/* * Copyright (c) 2006, 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 4028462 * @summary Test for new constructors that set the pipe size */ import java.io.*; public class Constructors extends Thread { static PipedWriter out; static PipedReader in; static int totalToWrite = (8 * 1024); static int pipeSize = totalToWrite; public void run() { try { for (int times = (totalToWrite / pipeSize); times > 0; times--) { System.out.println("Reader reading..."); int read = in.read(new char[pipeSize]); System.out.println("read: " + read); if (read < pipeSize) { throw new Exception("Pipe Size is not set to:" + pipeSize); } } } catch (Throwable e) { System.out.println("Reader exception:"); e.printStackTrace(); } finally { System.out.println("Reader done."); } } public static void main(String args[]) throws Exception { in = new PipedReader(pipeSize); out = new PipedWriter(in); testPipe(); out = new PipedWriter(); in = new PipedReader(out, pipeSize); testPipe(); } private static void testPipe() throws Exception { Constructors reader = new Constructors(); reader.start(); try { System.out.println("Writer started."); out.write(new char[totalToWrite]); } catch (Throwable e) { System.out.println("Writer exception:"); e.printStackTrace(); } finally { out.close(); System.out.println("Waiting for reader..."); reader.join(); in.close(); System.out.println("Done."); } } }