/*

 * Copyright (c) 2005, 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 6266377

 * @summary Test to ensure that BufferedWriter releases

 *      resources if flushing the buffer results in an

 *      exception during a call to close().

 */

import java.io.*;

public class Cleanup extends Thread {

    static PipedWriter w;

    static PipedReader r;

    static boolean isWriterClosed = false;

    public void run() {

        try {

            System.out.println("Reader reading...");

            r.read(new char[2048], 0, 2048);

            // Close abruptly before reading all the bytes

            System.out.println("Reader closing stream...");

            r.close();

            Thread.sleep(3000);

        } catch (Throwable e) {

            System.out.println("Reader exception:");

            e.printStackTrace();

        }

    }

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

        r = new PipedReader();

        w = new PipedWriter(r);

        Cleanup reader  = new Cleanup();

        reader.start();

        BufferedWriter bw = new BufferedWriter(w);

        boolean isWriterClosed = false;

        try {

            System.out.println("Writer started.");

            for (int i = 0; i < 3; i++) {

              bw.write(new char[1024], 0, (1024));

            }

            // This call to close() will raise an exception during

            // flush() since the reader is already closed

            bw.close();

        } catch (Throwable e) {

            try {

                e.printStackTrace();

                // Make sure that the BufferedWriter releases the resources

                // A write to a properly closed Writer should raise an exception

                bw.write('a');

            } catch (IOException ex) {

                ex.printStackTrace();

                isWriterClosed = true;

            }

        } finally {

            System.out.println("Writer done.");

            reader.join();

            if (!isWriterClosed) {

                throw new Exception("BufferedWriter is not closed properly");

            }

        }

    }

}