diff -r fd16c54261b3 -r 90ce3da70b43 jdk/test/java/nio/channels/Pipe/SelectPipe.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/java/nio/channels/Pipe/SelectPipe.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,87 @@ +/* + * Copyright 2002 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/* @test + * @summary Test selection of ready pipe + */ + +import java.io.*; +import java.nio.ByteBuffer; +import java.nio.channels.*; +import java.nio.channels.spi.SelectorProvider; +import java.util.Random; + +/** + * Testing PipeChannel + */ +public class SelectPipe { + + private static Random generator = new Random(); + + public static void main(String[] args) throws Exception { + + SelectorProvider sp = SelectorProvider.provider(); + Selector selector = Selector.open(); + Pipe p = sp.openPipe(); + Pipe.SinkChannel sink = p.sink(); + Pipe.SourceChannel source = p.source(); + + source.configureBlocking(false); + sink.configureBlocking(false); + + SelectionKey readkey = source.register(selector, SelectionKey.OP_READ); + SelectionKey writekey = sink.register(selector, SelectionKey.OP_WRITE); + + ByteBuffer outgoingdata = ByteBuffer.allocateDirect(10); + byte[] someBytes = new byte[10]; + generator.nextBytes(someBytes); + outgoingdata.put(someBytes); + outgoingdata.flip(); + + int totalWritten = 0; + while (totalWritten < 10) { + int written = sink.write(outgoingdata); + if (written < 0) + throw new Exception("Write failed"); + totalWritten += written; + } + + if (selector.select(1000) == 0) { + throw new Exception("test failed"); + } + + ByteBuffer incomingdata = ByteBuffer.allocateDirect(10); + int totalRead = 0; + do { + int bytesRead = source.read(incomingdata); + if (bytesRead > 0) + totalRead += bytesRead; + } while(totalRead < 10); + + for(int i=0; i<10; i++) + if (outgoingdata.get(i) != incomingdata.get(i)) + throw new Exception("Pipe failed"); + sink.close(); + source.close(); + } +}