// 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 "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:

// Test19Align.cpp

// Contains MBufMgr Test Step 19 for Prepend() methods

// 

//

// EPOC includes

#include <e32base.h>

// Test system includes

#include <networking/log.h>

#include <networking/teststep.h>

#include "TestStepCTMbufmgr.h"

#include "TestSuiteCTMbufmgr.h"

#include "Test19Prepend.h"

// constructor

CTest19Prepend::CTest19Prepend()

	{

	iTestStepName = _L("MBufMgrTest19");// Store the name of this test case

	}

// destructor

CTest19Prepend::~CTest19Prepend()

	{

	}

//

enum TVerdict CTest19Prepend::doTestStepL(void)

	{

	__UHEAP_MARK;

#ifdef __CFLOG_ACTIVE

	__CFLOG_CREATEL;

	__CFLOG_OPEN;

#endif

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

	Log(_L("  01 Create CMBufManager and install active scheduler:"));

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

	CActiveScheduler::Install(iActSch);

	MMBufSizeAllocator* MBufSizeAllocator;

	CleanupStack::PushL(CreateInstanceMBufMgrL(KMBufDefaultHeapSize / 2, MBufSizeAllocator));

	// Create some initial pools

	MBufSizeAllocator->AddL(128,128,64,40);

	TBool firstFail = EFalse;

	TBool secondFail = EFalse;

	TInt ret;

	RMBufChain chain;

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

	Log(_L("  02 Prepend 20 bytes to an empty chain"));

	ret = chain.Prepend(20);

	if (ret != KErrNone)

		{

		Log(_L("Error: Couldn't prepend:"));

		firstFail = ETrue;

		}

	else

		{

	    if(chain.NumBufs() != 1)

	        {

		    Log(_L("Error: Wrong number of MBufs allocated:"));

			secondFail = ETrue;

		    }

		if(chain.Length() != 20)

			{

		    Log(_L("Error: Wrong number of bytes prepended:"));

			secondFail = ETrue;

			}

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

		Log(_L("  03 Deallocating RMBufChain"));

		chain.Free();

		}

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

	Log(_L("  04 Prepend 200 bytes to an empty chain"));

    ret = chain.Prepend(200);

	if (ret != KErrNone)

		{

		Log(_L("Error: Couldn't prepend:"));

		firstFail = ETrue;

		}

	else

		{

	    if(chain.NumBufs() != 2)

	        {

		    Log(_L("Error: Wrong number of MBufs allocated:"));

			secondFail = ETrue;

		    }

		if(chain.Length() != 200)

			{

		    Log(_L("Error: Wrong number of bytes prepended:"));

			secondFail = ETrue;

			}

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

		Log(_L("  05 Deallocating RMBufChain"));

		chain.Free();

		}

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

	Log(_L("  06 Prepend 20 bytes to an existing chain"));

	ret = chain.Alloc(20);

	if (ret != KErrNone)

	    {

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

        firstFail = ETrue;

	    }

    else

        {

		ret = chain.Prepend(20);

		if (ret != KErrNone)

			{

			Log(_L("Error: Couldn't prepend:"));

			firstFail = ETrue;

			}

		else

			{

			if(chain.NumBufs() != 2)

				{

				Log(_L("Error: Wrong number of MBufs allocated:"));

				secondFail = ETrue;

				}

			if(chain.Length() != 40)

				{

				Log(_L("Error: Wrong number of bytes:"));

				secondFail = ETrue;

				}

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

			Log(_L("  07 Deallocating RMBufChain"));

			chain.Free();

			}

		}

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

	Log(_L("  08 Prepend 200 bytes to an existing chain"));

	ret = chain.Alloc(20);

	if (ret != KErrNone)

	    {

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

        firstFail = ETrue;

	    }

    else

        {

		ret = chain.Prepend(200);

		if (ret != KErrNone)

			{

			Log(_L("Error: Couldn't prepend:"));

			firstFail = ETrue;

			}

		else

			{

			if(chain.NumBufs() != 3)

				{

				Log(_L("Error: Wrong number of MBufs allocated:"));

				secondFail = ETrue;

				}

			if(chain.Length() != 220)

				{

				Log(_L("Error: Wrong number of bytes:"));

				secondFail = ETrue;

				}

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

			Log(_L("  09 Deallocating RMBufChain"));

			chain.Free();

			}

		}

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

	Log(_L("  10 Clean up stack:"));

    CleanupStack::PopAndDestroy(iMBMngr);

	CActiveScheduler::Install(NULL);

	CleanupStack::PopAndDestroy(iActSch);

#ifdef __CFLOG_ACTIVE

	__CFLOG_CLOSE;

	__CFLOG_DELETE;

#endif

    __UHEAP_MARKEND;

    if (firstFail || secondFail)

    	{

    	return EFail;

    	}

	return EPass;

	}