[Jnode-svn-commits] SF.net SVN: jnode: [3150] trunk/distr/src/apps/org/jnode/apps/vmware/disk/ test/readwrite/TestVMWareDisk.java

[<fd...@us...>]

Revision: 3150
          http://jnode.svn.sourceforge.net/jnode/?rev=3150&view=rev
Author:   fduminy
Date:     2007-03-31 15:18:46 -0700 (Sat, 31 Mar 2007)

Log Message:
-----------
new version with some refactoring, more tests ...
- working disk type detection
- working read/write of headers only
- read/write of sectors still buggy

Added Paths:
-----------
    trunk/distr/src/apps/org/jnode/apps/vmware/disk/test/readwrite/TestVMWareDisk.java

Added: trunk/distr/src/apps/org/jnode/apps/vmware/disk/test/readwrite/TestVMWareDisk.java
===================================================================
--- trunk/distr/src/apps/org/jnode/apps/vmware/disk/test/readwrite/TestVMWareDisk.java	                        (rev 0)
+++ trunk/distr/src/apps/org/jnode/apps/vmware/disk/test/readwrite/TestVMWareDisk.java	2007-03-31 22:18:46 UTC (rev 3150)
@@ -0,0 +1,109 @@
+package org.jnode.apps.vmware.disk.test.readwrite;
+
+import java.io.File;
+import java.io.FilenameFilter;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+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.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+/**
+ * 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);
+	
+	public TestVMWareDisk(File diskFile) throws IOException 
+	{
+		super(diskFile);
+	}
+
+	@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());
+	}	 
+
+	@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());
+	}	 
+
+	@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");
+	}	 
+}


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