// Copyright (c) 2008 Symbian Ltd.  All rights reserved.

//

//

// Contributors:

//

// Description:

// Contains MBufMgr Test Step 03

// 

//

// 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 "Test03AllocLeave.h"

#include <comms-infras/commsbufpond.h>

// constructor

CTest03AllocLeave::CTest03AllocLeave()

	{

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

	}

// destructor

CTest03AllocLeave::~CTest03AllocLeave() 

	{

	}

// 

enum TVerdict CTest03AllocLeave::doTestStepL(void)

	{

	SetTestStepResult(EFail);

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

	INFO_PRINTF1(_L("  01 Create CMBufManager (with 15K alloc memory) and install active scheduler:"));

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

	CActiveScheduler::Install(iActSch);

	CreateInstanceMBufMgrL(65536);

	CleanupClosePushL(iBufPond);

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

	RMBuf* mbufs[14];

	TInt i;

	INFO_PRINTF1(_L("  02 Allocate 42000-bytes long worth of mbufs"));

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

		{

		mbufs[i] = static_cast<RMBuf*>(iBufPond.Alloc(3000, 0, KMaxTInt));

		if (mbufs[i] == NULL)

			{

			INFO_PRINTF1(_L("Error: Couldn't allocate RMBuf:"));

			User::Leave(EFail);

			}	

		}

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

	INFO_PRINTF1(_L("  03 Allocate 8192-bytes long RMBuf2:"));

	RMBuf* aMBuf2 = NULL;

	RMBufChain chain;

	TInt ret;

	TRAP(ret,chain.AllocL(16384);)

	if (ret != KErrNone)

		{

		INFO_PRINTF1(_L("Info: Couldn't allocate RMBuf as it should be so."));

		if (ret == KErrNoMBufs)

			{

			SetTestStepResult(EPass);

			}

		else

			{

			INFO_PRINTF2(_L("Error: The reason AllocL has failed with %d"),KErrNoMBufs);

			SetTestStepResult(EFail);

			}

		}

	//INFO_PRINTF2(_L("  Heap Size after failed alloc %d"),iMBMngr->__DbgGetHeapSize());

	// Cleanup .

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

	INFO_PRINTF1(_L("  04 Deallocate RMBufs (1, 2 & 3):"));

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

		{

		mbufs[i]->Free();

		}

	if (aMBuf2 != NULL)

		aMBuf2->Free();

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

	INFO_PRINTF1(_L("  05 Clean up stack:"));

    CleanupStack::PopAndDestroy();

	CActiveScheduler::Install(NULL);

	CleanupStack::PopAndDestroy(iActSch);

	return TestStepResult();

}