/*

 * Copyright (c) 2012, 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 8002306

 * @summary Ensure that a Pipe can open even if its thread has already

 *          been interrupted.

 * @author Dan Xu

 */

import java.io.IOException;

import java.nio.channels.Pipe;

public class PipeInterrupt {

    private Exception exc = null;

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

        PipeInterrupt instance = new PipeInterrupt();

        instance.test();

    }

    public void test() throws Exception {

        Thread tester = new Thread("PipeTester") {

            private Pipe testPipe = null;

            @Override

            public void run() {

                for (;;) {

                    boolean interrupted = this.isInterrupted();

                    try {

                        testPipe = Pipe.open();

                        close();

                        if (interrupted) {

                            if (!this.isInterrupted())

                               exc = new RuntimeException("interrupt status reset");

                            break;

                        }

                    } catch (IOException ioe) {

                        exc = ioe;

                    }

                }

            }

            private void close() throws IOException {

                if (testPipe != null) {

                    testPipe.sink().close();

                    testPipe.source().close();

                }

            }

        };

        tester.start();

        Thread.sleep(200);

        tester.interrupt();

        tester.join();

        if (exc != null)

            throw exc;

    }

}