test/jdk/java/nio/channels/Selector/ReadAfterConnect.java
author mli
Fri, 31 Aug 2018 10:00:22 +0800
changeset 51602 dbb0e798deeb
parent 47216 71c04702a3d5
permissions -rw-r--r--
8208280: java/nio/channels/Selector/RegisterDuringSelect.java fails with "key not removed from key set" Reviewed-by: alanb
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/*
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 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/* @test
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 * @bug 4629307
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 * @summary Socket with OP_READ would get selected on connect
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 * @author kladko
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 */
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import java.nio.channels.Selector;
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import java.nio.channels.SelectionKey;
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import java.nio.channels.SocketChannel;
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public class ReadAfterConnect {
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    public static void main(String[] argv) throws Exception {
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        try (ByteServer server = new ByteServer();
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             SocketChannel sc = SocketChannel.open(server.address())) {
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            server.acceptConnection();
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            try (Selector sel = Selector.open()) {
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                sc.configureBlocking(false);
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                sc.register(sel, SelectionKey.OP_READ);
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                // Previously channel would get selected here, although there is nothing to read
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                if (sel.selectNow() != 0)
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                    throw new Exception("Select returned nonzero value");
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            }
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        }
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    }
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}