105 lines
3.5 KiB
Java
105 lines
3.5 KiB
Java
/*
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* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4738257 4853295
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* @summary Test Util.getTemporaryBuffer
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*/
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import java.io.*;
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import java.nio.channels.*;
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import java.nio.*;
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public class TempBuffer {
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private static final int SIZE = 4000;
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private static final int ITERATIONS = 10;
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public static void main(String[] args) throws Exception {
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for (int i=0; i<ITERATIONS; i++)
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testTempBufs();
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}
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private static void testTempBufs() throws Exception {
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Pipe pipe = Pipe.open();
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Pipe.SourceChannel sourceChannel = pipe.source();
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final Pipe.SinkChannel sinkChannel = pipe.sink();
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Thread writerThread = new Thread() {
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public void run() {
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try {
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OutputStream out = Channels.newOutputStream(sinkChannel);
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File blah = File.createTempFile("blah1", null);
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blah.deleteOnExit();
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TempBuffer.initTestFile(blah);
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RandomAccessFile raf = new RandomAccessFile(blah, "rw");
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FileChannel fc = raf.getChannel();
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try {
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fc.transferTo(0, SIZE, Channels.newChannel(out));
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} finally {
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fc.close();
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}
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out.flush();
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} catch (IOException ioe) {
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throw new RuntimeException(ioe);
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}
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}
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};
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writerThread.start();
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InputStream in = Channels.newInputStream(sourceChannel);
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File blah = File.createTempFile("blah2", null);
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blah.deleteOnExit();
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RandomAccessFile raf = new RandomAccessFile(blah, "rw");
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FileChannel fc = raf.getChannel();
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try {
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raf.setLength(SIZE);
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fc.transferFrom(Channels.newChannel(in), 0, SIZE);
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} finally {
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fc.close();
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}
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sourceChannel.close();
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sinkChannel.close();
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blah.delete();
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}
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private static void initTestFile(File blah) throws IOException {
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FileOutputStream fos = new FileOutputStream(blah);
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BufferedWriter awriter
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= new BufferedWriter(new OutputStreamWriter(fos, "8859_1"));
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for(int i=0; i<4000; i++) {
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String number = new Integer(i).toString();
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for (int h=0; h<4-number.length(); h++)
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awriter.write("0");
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awriter.write(""+i);
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awriter.newLine();
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}
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awriter.flush();
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awriter.close();
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}
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}
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