--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/demandpaging/t_tbus_datapaging.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,822 @@
+// Copyright (c) 2008-2009 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:
+// e32test\demandpaging\t_tbus_datapaging.cpp
+// Functional tests for data paging.
+// 002 ???
+// 003 ???
+//
+
+//! @SYMTestCaseID			KBASE-T_TBUS_DATAPAGING
+//! @SYMTestType			UT
+//! @SYMPREQ				???
+//! @SYMTestCaseDesc		Data Paging functional tests with TBusLocalDrive.
+//! @SYMTestActions			001 ???
+//! @SYMTestExpectedResults All tests should pass.
+//! @SYMTestPriority        High
+//! @SYMTestStatus          Implementation on-going
+
+#define __E32TEST_EXTENSION__
+#include <e32test.h>
+#include <dptest.h>
+#include <e32hal.h>
+#include <u32exec.h>
+#include <e32svr.h>
+#include <e32panic.h>
+#include "u32std.h"
+
+#include <f32file.h>
+#include <f32dbg.h>
+#include <f32fsys.h>
+
+#include "t_dpcmn.h"
+#include "../secure/d_sldd.h"
+#include "../mmu/mmudetect.h"
+
+const TInt KMaxLengthOfStoreMapping = 16 + sizeof(TInt32) + KMaxMediaPassword;
+const TInt KMaxPersistentStore(TPasswordStore::EMaxPasswordLength+KMaxLengthOfStoreMapping);
+typedef TBuf8<KMaxPersistentStore> TPersistentStore;
+
+RChunk gMyChunk;
+TUint gOffset = 0;
+TUint8* gData = NULL;
+const TUint8 KClearValue = 0xed;
+const TUint  KChunkSizeInPages = 64;	// 64 * 4096 = 256K
+const TInt KTestBufLen=256;
+
+
+#define __DECLARE_VAR_IN_CHUNK(type, varRef)											\
+									type varRef = *(type*) (gData+gOffset);				\
+									gOffset += Max(gPageSize, sizeof(type));			\
+									test(gOffset <= gPageSize * KChunkSizeInPages);
+
+#define __DECLARE_AND_INIT_VAR_IN_CHUNK(type, var)										\
+									type &var = *(type*) (gData+gOffset);				\
+									var = type();										\
+									gOffset += Max(gPageSize, sizeof(type));			\
+									test(gOffset <= gPageSize * KChunkSizeInPages);	
+
+
+#define __DECLARE_ARRAY_IN_CHUNK(type, var, size)										\
+									type *var = (type*) (gData+gOffset);				\
+									gOffset += Max(gPageSize, (sizeof(type) * size));	\
+									test(gOffset <= gPageSize * KChunkSizeInPages);
+									
+#define __FLUSH_AND_CALL_API_METHOD(return, function)									\
+											DPTest::FlushCache(); 						\
+											return = function;
+											
+
+LOCAL_D RFs TheFs;
+TInt gFsDriveNumber	= -1;
+	
+RTest test(_L("T_TBUS_DATAPAGING"));
+_LIT(KChunkName, "t_datapaging chunk");
+
+const TUint KDriveAttMask = KDriveAttLocal | KDriveAttRom | KDriveAttInternal | KDriveAttRemovable | KDriveAttRemote;
+const TUint KMediaAttMask = KMediaAttVariableSize | KMediaAttDualDensity | KMediaAttLockable | KMediaAttLocked | KMediaAttHasPassword  | KMediaAttReadWhileWrite;
+
+void CreatePagedChunk(TInt aSizeInPages, TInt aWipeByte = -1)
+	{
+	test_Equal(0,gMyChunk.Handle());
+	
+	TChunkCreateInfo createInfo;
+	TInt size = aSizeInPages * gPageSize;
+	createInfo.SetNormal(size, size);
+	createInfo.SetPaging(TChunkCreateInfo::EPaged);
+	createInfo.SetOwner(EOwnerProcess);
+	createInfo.SetGlobal(KChunkName);
+	if (aWipeByte != -1)
+		createInfo.SetClearByte(aWipeByte);
+	test_KErrNone(gMyChunk.Create(createInfo));
+	test(gMyChunk.IsPaged()); // this is only ever called if data paging is supported
+	
+	gData = gMyChunk.Base();
+	}
+	
+TInt TestDriveConnectAndCaps(TBusLocalDrive &aDrive, TInt &aLocalDriveNumber)
+	{
+
+	test.Next(_L("Test Drive Connect And Caps"));
+
+	__DECLARE_VAR_IN_CHUNK(TInt, &r);
+	
+	test.Printf(_L("changeFlag...\n"));
+	__DECLARE_VAR_IN_CHUNK(TBool, &changeFlag);
+	changeFlag = EFalse;
+	
+	test.Printf(_L("call aDrive.Connect()...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.Connect(aLocalDriveNumber,changeFlag));
+	
+	test.Printf(_L("r:%d\n"),r);	
+	test_Equal(KErrNone, r);
+	
+	test.Printf(_L("call aDrive.Caps()...\n"));	
+	__DECLARE_VAR_IN_CHUNK(TLocalDriveCapsV5, &driveCaps);
+	
+	TPckg<TLocalDriveCapsV5> capsPckg(driveCaps); 
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.Caps(capsPckg));
+	
+	test_Equal(KErrNone, r);
+	test.Printf(_L("r:%d\n"),r);
+	test.Printf(_L("driveCaps.iDriveAtt			:0x%08x\n"), driveCaps.iDriveAtt);
+	test.Printf(_L("driveCaps.iSize    			:%ld\n"), driveCaps.iSize);
+	test.Printf(_L("driveCaps.iSerialNumLength  :%d\n"), driveCaps.iSerialNumLength);
+	
+	return I64LOW(driveCaps.iSize);
+	}
+
+void TestDriveSizeRelatedMethods(TBusLocalDrive &aDrive, TInt aNewSize, TInt aOldSize)
+	{
+	TInt r;
+	
+	test.Next(_L("Test Drive Size Related Methods"));
+	test.Printf(_L("newDriveSize...\n"));
+	__DECLARE_VAR_IN_CHUNK(TInt, &newDriveSize);
+	newDriveSize = aNewSize;	
+	
+	test.Printf(_L("call aDrive.Enlarge()...\n"));
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.Enlarge(newDriveSize));
+	test.Printf(_L("r:%d\n"),r);
+	test((KErrNone == r) || (KErrNotSupported == r) || (KErrNotReady == r));
+	if(r != KErrNone )
+		{
+		test.Printf(_L("errInfo...\n"));
+		__DECLARE_ARRAY_IN_CHUNK(TUint8, errInfo, KTestBufLen);
+		
+		TPtr8 pErrInfoBuff(errInfo, KTestBufLen);
+		
+		__FLUSH_AND_CALL_API_METHOD(r, aDrive.GetLastErrorInfo(pErrInfoBuff));
+		test.Printf(_L("r:%d\n"),r);
+		test((KErrNone == r) || (KErrNotSupported == r));
+		}
+	
+	
+	test.Printf(_L("call aDrive.ReduceSize()...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.ReduceSize(0, aOldSize));
+	test((KErrNone == r) || (KErrNotSupported == r) || (KErrNotReady == r)); 
+
+	}
+
+void TestWriteReadRelatedMethods(TBusLocalDrive &aDrive)
+	{
+	
+	test.Next(_L("Test Write & Read Related Methods"));
+		
+	__DECLARE_VAR_IN_CHUNK(TInt, &r);
+	
+	test.Printf(_L("msgHandle...\n"));
+	__DECLARE_VAR_IN_CHUNK(TInt, &msgHandle);
+	msgHandle = KLocalMessageHandle;
+		
+
+	__DECLARE_VAR_IN_CHUNK(TUint, &i);
+	test.Printf(_L("wrBuf...\n"));	
+	TBuf8<KTestBufLen> wrBuf(KTestBufLen);
+	for (i=0 ; i<(TUint)KTestBufLen ; i++)
+		wrBuf[i]=(TUint8)i;
+	
+	
+	test.Printf(_L("wrBuf2...\n"));
+	__DECLARE_ARRAY_IN_CHUNK(TUint8, wrBuf2, KTestBufLen);
+			
+	test.Printf(_L("fill wrBuf2...\n"));
+	for (i=0 ; i<(TUint)KTestBufLen ; i++)
+		wrBuf2[i]=(TUint8)i;
+	
+	TPtr8 pWrBuf2(wrBuf2, KTestBufLen, KTestBufLen);
+	
+	test.Printf(_L("rdBuf...\n"));
+	TBuf8<KTestBufLen> rdBuf(KTestBufLen);
+	
+	
+	test.Printf(_L("rdBuf2...\n"));
+	__DECLARE_ARRAY_IN_CHUNK(TUint8, rdBuf2, KTestBufLen);
+	
+	TPtr8 pRdBuf2(rdBuf2, KTestBufLen);
+	
+	test.Printf(_L("call aDrive.Write()...\n"));	
+	rdBuf.Fill(0,KTestBufLen);
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.Write(0,KTestBufLen,&wrBuf,msgHandle,0));
+	test_Equal(KErrNone, r);
+	
+	
+	test.Printf(_L("call aDrive.Read()...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.Read(0,KTestBufLen,&rdBuf,msgHandle,0));
+	test_Equal(KErrNone, r);
+	
+	for (i=0 ; i<(TUint)KTestBufLen ; i++)
+		test_Equal(wrBuf[i], rdBuf[i]);
+	
+	test.Printf(_L("call aDrive.Write()...\n"));	
+	pRdBuf2.Fill(0,KTestBufLen);
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.Write(0,pWrBuf2));
+	test_Equal(KErrNone, r);
+	
+	
+	test.Printf(_L("call aDrive.Read()...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.Read(0,KTestBufLen, pRdBuf2));
+	test_Equal(KErrNone, r);
+	
+	for (i=0 ; i<(TUint)KTestBufLen ; i++)
+		test_Equal(wrBuf2[i], rdBuf2[i]);
+	
+	}
+
+void TestPasswordRelatedMethods(TBusLocalDrive &aDrive)
+	{
+	TInt r;
+	
+	test.Next(_L("Test Password Related Methods"));
+	//__DECLARE_VAR_IN_CHUNK(TPersistentStore, &wStore);
+	
+	TPersistentStore* pstoreAB;
+	test((pstoreAB = new TPersistentStore) != 0);
+	TPersistentStore& wStore = *pstoreAB;
+
+	//__DECLARE_AND_INIT_VAR_IN_CHUNK(TPersistentStore, wStore);
+	
+	// Password related API methods call
+	test.Printf(_L("call aDrive.WritePasswordData() to clear passwords...\n"));	
+	__DECLARE_VAR_IN_CHUNK(TInt, &passwordStoreLength);
+	
+	TBuf8<1> nulSt;
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.WritePasswordData(nulSt));
+	test( r == KErrNone);// empty
+	
+	test.Printf(_L("call aDrive.PasswordStoreLengthInBytes()...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(passwordStoreLength, aDrive.PasswordStoreLengthInBytes());
+	
+	test.Printf(_L("passwordStoreLength:%d\n"), passwordStoreLength);
+	test_Equal(0, passwordStoreLength);
+
+
+	test.Printf(_L("call aDrive.ErasePassword()...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.ErasePassword());
+	test.Printf(_L("r:%d\n"),r);
+	
+
+	test.Printf(_L("wStore.Size():%d\n"),wStore.Size());
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.WritePasswordData(wStore));
+	
+	test.Printf(_L("r:%d\n"),r);
+	test((KErrNone == r)); // || (KErrCorrupt == r));		// TO-DO Why Corrupt???
+	
+	__FLUSH_AND_CALL_API_METHOD(passwordStoreLength, aDrive.PasswordStoreLengthInBytes());
+	
+	test.Printf(_L("passwordStoreLength:%d\n"), passwordStoreLength);
+	test((r == KErrNone ?  (wStore.Size() == passwordStoreLength) : (0 == passwordStoreLength) ));
+	
+
+
+	test.Printf(_L("Set and store a password...\n"));		
+	TDes8 &st = wStore;
+	TMediaPassword a((const TUint8*) "CID0ccccccccccc#");
+	TUint8 passLen[sizeof(TInt32)];
+	passLen[0] = 0;
+	passLen[1] = 0;
+	passLen[2] = 0;
+	passLen[3] = 16;
+	
+	//test.Printf(_L("Password3:'%S'\n"), &a);
+	
+	st.Append(a);
+	st.Append(passLen, sizeof(TInt32));
+	st.Append(a);
+	
+	test.Printf(_L("wStore.Size():%d\n"),wStore.Size());
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.WritePasswordData(wStore));
+	
+	test.Printf(_L("r:%d\n"),r);
+	test((KErrNone == r));
+	
+	__FLUSH_AND_CALL_API_METHOD(passwordStoreLength, aDrive.PasswordStoreLengthInBytes());
+	
+	test.Printf(_L("passwordStoreLength:%d\n"), passwordStoreLength);
+	test((r == KErrNone ?  (wStore.Size() == passwordStoreLength) : (0 == passwordStoreLength) ));
+	
+	test.Printf(_L("call aDrive.ErasePassword()...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.ErasePassword());
+	test.Printf(_L("r:%d\n"),r);
+	
+	test.Printf(_L("call aDrive.WritePasswordData() to set password again...\n"));	
+	test.Printf(_L("wStore.Size():%d\n"),wStore.Size());
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.WritePasswordData(wStore));
+	
+	test.Printf(_L("r:%d\n"),r);
+	test((KErrNone == r));
+	
+	__FLUSH_AND_CALL_API_METHOD(passwordStoreLength, aDrive.PasswordStoreLengthInBytes());
+	
+	test.Printf(_L("passwordStoreLength:%d\n"), passwordStoreLength);
+	test((r == KErrNone ?  (wStore.Size() == passwordStoreLength) : (0 == passwordStoreLength) ));
+	
+	
+	// Finally erase password
+	test.Printf(_L("call aDrive.WritePasswordData() to erase password...\n"));		
+	wStore.Zero();	// empty password store
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.WritePasswordData(wStore))
+	test( r == KErrNone);// Clear
+	
+	__FLUSH_AND_CALL_API_METHOD(passwordStoreLength, aDrive.PasswordStoreLengthInBytes());
+	
+	test.Printf(_L("passwordStoreLength:%d\n"), passwordStoreLength);
+	test((r == KErrNone ?  (wStore.Size() == passwordStoreLength) : (0 == passwordStoreLength) ));
+	
+	
+	
+	// Test SetPassword
+	TMediaPassword nul(nulSt);
+	
+	test.Printf(_L("call aDrive.SetPassword()...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.SetPassword(nul, a, EFalse));
+	test.Printf(_L("r:%d\n"),r);
+	test_Equal(KErrNone, r);
+	
+	// Erase Password
+	test.Printf(_L("call aDrive.ErasePassword()...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.ErasePassword());
+	test.Printf(_L("r:%d\n"),r);
+	
+
+	test.Printf(_L("call aDrive.SetPassword()...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.SetPassword(nul, a, EFalse));
+	test.Printf(_L("r:%d\n"),r);
+	test_Equal(KErrNone, r);
+	
+	// Erase Clear
+	test.Printf(_L("call aDrive.Clear()...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.Clear(a));
+	test.Printf(_L("r:%d\n"),r);
+	
+	
+	test.Printf(_L("call aDrive.SetPassword() to clear again...\n"));	
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.SetPassword(a, nul, EFalse));
+	test.Printf(_L("r:%d\n"),r);
+	test_Equal(KErrAccessDenied, r);
+	
+	
+	// Finally erase password
+	test.Printf(_L("call aDrive.WritePasswordData() to erase password...\n"));		
+	wStore.Zero();	// empty password store
+	__FLUSH_AND_CALL_API_METHOD(r, aDrive.WritePasswordData(wStore))
+	test( r == KErrNone);// Clear
+	
+	__FLUSH_AND_CALL_API_METHOD(passwordStoreLength, aDrive.PasswordStoreLengthInBytes());
+	
+	test.Printf(_L("passwordStoreLength:%d\n"), passwordStoreLength);
+	test((r == KErrNone ?  (wStore.Size() == passwordStoreLength) : (0 == passwordStoreLength) ));
+		
+	}
+
+void TestFormatRelatedMethods(TBusLocalDrive &aDrive, TInt aSize )
+	{
+	test.Next(_L("Test Format Related Methods"));	
+	
+	test.Printf(_L("call aDrive.Format(TFormatInfo)...\n"));	
+	__DECLARE_AND_INIT_VAR_IN_CHUNK(TFormatInfo, fi);
+	__DECLARE_VAR_IN_CHUNK(TInt, &ret);
+	__DECLARE_VAR_IN_CHUNK(TInt, &attempt);
+	
+	__FLUSH_AND_CALL_API_METHOD(ret, aDrive.Format(fi));
+	test.Printf(_L("ret:%d\n"),ret);
+	while(ret!=KErrEof)
+		{
+		if( ret == KErrNotReady )
+			{
+			attempt = 100;
+			while( (ret= aDrive.Format(fi)) == KErrNotReady && --attempt)
+				{
+				test.Printf(_L("attempt:%d\n"),attempt);
+				User::After(1000000);
+				}	
+			test(attempt);
+			}
+		else
+			{
+			test(ret==KErrNone);
+			ret= aDrive.Format(fi);	
+			}		
+		}
+	
+	
+	test.Printf(_L("call aDrive.Format(pos, length)...\n"));	
+	User::After(1000000);
+	
+	__DECLARE_VAR_IN_CHUNK(TInt64, &pos);
+	pos = 0;
+	__DECLARE_VAR_IN_CHUNK(TInt, &length);
+	length = aSize;
+	
+	attempt = 100;
+	__FLUSH_AND_CALL_API_METHOD(ret, aDrive.Format(pos, length));
+	while( ret == KErrNotReady && --attempt)
+		{
+		User::After(1000000);
+		ret= aDrive.Format(pos, length);
+		}	
+	test(attempt);
+	test_Equal(KErrNone, ret);
+
+	test.Printf(_L("End of TestFormatRelatedMethods)...\n"));
+	}
+
+void RestoreDriveState(void)
+	{
+	TBuf<3> bfDrv;
+
+	const TText KDrvLtr = 'A' + gFsDriveNumber;
+
+	bfDrv.Append(KDrvLtr);
+	_LIT(KBP, ":\\");
+	bfDrv.Append(KBP);
+
+
+	TheFs.Connect();
+	RFormat fmt;
+	TInt count;
+	
+	test(fmt.Open(TheFs, bfDrv, EHighDensity, count) == KErrNone);
+	while (count > 0)
+		{
+		test.Printf(_L("\rfmt:%d  "), count);
+		test(fmt.Next(count) == KErrNone);
+		}
+	test.Printf(_L("\n"));
+	fmt.Close();
+	
+	TheFs.Close();
+	}
+
+
+TInt FindDataPagingDrive()
+/** 
+Find the drive containing a swap partition.
+
+@return		Local drive identifier.
+*/
+	{
+	TInt drive = KErrNotFound;
+	
+	test.Printf(_L("Searching for data paging drive:\n"));
+	
+	for(TInt i = 0; i < KMaxLocalDrives && drive < 0; ++i)
+		{
+		RLocalDrive	d;
+		TBool change = EFalse;
+		
+		if(d.Connect(i, change) == KErrNone)
+			{
+			TLocalDriveCapsV4			dc;
+			TPckg<TLocalDriveCapsV4>	capsPack(dc);
+			
+			if(d.Caps(capsPack) == KErrNone)
+				{
+				if ((dc.iMediaAtt & KMediaAttPageable) &&
+					(dc.iPartitionType == KPartitionTypePagedData))
+					{
+					test.Printf(_L("Found swap partition on local drive %d\n"), i);
+					drive = i;
+
+					TPageDeviceInfo pageDeviceInfo;
+
+					TPtr8 pageDeviceInfoBuf((TUint8*) &pageDeviceInfo, sizeof(pageDeviceInfo));
+					pageDeviceInfoBuf.FillZ();
+
+					TInt r = d.QueryDevice(RLocalDrive::EQueryPageDeviceInfo, pageDeviceInfoBuf);
+
+					test.Printf(_L("EQueryPageDeviceInfo on local drive %d returned %d\n"), i, r);
+					}
+				}
+			d.Close();
+			}
+		}
+	return drive;
+	}
+
+TDes& GetSerialNumber(TLocalDriveCapsV5& aCaps)
+	{
+	static TBuf16<80> serialNumBuf;
+
+	serialNumBuf.SetLength(0);
+
+	for (TUint n=0; n<aCaps.iSerialNumLength; n+=16)
+		{
+		for (TUint m=n; m<n+16; m++)
+			{
+			TBuf16<3> hexBuf;
+			hexBuf.Format(_L("%02X "), aCaps.iSerialNum[m]);
+			serialNumBuf.Append(hexBuf);
+			}
+		}
+
+	return serialNumBuf;
+	}
+
+TDes& GetSerialNumber(TMediaSerialNumber& aSerialNum)
+	{
+	static TBuf16<80> serialNumBuf;
+
+	serialNumBuf.SetLength(0);
+
+	TInt len = aSerialNum.Length();
+	for (TInt n=0; n<len; n+=16)
+		{
+		for (TInt m=n; m<n+16; m++)
+			{
+			TBuf16<3> hexBuf;
+			hexBuf.Format(_L("%02X "), aSerialNum[m]);
+			serialNumBuf.Append(hexBuf);
+			}
+		}
+
+	return serialNumBuf;
+	}
+
+TPtrC GetMediaType(TMediaType aType)
+	{
+	switch(aType)
+		{
+		case EMediaNotPresent: return _L("NotPresent");
+		case EMediaUnknown: return _L("Unknown");
+		case EMediaFloppy: return _L("Floppy");
+		case EMediaHardDisk: return _L("HardDisk");
+		case EMediaCdRom: return _L("CdRom");
+		case EMediaRam: return _L("Ram");
+		case EMediaFlash: return _L("Flash");
+		case EMediaRom: return _L("Rom");
+		case EMediaRemote: return _L("Remote");
+		case EMediaNANDFlash: return _L("NANDFlash");
+		case EMediaRotatingMedia : return _L("RotatingMedia ");
+		default:return _L("Unrecognised");
+		}
+	}
+
+TPtrC GetFileSystemId(TUint aFileSystemId)
+	{
+	switch(aFileSystemId)
+		{
+		case KDriveFileSysFAT: return _L("FAT");
+		case KDriveFileSysROM: return _L("ROM");
+		case KDriveFileSysLFFS: return _L("LFFS");
+		case KDriveFileSysROFS: return _L("ROFS");
+		case KDriveFileNone: return _L("None");
+		default:return _L("Unrecognised");
+		}
+	}
+
+
+
+// Find a drive which contains the swap partition; if this succeeds, find and return the FAT drive on the same media.
+// This isn't fool-proof as it works by comparing media types/drive attributes/media attributes/serial numbers
+TInt FindFatDriveOnDataPagingMedia()
+	{
+	TInt dataPagingDrive = FindDataPagingDrive();
+	if (dataPagingDrive == KErrNotFound)
+		return KErrNotFound;
+
+	TInt fatDriveNumber = KErrNotFound;
+		
+	test.Printf(_L("Finding Fat drive on datapaging media...\n"));
+	
+	RLocalDrive	dpDrive;
+	TBool change = EFalse;
+
+	TInt r = dpDrive.Connect(dataPagingDrive, change);
+	test(r == KErrNone);
+	TLocalDriveCapsV5 dpDriveCaps;
+	TPckg<TLocalDriveCapsV5> capsPack(dpDriveCaps);
+	r = dpDrive.Caps(capsPack);
+	test(r == KErrNone);
+	TPtrC8 dpDriveSerialNum(dpDriveCaps.iSerialNum, dpDriveCaps.iSerialNumLength);
+	dpDrive.Close();
+
+	TPtrC mediaType = GetMediaType(dpDriveCaps.iType);
+	TPtrC fileSystemId = GetFileSystemId(dpDriveCaps.iFileSystemId);
+	test.Printf(_L("Swap Drive %2d Type %S DriveAtt 0x%x MediaAtt 0x%x FileSysId %S SerialNum %S\n"), 
+		dataPagingDrive, &mediaType, dpDriveCaps.iDriveAtt, dpDriveCaps.iMediaAtt, &fileSystemId, &GetSerialNumber(dpDriveCaps));
+
+	// swap partition should be hidden 
+	test (dpDriveCaps.iDriveAtt & KDriveAttHidden);
+
+	// search for a FAT drive on the same media by searching for a drive which has
+	// 'similar' drive & media attributes as the the swap drive
+
+	dpDriveCaps.iDriveAtt&= KDriveAttMask;
+	dpDriveCaps.iMediaAtt&= KMediaAttMask;
+
+	for (TInt i = 0; i < KMaxLocalDrives /*&& fatDriveNumber == KErrNotFound*/; ++i)
+		{
+		RLocalDrive	d;
+		TBool change = EFalse;
+		
+		if(d.Connect(i, change) == KErrNone)
+			{
+			TLocalDriveCapsV5			caps;
+			TPckg<TLocalDriveCapsV5>	capsPack(caps);
+
+			r = d.Caps(capsPack);
+			if (r != KErrNone)
+				continue;
+
+			TPtrC8 localSerialNum(caps.iSerialNum, caps.iSerialNumLength);
+			TPtrC mediaType = GetMediaType(caps.iType);
+			TPtrC fileSystemId = GetFileSystemId(caps.iFileSystemId);
+			test.Printf(_L("Drive %2d Type %S DriveAtt 0x%x MediaAtt 0x%x FileSysId %S SerialNum %S\n"), 
+				i, &mediaType, caps.iDriveAtt, caps.iMediaAtt, &fileSystemId, &GetSerialNumber(caps));
+
+			// Turn off bits which may be different
+			caps.iDriveAtt&= KDriveAttMask;
+			caps.iMediaAtt&= KMediaAttMask;
+
+			if ((caps.iType == dpDriveCaps.iType) &&
+				(caps.iDriveAtt == dpDriveCaps.iDriveAtt) && 
+				(caps.iMediaAtt == dpDriveCaps.iMediaAtt) && 
+				(localSerialNum.Compare(dpDriveSerialNum) == 0) &&
+				(caps.iFileSystemId == KDriveFileSysFAT))
+				{
+				if (fatDriveNumber == KErrNotFound)
+					fatDriveNumber = i;
+				}
+			d.Close();
+			}
+		}
+
+
+	return fatDriveNumber;
+	}
+
+
+// Find and return the File Server drive number (0-25) corresponing to the passed local drive number
+// This isn't fool-proof as it works by comparing media types/drive attributes/media attributes/serial numbers
+TInt FindFsDriveNumber(TInt aLocalDriveNumber)
+	{
+	TInt fsDriveNumber = KErrNotFound;
+
+	RLocalDrive	dpDrive;
+	TBool change = EFalse;
+
+	TInt r = dpDrive.Connect(aLocalDriveNumber, change);
+	test(r == KErrNone);
+	TLocalDriveCapsV5 dpDriveCaps;
+	TPckg<TLocalDriveCapsV5> capsPack(dpDriveCaps);
+	r = dpDrive.Caps(capsPack);
+	test(r == KErrNone);
+	TPtrC8 dpDriveSerialNum(dpDriveCaps.iSerialNum, dpDriveCaps.iSerialNumLength);
+	dpDrive.Close();
+
+	dpDriveCaps.iDriveAtt&= KDriveAttMask;
+	dpDriveCaps.iMediaAtt&= KMediaAttMask;
+
+	RFs fs;
+	r = fs.Connect();
+	test(r == KErrNone);
+
+	TDriveInfo di;
+
+	for (TInt n=0; n<KMaxDrives /* && fsDriveNumber == KErrNotFound*/; n++)
+		{
+		r = fs.Drive(di, n);
+
+		TMediaSerialNumber serialNum;
+		fs.GetMediaSerialNumber(serialNum, n);
+
+		TFSName fsName;
+		fs.FileSystemName(fsName, n);
+
+		if (r != KErrNone )
+			continue;
+
+		TPtrC mediaType = GetMediaType(di.iType);
+		test.Printf(_L("Drive %C Type %S DriveAtt 0x%x MediaAtt 0x%x FileSysId %S SerialNum %S\n"), 
+			'A' + n, &mediaType, di.iDriveAtt, di.iMediaAtt, &fsName, &GetSerialNumber(serialNum));
+
+		di.iDriveAtt&= KDriveAttMask;
+		di.iMediaAtt&= KMediaAttMask;
+
+		if ((di.iType == dpDriveCaps.iType) &&
+			(di.iDriveAtt == dpDriveCaps.iDriveAtt) && 
+			(di.iMediaAtt == dpDriveCaps.iMediaAtt) && 
+			(serialNum.Compare(dpDriveSerialNum) == 0))
+			{
+			if (fsDriveNumber == KErrNotFound)
+				fsDriveNumber = n;
+			}
+		}
+
+	fs.Close();
+
+	return fsDriveNumber;
+	}
+
+TInt E32Main()
+	{
+	
+	// To use in command line
+   	TBool callPasswordRelated = EFalse;
+
+    TBuf<256> cmdline;
+	User::CommandLine(cmdline);
+	TLex lex(cmdline);
+
+	FOREVER
+		{
+		TPtrC token=lex.NextToken();
+		if(token.Length() != 0)
+			{
+			if (token == _L("-p"))
+				{
+				callPasswordRelated = ETrue;			
+				}
+			else
+				test.Printf(_L("Unknown argument '%S' was ignored.\n"), &token);
+			}
+		else
+			break;
+		
+		}
+
+	test.Title();
+	TInt r;
+
+	test.Start(_L("Verify the global and this process's data paging attributes"));
+	test_KErrNone(GetGlobalPolicies());
+
+	if (IsDataPagingSupported())
+		{
+		test.Printf(_L("Data paging supported\n"));
+		}
+	else
+		{// The system doesn't support data paging so this process shouldn't be
+		// data paged.
+		test.Printf(_L("Data paging not supported\n"));
+		test_Equal(EFalse, gProcessPaged);
+		test.End();
+		return 0;
+		}
+
+	r = UserHal::PageSizeInBytes(gPageSize);
+	test_KErrNone(r);
+
+	TInt fatDriveNumber = FindFatDriveOnDataPagingMedia();
+	if (fatDriveNumber == KErrNotFound)
+		{
+		test.Printf(_L("Could not find FAT partition on data paging media\n"));
+		test(0);
+		}
+	gFsDriveNumber = FindFsDriveNumber(fatDriveNumber);
+	if (gFsDriveNumber == KErrNotFound)
+		{
+		test.Printf(_L("Could not File Server drive\n"));
+		test(0);
+		}
+
+	test.Printf(_L("Found FAT drive on %C: (local drive #%d) on data paging media\n"), 'A'+gFsDriveNumber, fatDriveNumber);
+
+//	User::SetDebugMask(0x10000000);		//KMMU2
+//	User::SetDebugMask(0x40000000, 1);	//KPAGING
+	
+	test.Next(_L("Create a paged chunk"));
+	CreatePagedChunk(KChunkSizeInPages, KClearValue);
+
+	test.Next(_L("Chunk created, declare variables"));
+	
+	__DECLARE_VAR_IN_CHUNK(TBusLocalDrive, &drive)
+	TInt driveSize = TestDriveConnectAndCaps(drive, fatDriveNumber);
+	
+	TestDriveSizeRelatedMethods(drive, 0x00001000, driveSize);
+	
+	TestWriteReadRelatedMethods(drive);
+	
+	TestFormatRelatedMethods(drive, driveSize);
+	
+	if(callPasswordRelated)
+		{
+		TestPasswordRelatedMethods(drive);	
+		}
+	
+	//Disconnect drive
+	test.Next(_L("call aDrive.Disconnect()..."));		
+	DPTest::FlushCache();
+	drive.Disconnect();
+		
+	gMyChunk.Close();
+	
+	RestoreDriveState();
+	
+	test.End();
+	
+	User::SetDebugMask(0x00000000);		// No debug info
+	User::SetDebugMask(0x00000000, 1);	//No KPAGING
+	return 0;
+	}