// 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:

 // N.B. Before running this test on WINS, ensure that the estart.txt file contains 

 // nothing but  EFAT32 i.e. no EFAT - otherwise the FAT16 file system will be used

 // On target ensure that the FAT32 filesystem is in the ROM instead of the FAT16 file system

 // This test expects the following files to be present before running the test:

 // size			name

 // 2147483647	\F32-TST\File2GBMinusOne.txt

 // 2147483648	\F32-TST\File2GB.txt

 // 3221225472	\F32-TST\File3GB.txt

 // 4294967295	\F32-TST\File4GBMinusOne.txt	// may be absent on an 8GB disk

 // For verification purposes, Every 4 bytes of each file contains the current position, e.g.

 // 0000: 00 00 00 00 

 // 0004: 04 00 00 00

 // 0008: 08 00 00 00

 // .. etc

 // These files can be created using the BigFileWriter tool in f32test/tool

 // If this test is run on the emulator and the __MOUNT_RAW_EXT__ macro is defined (see below) then

 // the T_RAWEXT file system extension will be loaded; this extension allows reading and writing to 

 // a windows disk in "raw" format, thus allowing direct access to a windows disk. see f32test/ext/t_rawext

 // for more details.

 // 

 //

 #include <f32file.h>

 #include <e32test.h>

 #include <e32svr.h>

 #include "t_server.h"

 GLDEF_D RTest test(_L("T_BIGFILE"));

 #ifdef __WINS__

 // enable this macro to mount the RAWEXT.FXT file system extension to test on a particular windows drive

 #define __MOUNT_RAW_EXT__

 #endif

 #ifdef __MOUNT_RAW_EXT__

 _LIT(KExtName,"RAWEXT");

 _LIT(KFAT32FName,"EFAT32");

 _LIT(KFATName,"FAT");

 TFullName gOldFsName;

 #endif

 TInt gDrive;

 TBool gNTFS=EFalse;

 const TUint K1Kb = 1 << 10;

 //const TUint K1Mb = 1 << 20;

 const TUint K1Gb = 1 << 30;

 const TUint K2Gb = 0x80000000;

 const TUint K2GbMinusOne = 0x7FFFFFFF;

 const TUint K3Gb = 0xC0000000;

 const TUint K4GbMinusOne = 0xFFFFFFFF;

 const TUint KPosMask     = 0xFFFFFFFC;

 //const TUint KBigFileSizeSigned = KMaxTInt32;		// 2Gb -1

 //const TUint KBigFileSizeUnsigned = KMaxTUint32;	// 4Gb -1

 const TInt KBufSize = (256 * K1Kb);

 HBufC8* gBuf = NULL;

 TPtr8 gBufPtr(NULL, 0, 0);

 _LIT(KFile2GBMinusOne, "File2GBMinusOne.txt");

 _LIT(KFile2GB, "File2GB.txt");

 _LIT(KFile3GB, "File3GB.txt");

 _LIT(KFile4GBMinusOne, "File4GBMinusOne.txt");

 TInt gFilesInDirectory = 4;

 // return ETrue if the specifiled file is present

 TBool FilePresent(const TDesC& aFileName)

 	{

 	TEntry entry;

 	TInt r = TheFs.Entry(aFileName, entry);

 	return (r == KErrNone ? (TBool)ETrue : (TBool)EFalse);

 	}

 class CFileManObserver : public CBase, public MFileManObserver

 	{

 public:

 	CFileManObserver(CFileMan* aFileMan);

 	TControl NotifyFileManStarted();

 	TControl NotifyFileManOperation();

 	TControl NotifyFileManEnded();

 private:

 	CFileMan* iFileMan;

 public:

 	TInt iNotifyEndedSuccesses;

 	TInt iNotifyEndedFailures;

 	};

 CFileManObserver::CFileManObserver(CFileMan* aFileMan)

 	{

 	__DECLARE_NAME(_S("CFileManObserver"));

 	iFileMan=aFileMan;

 	}

 MFileManObserver::TControl CFileManObserver::NotifyFileManStarted()

 	{

 	TInt lastError = iFileMan->GetLastError();

 	TFileName fileName = iFileMan->CurrentEntry().iName;

 	test.Printf(_L("NotifyFileManStarted(): Error %d File %S\n"),lastError, &fileName);

 	return(MFileManObserver::EContinue);

 	}

 MFileManObserver::TControl CFileManObserver::NotifyFileManOperation()

 	{

 	TInt lastError = iFileMan->GetLastError();

 	TFileName fileName = iFileMan->CurrentEntry().iName;

 	test.Printf(_L("NotifyFileManOperation(): Error %d File %S\n"),lastError, &fileName);

 	return(MFileManObserver::EContinue);

 	}

 MFileManObserver::TControl CFileManObserver::NotifyFileManEnded()

 	{

 	TInt lastError = iFileMan->GetLastError();

 	TFileName fileName = iFileMan->CurrentEntry().iName;

 	test.Printf(_L("NotifyFileManEnded(): Error %d File %S\n"),lastError, &fileName);

 	if (lastError == KErrNone)

 		iNotifyEndedSuccesses++;

 	else

 		iNotifyEndedFailures++;

 	return(MFileManObserver::EContinue);

 	}

 //----------------------------------------------------------------------------------------------

 //! @SYMTestCaseID      PBASE-T_BIGFILE-0001

 //! @SYMTestType        CIT

 //! @SYMTestCaseDesc    Test that 2GB-1 file can be opened and read

 //! @SYMTestActions     Open the file, seek to end-1K and read some data. Verify the results

 //! @SYMTestExpectedResults Should succeed

 //! @SYMTestPriority    High

 //! @SYMTestStatus      Implemented

 //----------------------------------------------------------------------------------------------

 void OpenAndRead2GBMinusOne()

 	{

 	RFile f;

 	TEntry entry;

 	TUint testSize;

 	TUint size;

 	TUint testPos;

 	TInt r;

 	TPtr8 bufPtr = gBuf->Des();

 	bufPtr.SetLength(bufPtr.MaxLength());

 	const TFileName fname = KFile2GBMinusOne();

 	test.Next(_L("2GBMinusOne File: Open"));

 	r = f.Open(TheFs, fname, EFileRead);

 	test(r==KErrNone);

 	testSize = K2GbMinusOne;

 	test.Next(_L("2GBMinusOne File: Read"));

 	r=f.Size((TInt&) size);

 	test(r==KErrNone);

 	test(size == testSize);

 	r = TheFs.Entry(fname, entry);

 	test(r==KErrNone);

 	test ((TUint) entry.iSize == testSize);

 	// seek to just below 2GB

 	testPos = (K2GbMinusOne - K1Kb) & KPosMask;

 	r = f.Seek(ESeekStart, (TInt&) testPos);

 	test(r==KErrNone);

 	r = f.Read(bufPtr);

 	test(r==KErrNone);

 	TUint posRead =  * ((TUint*) &bufPtr[0]);

 	test.Printf(_L("position read %08X, expected %08X\n"), posRead, testPos);

 	test(posRead == testPos);

 	f.Close();

 	}

 //----------------------------------------------------------------------------------------------

 //! @SYMTestCaseID      PBASE-T_BIGFILE-0002

 //! @SYMTestType        CIT

 //! @SYMTestCaseDesc    Test that attempting to open a 2GB file fails

 //! @SYMTestActions     Open the file

 //! @SYMTestExpectedResults KErrToBig

 //! @SYMTestPriority    High

 //! @SYMTestStatus      Implemented

 //----------------------------------------------------------------------------------------------

 void Open2GB()

 	{

 	RFile f;

 	TEntry entry;

 	TUint testSize;

 	TInt r;

 	TPtr8 bufPtr = gBuf->Des();

 	bufPtr.SetLength(bufPtr.MaxLength());

 	const TFileName fname = KFile2GB();

 	testSize = K2Gb;

 	test.Next(_L("2GB File: Test the size with RFs::Entry"));

 	r = TheFs.Entry(fname, entry);

 	test(r==KErrNone);

 	test ((TUint) entry.iSize == testSize);

 	test.Next(_L("2GB File: Attempt to open (should fail with KErrToBig)"));

 	r = f.Open(TheFs, fname, EFileRead);

 	test(r==KErrTooBig);

 	}

 //----------------------------------------------------------------------------------------------

 //! @SYMTestCaseID      PBASE-T_BIGFILE-0003

 //! @SYMTestType        CIT

 //! @SYMTestCaseDesc    Test that attempting to open a 2GB file fails

 //! @SYMTestActions     Open the file

 //! @SYMTestExpectedResults KErrToBig

 //! @SYMTestPriority    High

 //! @SYMTestStatus      Implemented

 //----------------------------------------------------------------------------------------------

 void Open3GB()

 	{

 	RFile f;

 	TEntry entry;

 	TUint testSize;

 	TInt r;

 	TPtr8 bufPtr = gBuf->Des();

 	bufPtr.SetLength(bufPtr.MaxLength());

 	const TFileName fname = KFile3GB();

 	testSize = K3Gb;

 	test.Next(_L("3GB File: Test the size with RFs::Entry"));

 	r = TheFs.Entry(fname, entry);

 	test(r==KErrNone);

 	test ((TUint) entry.iSize == testSize);

 	test.Next(_L("3GB File: Attempt to open (should fail with KErrToBig)"));

 	r = f.Open(TheFs, fname, EFileRead);

 	test(r==KErrTooBig);

 	}

 //----------------------------------------------------------------------------------------------

 //! @SYMTestCaseID      PBASE-T_BIGFILE-0004

 //! @SYMTestType        CIT

 //! @SYMTestCaseDesc    Test that attempting to open a 4GB file fails

 //! @SYMTestActions     Open the file

 //! @SYMTestExpectedResults KErrToBig

 //! @SYMTestPriority    High

 //! @SYMTestStatus      Implemented

 //----------------------------------------------------------------------------------------------

 void Open4GB()

 	{

 	RFile f;

 	TEntry entry;

 	TUint testSize;

 	TInt r;

 	TPtr8 bufPtr = gBuf->Des();

 	bufPtr.SetLength(bufPtr.MaxLength());

 	const TFileName fname = KFile4GBMinusOne();

 	testSize = K4GbMinusOne;

 	test.Next(_L("4GB File: Test the size with RFs::Entry"));

 	r = TheFs.Entry(fname, entry);

 	test(r==KErrNone);

 	test ((TUint) entry.iSize == testSize);

 	test.Next(_L("4GB File: Attempt to open (should fail with KErrToBig)"));

 	r = f.Open(TheFs, fname, EFileRead);

 	test(r==KErrTooBig);

 	}

 //----------------------------------------------------------------------------------------------

 //! @SYMTestCaseID      PBASE-T_BIGFILE-0005

 //! @SYMTestType        CIT

 //! @SYMTestCaseDesc    Attempt to append to the end of a 2GB-1 file

 //! @SYMTestActions     Open the file, seek to end and write one byte

 //! @SYMTestExpectedResults RFile::Write(0 returns KErrToBig

 //! @SYMTestPriority    High

 //! @SYMTestStatus      Implemented

 //----------------------------------------------------------------------------------------------

 void Extend2GBMinusOne()

 	{

 	RFile f;

 	TEntry entry;

 	TUint testSize;

 	TUint size;

 	TUint testPos;

 	TInt r;

 	TPtr8 bufPtr = gBuf->Des();

 	bufPtr.SetLength(bufPtr.MaxLength());

 	const TFileName fname = KFile2GBMinusOne();

 	testSize = K2GbMinusOne;

 	test.Next(_L("2GBMinusOne File: Open"));

 	r = f.Open(TheFs, fname, EFileRead | EFileWrite);

 	test(r==KErrNone);

 	test.Next(_L("2GBMinusOne File: Attempt to extend"));

 	r=f.Size((TInt&) size);

 	test(r==KErrNone);

 	test(size == testSize);

 	r = TheFs.Entry(fname, entry);

 	test(r==KErrNone);

 	test ((TUint) entry.iSize == testSize);

 	// seek to end

 	testPos = 0;

 	r = f.Seek(ESeekEnd, (TInt&) testPos);

 	test(r==KErrNone);

 	bufPtr.SetLength(1);

 	r = f.Write(bufPtr);

 	test(r==KErrTooBig);

 	f.Close();

 	}

 //----------------------------------------------------------------------------------------------

 //! @SYMTestCaseID      PBASE-T_BIGFILE-0006

 //! @SYMTestType        CIT

 //! @SYMTestCaseDesc    Check that deleting a large file frees cluster properly

 //! @SYMTestActions     Delete the passed file name, call RFs::CheckDisk

 //!						On windows, we could run chkdsk utility 

 //! @SYMTestExpectedResults RFs::CheckDisk returns success

 //! @SYMTestPriority    High

 //! @SYMTestStatus      Implemented

 //----------------------------------------------------------------------------------------------

 void DeleteLargeFile(const TDesC& aFileName)

 	{

 	test.Next(_L("Delete large file"));

 	test.Printf(_L("Deleting %S\n"), &aFileName);

 	TInt r = TheFs.Delete(aFileName);

 	test(r==KErrNone);

 	CheckDisk();

 	}

 //----------------------------------------------------------------------------------------------

 //! @SYMTestCaseID      PBASE-T_BIGFILE-0007

 //! @SYMTestType        CIT

 //! @SYMTestCaseDesc    Check that we can get a valid directory listing of a directory 

 //!						containing large files using RDir and then CDir

 //! @SYMTestActions     Open the directory using RDir and examine the results

 //!						On windows, we could run chkdsk utility 

 //! @SYMTestExpectedResults The expected number of files should exist with the correct sizes

 //! @SYMTestPriority    High

 //! @SYMTestStatus      Implemented

 //----------------------------------------------------------------------------------------------

 void ReadDirectory()

 	{

 	test.Next(_L("Read a directory containing large files using RDir"));

 	RDir dir;

 	TInt r = dir.Open(TheFs, _L("*.*"), KEntryAttNormal);

 	test (r == KErrNone);

 	TEntryArray entryArray;

 	r = dir.Read(entryArray);

 	test (r == KErrEof);

 	test(entryArray.Count() == gFilesInDirectory);

 	TInt n;

 	for (n=0; n<entryArray.Count(); n++)

 		{

 		const TEntry& entry = entryArray[n];

 		if (entry.iName.MatchF(KFile2GBMinusOne()) == 0)

 			{

 			test((TUint) entry.iSize == K2GbMinusOne);

 			}

 		else if (entry.iName.MatchF(KFile2GB()) == 0)

 			{

 			test((TUint) entry.iSize == K2Gb);

 			}

 		else if (entry.iName.MatchF(KFile3GB()) == 0)

 			{

 			test((TUint) entry.iSize == K3Gb);

 			}

 		else if (entry.iName.MatchF(KFile4GBMinusOne()) == 0)

 			{

 			test((TUint) entry.iSize == K4GbMinusOne);

 			}

 		else

 			test(EFalse);

 		}

 	dir.Close();

 	test.Next(_L("Read a directory containing large files using CDir & sort by size"));

 	CDir* dirList;

 	r=TheFs.GetDir(_L("*.*"), KEntryAttMaskSupported, ESortBySize, dirList);

 	test(r==KErrNone);

 	test(dirList->Count() == gFilesInDirectory);

 	for (n=0; n<dirList->Count(); n++)

 		{

 		TEntry entry;

 		entry=(*dirList)[n];

 		// test.Printf(_L("#%d: %08X %d %S"), n, entry.iSize, entry.iSize, &entry.iName);

 		if (entry.iName.MatchF(KFile2GBMinusOne()) == 0)

 			{

 			test((TUint) entry.iSize == K2GbMinusOne);

 			test(n == 0);	// test entry has been sorted correctly (i.e. according to size)

 			}

 		else if (entry.iName.MatchF(KFile2GB()) == 0)

 			{

 			test((TUint) entry.iSize == K2Gb);

 			test(n == 1);

 			}

 		else if (entry.iName.MatchF(KFile3GB()) == 0)

 			{

 			test((TUint) entry.iSize == K3Gb);

 			test(n == 2);

 			}

 		else if (entry.iName.MatchF(KFile4GBMinusOne()) == 0)

 			{

 			test((TUint) entry.iSize == K4GbMinusOne);

 			test(n == 3);

 			}

 		else

 			test(EFalse);

 		}

 	delete dirList;

 	}

 //----------------------------------------------------------------------------------------------

 //! @SYMTestCaseID      PBASE-T_BIGFILE-0008

 //! @SYMTestType        CIT

 //! @SYMTestCaseDesc    Check that we can a move a directory containing large files 

 //!						Using CFileMan::Move()	

 //! @SYMTestActions     Use CFileMan::Move() to move files from one directory to another

 //! @SYMTestExpectedResults The files should be moved correctly

 //! @SYMTestPriority    High

 //! @SYMTestStatus      Implemented

 //----------------------------------------------------------------------------------------------

 void MoveDirectory()

 	{

 	test.Next(_L("Move a directory containing large files"));

 	CFileMan* fileMan = CFileMan::NewL(TheFs);

 	test(fileMan != NULL);

 	TPath filePathOld = gSessionPath;

 	filePathOld+= _L("*.*");

 	TPath filePathNew =	_L("?:\\TEST\\");

 	TChar driveLetter;

 	TInt r=TheFs.DriveToChar(gDrive,driveLetter);

 	test(r==KErrNone);

 	filePathNew[0] = (TText) driveLetter;

 	// move to new directory

 	r = fileMan->Move(filePathOld, filePathNew, CFileMan::ERecurse | CFileMan::EOverWrite);

 	test(r == KErrNone);

 	// then move back again

 	r = fileMan->Move(filePathNew, filePathOld);

 	test(r == KErrNone);

 	delete fileMan;

 	}

 //----------------------------------------------------------------------------------------------

 //! @SYMTestCaseID      PBASE-T_BIGFILE-0009

 //! @SYMTestType        CIT

 //! @SYMTestCaseDesc    Check that we can copy a directory containing large file(s)

 //!						Using CFileMan::Copy()	

 //! @SYMTestActions     Use CFileMan::Copy() to copy files from one directory to another

 //! @SYMTestExpectedResults The files should be copied correctly

 //! @SYMTestPriority    High

 //! @SYMTestStatus      Implemented

 //----------------------------------------------------------------------------------------------

 void CopyDirectory()

 	{

 	test.Next(_L("Copy a directory containing large files"));

 	CFileMan* fileMan = CFileMan::NewL(TheFs);

 	test(fileMan != NULL);

 	CFileManObserver* observer = new CFileManObserver(fileMan);

 	test(observer != NULL);

 	TPath filePathOld = gSessionPath;

 	filePathOld+= _L("*.*");

 	TPath filePathNew =	_L("?:\\TEST\\");

 	TChar driveLetter;

 	TInt r = TheFs.DriveToChar(gDrive,driveLetter);

 	test(r == KErrNone);

 	filePathNew[0] = (TText) driveLetter;

 	// create some small files in the source directory 

 	// so that there is a combination of small files and one large files

 	RFile file;

 	_LIT(KFileSmall1, "FileSmallOne.txt");

 	_LIT(KFileSmall2, "FileSmallTwo.txt");

 	_LIT(KFileSmall3, "FileSmallThree.txt");

 	r = file.Create(TheFs, KFileSmall1(), EFileWrite | EFileShareAny);

 	test(r == KErrNone);

 	r = file.Write(_L8("1"));

 	test(r == KErrNone);

 	file.Close();

 	r = file.Create(TheFs, KFileSmall2(), EFileWrite | EFileShareAny);

 	test(r == KErrNone);

 	r = file.Write(_L8("12"));

 	test(r == KErrNone);

 	file.Close();

 	r = file.Create(TheFs, KFileSmall3(), EFileWrite | EFileShareAny);

 	test(r == KErrNone);

 	r = file.Write(_L8("123"));

 	test(r == KErrNone);

 	file.Close();

 	// copy to new directory

 	r = fileMan->Copy(filePathOld, filePathNew, CFileMan::ERecurse | CFileMan::EOverWrite);

 	test(r == KErrNone || r == KErrTooBig);

 	// check SMALL files have been copied

 	RDir dir;

 	r = dir.Open(TheFs, filePathNew, KEntryAttNormal);

 	test (r == KErrNone);

 	TEntryArray entryArray;

 	r = dir.Read(entryArray);

 	test (r == KErrEof);

 	test(entryArray.Count() == 3);

 	dir.Close();

 	// then delete the new directory

 	r = fileMan->Delete(filePathNew);

 	test(r == KErrNone);

 	// attempt to copy to new directory again - this time with an observer

 	fileMan->SetObserver(observer);

 	r = fileMan->Copy(filePathOld, filePathNew, CFileMan::ERecurse | CFileMan::EOverWrite);

 	test(r == KErrNone || r == KErrTooBig);

 	// test that 3 small files were copied and 1 or 2 large files failed to copy

 	// (For 8 GB disk, the 4GB file is missing)

 	test(observer->iNotifyEndedSuccesses == 3);

 	test(observer->iNotifyEndedFailures == 1 || observer->iNotifyEndedFailures == 2);

 	// check SMALL files have been copied

 	r = dir.Open(TheFs, filePathNew, KEntryAttNormal);

 	test (r == KErrNone);

 	r = dir.Read(entryArray);

 	test (r == KErrEof);

 	test(entryArray.Count() == 3);

 	dir.Close();

 	// then delete the new directory

 	r = fileMan->Delete(filePathNew);

 	test(r == KErrNone);

 	delete observer;

 	delete fileMan;

 	}

 //----------------------------------------------------------------------------------------------

 //! @SYMTestCaseID      PBASE-T_BIGFILE-000A

 //! @SYMTestType        CIT

 //! @SYMTestCaseDesc    Check that CDirScan works correctly with a directory containing large file(s)

 //! @SYMTestActions     Use CFileMan::Copy() to copy files from one directory to another

 //! @SYMTestExpectedResults The files should be copied correctly

 //! @SYMTestPriority    High

 //! @SYMTestStatus      Implemented

 //----------------------------------------------------------------------------------------------

 TInt ScanDir(const TDesC& aName, CDirScan::TScanDirection aDirection, TInt aError)

 	{

 	TInt r;

 	TFileName dirName;

 	CDirScan* scanner = NULL;

 	TRAP(r, scanner = CDirScan::NewL(TheFs));

 	test(r == KErrNone && scanner);

 	TRAP(r, scanner->SetScanDataL(aName,KEntryAttDir,ESortByName|EAscending,aDirection));

 	test(r == KErrNone);

 	CDir *entryList=NULL;

 	TInt filesFound = 0;

 	for (;;)

 		{

 		TRAP(r, scanner->NextL(entryList));

 		test(r == aError);

 		if (entryList==NULL)

 			break;

 		TInt count = entryList->Count();

 		while (count--)

 			{

 			TEntry data=(*entryList)[count];

 			TBuf<KMaxFileName> path=scanner->AbbreviatedPath();

 			dirName = path;

 			dirName.Append(data.iName);

 			test.Printf(_L("    %S\n"),&dirName);

 			filesFound++;

 			}

 		delete entryList;

 		entryList=NULL;

 		}

 	delete scanner;

 	return filesFound;

 	}

 GLDEF_C void CallTestsL()

 //

 // Do tests relative to the session path

 //

 	{

 #if defined(__WINS__)

 	if (gSessionPath[0]=='C')

 		gNTFS=ETrue;

 	else

 		gNTFS=EFalse;

 #endif

 	// don't test on NTFS

 	if (gNTFS)

 		{

 		test.Printf(_L("Skipping test: Drive is NTFS\n"));

 		return;

 		}

 	TInt r;

 	r = TheFs.CharToDrive(gDriveToTest, gDrive);

 	test(r==KErrNone);

 #ifdef __MOUNT_RAW_EXT__

 	r=TheFs.FileSystemName(gOldFsName, gDrive);

 	test(r==KErrNone);

 	if (gOldFsName.CompareF(KFATName) != 0)

 		{

 		test.Printf(_L("Skipping test: Not a FAT drive\n"));

 		return;

 		}

     r = TheFs.AddExtension(KExtName);

     test(r==KErrNone || r==KErrAlreadyExists);

     r = TheFs.MountExtension(KExtName, gDrive);

     test(r==KErrNone || r==KErrAlreadyExists);

 #endif

 	TVolumeInfo vi;

 	test((r = TheFs.Volume(vi, gDrive)) == KErrNone);

 	test.Printf(_L("vi.iSize = %ld\n"), vi.iSize);

 	// don't test if media sise is less than 7GB

 	if (vi.iSize < TInt64(K1Gb) * TInt64(7))

 		{

 		test.Printf(_L("Skipping test: Drive is not big enough\n"));

 		}

 	if (!FilePresent(KFile2GB()))

 		{

 		test.Printf(_L("Skipping test: Test files not present on drive\n"));

 		}

 	else

 		{

 		gBuf = HBufC8::NewL(KBufSize);

 		if (gBuf == NULL)

 			User::Leave(KErrNoMemory);

 		gBufPtr = gBuf->Des();

 		TInt r;

 		// Test that RFs::CheckDisk() succeeds with large files present

 		CheckDisk();

 		test.Next(_L("Scan Drive"));

 		r = TheFs.ScanDrive(gSessionPath);

 		test (r == KErrNone);

 		// NB the 4GB file will not be present unless the disk is > 8GB (because it doesn't fit)

 		if (!FilePresent(KFile4GBMinusOne()))

 			gFilesInDirectory--;

 		// test CDirScan

 		// the number of files & directories found should be 5 or 4

 		TInt filesFound = ScanDir(_L("\\"), CDirScan::EScanUpTree, KErrNone);

 		test (filesFound == gFilesInDirectory+1);

 		filesFound = ScanDir(_L("\\"), CDirScan::EScanDownTree, KErrNone);

 		test (filesFound == gFilesInDirectory+1);

 		OpenAndRead2GBMinusOne();

 		Open2GB();

 		Open3GB();

 		// the 4GB file will not be present unless the disk is > 8GB

 		if (FilePresent(KFile4GBMinusOne()))

 			Open4GB();

 		Extend2GBMinusOne();

 		ReadDirectory();

 		MoveDirectory();

 		// delete the 2 smaller files to make some space

 		DeleteLargeFile(KFile2GB());

 		DeleteLargeFile(KFile2GBMinusOne());

 		CopyDirectory();

 		// delete the 3GB file and check the disk

 		DeleteLargeFile(KFile3GB());

 		if (FilePresent(KFile4GBMinusOne()))

 			DeleteLargeFile(KFile4GBMinusOne());

 		// Finally check that we can format the drive...

 		Format (gDrive);

 		}

 #ifdef __MOUNT_RAW_EXT__

 	r = TheFs.DismountExtension(KExtName, gDrive);

 	test(r==KErrNone);

 	r = TheFs.RemoveExtension(KExtName);

 	test(r==KErrNone);

 #endif

 	delete gBuf; gBuf = NULL;

 	}