test/jdk/java/nio/channels/Selector/CloseThenRegister.java

/*
 * Copyright (c) 2008, 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.
 *
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 * questions.
 */

/* @test
 * @bug 5025260
 * @summary ClosedSelectorException is expected when register after close
 */

import java.net.*;
import java.nio.channels.*;

public class CloseThenRegister {

    public static void main (String [] args) throws Exception {
        Selector sel = Selector.open();
        sel.close();
        ServerSocketChannel ssc = ServerSocketChannel.open();
        try {
            ssc.bind(new InetSocketAddress(0));
            ssc.configureBlocking(false);
            ssc.register(sel, SelectionKey.OP_ACCEPT);
            throw new RuntimeException("register after close does not cause CSE!");
        } catch (ClosedSelectorException cse) {
            // expected
        } finally {
            ssc.close();
        }
    }

}