0N/A/*
2362N/A * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/* @test
0N/A * @summary Test reading and writing from Pipes
0N/A */
0N/A
0N/Aimport java.io.*;
0N/Aimport java.nio.ByteBuffer;
0N/Aimport java.nio.channels.*;
0N/Aimport java.nio.channels.spi.SelectorProvider;
0N/Aimport java.util.Random;
0N/A
0N/A
0N/A/**
0N/A * Testing PipeChannel
0N/A */
0N/Apublic class PipeChannel {
0N/A
0N/A private static Random generator = new Random();
0N/A
0N/A public static void main(String[] args) throws Exception {
0N/A for (int x=0; x<100; x++) {
0N/A SelectorProvider sp = SelectorProvider.provider();
0N/A Pipe p = sp.openPipe();
0N/A Pipe.SinkChannel sink = p.sink();
0N/A Pipe.SourceChannel source = p.source();
0N/A
0N/A ByteBuffer outgoingdata = ByteBuffer.allocateDirect(10);
0N/A byte[] someBytes = new byte[10];
0N/A generator.nextBytes(someBytes);
0N/A outgoingdata.put(someBytes);
0N/A outgoingdata.flip();
0N/A
0N/A int totalWritten = 0;
0N/A while (totalWritten < 10) {
0N/A int written = sink.write(outgoingdata);
0N/A if (written < 0)
0N/A throw new Exception("Write failed");
0N/A totalWritten += written;
0N/A }
0N/A
0N/A ByteBuffer incomingdata = ByteBuffer.allocateDirect(10);
0N/A int totalRead = 0;
0N/A do {
0N/A int bytesRead = source.read(incomingdata);
0N/A if (bytesRead > 0)
0N/A totalRead += bytesRead;
0N/A } while(totalRead < 10);
0N/A
0N/A for(int i=0; i<10; i++)
0N/A if (outgoingdata.get(i) != incomingdata.get(i))
0N/A throw new Exception("Pipe failed");
0N/A sink.close();
0N/A source.close();
0N/A }
0N/A }
0N/A}