/*

 * Copyright (c) 2002, 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 4659408 4659410

 * @summary Verify transfers with closed channels throws ClosedChannelException

 */

import java.nio.*;

import java.nio.channels.*;

import java.io.*;

public class ClosedChannelTransfer {

    public static void main (String args []) throws Exception {

        File file = File.createTempFile("test1", null);

        file.deleteOnExit();

        FileChannel channel = (new RandomAccessFile("aaa","rw")).getChannel();

        test1(channel);

        test2(channel);

        channel.close();

        file.delete();

    }

    static void test1(FileChannel channel) throws Exception {

        ByteArrayInputStream istr = new ByteArrayInputStream(

            new byte [] {1, 2, 3, 4}

        );

        ReadableByteChannel rbc = Channels.newChannel(istr);

        rbc.close();

        try {

            channel.transferFrom(rbc, 0, 2);

            throw new Exception("Test1: No ClosedChannelException was thrown");

        } catch (ClosedChannelException cce) {

            // Correct result

        }

    }

    static void test2(FileChannel channel) throws Exception {

        ByteArrayOutputStream istr = new ByteArrayOutputStream(4);

        WritableByteChannel wbc = Channels.newChannel(istr);

        wbc.close();

        try {

            channel.transferTo(0, 2, wbc);

            throw new Exception("Test2: No ClosedChannelException was thrown");

        } catch (ClosedChannelException cce) {

            // Correct result

        }

    }

}