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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524N/A */
524N/A
524N/A/* @test
524N/A * @bug 4640544
524N/A * @summary Unit test to check SocketChannel setOption/getOption/options
524N/A * 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 void checkOption(SocketChannel sc, SocketOption name, Object expectedValue)
524N/A throws IOException
524N/A {
524N/A Object value = sc.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 SocketChannel sc = SocketChannel.open();
524N/A
524N/A // check supported options
893N/A Set<SocketOption<?>> options = sc.supportedOptions();
524N/A List<? extends SocketOption> expected = Arrays.asList(SO_SNDBUF, SO_RCVBUF,
524N/A SO_KEEPALIVE, SO_REUSEADDR, SO_LINGER, TCP_NODELAY);
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 int linger = sc.<Integer>getOption(SO_LINGER);
524N/A if (linger >= 0)
524N/A throw new RuntimeException("initial value of SO_LINGER should be < 0");
524N/A checkOption(sc, SO_KEEPALIVE, false);
524N/A checkOption(sc, TCP_NODELAY, false);
524N/A
524N/A // allowed to change when not bound
524N/A sc.setOption(SO_KEEPALIVE, true);
524N/A checkOption(sc, SO_KEEPALIVE, true);
524N/A sc.setOption(SO_KEEPALIVE, false);
524N/A checkOption(sc, SO_KEEPALIVE, false);
524N/A sc.setOption(SO_SNDBUF, 128*1024); // can't check
524N/A sc.setOption(SO_RCVBUF, 256*1024); // can't check
2827N/A int before, after;
2827N/A before = sc.getOption(SO_SNDBUF);
2827N/A after = sc.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 = sc.getOption(SO_RCVBUF);
2827N/A after = sc.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 sc.setOption(SO_REUSEADDR, true);
524N/A checkOption(sc, SO_REUSEADDR, true);
524N/A sc.setOption(SO_REUSEADDR, false);
524N/A checkOption(sc, SO_REUSEADDR, false);
524N/A sc.setOption(SO_LINGER, 10);
524N/A linger = sc.<Integer>getOption(SO_LINGER);
524N/A if (linger < 1)
524N/A throw new RuntimeException("expected linger to be enabled");
524N/A sc.setOption(SO_LINGER, -1);
524N/A linger = sc.<Integer>getOption(SO_LINGER);
524N/A if (linger >= 0)
524N/A throw new RuntimeException("expected linger to be disabled");
524N/A sc.setOption(TCP_NODELAY, true);
524N/A checkOption(sc, TCP_NODELAY, true);
524N/A sc.setOption(TCP_NODELAY, false); // can't check
524N/A
524N/A // bind socket
524N/A sc.bind(new InetSocketAddress(0));
524N/A
524N/A // allow to change when bound
524N/A sc.setOption(SO_KEEPALIVE, true);
524N/A checkOption(sc, SO_KEEPALIVE, true);
524N/A sc.setOption(SO_KEEPALIVE, false);
524N/A checkOption(sc, SO_KEEPALIVE, false);
524N/A
524N/A sc.setOption(SO_LINGER, 10);
524N/A linger = sc.<Integer>getOption(SO_LINGER);
524N/A if (linger < 1)
524N/A throw new RuntimeException("expected linger to be enabled");
524N/A sc.setOption(SO_LINGER, -1);
524N/A linger = sc.<Integer>getOption(SO_LINGER);
524N/A if (linger >= 0)
524N/A throw new RuntimeException("expected linger to be disabled");
524N/A sc.setOption(TCP_NODELAY, true); // can't check
524N/A sc.setOption(TCP_NODELAY, false); // can't check
524N/A
524N/A // NullPointerException
524N/A try {
524N/A sc.setOption(null, "value");
524N/A throw new RuntimeException("NullPointerException not thrown");
524N/A } catch (NullPointerException x) {
524N/A }
524N/A try {
524N/A sc.getOption(null);
524N/A throw new RuntimeException("NullPointerException not thrown");
524N/A } catch (NullPointerException x) {
524N/A }
524N/A
524N/A // ClosedChannelException
524N/A sc.close();
524N/A try {
524N/A sc.setOption(TCP_NODELAY, true);
524N/A throw new RuntimeException("ClosedChannelException not thrown");
524N/A } catch (ClosedChannelException x) {
524N/A }
524N/A }
524N/A}