1 /*
   2  * Copyright (c) 2003, 2004, 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 4801882 5046333
  26  * @summary test ServerSocketAdaptor.accept on nonblocking channel
  27  * @library ..
  28  * @build TestUtil
  29  * @run main NonBlockingAccept
  30  * @key randomness
  31  */
  32 
  33 import java.io.*;
  34 import java.net.*;
  35 import java.nio.*;
  36 import java.nio.channels.*;
  37 
  38 
  39 public class NonBlockingAccept {
  40 
  41     public static void main(String[] args) throws Exception {
  42 
  43         ServerSocketChannel ssc = ServerSocketChannel.open();
  44         InetSocketAddress isa = TestUtil.bindToRandomPort(ssc);
  45         ssc.configureBlocking(false);
  46         ServerSocket ss = ssc.socket();
  47 
  48         // Exception should be thrown when no connection is waiting
  49         try {
  50             ss.accept();
  51             throw new RuntimeException("Expected exception not thrown");
  52         } catch (IllegalBlockingModeException ibme) {
  53             // Correct result
  54         }
  55 
  56         // No exception should be thrown when a connection is waiting (5046333)
  57         SocketChannel sc = SocketChannel.open();
  58         sc.configureBlocking(false);
  59         sc.connect(isa);
  60         Thread.sleep(100);
  61         ss.accept();
  62 
  63     }
  64 
  65 }