// 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 03

// 

//

// EPOC includes

#include <e32base.h>

// Test system includes

#include <networking/log.h>

#include <networking/teststep.h>

#include "TestStepCTMbufmgr.h"

#include "TestSuiteCTMbufmgr.h"

#include "Test03AllocLeave.h"

// constructor

CTest03AllocLeave::CTest03AllocLeave()

	{

	iTestStepName = _L("MBufMgrTest03");// Store the name of this test case

	}

// destructor

CTest03AllocLeave::~CTest03AllocLeave()

	{

	}

//

enum TVerdict CTest03AllocLeave::doTestStepL(void)

	{

	__UHEAP_MARK;

#ifdef __CFLOG_ACTIVE

	__CFLOG_CREATEL;

	__CFLOG_OPEN;

#endif

	TVerdict verdict(EFail);

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

	Log(_L("  01 Create CMBufManager (with 15K alloc memory) and install active scheduler:"));

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

	CActiveScheduler::Install(iActSch);

	CleanupStack::PushL(CreateInstanceMBufMgrL(65536));

	if (!iMBMngr)

		{

		Log(_L("Error:Could not create MBuf manager"));

#ifdef __CFLOG_ACTIVE

		__CFLOG_CLOSE;

		__CFLOG_DELETE;

#endif

		User::Leave(EFail);

		}

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

	RMBuf* mbufs[14];

	TInt i;

	TInt ret;

	Log(_L("  02 Allocate 42000-bytes long worth of mbufs"));

	for (i = 0; i < sizeof(mbufs)/sizeof(mbufs[0]); ++i)

		{

		TRAP(ret,mbufs[i] = iMBMngr->AllocL(3000));

		Log(_L("  Heap Size after %d allocs : %d"),i,iMBMngr->__DbgGetHeapSize());

		if (ret != KErrNone)

			{

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

#ifdef __CFLOG_ACTIVE

			__CFLOG_CLOSE;

			__CFLOG_DELETE;

#endif

			User::Leave(EFail);

			}

		}

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

	Log(_L("  03 Allocate 8192-bytes long RMBuf2:"));

	RMBuf* aMBuf2=0;

	TRAP(ret,aMBuf2 = iMBMngr->AllocL(16384);)

	if (ret != KErrNone)

		{

		Log(_L("Info: Couldn't allocate RMBuf as it should be so."));

		if (ret == KErrNoMBufs)

			verdict =  EPass;

		else

			{

			Log(_L("Error: The reason AllocL has failed is %d instead of %d"),ret,KErrNoMBufs);

			verdict =  EFail;

			}

		}

	Log(_L("  Heap Size after failed alloc %d"),iMBMngr->__DbgGetHeapSize());

	// Cleanup .

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

	Log(_L("  04 Deallocate RMBufs (1, 2 & 3):"));

	for (i = 0; i < sizeof(mbufs)/sizeof(mbufs[0]); ++i)

		{

		iMBMngr->Free(mbufs[i]);

		}

	if (aMBuf2 != NULL)

		iMBMngr->Free(aMBuf2);

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

	Log(_L("  05 Clean up stack:"));

	CleanupStack::PopAndDestroy(iMBMngr);

	CActiveScheduler::Install(NULL);

	CleanupStack::PopAndDestroy(iActSch);

#ifdef __CFLOG_ACTIVE

	__CFLOG_CLOSE;

	__CFLOG_DELETE;

#endif

	__UHEAP_MARKEND;

	return verdict;

}