/*

* Copyright (c) 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: ExifLibTest

*

*/

#include "ExifLibTestInc.h"

// Exif.Tag.001

// Duplicate an existing tag, and get related information of the tag.

// Created tag instance is returned.

void CExifTagTest::ExifTag001L()

	{

	HBufC8* exif = TUtils::ReadFileL(iFs, KFullExif);

	CleanupStack::PushL(exif);

	CExifRead* read = CExifRead::NewL(*exif);

	if(!read)

		User::Leave(KErrGeneral);

	const CExifTag* tag = read->GetTagL(EIfd0, KIdImageDescription);

	CExifTag* copyTag = tag->DuplicateL();

	if(!copyTag)

		User::Leave(KErrGeneral);

	CleanupStack::PushL(copyTag);

	if(copyTag->TagInfo().iId != KIdImageDescription)

		User::Leave(KErrGeneral);

	if(copyTag->TagInfo().iDataType != CExifTag::ETagAscii)

		User::Leave(KErrGeneral);

	if(copyTag->TagInfo().iDataCount != tag->TagInfo().iDataCount)

		User::Leave(KErrGeneral);

	if(copyTag->Data().Length() != tag->TagInfo().iDataCount)

		User::Leave(KErrGeneral);

	CleanupStack::PopAndDestroy(copyTag);

	CleanupStack::PopAndDestroy(read);

	CleanupStack::PopAndDestroy(exif);

	}

// Exif.Tag.MEM.002

// Test the behavior of the previous test cases in OOM situations.

// Successfully operates or leaves with OOM error, without any memory leaks.

void CExifTagTest::ExifTag002L()

	{

	// EXIF.TAG.001 

	TInt error = KErrGeneral;

#if ( ( defined __WINS__ ) || ( defined __WINSCW__) )

	for(TInt i = 1; i < 50 && error != KErrNone; i++)

#else

	for(TInt i = 1; i < 10 && error != KErrNone; i++)

#endif

		{

#if ( ( defined __WINS__ ) || ( defined __WINSCW__) )

		__UHEAP_SETFAIL( RHeap::EFailNext, i );

#else

        __UHEAP_SETFAIL( RHeap::ERandom, i );

#endif

		TRAP(error, ExifTag001L());

		if(error)

			{

			if(error != KErrNoMemory)

				{

				__UHEAP_SETFAIL( RHeap::ENone, 0 );

				User::Leave(KErrGeneral);

				}

			}

		}

	__UHEAP_SETFAIL( RHeap::ENone, 0 );

	}