1 /*

     2  * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 4028462

    27  * @summary Test for new constructors that set the pipe size

    28  */

    29 

    30 import java.io.*;

    31 public class Constructors extends Thread {

    32 

    33     static PipedOutputStream out;

    34     static PipedInputStream  in;

    35     static int totalToWrite = (8 * 1024);

    36     static int pipeSize = totalToWrite;

    37 

    38     public void run() {

    39         try {

    40             for (int times = (totalToWrite / pipeSize); times > 0; times--) {

    41                 System.out.println("Pipe Input stream reading...");

    42                 int read = in.read(new byte[pipeSize]);

    43                 System.out.println("read: " + read);

    44                 if (read < pipeSize) {

    45                     throw new Exception("Pipe Size is not set to:" + pipeSize);

    46                 }

    47             }

    48         } catch (Throwable e) {

    49             System.out.println("Pipe Input stream exception:");

    50             e.printStackTrace();

    51         } finally {

    52             System.out.println("Pipe Input stream done.");

    53         }

    54     }

    55 

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

    57 

    58         in = new PipedInputStream(pipeSize);

    59         out = new PipedOutputStream(in);

    60         testPipe();

    61 

    62         out = new PipedOutputStream();

    63         in = new PipedInputStream(out, pipeSize);

    64         testPipe();

    65    }

    66 

    67 

    68    private static void testPipe() throws Exception {

    69         Constructors reader = new Constructors();

    70         reader.start();

    71 

    72         try {

    73             System.out.println("Pipe Output stream started.");

    74             out.write(new byte[totalToWrite]);

    75         } catch (Throwable e) {

    76             System.out.println("Pipe Output stream exception:");

    77             e.printStackTrace();

    78         } finally {

    79             out.close();

    80             System.out.println("Waiting for Pipe Input stream...");

    81             reader.join();

    82             in.close();

    83             System.out.println("Done.");

    84         }

    85     }

    86 }