/*

* Copyright (c) 2007-2009 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: 

* Example CTestStep derived implementation

*

*/

/**

 @file

 @internalTechnology

*/

#include "randomnumbergeneratorgeneralusagestep.h"

#include <cryptospi/cryptorandomapi.h>

using namespace CryptoSpi;

CRandomNumberGeneratorGeneralUsageStep::~CRandomNumberGeneratorGeneralUsageStep()

	{

	}

CRandomNumberGeneratorGeneralUsageStep::CRandomNumberGeneratorGeneralUsageStep()

	{

	SetTestStepName(KRandomNumberGeneratorGeneralUsageStep);

	}

TVerdict CRandomNumberGeneratorGeneralUsageStep::doTestStepPreambleL()

	{

	SetTestStepResult(EPass);

	return TestStepResult();

	}

TVerdict CRandomNumberGeneratorGeneralUsageStep::doTestStepL()

	{

	if (TestStepResult()==EPass)

		{

		//Assume faliure, unless all is successful

		SetTestStepResult(EFail);

		INFO_PRINTF1(_L("*** Random Number Generator - General Usage ***"));

		INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());

		TVariantPtrC algorithmUid;

		//Extract the necessary parameters from the specified INI file

		if(!GetStringFromConfig(ConfigSection(),KConfigAlgorithmUid,algorithmUid))

			{

			ERR_PRINTF1(_L("** Error: Algorithm Uid Not Found **"));

			SetTestStepResult(EFail);

			}

		else

			{

			//Create a pointer for the Random Implementation Object

			CryptoSpi::CRandom* randomImpl = NULL;

			//Retrieve a Random Factory Object						

			TRAPD(err,CRandomFactory::CreateRandomL(randomImpl,

													algorithmUid,

													NULL)); 

			if(randomImpl && (err == KErrNone))

				{

				TBuf8<50> randomStr(50);

				INFO_PRINTF2(_L("*** randomStr Length: %d ***"),randomStr.Length());

				INFO_PRINTF2(_L("*** randomStr MaxLength: %d ***"),randomStr.MaxLength());

				TBuf<50> originalState;

				originalState.Copy(randomStr);

				INFO_PRINTF2(_L("*** Original Content: %S ***"),&originalState);

				TRAP_LOG(err,randomImpl->GenerateRandomBytesL(randomStr));

				//Copy the 8bit descriptor to 16bit using using a conversion macro

				TBuf<50> randomResult;

				randomResult.Copy(randomStr);

				if((randomResult != KEmptyString) && (randomResult != originalState) && (err == KErrNone))

					{

					INFO_PRINTF1(_L("*** Random Number Generator - General Usage : PASS ***"));

					SetTestStepResult(EPass);	

					}

				else

					{

					ERR_PRINTF1(_L("*** FAIL: Failed to Fill Random String ***"));

					SetTestStepResult(EFail);	

					}

				}

			else

				{

				ERR_PRINTF2(_L("*** Random Object Load Failure : %d ***"), err);

				User::Leave(err);	

				}

			//Free up the memory allocated to the Random object and set the point to NULL	

			delete randomImpl;

			randomImpl = NULL;

			}

		INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());

		}

	return TestStepResult();

	}

TVerdict CRandomNumberGeneratorGeneralUsageStep::doTestStepPostambleL()

	{

	return TestStepResult();

	}