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/* singlebufferIO.java -- FileChannel test using a single buffer
Copyright (C) 2006 Michael Barker
This file is part of Mauve.
Mauve is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
Mauve 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 for more details.
You should have received a copy of the GNU General Public License
along with Mauve; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
*/
// Tags: JDK14
package gnu.testlet.java.nio.channels.FileChannel;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.util.Arrays;
/**
* @author mike
*/
public class singlebufferIO
implements Testlet
{
/*
* (non-Javadoc)
*
* @see gnu.testlet.Testlet#test(gnu.testlet.TestHarness)
*/
public void test(TestHarness harness)
{
byte[] data = "qwertyuiopasdfghjklzxcvbnm".getBytes();
ByteBuffer out = ByteBuffer.wrap(data);
ByteBuffer in = ByteBuffer.wrap(new byte[data.length]);
String tmpfile = harness.getTempDirectory() + File.separator
+ "mauve-singlebuffer.tmp";
try
{
File f = new File(tmpfile);
f.createNewFile();
FileChannel fcOut = new FileOutputStream(f).getChannel();
fcOut.write(out);
fcOut.close();
harness.check(out.position() == out.limit(), "Position - Limit mismatch");
FileChannel fcIn = new FileInputStream(f).getChannel();
fcIn.read(in);
System.out.println("Position: " + in.position() + ", Limit: " + in.limit());
System.out.println("Position: " + out.position() + ", Limit: " + out.limit());
harness.check(Arrays.equals(out.array(), in.array()));
}
catch (IOException e)
{
harness.fail("Unexpected exception: " + e);
}
finally
{
// delete the work file and check if deletion were successfull
if (tmpfile != null)
{
new File(tmpfile).delete();
}
}
}
}
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