kerneltest/f32test/server/t_wcache.cpp
changeset 0 a41df078684a
child 109 b3a1d9898418
child 256 c1f20ce4abcf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/f32test/server/t_wcache.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,1453 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// f32test\server\t_wcache.cpp
+// This file contains a test for the Write Caching functionality of the File Server
+// 
+//
+
+/**
+ @file
+ @internalTechnology 
+*/
+
+#define __E32TEST_EXTENSION__
+#include <f32file.h>
+#include <e32test.h>
+#include <e32svr.h>
+#include <f32dbg.h>
+#include "t_server.h"
+#include <e32twin.h>
+
+const TInt KTotalCacheSize = 32 * 1024 * 1024;
+const TInt KDefaultCacheSize = (128 + 12) * 1024; 	// This size is the default configuration size
+const TInt KFilesNeededToFillCache = (KTotalCacheSize / KDefaultCacheSize) + 2;
+const TInt KMinSize = 254; // Boundary minim limit
+const TInt KMaxSize = 257; // Boundary max limit
+
+
+
+//----------------------------------------------------------------------------------------------
+//! @SYMTestCaseID      PBASE-T_WCACHE-0271
+//! @SYMTestType        CIT
+//! @SYMPREQ            PREQ914
+//! @SYMTestCaseDesc    This test case is exercising the Write Caching functionality added to 
+//!						the File Server. There are negative and positive tests. 
+//! @SYMTestActions     0   setup the environment to execute the tests
+//!						1	TestBoundaries writes/reads around the write cache boundaries to
+//!							the behaviour of the cache in some common cases. 
+//!						2 	TestNegative ensures the integrity of data in the cache gets 
+//!							preserved under error conditions
+//!						3	TestIntegrity is trying to make sure integrity of the data is preserved
+//!						4	TestFillCache fills the cache and then executes TestBoundaries. 
+//!						5 	TestFillCacheNegative fills the cache with uncommitted data 
+//!
+//! @SYMTestExpectedResults finishes if the read cache behaves as expected, panics otherwise
+//! @SYMTestPriority        High
+//! @SYMTestStatus          Implemented
+//----------------------------------------------------------------------------------------------
+
+
+////////////////////////////////////////////////////////////
+// Template functions encapsulating ControlIo magic
+//
+template <class C>
+TInt controlIo(RFs &fs, TInt drv, TInt fkn, C &c)
+{
+    TPtr8 ptrC((TUint8 *)&c, sizeof(C), sizeof(C));
+
+    TInt r = fs.ControlIo(drv, fkn, ptrC);
+
+    return r;
+}
+
+RTest test(_L("T_WCACHE"));
+
+RFs gTheFs;
+TInt gDrive;
+TFileName gSessionPath;
+TChar gDriveToTest;	
+TThreadId gMainThreadId;
+TInt gManual = 0;
+
+HBufC8* gBuf = NULL;
+TPtr8 gBufReadPtr(NULL, 0);	
+HBufC8* gBufSec = NULL;
+TPtr8 gBufWritePtr(NULL, 0);	
+
+const TInt KOneK = 1024;
+const TInt KOneMeg = KOneK * 1024;
+const TInt KBlockSize = KOneK;
+const TInt KWaitRequestsTableSize = 256;
+const TInt KMs = 1000; 
+
+TInt gSecondFileSize = 0; 
+TInt gFirstFileSize = 0;
+
+TInt64 gMediaSize = 0;
+
+TTimeIntervalMicroSeconds gTimeTakenBigFile(0);
+TBuf16<25> gFirstFile;
+TBuf16<25> gSecondFile;
+TBuf16<25> gCurrentFile;
+
+TInt gNextFile = 0;
+TTime gTime1;
+TTime gTime2;
+
+
+// Concurrent Threads
+RThread gThread1;
+RSemaphore gClient;
+const TInt KHeapSize = 0x4000;
+const TInt KMaxHeapSize = 0x100000;
+
+
+/** Formats the drive 
+
+	@param aDrive 	Drive to be formatted
+	@param aFormatMode Mode for the format operation
+*/
+void Formatting(TInt aDrive, TUint aFormatMode )
+	{
+
+	test.Next(_L("Format"));
+	TBuf<4> driveBuf = _L("?:\\");
+	driveBuf[0]=(TText)(aDrive+'A');
+	RFormat format;
+	TInt count;
+	TInt r = format.Open(gTheFs,driveBuf,aFormatMode,count);
+	test_KErrNone(r);
+	while(count)
+		{
+		TInt r = format.Next(count);
+		test_KErrNone(r);
+		}
+	format.Close();
+	
+	}
+
+/** Verifies the content of a buffer 
+	This function returns KErrNone when all the letters are consecutive in the aBuffer, KErrCorrupt otherwise
+
+	@param aBuffer  Buffer to be verified
+	
+	@return KErrNone if all the letters are the same, KErrCorrupt otherwise
+*/
+TInt VerifyBuffer(TDes8& aBuffer)
+	{
+	TChar c = aBuffer[0];
+	
+	for(TInt i = 1; i < aBuffer.Length(); i++)
+		{
+		if(i%32 != 0) 
+			{
+			if(c != (TChar)(aBuffer[i] - 1)) 
+				return KErrCorrupt;
+			}
+		else
+			{
+			if(aBuffer[i] != aBuffer[0])		
+				return KErrCorrupt;
+			}
+		c = aBuffer[i];
+		}
+		
+	return KErrNone;
+	}
+
+/**  Fills a buffer with character aC, aC+1, aC+2, ..., aC+0x20, aC, etc 
+
+	@param aBuffer  Buffer to be filled, output
+	@param aLength  Length to be filled
+	@param aC		Character to be used to fill the buffer
+*/
+void FillBuffer(TDes8& aBuffer, TInt aLength, TChar aC)
+	{
+	test (aBuffer.MaxLength() >= aLength);
+	for(TInt i = 0; i < aLength; i++)
+		{
+		aBuffer.Append((i%32) + aC);
+		}
+	}
+
+/**  Returns true if fat filesystem present on aDrive
+
+	@param aFsSession 	Session on the File Server
+	@param aDrive 		Drive to be looked at
+	
+	@return ETrue if FAT, EFalse otherwise
+*/
+TBool IsFSFAT(RFs &aFsSession,TInt aDrive)
+	{
+	TFileName f;
+	TInt r = aFsSession.FileSystemName(f,aDrive);
+	
+	if (r != KErrNone)
+		{
+		test.Printf(_L("Unable to get file system name\n"));
+		return EFalse;
+		}
+		
+	return (f.CompareF(_L("Fat")) == 0);
+	}
+
+/** Generates a file name of the form FFFFF*<aPos>.TXT (aLong.3)
+
+	@param aBuffer The filename will be returned here
+	@param aLong   Defines the longitude of the file name 
+	@param aPos	   Defines the number that will be attached to the filename
+*/
+void FileNameGen(TDes16& aBuffer, TInt aLong, TInt aPos) 
+	{
+	TInt padding;
+	TInt i = 0;
+	TBuf16<10> tempbuf;
+	
+	_LIT(KNumber,"%d");
+	tempbuf.Format(KNumber,aPos);
+	padding = aLong-tempbuf.Size()/2;
+	aBuffer = _L("");
+	while(i < padding)
+	{
+		aBuffer.Append('F');
+		i++;
+	}
+	aBuffer.Append(tempbuf);
+
+	_LIT(KExtension1, ".TXT");
+	aBuffer.Append(KExtension1);
+	}
+
+/**  Delete content of directory
+
+	@param aDir	Target directory
+	
+	@return Error returned if any, otherwise KErrNone
+*/
+TInt DeleteAllL(TDes16& aDir) 
+	{
+	TBuf16<100> dir;
+	CFileMan* fMan = CFileMan::NewL(gTheFs);
+	TInt r=0;
+	
+	dir = aDir;
+	dir.Append(_L("F*.*"));
+	r = fMan->Delete(dir);	
+
+	delete fMan;
+	return r;
+	}
+
+/**  Waits for all the TRequestStatus in status[] to complete
+
+	@param status 	Array of TRequestStatus 
+	@param aSize  Length to be filled
+*/
+void WaitForAll(TRequestStatus* status, TInt aSize) 
+	{
+	TInt i = 0;
+
+	RTest test(_L("T_WCACHE"));
+
+	while(i < aSize)
+		{
+		User::WaitForRequest(status[i]);
+		if (status[i] != KErrNone)
+			{
+			test.Printf(_L("status[%d] == %d\n"), i, status[i].Int());
+			test(EFalse);
+			}
+		i++;
+		}
+
+	test.Close();
+	}
+
+/**  Reads the parameters from the comand line 
+	 and updates the appropriate variables
+*/
+void parseCommandLine() 
+	{
+	TBuf<0x100> cmd;
+	User::CommandLine(cmd);
+	TLex lex(cmd);
+	TPtrC token = lex.NextToken();
+	TInt r=0;
+
+	if(token.Length() != 0)		
+		{
+		gDriveToTest = token[0];
+		gDriveToTest.UpperCase();
+		}
+	else						
+		{
+		gDriveToTest = 'C';
+		}	
+		
+	r = gTheFs.CharToDrive(gDriveToTest,gDrive);
+	test_KErrNone(r);
+	
+	if(!lex.Eos()) 
+		{
+		token.Set(lex.NextToken());	
+		if(token.Length() != 0)		
+			{
+				TChar c = token[0];
+				c.UpperCase();
+				
+				gManual = (c == 'M'); 
+			}
+		}
+	
+	gSessionPath = _L("?:\\F32-TST\\");
+	gSessionPath[0] = (TUint16) gDriveToTest;
+	test.Printf(_L("\nCLP=%C\n"),(TInt)gDriveToTest);
+	}
+
+
+
+/**  Writes a file synchronously in blocks of aBlockSize size
+
+	@param aFs			RFs object
+	@param aFile		File 
+	@param aFileName	File name
+	@param aSize		Size of the file in bytes
+	@param aBlockSize	Size of the blocks to be used in bytes
+	@param aBuf			Buffer to be used to write
+	@param aMode		Mode in which the file is meant to be opened
+						
+	@return Returns KErrNone if everything ok, otherwise it panics 
+*/
+TInt WriteFile(RFs& aFs, RFile& aFile, TDes16& aFileName, TInt aSize, TInt aBlockSize, TDes8& aBuf, TInt aMode) 
+	{
+	RTest test(_L("T_WCACHE"));
+
+	TInt r = 0;
+
+	test(aBlockSize > 0);	
+
+
+	r = aFile.Replace(aFs,aFileName,aMode);
+	test_KErrNone(r);
+
+	TInt j = 0;
+	while(j < aSize)
+		{
+			r = aFile.Write(aBuf, aBlockSize);
+			test_KErrNone(r);
+			j += aBlockSize;
+		}					
+
+	test.Close();
+	return KErrNone;	
+	}
+
+/** Write a file that fits in the cache, and dies without proper cleaning
+
+*/
+LOCAL_C TInt WriteFileT(TAny* )
+	{
+	RTest test(_L("T_WCACHE"));
+	RFs fs;
+	RFile file;
+	TInt r = fs.Connect();
+	test_KErrNone(r);
+
+	r = fs.SetSessionPath(gSessionPath);
+	test_KErrNone(r);
+	
+	r = WriteFile(fs, file, gFirstFile, KMinSize * KOneK, KBlockSize, gBufWritePtr, EFileShareAny|EFileWrite|EFileWriteBuffered);
+	test_KErrNone(r);
+	
+	gClient.Signal();
+
+
+	FOREVER
+		{
+			// waiting for the kill
+		}		
+	}
+
+/**  Read File in blocks of size aBlockSize
+
+	@param aFs			RFs object
+	@param aFile		File 
+	@param aFileName	File name
+	@param aSize		Expected file size
+	@param aBlockSize	Size of the blocks to be used in bytes
+	@param aMode		Mode in which the file is meant to be opened
+						
+	@return Returns KErrNone if everything ok, otherwise it panics 
+*/
+TInt ReadFile(RFs& aFs, RFile& aFile, TDes16& aFileName, TInt aSize, TInt aBlockSize, TInt aMode) 
+	{
+	RTest test(_L("T_WCACHE"));
+
+	TInt r = 0, size = 0;
+	
+	test(aBlockSize>0);				// Block size must be greater than 0
+
+	r = aFile.Open(aFs,aFileName,aMode);
+	test_KErrNone(r);
+
+	// Make sure the size of the file is the right one at this stage
+	r = aFile.Size(size);
+	test.Printf(_L("size of the file: %d \n"), size/KOneK); 
+	test(size == aSize);
+	
+	TInt j = 0;
+	while(j < size) 
+	{
+		r = aFile.Read(gBufReadPtr, aBlockSize);
+		test_KErrNone(r);
+		j += aBlockSize;
+	}					
+
+	test.Close();
+	return KErrNone;	
+	}
+
+/** Write a file asynchronously in blocks of aBlockSize size
+
+	@param aFs			RFs object
+	@param aFileWrite	RFile object, needs to exist beyond the scope of this function
+	@param aFile		File name
+	@param aSize		Size of the file in bytes
+	@param aMode		Specifies the mode in which the file should be openned
+	@param aStatus		TRequestStatus array for all the requests
+*/
+void WriteFileAsync(RFs& aFs, RFile& aFileWrite, TDes16& aFile, TInt aSize, TInt aMode, TRequestStatus aStatus[]) 
+	{
+	RTest test(_L("T_WCACHE"));
+
+	TInt r = 0;
+	
+	r = aFileWrite.Replace(aFs,aFile,aMode);
+	test_KErrNone(r);
+
+	TInt j = 0, i = 0;
+	while(j < aSize)
+		{
+		aFileWrite.Write(gBufWritePtr, KBlockSize, aStatus[i]);
+		r = aStatus[i].Int();
+		if (r != KErrNone && r != KRequestPending)
+			{
+			test.Printf(_L("Write %d returned %d\n"), i, r);
+			test(0);
+			}
+		i++;
+
+		j += KBlockSize;	
+		}					
+	test.Close();
+	}
+
+/**  Read a file asynchronously in blocks of aBlockSize size
+
+	@param aFs			RFs object
+	@param aFileRead	RFile object, needs to exist beyond the scope of this function
+	@param aFile		File name
+	@param aFileSize		Size of the file in bytes
+	@param aBlockSize	Size of the blocks to be used in bytes
+	@param aStatus		TRequestStatus array for all the requests
+	@param aMode		Specifies the mode in which the file should be openned
+	
+	@return KErrNone
+*/
+TInt ReadFileAsync(RFs& aFs,RFile& aFileRead, TDes16& aFile, TInt aFileSize, TInt aBlockSize,TRequestStatus aStatus[],  TInt aMode) 
+	{
+	RTest test(_L("T_WCACHE"));
+
+	TInt r = 0;
+	TInt size = 0;
+	
+	test(aBlockSize > 0);			
+	
+
+	r = aFileRead.Open(aFs,aFile, aMode); 
+	test_KErrNone(r);
+	
+	r = aFileRead.Size(size);
+	test_KErrNone(r);
+
+	test.Printf(_L("size of the file %d\n"), size/KOneK);
+	test(size == aFileSize);
+	
+	TInt j = 0, i = 0;
+	while(j < size) 
+		{
+		aFileRead.Read(gBufReadPtr, aBlockSize, aStatus[i]);
+		r = aStatus[i].Int();
+		if (r != KErrNone && r != KRequestPending)
+			{
+			test.Printf(_L("Read %d returned %d\n"), i, r);
+			test(0);
+			}
+		i++;
+
+		j += aBlockSize;
+		}					
+
+	test.Close();
+	return KErrNone;	
+	}
+
+/** Measure the time taken for this file to be written synchronously
+
+	@param aFile 	 	File object
+	@param aFileName 	File Name
+	@param aSize 		Size in kilobytes
+	@param aBlockSize 	Size of the block
+	@param aMode 		Mode in which the file is going to be opened
+	
+	@return time taken to perform the operation in uS
+*/
+TInt WriteTestFile(RFile& aFile, TDes16& aFileName, TInt aSize, TInt aBlockSize, TInt aMode) 
+	{
+	RTest test(_L("T_WCACHE"));
+
+	TTime startTime;
+	TTime endTime;
+	TInt r = 0;
+	
+	startTime.HomeTime();
+	
+	r = WriteFile(gTheFs,aFile, aFileName , aSize * KOneK, aBlockSize, gBufWritePtr, aMode);
+	test_KErrNone(r);
+	
+	endTime.HomeTime();
+	
+	gTimeTakenBigFile = I64LOW(endTime.MicroSecondsFrom(startTime).Int64());
+	
+	test.Close();
+	return I64LOW(gTimeTakenBigFile.Int64());
+	}
+
+/** Measure the time taken for this file to be read synchronously
+
+	@param aFile 	 	File object
+	@param aFileName 	File Name
+	@param aSize 		Size in kilobytes
+	@param aBlockSize 	Size of the block
+	@param aMode 		Mode in which the file is going to be opened
+
+	@return time taken to perform the operation in uS
+
+*/
+TInt ReadTestFile(RFile& aFile, TDes16& aFileName, TInt aSize, TInt aBlockSize, TInt aMode) 
+	{
+	TTime startTime;
+	TTime endTime;
+	
+	startTime.HomeTime();
+	ReadFile(gTheFs,aFile, aFileName, aSize * KOneK, aBlockSize, aMode);
+	endTime.HomeTime();
+	
+	gTimeTakenBigFile = I64LOW(endTime.MicroSecondsFrom(startTime).Int64());
+	
+	return I64LOW(gTimeTakenBigFile.Int64()) ;
+	}
+
+/** Read asynchronously the test file from the disc
+
+	@param aFile 	 	File object
+	@param aFileName 	File Name
+	@param aSize 		Size in kilobytes
+	@param aBlockSize 	Size of the block
+	@param aMode 		Mode in which the file is going to be opened
+
+	@return time taken to perform the operation in uS
+*/
+TInt ReadAsyncTestFile(RFile& file, TDes16& aFile, TInt aSize, TInt aBlockSize, TInt aMode) 
+	{
+	TTime startTime;
+	TTime endTime;
+	TRequestStatus status[KWaitRequestsTableSize];
+	
+	startTime.HomeTime();
+	
+	ReadFileAsync(gTheFs, file, aFile, aSize * KOneK, aBlockSize, status, aMode);
+	WaitForAll(status,  (aSize * KOneK)/KBlockSize);
+	
+	endTime.HomeTime();
+	
+	gTimeTakenBigFile = I64LOW(endTime.MicroSecondsFrom(startTime).Int64());
+	
+	return I64LOW(gTimeTakenBigFile.Int64());
+	}
+
+/** Read asynchronously the test file from the disc
+
+	@param aFile 	 	File object
+	@param aFileName 	File Name
+	@param aSize 		Size in kilobytes
+	@param aMode 		Mode in which the file is going to be opened
+
+	@return time taken to perform the operation in uS
+*/
+TInt WriteAsyncTestFile(RFile& aFile, TDes16& aFileName, TInt aSize, TInt aMode) 
+	{
+	TTime startTime;
+	TTime endTime;
+	TRequestStatus status[KWaitRequestsTableSize];
+	
+	startTime.HomeTime();
+	
+	WriteFileAsync(gTheFs, aFile, aFileName, aSize * KOneK, aMode, status );
+	WaitForAll(status, (aSize * KOneK)/KBlockSize);
+	
+	endTime.HomeTime();
+	
+	gTimeTakenBigFile = I64LOW(endTime.MicroSecondsFrom(startTime).Int64());
+	
+	return I64LOW(gTimeTakenBigFile.Int64());
+	}
+
+/**  Test Boundaries
+
+	This function is testing the behaviour on the boundaries of the write cache size
+*/
+void TestBoundaries()
+	{
+	TInt r = 0;
+	TInt time = 0;
+	TInt rtime = 0;
+	TInt tcreate = 0;
+	RFile fileWriter;
+	RFile fileWriter2;
+	RFile fileReader;
+
+	test.Start(_L("Test Boundaries"));
+	
+	// Test boundaries from 254K to 256K, synchronous operations 
+	TInt i = KMinSize;
+	
+	
+	test.Printf(_L("\n\n\n"));
+	
+	while(i < KMaxSize) 
+		{
+		test.Printf(_L("\nSync: Write from 1 K to %d K \n"), i); 
+
+		tcreate = WriteTestFile(fileWriter, gSecondFile, i, KBlockSize, EFileShareAny|EFileWrite|EFileWriteDirectIO);
+		test.Printf(_L("Time to write %d K without caching: %d mS\n"), i, tcreate/KMs);	
+		fileWriter.Close();
+
+		time =  WriteTestFile(fileWriter2, gFirstFile, i, KBlockSize, EFileShareAny|EFileWrite|EFileWriteBuffered);
+		test.Printf(_L("Time to write %d K WITH caching: %d mS\n"), i, time/KMs);
+
+		rtime = ReadTestFile(fileReader, gFirstFile, i, KBlockSize, EFileShareAny|EFileRead|EFileReadBuffered);
+		test.Printf(_L("Time to read %d K from the cache: %d mS\n"), i, rtime/KMs);
+
+
+		fileReader.Close();	
+		fileWriter2.Close();
+		
+		#if !defined(__WINS__)
+			test((tcreate > time) || (tcreate > rtime)); 
+		#endif
+
+		r = gTheFs.Delete(gFirstFile);
+		test_KErrNone(r);
+		r = gTheFs.Delete(gSecondFile);
+		test_KErrNone(r);
+		
+		i++;
+		}
+
+	test.Printf(_L("\n\n\n"));
+	
+	// Test boundaries from 254K to 256K, asynchronous operations 
+	i = KMinSize;
+	
+	while(i < KMaxSize) 
+		{
+		test.Printf(_L("\nAsync: Write from 1 K to %d K \n"), i); 
+
+		tcreate = WriteAsyncTestFile(fileWriter, gSecondFile, i, EFileShareAny|EFileWrite|EFileWriteDirectIO);
+		test.Printf(_L("Time to write %d K without caching: %d mS\n"), i, tcreate/KMs);	
+		fileWriter.Close();
+
+		time =  WriteAsyncTestFile(fileWriter2, gFirstFile, i,EFileShareAny|EFileWrite|EFileWriteBuffered);
+		test.Printf(_L("Time to write %d K WITH caching: %d mS\n"), i, time/KMs);
+
+
+		rtime = ReadAsyncTestFile(fileReader, gFirstFile, i, KBlockSize, EFileShareAny|EFileRead|EFileReadBuffered);
+		test.Printf(_L("Time to read %d K from the cache: %d mS\n"), i, rtime/KMs);
+
+		fileReader.Close();	
+		fileWriter2.Close();
+		
+		#if !defined(__WINS__)
+			test((tcreate > time) || (tcreate > rtime));  
+		#endif
+
+		r = gTheFs.Delete(gFirstFile);
+		test_KErrNone(r);
+		r = gTheFs.Delete(gSecondFile);
+		test_KErrNone(r);
+		
+		i++;
+		}
+
+	test.End();
+	}
+
+/**  Test negative cases
+
+*/
+void TestNegative()
+	{
+	TInt r = 0;
+	RFile file;
+	TInt size =0;
+		
+	TBuf<20> buf = _L("Write File");
+
+
+	test.Start(_L("Test Negative"));
+
+	test.Next(_L("Kill a simple operation"));
+	
+	r = gThread1.Create(buf,WriteFileT,KDefaultStackSize,KHeapSize,KMaxHeapSize,NULL);
+	test_KErrNone(r);
+
+	gThread1.Resume();
+	gClient.Wait();
+
+	gThread1.Kill(KErrGeneral);
+
+	r = file.Open(gTheFs,gFirstFile,EFileShareAny|EFileRead|EFileReadBuffered|EFileReadAheadOff);
+	test_KErrNone(r);
+
+	r = file.Size(size);
+	test_KErrNone(r);
+	
+	test.Printf(_L("The size of the file is %d KB\n\n"), size/KOneK);
+	test(size == (KMinSize * KOneK));
+	
+	file.Close();
+
+	test.End();
+	}
+
+
+/** Read the file verifying content
+
+	@param aFile file name to verify 
+	
+	@return returns the time that took to do the verification in mS, fails if the file is not corrupted/modified
+*/
+TInt ReadTestFileVerif(TDes16& aFile)
+	{
+	TTime startTime;
+	TTime endTime;
+	TInt r = 0;
+	TInt size = 0;
+	RFile fileRead;
+	TInt corrupt = 0;
+	TBool isFat=IsFSFAT(gTheFs,gDrive);
+	
+	startTime.HomeTime();
+	
+	r = fileRead.Open(gTheFs,aFile,EFileShareAny|EFileRead|EFileReadBuffered|EFileReadAheadOff);
+	test_KErrNone(r);
+
+	r = fileRead.Size(size);
+	test_KErrNone(r);
+	
+	TInt j = 0;
+	
+	while(j < size) 
+		{
+			r = fileRead.Read(gBufReadPtr, KBlockSize);
+			if(isFat)
+			{
+				test_KErrNone(r);
+			}
+			else 
+			{
+			if(r == KErrCorrupt) 
+				corrupt++;
+			}
+			
+			j += KBlockSize;
+			r = VerifyBuffer(gBufReadPtr);
+			if(r == KErrCorrupt) 
+				corrupt++;
+		}					
+
+	fileRead.Close();
+	
+	test(corrupt>0); // Ensure the cache returns the changed content 
+	
+	endTime.HomeTime();
+	
+	gTimeTakenBigFile = I64LOW(endTime.MicroSecondsFrom(startTime).Int64());
+	
+	return I64LOW(gTimeTakenBigFile.Int64()) / KMs;
+	}
+
+/**  Modifies the second file
+
+*/
+LOCAL_C TInt CorruptSecondFile()
+	{
+	TInt r = 0;
+	RFile fileWrite;
+	HBufC8* dummy = NULL;
+	TPtr8 dummyPtr(NULL, 0);	
+
+	TRAPD(res,dummy = HBufC8::NewL(4));
+	test(res == KErrNone && dummy != NULL);
+		
+	dummyPtr.Set(dummy->Des());
+	FillBuffer(dummyPtr, 4, '1');
+
+	r = fileWrite.Open(gTheFs,gSecondFile,EFileShareAny|EFileWrite|EFileWriteBuffered);
+	if(r != KErrNone) 
+		return r;
+	TInt pos = 30;
+	r = fileWrite.Seek(ESeekStart,pos);
+	test_KErrNone(r);
+	
+	r = fileWrite.Write(dummyPtr);
+	if(r != KErrNone) 
+		return r;
+	
+	fileWrite.Close();
+
+	delete dummy;
+
+	return KErrNone;
+	}
+
+
+/** Integrity testing
+
+*/
+LOCAL_C void TestIntegrity()
+	{
+	TInt r = 0;
+	TInt time;
+	TInt tcreate = 0;
+	RFile file;
+	
+	// Modify file in some position 
+	test.Printf(_L("Overwrite partially a file\n"));
+	
+	test.Printf(_L("\nSync: Write from 1 K to %d K \n"), 255); 
+
+	tcreate = WriteTestFile(file, gSecondFile, 255, KBlockSize, EFileShareAny|EFileWrite|EFileWriteBuffered);
+	test.Printf(_L("Time to write %d K with caching: %d mS\n"), 255, tcreate/KMs);	
+	file.Close();
+
+	test.Printf(_L("Mess the content that is still in the cache\n"));
+	CorruptSecondFile(); 
+	
+	time = ReadTestFileVerif(gSecondFile);	
+	test.Printf(_L("Time taken to verify: %d\n"),time);
+	
+	test.Printf(_L("Integrity verified\n"));
+
+	r = DeleteAllL(gSessionPath);
+	test_KErrNone(r);
+	}
+
+/**  Creates the files to fill the cache with dirty data
+	
+	@return KErrNone
+*/
+TInt CreateFilesThread(TAny *)
+	{
+	TInt i = 0;
+	TInt r = 0;
+	TBuf16<50> directory;
+	
+	TBuf16<50> path;
+	TBuf16<50> buffer(50); 	
+	RFile file[KFilesNeededToFillCache];
+	
+	RTest test(_L("T_WCACHE2"));
+	RFs fs;
+	
+	fs.Connect();
+	
+	directory = gSessionPath;
+	
+	test.Printf(_L("Creating %d files for filling the cache (size %d)\n"), KFilesNeededToFillCache, KDefaultCacheSize);
+
+	// create a big buffer to speed things up
+	HBufC8* bigBuf = NULL;
+	TInt KBigBifferSize = 32 * KOneK;
+	
+	TRAPD(res,bigBuf = HBufC8::NewL(KBigBifferSize));
+	test(res == KErrNone && bigBuf != NULL);
+		
+	TPtr8 bigBufWritePtr(NULL, 0);	
+	bigBufWritePtr.Set(bigBuf->Des());
+	FillBuffer(bigBufWritePtr, KBigBifferSize, 'A');
+	
+	i = 0;		
+	while(i < KFilesNeededToFillCache) 
+		{
+		if (i % 10 == 0)
+			test.Printf(_L("Creating file %d of %d...\r"), i, KFilesNeededToFillCache);
+		FileNameGen(buffer, 8, i+3) ;
+		path = directory;
+		path.Append(buffer);
+
+		r = file[i].Create(fs,path,EFileShareAny|EFileWrite|EFileWriteBuffered);
+		if(r == KErrAlreadyExists) 
+			r = file[i].Open(fs,path,EFileShareAny|EFileWrite|EFileWriteBuffered);
+		test_KErrNone(r);
+		TInt j = 0;
+	
+		while(j < KDefaultCacheSize)
+			{
+			bigBufWritePtr.SetLength(Min(KBigBifferSize, KDefaultCacheSize - j));
+			
+			r = file[i].Write(bigBufWritePtr);
+			test_KErrNone(r);
+			j += bigBufWritePtr.Length();
+			}					
+
+		// Not closing the files is done on purpose, as part of the test
+
+		i++;
+		}
+	test.Printf(_L("\nFiles created\n"));
+	delete bigBuf;
+	
+	gClient.Signal();
+	
+	return KErrNone;
+	}
+
+
+/**  Creates the files to fill the read cache 
+
+	@param aFiles 	 Number of files needed to fill the cache
+	@param aFileSize The file size
+*/
+void CreateFiles(TInt aFiles, TInt aFileSize)
+	{
+	TInt i = 0;
+	TInt r = 0;
+	RFile file;
+	TBuf16<50> directory;
+	
+	TBuf16<50> path;
+	TBuf16<50> buffer(50); 	
+	
+	directory = gSessionPath;
+	
+	test.Printf(_L("Creating %d files for filling the cache (size %d)\n"), aFiles, aFileSize);
+
+	// create a big buffer to speed things up
+	HBufC8* bigBuf = NULL;
+	const TInt KBigBifferSize = 32 * 1024;
+	TRAPD(res,bigBuf = HBufC8::NewL(KBigBifferSize));
+	test(res == KErrNone && bigBuf != NULL);
+		
+	TPtr8 bigBufWritePtr(NULL, 0);	
+	bigBufWritePtr.Set(bigBuf->Des());
+	FillBuffer(bigBufWritePtr, KBigBifferSize, 'A');
+	
+	i = 0;		
+	while(i < aFiles) 
+		{
+		if (i % 10 == 0)
+			test.Printf(_L("Creating file %d of %d...\r"), i, aFiles);
+		FileNameGen(buffer, 8, i+3) ;
+		path = directory;
+		path.Append(buffer);
+
+		// delete file first to ensure it's contents are not in the cache (file may be be on the closed file queue)
+		r = gTheFs.Delete(path);
+		test_Value(r, r == KErrNone || r == KErrNotFound);
+
+		r = file.Create(gTheFs,path,EFileShareAny|EFileWrite|EFileWriteDirectIO);
+		if(r == KErrAlreadyExists) 
+			r = file.Open(gTheFs,path,EFileShareAny|EFileWrite|EFileWriteDirectIO);
+		test_KErrNone(r);
+		TInt j = 0;
+		while(j < aFileSize)
+			{
+			bigBufWritePtr.SetLength(Min(KBigBifferSize, aFileSize - j));
+			r = file.Write(bigBufWritePtr);
+			test_KErrNone(r);
+			j += bigBufWritePtr.Length();
+			}					
+
+		file.Close();
+		i++;
+		}
+	test.Printf(_L("\nFiles created\n"));
+	delete bigBuf;
+	}
+
+/**  Fills the read cache 
+
+	@param aFile	 Array of files needed to fill the cache
+	@param aFiles 	 Number of files needed to fill the cache
+	@param aFileSize The file size
+*/
+void FillCache(RFile aFile[KFilesNeededToFillCache], TInt aFiles, TInt aFileSize)
+	{
+	TInt i = 0;
+	TInt r = 0;
+	TBuf16<50> directory;
+	
+	TBuf16<50> path;
+	TBuf16<50> buffer(50); 	
+	HBufC8* buf = NULL;
+	TPtr8 bufPtr(NULL, 0);	
+	
+	TRAPD(res,buf = HBufC8::NewL(2));
+	test(res == KErrNone && buf != NULL);
+	bufPtr.Set(buf->Des());
+	
+	directory = gSessionPath;
+	
+	i = 0;		
+	while(i < aFiles) 
+	{
+		FileNameGen(buffer, 8, i+3) ;
+		path = directory;
+		path.Append(buffer);
+		r = aFile[i].Open(gTheFs,path,EFileShareAny|EFileRead|EFileReadBuffered|EFileReadAheadOff);
+		test_KErrNone(r);
+		
+		TInt j = 0;
+		while(j < aFileSize)
+			{
+				r = aFile[i].Read(j,bufPtr);
+				test_KErrNone(r);
+				j += 4*KOneK;
+			}					
+
+		i++;
+	}
+	
+	delete buf;
+	test.Printf(_L("Cache filled\n"));
+	}
+
+/** Fills the default cache
+
+*/
+void TestFillCache()
+	{	
+	TInt nFiles = KFilesNeededToFillCache;
+	TInt fSize = KDefaultCacheSize;
+	RFile file[KFilesNeededToFillCache];
+	TInt r = 0;
+	
+	if(gMediaSize> ((fSize * nFiles)+gSecondFileSize+gFirstFileSize))
+		{
+		test.Start(_L("Creating files for filling the cache\n"));
+		CreateFiles(nFiles,fSize);
+#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
+		// get number of items on Page Cache
+		TFileCacheStats startPageCacheStats;
+		r = controlIo(gTheFs,gDrive, KControlIoFileCacheStats, startPageCacheStats);
+		test_Value(r, r == KErrNone || r == KErrNotSupported);
+		test.Printf(_L("Number of page cache lines on free list at beginning=%d\n"),startPageCacheStats.iFreeCount);
+		test.Printf(_L("Number of page cache lines on used list at beginning=%d\n"),startPageCacheStats.iUsedCount);
+		test.Printf(_L("Number of files on closed queue=%d\n"),startPageCacheStats.iFilesOnClosedQueue);
+#endif
+		FillCache(file,nFiles,fSize); 
+
+#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
+		// get number of items on Page Cache
+		r = controlIo(gTheFs,gDrive, KControlIoFileCacheStats, startPageCacheStats);
+		test_Value(r, r == KErrNone || r == KErrNotSupported);
+		test.Printf(_L("Number of page cache lines on free list at end=%d\n"),startPageCacheStats.iFreeCount);
+		test.Printf(_L("Number of page cache lines on used list at end=%d\n"),startPageCacheStats.iUsedCount);
+		test.Printf(_L("Number of files on closed queue=%d\n"),startPageCacheStats.iFilesOnClosedQueue);
+#endif
+
+	TestBoundaries();
+	
+#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
+		// get number of items on Page Cache
+		r = controlIo(gTheFs,gDrive, KControlIoFileCacheStats, startPageCacheStats);
+		test_Value(r, r == KErrNone || r == KErrNotSupported);
+		test.Printf(_L("Number of page cache lines on free list after the boundary testing=%d\n"),startPageCacheStats.iFreeCount);
+		test.Printf(_L("Number of page cache lines on used list after the boundary testing=%d\n"),startPageCacheStats.iUsedCount);
+		test.Printf(_L("Number of files on closed queue=%d\n"),startPageCacheStats.iFilesOnClosedQueue);
+#endif
+
+		TInt i = 0;
+		while( i < KFilesNeededToFillCache )
+			{
+			file[i++].Close();
+			}
+			
+		r = DeleteAllL(gSessionPath);
+		test_KErrNone(r);
+
+		test.End();
+		}
+	else 
+		test.Printf(_L("Skipping the fill of the cache due to lack of space in the current drive\n"));
+	}
+
+/** Fills the cache and generate error situations
+
+*/
+void TestFillCacheNegative()
+	{	
+	TInt nFiles = KFilesNeededToFillCache;
+	TInt r = 0;
+
+	if(gMediaSize> ((KDefaultCacheSize * nFiles)+gSecondFileSize+gFirstFileSize))
+		{
+#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
+		// get number of items on Page Cache
+		TFileCacheStats startPageCacheStats;
+		r = controlIo(gTheFs,gDrive, KControlIoFileCacheStats, startPageCacheStats);
+		test_Value(r, r == KErrNone || r == KErrNotSupported);
+		test.Printf(_L("Number of page cache lines on free list at beginning=%d\n"),startPageCacheStats.iFreeCount);
+		test.Printf(_L("Number of page cache lines on used list at beginning=%d\n"),startPageCacheStats.iUsedCount);
+		test.Printf(_L("Number of files on closed queue=%d\n"),startPageCacheStats.iFilesOnClosedQueue);
+#endif
+	test.Start(_L("Creating files for filling the cache, with uncommitted data\n"));
+	
+	TBuf<20> buf = _L("FillCache");
+	
+	 r = gThread1.Create(buf,CreateFilesThread,KDefaultStackSize,KHeapSize,KMaxHeapSize,NULL);
+	test_KErrNone(r);
+
+	gThread1.Resume();
+	gClient.Wait();
+
+#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
+		// get number of items on Page Cache
+		r = controlIo(gTheFs,gDrive, KControlIoFileCacheStats, startPageCacheStats);
+		test_Value(r, r == KErrNone || r == KErrNotSupported);
+		test.Printf(_L("Number of page cache lines on free list at end=%d\n"),startPageCacheStats.iFreeCount);
+		test.Printf(_L("Number of page cache lines on used list at end=%d\n"),startPageCacheStats.iUsedCount);
+		test.Printf(_L("Number of files on closed queue=%d\n"),startPageCacheStats.iFilesOnClosedQueue);
+#endif
+
+	TestBoundaries();
+	
+#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
+		// get number of items on Page Cache
+		r = controlIo(gTheFs,gDrive, KControlIoFileCacheStats, startPageCacheStats);
+		test_Value(r, r == KErrNone || r == KErrNotSupported);
+		test.Printf(_L("Number of page cache lines on free list after the boundary testing=%d\n"),startPageCacheStats.iFreeCount);
+		test.Printf(_L("Number of page cache lines on used list after the boundary testing=%d\n"),startPageCacheStats.iUsedCount);
+		test.Printf(_L("Number of files on closed queue=%d\n"),startPageCacheStats.iFilesOnClosedQueue);
+		
+		User::After(180000);
+
+		r = controlIo(gTheFs,gDrive, KControlIoFileCacheStats, startPageCacheStats);
+		test_Value(r, r == KErrNone || r == KErrNotSupported);
+		test.Printf(_L("Number of page cache lines on free list after the boundary testing=%d\n"),startPageCacheStats.iFreeCount);
+		test.Printf(_L("Number of page cache lines on used list after the boundary testing=%d\n"),startPageCacheStats.iUsedCount);
+		test.Printf(_L("Number of files on closed queue=%d\n"),startPageCacheStats.iFilesOnClosedQueue);
+
+#endif
+		test.End();
+		
+		r = DeleteAllL(gSessionPath);
+		test_KErrNone(r);
+
+		}
+	else 
+		test.Printf(_L("Skipping the fill of the cache due to lack of space in the current drive\n"));
+	}
+
+
+/** Manual test for card removal
+
+*/
+void TestRemoval()
+	{	
+	TInt time = 0, rtime = 0;
+	RFile file1, file2;
+	
+		 	
+	TInt r = gClient.CreateLocal(0);
+ 	test_KErrNone(r);
+ 	
+	r = gTheFs.SetSessionPath(gSessionPath);
+	test_KErrNone(r);
+	
+	r = gTheFs.MkDirAll(gSessionPath);
+	test_Value(r, r == KErrNone || r == KErrAlreadyExists);
+
+#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
+	test.Printf(_L("Disabling Lock Fail simulation ...\n"));
+	// turn OFF lock failure mode
+	TBool simulatelockFailureMode = EFalse;
+	r = controlIo(gTheFs, gDrive, KControlIoSimulateLockFailureMode, simulatelockFailureMode);
+	test_KErrNone(r);
+#endif
+
+	TBuf16<45> dir;
+		
+	// FileNames/File generation
+	test.Start(_L("Preparing the environmnet\n"));
+	FileNameGen(gFirstFile, 8, gNextFile++);
+	FileNameGen(gSecondFile, 8, gNextFile++);
+	dir = gSessionPath;
+	dir.Append(gFirstFile);
+	gFirstFile = dir;
+	dir = gSessionPath;
+	dir.Append(gSecondFile);
+	gSecondFile = dir;
+
+
+	TRAPD(res,gBuf = HBufC8::NewL(KBlockSize+1));
+	test(res == KErrNone && gBuf != NULL);
+		
+	gBufWritePtr.Set(gBuf->Des());
+	FillBuffer(gBufWritePtr, KBlockSize, 'A');
+	
+	TRAPD(res2,gBufSec = HBufC8::NewL(KBlockSize+1));
+	test(res2 == KErrNone && gBufSec != NULL);
+	gBufReadPtr.Set(gBufSec->Des());
+
+	
+	test.Printf(_L("\nSync: Write from 1 K to 254 K \n")); 
+
+	time =  WriteTestFile(file1, gSecondFile, KMinSize, KBlockSize, EFileShareAny|EFileWrite|EFileWriteBuffered);
+	test.Printf(_L("Time to write %d K WITH caching: %d mS\n"), KMinSize, time/KMs);
+	test.Printf(_L("Remove MMC card,! and then press a key\n"));
+	test.Getch();
+
+	test.Printf(_L("Wait 3 seconds and insert MMC card! and then press a key\n"));
+	test.Getch();
+
+	rtime = ReadTestFile(file2, gSecondFile, KMinSize, KBlockSize, EFileShareAny|EFileRead|EFileReadBuffered);
+	test.Printf(_L("Time to read %d K from the cache: %d mS\n"), KMinSize, rtime/KMs);
+
+	test.Printf(_L("Remove MMC card! and then press a key\n"));
+	test.Getch();
+
+	test.Printf(_L("Wait 3 seconds and insert MMC card! and then press a key\n"));
+	test.Getch();
+
+
+	test.Printf(_L("\nSync: Write from 1 K to 255 K \n")); 
+
+	time =  WriteTestFile(file1, gFirstFile, KMinSize + 1 , KBlockSize, EFileShareAny|EFileWrite|EFileWriteBuffered);
+	test.Printf(_L("Time to write %d K WITH caching: %d mS\n"), KMinSize + 1, time/KMs);
+	test.Printf(_L("Remove MMC card and delete the file //F32-TST//FFFFFFF0.TXT and then press a key\n"));
+	test.Getch();
+
+	test.Printf(_L("Wait 3 seconds and insert MMC card! and then press a key\n"));
+	test.Getch();
+
+	rtime = ReadTestFile(file2, gFirstFile, KMinSize + 1, KBlockSize, EFileShareAny|EFileRead|EFileReadBuffered);
+	test.Printf(_L("Time to read %d K from the cache: %d mS\n"), KMinSize + 1, rtime/KMs);
+
+	test.Printf(_L("Remove MMC card! and then press a key\n"));
+	test.Getch();
+
+	test.Printf(_L("Wait 3 seconds and insert MMC card! and then press a key\n"));
+	test.Getch();
+	
+		
+	file1.Close();	
+	file2.Close();
+	delete gBuf;
+	delete gBufSec;
+	}
+
+
+/** Main tests function
+*/ 
+void CallTestsL()
+	{
+	
+#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
+	test.Printf(_L("Disabling Lock Fail simulation ...\n"));
+	// turn OFF lock failure mode
+	TBool simulatelockFailureMode = EFalse;
+	TInt r = controlIo(gTheFs, gDrive, KControlIoSimulateLockFailureMode, simulatelockFailureMode);
+	test_KErrNone(r);
+#endif
+
+	TBuf16<45> dir;
+		
+	// FileNames/File generation
+	test.Start(_L("Preparing the environmnet\n"));
+	FileNameGen(gFirstFile, 8, gNextFile++);
+	FileNameGen(gSecondFile, 8, gNextFile++);
+	dir = gSessionPath;
+	dir.Append(gFirstFile);
+	gFirstFile = dir;
+	dir = gSessionPath;
+	dir.Append(gSecondFile);
+	gSecondFile = dir;
+
+
+	TRAPD(res,gBuf = HBufC8::NewL(KBlockSize+1));
+	test(res == KErrNone && gBuf != NULL);
+		
+	gBufWritePtr.Set(gBuf->Des());
+	FillBuffer(gBufWritePtr, KBlockSize, 'A');
+	
+	TRAPD(res2,gBufSec = HBufC8::NewL(KBlockSize+1));
+	test(res2 == KErrNone && gBufSec != NULL);
+	gBufReadPtr.Set(gBufSec->Des());
+
+	test.Next(_L("Boundary test"));
+	TestBoundaries();
+	
+	test.Next(_L("Negative test\n"));
+	TestNegative(); 
+
+	test.Next(_L("Integrity test\n"));
+	TestIntegrity(); 
+	
+
+	test.Next(_L("Fill the cache, boundary testing\n"));
+	TestFillCache();
+	
+	test.Next(_L("Fill the cache negative, boundary testing\n"));
+	TestFillCacheNegative();
+	
+	test.End();
+	delete gBuf;
+	delete gBufSec;
+
+#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
+	// turn lock failure mode back ON (if enabled)
+	simulatelockFailureMode = ETrue;
+	r = controlIo(gTheFs, gDrive, KControlIoSimulateLockFailureMode, simulatelockFailureMode);
+	test_KErrNone(r);
+#endif
+
+	}
+
+/** Initialises semaphores and call the tests
+*/ 
+void DoTests()
+	{
+	TInt r = 0;
+	 	
+	r = gClient.CreateLocal(0);
+ 	test_KErrNone(r);
+ 	
+	r = gTheFs.SetSessionPath(gSessionPath);
+	test_KErrNone(r);
+	
+	r = gTheFs.MkDirAll(gSessionPath);
+	test_Value(r, r == KErrNone || r == KErrAlreadyExists);
+	gTheFs.ResourceCountMarkStart();
+	
+	TRAP(r,CallTestsL());
+	
+	test_KErrNone(r);
+	gTheFs.ResourceCountMarkEnd();
+	}
+
+/** Determines the space that can be used for the files
+
+*/
+TBool CheckForDiskSize()
+	{
+	TVolumeInfo volInfo;
+	TInt r = gTheFs.Volume(volInfo, gDrive);
+	test_KErrNone(r);
+	gMediaSize = volInfo.iSize;
+	
+	test.Printf(_L("\nMedia size: %d MB\n"), gMediaSize/KOneMeg  );
+	
+	return ETrue;
+	}
+
+/** Main function
+
+	@return KErrNone if everything was ok, panics otherwise
+*/
+TInt E32Main()
+	{
+	RThread t;
+	gMainThreadId = t.Id();
+	
+	CTrapCleanup* cleanup;
+	cleanup = CTrapCleanup::New();
+
+	__UHEAP_MARK;
+	test.Start(_L("Starting tests... T_WCACHE"));
+	parseCommandLine();
+	
+	TInt r = gTheFs.Connect();
+	test_KErrNone(r);
+	
+	TDriveInfo info;
+	TVolumeInfo volInfo;
+	r = gTheFs.Drive(info,gDrive);
+	test_KErrNone(r);
+	
+	if(info.iMediaAtt&KMediaAttVariableSize)
+		{
+		test.Printf(_L("Tests skipped in RAM drive\n"));
+		goto out;
+		}
+
+	r = gTheFs.Volume(volInfo, gDrive);
+	if (r == KErrNotReady)
+		{
+		if (info.iType == EMediaNotPresent)
+			test.Printf(_L("%c: Medium not present - cannot perform test.\n"), (TUint)gDriveToTest);
+		else
+			test.Printf(_L("%c: medium found (type %d) but drive not ready\nPrevious test may have hung; else, check hardware.\n"), (TUint)gDriveToTest, (TInt)info.iType);
+		}
+	else if (r == KErrCorrupt)
+		{
+		test.Printf(_L("%c: Media corruption; previous test may have aborted; else, check hardware\n"), (TUint)gDriveToTest);
+		}
+	test_KErrNone(r);	
+
+	if(!(volInfo.iFileCacheFlags & (EFileCacheReadEnabled | EFileCacheReadAheadEnabled))) 
+		{
+		test.Printf(_L("Skipping tests, Read caching not enabled in this drive\n"));
+		goto out;
+		}
+
+	if (((volInfo.iDrive.iMediaAtt & KMediaAttFormattable)))
+		Formatting(gDrive,ESpecialFormat);
+
+	if(!CheckForDiskSize())
+		{
+		test.Printf(_L("Skipping tests due to lack of space to perform them in this drive\n"));
+		}
+	else if(!gManual)
+		{
+		DoTests();
+		}
+	else
+		{
+		TestRemoval();
+		}
+
+out:	
+	test.End();
+
+	gTheFs.Close();
+	test.Close();
+
+	__UHEAP_MARKEND;
+	delete cleanup;
+	return(KErrNone);
+    }
+