| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.IOException; |
| import java.net.*; |
| import java.util.Set; |
| import static java.lang.System.out; |
| |
| /* |
| * @test |
| * @bug 8143923 |
| * @summary java.net socket supportedOptions set depends on call order |
| * @run main/othervm SupportedOptionsSet first |
| * @run main/othervm SupportedOptionsSet second |
| */ |
| |
| // Run with othervm as the implementation of the supported options sets, once |
| // calculated, stores them in a private static fields. |
| |
| public class SupportedOptionsSet { |
| |
| public static void main(String[] args) throws IOException { |
| if (args[0].equals("first")) |
| first(); |
| else if (args[0].equals("second")) |
| second(); |
| } |
| |
| static void first() throws IOException { |
| try (Socket s = new Socket(); |
| ServerSocket ss = new ServerSocket(); |
| DatagramSocket ds = new DatagramSocket(); |
| MulticastSocket ms = new MulticastSocket()) { |
| |
| Set<?> first = s.supportedOptions(); |
| Set<?> second = ss.supportedOptions(); |
| assertNotEqual(first, second, |
| "Socket and ServerSocket should have different options."); |
| |
| first = ds.supportedOptions(); |
| second = ms.supportedOptions(); |
| assertNotEqual(first, second, |
| "DatagramSocket and MulticastSocket should have different options."); |
| } |
| } |
| |
| /** Tests with the order of access to supportedOptions reversed. */ |
| static void second() throws IOException { |
| try (ServerSocket ss = new ServerSocket(); |
| Socket s = new Socket(); |
| DatagramSocket ds = new DatagramSocket(); |
| MulticastSocket ms = new MulticastSocket()) { |
| |
| Set<?> first = ss.supportedOptions(); |
| Set<?> second = s.supportedOptions(); |
| assertNotEqual(first, second, |
| "ServerSocket and Socket should have different options."); |
| |
| first = ms.supportedOptions(); |
| second = ds.supportedOptions(); |
| assertNotEqual(first, second, |
| "MulticastSocket and DatagramSocket should have different options."); |
| |
| } |
| } |
| |
| static void assertNotEqual(Set<?> s1, Set<?> s2, String message) { |
| if (s1.equals(s2)) { |
| out.println("s1: " + s1); |
| out.println("s2: " + s2); |
| throw new RuntimeException(message); |
| } |
| } |
| } |