1 /* 2 * Copyright (c) 2002, 2012, 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 4530007 26 * @summary Test if keys reported ready multiple times 27 * @library .. 28 */ 29 30 import java.net.*; 31 import java.nio.channels.*; 32 import java.nio.channels.spi.SelectorProvider; 33 34 public class KeysReady { 35 36 static void test(TestClass.DayTimeServer dayTimeServer) throws Exception { 37 InetSocketAddress isa 38 = new InetSocketAddress(dayTimeServer.getAddress(), 39 dayTimeServer.getPort()); 40 SocketChannel sc = SocketChannel.open(); 41 sc.configureBlocking(false); 42 sc.connect(isa); 43 44 // Prepare a selector 45 Selector selector = SelectorProvider.provider().openSelector(); 46 try { 47 SelectionKey key = sc.register(selector, SelectionKey.OP_CONNECT); 48 int keysAdded = selector.select(); 49 if (keysAdded > 0) { 50 keysAdded = selector.select(1000); 51 if (keysAdded > 0) 52 throw new Exception("Same key reported added twice"); 53 } 54 } finally { 55 selector.close(); 56 sc.close(); 57 } 58 } 59 60 public static void main(String[] args) throws Exception { 61 try (TestClass.DayTimeServer daytimeServer 62 = TestClass.DayTimeServer.startNewServer(50)) { 63 test(daytimeServer); 64 } 65 } 66 67 }