524N/A/*
3261N/A * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
524N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
524N/A *
524N/A * This code is free software; you can redistribute it and/or modify it
524N/A * under the terms of the GNU General Public License version 2 only, as
524N/A * published by the Free Software Foundation.
524N/A *
524N/A * This code is distributed in the hope that it will be useful, but WITHOUT
524N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
524N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
524N/A * version 2 for more details (a copy is included in the LICENSE file that
524N/A * accompanied this code).
524N/A *
524N/A * You should have received a copy of the GNU General Public License version
524N/A * 2 along with this work; if not, write to the Free Software Foundation,
524N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
524N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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2362N/A * questions.
524N/A */
524N/A
524N/A/* @test
524N/A * @bug 4640544
524N/A * @summary Unit test for setOption/getOption/options methods
524N/A */
524N/A
524N/Aimport java.nio.*;
524N/Aimport java.nio.channels.*;
524N/Aimport java.net.*;
524N/Aimport java.io.IOException;
524N/Aimport java.util.*;
4216N/Aimport static java.net.StandardSocketOptions.*;
524N/A
524N/Apublic class SocketOptionTests {
524N/A
524N/A static <T> void checkOption(DatagramChannel dc,
524N/A SocketOption<T> name,
524N/A T expectedValue)
524N/A throws IOException
524N/A {
524N/A T value = dc.getOption(name);
524N/A if (!value.equals(expectedValue))
524N/A throw new RuntimeException("value not as expected");
524N/A }
524N/A
524N/A public static void main(String[] args) throws IOException {
524N/A DatagramChannel dc = DatagramChannel.open();
524N/A
524N/A // check supported options
893N/A Set<SocketOption<?>> options = dc.supportedOptions();
524N/A List<? extends SocketOption<?>> expected = Arrays.asList(SO_SNDBUF, SO_RCVBUF,
524N/A SO_REUSEADDR, SO_BROADCAST, IP_TOS, IP_MULTICAST_IF, IP_MULTICAST_TTL,
524N/A IP_MULTICAST_LOOP);
524N/A for (SocketOption opt: expected) {
524N/A if (!options.contains(opt))
524N/A throw new RuntimeException(opt.name() + " should be supported");
524N/A }
524N/A
524N/A // check specified defaults
524N/A checkOption(dc, SO_BROADCAST, false);
524N/A checkOption(dc, IP_MULTICAST_TTL, 1); // true on supported platforms
524N/A checkOption(dc, IP_MULTICAST_LOOP, true); // true on supported platforms
524N/A
524N/A // allowed to change when not bound
524N/A dc.setOption(SO_BROADCAST, true);
524N/A checkOption(dc, SO_BROADCAST, true);
524N/A dc.setOption(SO_BROADCAST, false);
524N/A checkOption(dc, SO_BROADCAST, false);
2827N/A dc.setOption(SO_SNDBUF, 128*1024); // can't check
2827N/A dc.setOption(SO_RCVBUF, 128*1024); // can't check
2827N/A int before, after;
2827N/A before = dc.getOption(SO_SNDBUF);
2827N/A after = dc.setOption(SO_SNDBUF, Integer.MAX_VALUE).getOption(SO_SNDBUF);
2827N/A if (after < before)
2827N/A throw new RuntimeException("setOption caused SO_SNDBUF to decrease");
2827N/A before = dc.getOption(SO_RCVBUF);
2827N/A after = dc.setOption(SO_RCVBUF, Integer.MAX_VALUE).getOption(SO_RCVBUF);
2827N/A if (after < before)
2827N/A throw new RuntimeException("setOption caused SO_RCVBUF to decrease");
524N/A dc.setOption(SO_REUSEADDR, true);
524N/A checkOption(dc, SO_REUSEADDR, true);
524N/A dc.setOption(SO_REUSEADDR, false);
524N/A checkOption(dc, SO_REUSEADDR, false);
524N/A
524N/A // bind socket
524N/A dc.bind(new InetSocketAddress(0));
524N/A
524N/A // allow to change when bound
524N/A dc.setOption(SO_BROADCAST, true);
524N/A checkOption(dc, SO_BROADCAST, true);
524N/A dc.setOption(SO_BROADCAST, false);
524N/A checkOption(dc, SO_BROADCAST, false);
524N/A dc.setOption(IP_TOS, 0x08); // can't check
524N/A dc.setOption(IP_MULTICAST_TTL, 2);
524N/A checkOption(dc, IP_MULTICAST_TTL, 2);
524N/A dc.setOption(IP_MULTICAST_LOOP, false);
524N/A checkOption(dc, IP_MULTICAST_LOOP, false);
524N/A dc.setOption(IP_MULTICAST_LOOP, true);
524N/A checkOption(dc, IP_MULTICAST_LOOP, true);
524N/A
524N/A
524N/A // NullPointerException
524N/A try {
524N/A dc.setOption(null, "value");
524N/A throw new RuntimeException("NullPointerException not thrown");
524N/A } catch (NullPointerException x) {
524N/A }
524N/A try {
524N/A dc.getOption(null);
524N/A throw new RuntimeException("NullPointerException not thrown");
524N/A } catch (NullPointerException x) {
524N/A }
524N/A
524N/A // ClosedChannelException
524N/A dc.close();
524N/A try {
524N/A dc.setOption(IP_MULTICAST_LOOP, true);
524N/A throw new RuntimeException("ClosedChannelException not thrown");
524N/A } catch (ClosedChannelException x) {
524N/A }
524N/A }
524N/A}