/*
* Copyright (c) 2007, 2010, 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.
*/
/* @test
* @bug 4640544
* @summary Unit test for ServerSocketChannel setOption/getOption/options
* methods.
*/
import java.nio.*;
import java.nio.channels.*;
import java.net.*;
import java.io.IOException;
import java.util.*;
import static java.net.StandardSocketOptions.*;
public class SocketOptionTests {
static void checkOption(ServerSocketChannel ssc, SocketOption name, Object expectedValue)
throws IOException
{
Object value = ssc.getOption(name);
if (!value.equals(expectedValue))
throw new RuntimeException("value not as expected");
}
public static void main(String[] args) throws IOException {
ServerSocketChannel ssc = ServerSocketChannel.open();
// check supported options
Set<SocketOption<?>> options = ssc.supportedOptions();
if (!options.contains(SO_REUSEADDR))
throw new RuntimeException("SO_REUSEADDR should be supported");
if (!options.contains(SO_RCVBUF))
throw new RuntimeException("SO_RCVBUF should be supported");
// allowed to change when not bound
ssc.setOption(SO_RCVBUF, 256*1024); // can't check
int before = ssc.getOption(SO_RCVBUF);
int after = ssc.setOption(SO_RCVBUF, Integer.MAX_VALUE).getOption(SO_RCVBUF);
if (after < before)
throw new RuntimeException("setOption caused SO_RCVBUF to decrease");
ssc.setOption(SO_REUSEADDR, true);
checkOption(ssc, SO_REUSEADDR, true);
ssc.setOption(SO_REUSEADDR, false);
checkOption(ssc, SO_REUSEADDR, false);
// NullPointerException
try {
ssc.setOption(null, "value");
throw new RuntimeException("NullPointerException not thrown");
} catch (NullPointerException x) {
}
try {
ssc.getOption(null);
throw new RuntimeException("NullPointerException not thrown");
} catch (NullPointerException x) {
}
// ClosedChannelException
ssc.close();
try {
ssc.setOption(SO_REUSEADDR, true);
throw new RuntimeException("ClosedChannelException not thrown");
} catch (ClosedChannelException x) {
}
}
}