TempBuffer.java revision 0
4632N/A/*
4632N/A * Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved.
4632N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4632N/A *
4632N/A * This code is free software; you can redistribute it and/or modify it
4632N/A * under the terms of the GNU General Public License version 2 only, as
4632N/A * published by the Free Software Foundation.
4632N/A *
4632N/A * This code is distributed in the hope that it will be useful, but WITHOUT
4632N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4632N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4632N/A * version 2 for more details (a copy is included in the LICENSE file that
4632N/A * accompanied this code).
4632N/A *
4632N/A * You should have received a copy of the GNU General Public License version
4632N/A * 2 along with this work; if not, write to the Free Software Foundation,
4632N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
4632N/A *
4632N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
4632N/A * CA 95054 USA or visit www.sun.com if you need additional information or
4632N/A * have any questions.
4632N/A */
4632N/A
4632N/A/* @test
4632N/A * @bug 4738257 4853295
4632N/A * @summary Test Util.getTemporaryBuffer
4632N/A */
4632N/A
4632N/Aimport java.io.*;
4632N/Aimport java.nio.channels.*;
4632N/Aimport java.nio.*;
4981N/A
4981N/Apublic class TempBuffer {
5847N/A
5847N/A private static final int SIZE = 4000;
4632N/A
4632N/A private static final int ITERATIONS = 10;
4632N/A
4632N/A public static void main(String[] args) throws Exception {
4959N/A for (int i=0; i<ITERATIONS; i++)
4959N/A testTempBufs();
4632N/A }
4797N/A
4632N/A private static void testTempBufs() throws Exception {
4632N/A Pipe pipe = Pipe.open();
4632N/A Pipe.SourceChannel sourceChannel = pipe.source();
4797N/A final Pipe.SinkChannel sinkChannel = pipe.sink();
4632N/A
4632N/A Thread writerThread = new Thread() {
4632N/A public void run() {
4797N/A try {
4797N/A OutputStream out = Channels.newOutputStream(sinkChannel);
4632N/A File blah = File.createTempFile("blah1", null);
4632N/A blah.deleteOnExit();
4632N/A TempBuffer.initTestFile(blah);
4632N/A RandomAccessFile raf = new RandomAccessFile(blah, "rw");
4632N/A FileChannel fs = raf.getChannel();
4632N/A fs.transferTo(0, SIZE, Channels.newChannel(out));
4632N/A out.flush();
4632N/A } catch (IOException ioe) {
4632N/A throw new RuntimeException(ioe);
4632N/A }
4632N/A }
4797N/A };
4632N/A
4632N/A writerThread.start();
4632N/A
4632N/A InputStream in = Channels.newInputStream(sourceChannel);
4632N/A File blah = File.createTempFile("blah2", null);
4632N/A blah.deleteOnExit();
4797N/A RandomAccessFile raf = new RandomAccessFile(blah, "rw");
4632N/A FileChannel fs = raf.getChannel();
4632N/A raf.setLength(SIZE);
4632N/A fs.transferFrom(Channels.newChannel(in), 0, SIZE);
5847N/A fs.close();
5847N/A }
5847N/A
5847N/A private static void initTestFile(File blah) throws IOException {
5847N/A FileOutputStream fos = new FileOutputStream(blah);
5847N/A BufferedWriter awriter
5847N/A = new BufferedWriter(new OutputStreamWriter(fos, "8859_1"));
5847N/A
4632N/A for(int i=0; i<4000; i++) {
4632N/A String number = new Integer(i).toString();
for (int h=0; h<4-number.length(); h++)
awriter.write("0");
awriter.write(""+i);
awriter.newLine();
}
awriter.flush();
awriter.close();
}
}