1/* 2 * Copyright (c) 2001, 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 * Tests that a thread blocked in ServerSocket.accept 26 * throws a SocketException if the socket is asynchronously closed. 27 */ 28import java.io.IOException; 29import java.net.*; 30import java.util.concurrent.CountDownLatch; 31 32public class ServerSocket_accept extends AsyncCloseTest implements Runnable { 33 private final ServerSocket ss; 34 private final int timeout; 35 private final CountDownLatch latch; 36 37 public ServerSocket_accept() throws IOException { 38 this(0); 39 } 40 41 public ServerSocket_accept(int timeout) throws IOException { 42 this.timeout = timeout; 43 latch = new CountDownLatch(1); 44 ss = new ServerSocket(0); 45 } 46 47 public String description() { 48 String s = "ServerSocket.accept()"; 49 if (timeout > 0) { 50 s += " (with timeout)"; 51 } 52 return s; 53 } 54 55 public void run() { 56 try { 57 latch.countDown(); 58 Socket s = ss.accept(); 59 failed("ServerSocket.accept() returned unexpectly!!"); 60 } catch (SocketException se) { 61 closed(); 62 } catch (Exception e) { 63 failed(e.getMessage()); 64 } 65 } 66 67 public AsyncCloseTest go(){ 68 try { 69 Thread thr = new Thread(this); 70 thr.start(); 71 latch.await(); 72 Thread.sleep(5000); //sleep, so ServerSocket.accept() can block 73 ss.close(); 74 thr.join(); 75 76 if (isClosed()) { 77 return passed(); 78 } else { 79 return failed("ServerSocket.accept() wasn't preempted"); 80 } 81 } catch (Exception x) { 82 failed(x.getMessage()); 83 throw new RuntimeException(x); 84 } 85 } 86} 87