// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "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:

// Contains MBufMgr Test Step 07 for TrimStart() method

// 

//

// EPOC includes

#include <e32base.h>

// Test system includes

#ifdef SYMBIAN_OLD_EXPORT_LOCATION

#include "networking/log.h"

#include "networking/teststep.h"

#else

#include <networking/log.h>

#include <networking/teststep.h>

#endif

#include "TestStepCTMbufmgr.h"

#include "TestSuiteCTMbufmgr.h"

#include "Test07TrimStart.h"

#include <comms-infras/commsbufpond.h>

// constructor

CTest07TrimStart::CTest07TrimStart()

	{

	iTestStepName = _L("MBufMgrTest07");// Store the name of this test case

	}

// destructor

CTest07TrimStart::~CTest07TrimStart()

	{

	}

//

enum TVerdict CTest07TrimStart::doTestStepL(void)

	{

	__UHEAP_MARK;

	//-------------- substep 0 --------------------

	Log(_L("  00 Read parameters from the script:"));

	TInt aOffset;// Will contain the position in chain where split action will be done

	TInt aLength;// Will contain the length of desc & chains in the test

	TInt bRet = GetIntFromConfig(_L("MBufMgrTest07"), _L("Length"), aLength);

	if (!bRet)

		{

		return EFail;

		}

	bRet = GetIntFromConfig(_L("MBufMgrTest07"), _L("Offset"), aOffset);

	if (!bRet)

		{

		return EFail;

		}

   	Log(_L("     ------- Chain LENGTH              = %d --"), aLength);

 	Log(_L("     ------- OFFSET where to TrimStart = %d --"), aOffset);

	if ( (aLength > 1000)    ||(aLength <0) ||

		 (aOffset > aLength) || (aOffset <0)  )

		{

		Log(_L("ERROR: Wrong input parameter(s)"));

		return EFail;

		}

#ifdef __CFLOG_ACTIVE

	__CFLOG_CREATEL;

	__CFLOG_OPEN;

#endif

	//-------------- substep 1 --------------------

	Log(_L("  01 Creating CMBufManager and installing active scheduler:"));

    CleanupStack::PushL( iActSch = new(ELeave) CActiveScheduler );

	CActiveScheduler::Install(iActSch);

	CreateInstanceMBufMgrL(KMBufDefaultHeapSize);

	CleanupClosePushL(iBufPond);

	//-------------- substep 2 --------------------

	Log(_L("  02 Allocate two desc. of Length:LENGTH(Des1) & (LENGTH-OFFSET)(Des2):"));

	TBuf8<1000> *aDes1, *aDes2;

    CleanupStack::PushL( aDes1 = new(ELeave) TBuf8<1000> );

    CleanupStack::PushL( aDes2 = new(ELeave) TBuf8<1000> );

	aDes1->SetLength(aLength);

	aDes2->SetLength(aLength-aOffset);

	//-------------- substep 3 --------------------

	Log(_L("  03 Fill in Des1 with a pattern:"));

	StripeDes(*aDes1, 0, aLength, '@', 'Z');

	//-------------- substep 4 --------------------

	Log(_L("  04 Fill in Des2 with zeros:"));

	StripeDes(*aDes2, 0, aLength-aOffset, 0, 0);

	//-------------- substep 5 --------------------

	Log(_L("  05 Allocate Chain:"));

	RMBufChain aChain;

	TRAPD(ret,aChain.AllocL(aLength));

	if (ret != KErrNone)

		{

		Log(_L("Error: Couldn't allocate RMBuf:"));

#ifdef __CFLOG_ACTIVE

		__CFLOG_CLOSE;

		__CFLOG_DELETE;

#endif

		User::Leave(EFail);

		}

	//-------------- substep 6 --------------------

	Log(_L("  06 Copy in Des1 into Chain1:"));

	aChain.CopyIn(*aDes1);

	//-------------- substep 7 --------------------

	Log(_L("  07 TrimStart Chain1 at OFFSET position (actually, remove the 1st OFFSET bytes:"));

	aChain.TrimStart(aOffset);

	//-------------- substep 8 --------------------

	Log(_L("  08 Check the length of the chain. It should be (LENGTH - OFFSET):"));

	TInt temp;

	if ( (temp = aChain.Length()) != aLength-aOffset)

		{

		Log(_L("Error: Chain length is %d instead of %d"), temp, aLength-aOffset);

		aChain.Free();

#ifdef __CFLOG_ACTIVE

		__CFLOG_CLOSE;

		__CFLOG_DELETE;

#endif

		User::Leave(EFail);

		}

	//-------------- substep 09 --------------------

	Log(_L("  09 Copy the last (LENGTH-OFFSET) bytes of Des1 into the start of Des1:"));

	(void)Mem::Copy((TUint8 *)aDes1->Ptr(), (TUint8 *)aDes1->Ptr()+aOffset, aLength-aOffset);

	//-------------- substep 10 --------------------

	Log(_L("  10 Set the length of Des1 to value LENGTH-OFFSET"));

	aDes1->SetLength(aLength-aOffset);

	//-------------- substep 11 --------------------

	Log(_L("  11 Copy out Chain into Des2:"));

	aChain.CopyOut(*aDes2);

	//-------------- substep 12 --------------------

	Log(_L("  12 Compare the content of Des1 & Des2:"));

	if(aDes1->Compare(*aDes2))

		{

		aChain.Free();

		Log(_L("Error: The content is not the same"));

#ifdef __CFLOG_ACTIVE

		__CFLOG_CLOSE;

		__CFLOG_DELETE;

#endif

		User::Leave(EFail);

		}

	//-------------- substep 13 --------------------

	Log(_L("  13 Free the chains. Clean up stack:"));

	aChain.Free();

    CleanupStack::PopAndDestroy(aDes2);

    CleanupStack::PopAndDestroy(aDes1);

    CleanupStack::PopAndDestroy();

	CActiveScheduler::Install(NULL);

	CleanupStack::PopAndDestroy(iActSch);

#ifdef __CFLOG_ACTIVE

	__CFLOG_CLOSE;

	__CFLOG_DELETE;

#endif

 	__UHEAP_MARKEND;

	return EPass;

	}