1/* 2 * Copyright (c) 2016, 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 * @test 26 * @bug 8170920 27 * @run main MinimumRcvBufferSize 28 */ 29 30import java.nio.channels.*; 31import java.net.*; 32 33public class MinimumRcvBufferSize { 34 35 public static void main(String args[]) throws Exception { 36 boolean error = false; 37 ServerSocketChannel channel = ServerSocketChannel.open(); 38 int before = channel.getOption(StandardSocketOptions.SO_RCVBUF); 39 channel.setOption(StandardSocketOptions.SO_RCVBUF, Integer.MAX_VALUE); 40 int after = channel.getOption(StandardSocketOptions.SO_RCVBUF); 41 if (before > after) { 42 System.err.println("Test failed: SO_RCVBUF"); 43 error = true; 44 } 45 46 SocketChannel channel1 = SocketChannel.open(); 47 before = channel1.getOption(StandardSocketOptions.SO_SNDBUF); 48 channel1.setOption(StandardSocketOptions.SO_SNDBUF, Integer.MAX_VALUE); 49 after = channel1.getOption(StandardSocketOptions.SO_SNDBUF); 50 if (before > after) { 51 System.err.println("Test failed: SO_SNDBUF"); 52 error = true; 53 } 54 if (error) 55 throw new RuntimeException("Test failed"); 56 } 57} 58