/*
* $Id$
*
* Copyright (C) 2003-2014 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.apps.vmware.disk.test.readwrite;
import java.io.File;
import java.io.IOException;
import java.nio.ByteBuffer;
import junit.framework.Assert;
import org.apache.log4j.Logger;
import org.jnode.apps.vmware.disk.IOUtils;
import org.jnode.apps.vmware.disk.VMWareDisk;
import org.jnode.apps.vmware.disk.handler.IOHandler;
import org.jnode.apps.vmware.disk.test.Utils;
import org.junit.Test;
import org.junit.Ignore;
/**
* Wrote from the 'Virtual Disk Format 1.0' specifications (from VMWare).
*
* @author Fabien DUMINY (fduminy at jnode dot org)
*
*/
public class TestVMWareDisk extends BaseReadWriteTest {
private static final Logger LOG = Logger.getLogger(TestVMWareDisk.class);
/**
* Construct a test class for a VMware disk stored in a file.
* @param diskFile file used to store the VMware disk
* @throws IOException
*/
public TestVMWareDisk(File diskFile) throws IOException {
super(diskFile);
}
/**
* Do read test.
*/
@Test
public void read() throws Exception {
VMWareDisk disk = new VMWareDisk(diskFile);
ByteBuffer data = IOUtils.allocate(IOHandler.SECTOR_SIZE * 100);
disk.read(0, data);
Assert.assertEquals(toString() + ": buffer should be filled", 0, data.remaining());
}
/**
* Do a write test.
*/
@Test
@Ignore
public void write() throws Exception {
VMWareDisk disk = new VMWareDisk(diskFile);
ByteBuffer data = IOUtils.allocate(IOHandler.SECTOR_SIZE * 100);
disk.write(0, data);
Assert.assertEquals(toString() + ": buffer should be fully copied", 0, data.remaining());
}
/**
* Do writes, just followed by reads on the same file.
*/
@Test
@Ignore
public void writeAndRead() throws Exception {
Utils.DO_CLEAR = false;
LOG.info("BEGIN writeAndRead");
VMWareDisk disk = new VMWareDisk(diskFile);
// write
LOG.info("writeAndRead: writing...");
int size = IOHandler.SECTOR_SIZE * 100;
ByteBuffer expectedData = IOUtils.allocate(size);
for (int i = 0; i < (size / 4); i++) {
expectedData.putInt(i);
}
expectedData.rewind();
disk.write(0, expectedData);
disk.flush();
// read
LOG.info("writeAndRead: reading...");
VMWareDisk disk2 = new VMWareDisk(diskFile);
Assert.assertEquals("disk has different size", disk.getLength(), disk2.getLength());
Assert.assertEquals("disk has different descriptor", disk.getDescriptor(), disk2
.getDescriptor());
expectedData.rewind();
ByteBuffer actualData = IOUtils.allocate(size);
disk2.read(0, actualData);
long nbErrors = 0;
long nbInts = (size / 4);
for (int i = 0; i < nbInts; i++) {
int actual = actualData.getInt(i);
int expected = expectedData.getInt();
// Assert.assertEquals("bad data at index "+(i*4), expected,
// actual);
if (actual != expected) {
nbErrors++;
}
}
double ratio = ((double) ((10000 * nbErrors) / nbInts)) / 100.0;
Assert.assertTrue("bad data. nbErrors=" + nbErrors + " (ratio=" + ratio + "%)",
(nbErrors == 0));
LOG.info("END writeAndRead");
}
}