InetSocketAddress(0)); 54 throw new RuntimeException("AlreadyBoundException not thrown"); 55 } catch (AlreadyBoundException x) { 56 } 57 ch.close(); 58 59 // bind(null) 60 ch = factory.open().bind(null); 61 if (ch.getLocalAddress() == null) 62 throw new RuntimeException("socket not found"); 63 ch.close(); 64 65 // UnsupportedAddressTypeException 66 ch = factory.open(); 67 try { 68 ch.bind(new BogusSocketAddress()); 69 throw new RuntimeException("UnsupportedAddressTypeException not thrown"); 70 } catch (UnsupportedAddressTypeException x) { 71 } 72 ch.close(); 73 74 // ClosedChannelException 75 try { 76 ch.bind(new InetSocketAddress(0)); 77 throw new RuntimeException("ClosedChannelException not thrown"); 78 } catch (ClosedChannelException x) { 79 } 80 } 81 82 /** 83 * Exercise getLocalAddress method. 84 */ 85 static void localAddressTests(ChannelFactory factory) throws IOException { 86 NetworkChannel ch; 87 88 // not bound 89 ch = factory.open(); 90 if (ch.getLocalAddress() != null) { 91 throw new RuntimeException("Local address returned when not bound"); 92 } 93 94 // bound 95 InetSocketAddress local = 96 (InetSocketAddress)(ch.bind(new InetSocketAddress(0)).getLocalAddress()); 97 if (!local.getAddress().isAnyLocalAddress()) { 98 if (NetworkInterface.getByInetAddress(local.getAddress()) == null) 99 throw new RuntimeException("not bound to local address"); 100 } 101 if (local.getPort() <= 0) 102 throw new RuntimeException("not bound to local port"); 103 104 // closed 105 ch.close(); 106 try { 107 ch.getLocalAddress(); 108 throw new RuntimeException("ClosedChannelException expected"); 109 } catch (ClosedChannelException e) { } 110 } 111 112 /** 113 * Exercise getRemoteAddress method (SocketChannel only) 114 */ 115 static void connectedAddressTests() throws IOException { 116 ServerSocketChannel ssc = ServerSocketChannel.open() 117 .bind(new InetSocketAddress(0)); 118 InetSocketAddress local = (InetSocketAddress)(ssc.getLocalAddress()); 119 int port = local.getPort(); 120 InetSocketAddress server = new InetSocketAddress(InetAddress.getLocalHost(), port); 121 122 SocketChannel sc = SocketChannel.open(); 123 124 // not connected 125 if (sc.getRemoteAddress() != null) 126 throw new RuntimeException("getRemoteAddress returned address when not connected"); 127 128 // connected 129 sc.connect(server); 130 SocketAddress remote = sc.getRemoteAddress(); 131 if (!remote.equals(server)) 132 throw new RuntimeException("getRemoteAddress returned incorrect address"); 133 134 // closed 135 sc.close(); 136 try { 137 sc.getRemoteAddress(); 138 throw new RuntimeException("ClosedChannelException expected"); 139 } catch (ClosedChannelException e) { } 140 141 ssc.close(); 142 } 143 144 public static void main(String[] args) throws IOException { 145 ChannelFactory factory; 146 147 // -- SocketChannel -- 148 149 factory = new ChannelFactory() { 150 public NetworkChannel open() throws IOException { 151 return SocketChannel.open(); 152 } 153 }; 154 155 bindTests(factory); 156 localAddressTests(factory); 157 connectedAddressTests(); 158 159 // -- ServerSocketChannel -- 160 161 factory = new ChannelFactory() { 162 public NetworkChannel open() throws IOException { 163 return ServerSocketChannel.open(); 164 } 165 }; 166 167 bindTests(factory); 168 localAddressTests(factory); 169 170 // backlog values 171 ServerSocketChannel.open() 172 .bind(new InetSocketAddress(0), 100).close(); 173 ServerSocketChannel.open() 174 .bind(new InetSocketAddress(0), 0).close(); 175 ServerSocketChannel.open() 176 .bind(new InetSocketAddress(0), -1).close(); 177 178 // -- DatagramChannel -- 179 180 factory = new ChannelFactory() { 181 public NetworkChannel open() throws IOException { 182 return DatagramChannel.open(); 183 } 184 }; 185 186 bindTests(factory); 187 localAddressTests(factory); 188 } 189 190} 191