1/* 2 * Copyright (c) 2001, 2010, 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 * @summary Test trivial stuff 26 */ 27 28import java.nio.channels.*; 29 30 31public class Trivial { 32 33 public static void main(String[] args) throws Exception { 34 SocketChannel sc = SocketChannel.open(); 35 Selector sel = Selector.open(); 36 try { 37 if (sc.keyFor(sel) != null) 38 throw new Exception("keyFor != null"); 39 sc.configureBlocking(false); 40 SelectionKey sk = sc.register(sel, SelectionKey.OP_READ, args); 41 if (sc.keyFor(sel) != sk) 42 throw new Exception("keyFor returned " + sc.keyFor(sel)); 43 if (sk.attachment() != args) 44 throw new Exception("attachment() returned " + sk.attachment()); 45 Trivial t = new Trivial(); 46 sk.attach(t); 47 if (sk.attachment() != t) 48 throw new Exception("Wrong attachment"); 49 sk.isReadable(); 50 sk.isWritable(); 51 sk.isConnectable(); 52 sk.isAcceptable(); 53 } finally { 54 sel.close(); 55 sc.close(); 56 } 57 } 58 59} 60