130 lines
4.8 KiB
Java
130 lines
4.8 KiB
Java
/*
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* Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/* @test
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* @bug 4640544
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* @summary Unit test to check SocketChannel setOption/getOption/options
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* methods.
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*/
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import java.nio.*;
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import java.nio.channels.*;
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import java.net.*;
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import java.io.IOException;
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import java.util.*;
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import static java.net.StandardSocketOption.*;
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public class SocketOptionTests {
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static void checkOption(SocketChannel sc, SocketOption name, Object expectedValue)
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throws IOException
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{
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Object value = sc.getOption(name);
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if (!value.equals(expectedValue))
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throw new RuntimeException("value not as expected");
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}
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public static void main(String[] args) throws IOException {
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SocketChannel sc = SocketChannel.open();
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// check supported options
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Set<SocketOption<?>> options = sc.options();
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List<? extends SocketOption> expected = Arrays.asList(SO_SNDBUF, SO_RCVBUF,
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SO_KEEPALIVE, SO_REUSEADDR, SO_LINGER, TCP_NODELAY);
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for (SocketOption opt: expected) {
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if (!options.contains(opt))
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throw new RuntimeException(opt.name() + " should be supported");
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}
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// check specified defaults
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int linger = sc.<Integer>getOption(SO_LINGER);
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if (linger >= 0)
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throw new RuntimeException("initial value of SO_LINGER should be < 0");
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checkOption(sc, SO_KEEPALIVE, false);
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checkOption(sc, TCP_NODELAY, false);
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// allowed to change when not bound
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sc.setOption(SO_KEEPALIVE, true);
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checkOption(sc, SO_KEEPALIVE, true);
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sc.setOption(SO_KEEPALIVE, false);
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checkOption(sc, SO_KEEPALIVE, false);
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sc.setOption(SO_SNDBUF, 128*1024); // can't check
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sc.setOption(SO_RCVBUF, 256*1024); // can't check
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sc.setOption(SO_REUSEADDR, true);
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checkOption(sc, SO_REUSEADDR, true);
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sc.setOption(SO_REUSEADDR, false);
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checkOption(sc, SO_REUSEADDR, false);
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sc.setOption(SO_LINGER, 10);
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linger = sc.<Integer>getOption(SO_LINGER);
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if (linger < 1)
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throw new RuntimeException("expected linger to be enabled");
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sc.setOption(SO_LINGER, -1);
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linger = sc.<Integer>getOption(SO_LINGER);
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if (linger >= 0)
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throw new RuntimeException("expected linger to be disabled");
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sc.setOption(TCP_NODELAY, true);
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checkOption(sc, TCP_NODELAY, true);
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sc.setOption(TCP_NODELAY, false); // can't check
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// bind socket
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sc.bind(new InetSocketAddress(0));
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// allow to change when bound
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sc.setOption(SO_KEEPALIVE, true);
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checkOption(sc, SO_KEEPALIVE, true);
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sc.setOption(SO_KEEPALIVE, false);
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checkOption(sc, SO_KEEPALIVE, false);
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sc.setOption(SO_LINGER, 10);
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linger = sc.<Integer>getOption(SO_LINGER);
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if (linger < 1)
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throw new RuntimeException("expected linger to be enabled");
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sc.setOption(SO_LINGER, -1);
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linger = sc.<Integer>getOption(SO_LINGER);
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if (linger >= 0)
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throw new RuntimeException("expected linger to be disabled");
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sc.setOption(TCP_NODELAY, true); // can't check
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sc.setOption(TCP_NODELAY, false); // can't check
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// NullPointerException
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try {
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sc.setOption(null, "value");
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throw new RuntimeException("NullPointerException not thrown");
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} catch (NullPointerException x) {
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}
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try {
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sc.getOption(null);
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throw new RuntimeException("NullPointerException not thrown");
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} catch (NullPointerException x) {
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}
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// ClosedChannelException
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sc.close();
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try {
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sc.setOption(TCP_NODELAY, true);
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throw new RuntimeException("ClosedChannelException not thrown");
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} catch (ClosedChannelException x) {
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}
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}
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}
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