/*

* 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.Create.001

// Instantiate an Exif modifier with valid Jpeg image

// Created Exif modifier instance in ECreate mode is returned.

void CExifCreateTest::ExifCreate001L()

	{

	HBufC8* jpeg = TUtils::ReadFileL(iFs, KValidJpeg);

	CleanupStack::PushL(jpeg);

	CExifModify* modify = CExifModify::NewL(*jpeg, CExifModify::ECreate);

	if(!modify)

		User::Leave(KErrGeneral);

	delete modify;

	CleanupStack::PopAndDestroy(jpeg);

	}

// Exif.Create.002

// Try to instantiate an Exif modifier with invalid/ corrupted Jpeg image

// Leaves with proper error code.

void CExifCreateTest::ExifCreate002L()

	{

	// Various invalid/ corrupted Jpeg images

    // Not baseline Jpeg

	HBufC8* jpeg = TUtils::ReadFileL( iFs, KInvalidJpeg1 );

	CleanupStack::PushL( jpeg );

	CExifModify* modify = 0;

    TRAPD( error, modify = CExifModify::NewL(*jpeg, CExifModify::ECreate) );

    if ( ( error != KErrNotSupported ) || ( modify ) )

        {

        if ( modify )

            {

            delete modify;

            }

        if ( error )

            {

		    User::Leave( error );

            }

        User::Leave( KErrGeneral );

        }

	CleanupStack::PopAndDestroy( jpeg );

    // No SOI

	jpeg = TUtils::ReadFileL( iFs, KInvalidJpeg2 );

	CleanupStack::PushL( jpeg );

	TRAP( error, modify = CExifModify::NewL(*jpeg, CExifModify::ECreate) );

    if ( ( error != KErrCorrupt ) || ( modify ) )

        {

        if ( modify )

            {

            delete modify;

            }

        if ( error )

            {

		    User::Leave( error );

            }

        User::Leave( KErrGeneral );

        }

	CleanupStack::PopAndDestroy( jpeg );

    // No EOI

	jpeg = TUtils::ReadFileL( iFs, KInvalidJpeg3 );

	CleanupStack::PushL( jpeg );

	TRAP( error, modify = CExifModify::NewL(*jpeg, CExifModify::ECreate) );

    if ( ( error != KErrCorrupt ) || ( modify ) )

        {

        if ( modify )

            {

            delete modify;

            }

        if ( error )

            {

		    User::Leave( error );

            }

        User::Leave( KErrGeneral );

        }

	CleanupStack::PopAndDestroy( jpeg );

	jpeg = TUtils::CreateDummyBufL( 120000 );

    CleanupStack::PushL( jpeg );

	HBufC8* jpeg2 = TUtils::ReadFileL( iFs, KValidJpeg );

    jpeg->Des().Copy( jpeg2->Ptr(), jpeg->Length() / 1000 );

    jpeg->Des().SetLength(120000);

    delete jpeg2;

    jpeg2 = 0;

	TRAP( error, modify = CExifModify::NewL(*jpeg, CExifModify::ECreate) );

    if ( ( error != KErrCorrupt ) || ( modify ) )

        {

        if ( modify )

            {

            delete modify;

            }

        if ( error )

            {

		    User::Leave( error );

            }

        User::Leave( KErrGeneral );

        }

	CleanupStack::PopAndDestroy( jpeg );

    }

// Exif.Create.003

// Retrieve reader instance for the related Exif data.

// Returns unmodifiable reader instance.

void CExifCreateTest::ExifCreate003L()

	{

	HBufC8* jpeg = TUtils::ReadFileL(iFs, KValidJpeg);

	CleanupStack::PushL(jpeg);

	CExifModify* modify = CExifModify::NewL(*jpeg, CExifModify::ECreate);

	CleanupStack::PushL(modify);

	const CExifRead* reader = modify->Reader();

	if(!reader)

		User::Leave(KErrGeneral);

	CleanupStack::PopAndDestroy(modify);

	CleanupStack::PopAndDestroy(jpeg);

	}

// Exif.Create.004

// Insert/ Update a valid tag into the specified IFD in Exif data.

// The given tag instance is inserted or updated.

void CExifCreateTest::ExifCreate004L()

	{

//For each IFD.

	HBufC8* jpeg = TUtils::ReadFileL(iFs, KValidJpeg);

	CleanupStack::PushL(jpeg);

	CExifModify* modify = CExifModify::NewL(*jpeg, CExifModify::ECreate);

	CleanupStack::PushL(modify);

	HBufC8* buf = TUtils::CreateDummyBufL(16);

	CleanupStack::PushL(buf);

	TExifTagInfo tag(KIdImageDescription, CExifTag::ETagAscii, 16);

	modify->SetTagL(EIfd0, tag, buf->Des());

	CleanupStack::PopAndDestroy(buf);

	buf = TUtils::CreateDummyBufL(20);

	CleanupStack::PushL(buf);

	tag.iId = KIdUserComment;

	tag.iDataType = CExifTag::ETagUndefined;

	tag.iDataCount = 20; 

	modify->SetTagL(EIfdExif, tag, buf->Des());

	CleanupStack::PopAndDestroy(buf);

	buf = TUtils::CreateDummyBufL(2);

	CleanupStack::PushL(buf);

	*(reinterpret_cast<TUint16*>(const_cast<TUint8*>(buf->Ptr()))) = 0;

	tag.iId = KIdExposureProgram;

	tag.iDataType = CExifTag::ETagShort;

	tag.iDataCount = 1;

	modify->SetTagL(EIfdExif, tag, buf->Des());

	CleanupStack::PopAndDestroy(buf);

	buf = TUtils::CreateDummyBufL(1);

	CleanupStack::PushL(buf);

	tag.iId = 3;

	tag.iDataType = CExifTag::ETagAscii;

	tag.iDataCount = 1;

	modify->SetTagL(EIfdGps, tag, buf->Des());

	CleanupStack::PopAndDestroy(buf);

	buf = TUtils::CreateDummyBufL(3);

	CleanupStack::PushL(buf);

	tag.iId = 1;

	tag.iDataType = CExifTag::ETagAscii;

	tag.iDataCount = 3;

	modify->SetTagL(EIfdIntOp, tag, buf->Des());

	CleanupStack::PopAndDestroy(buf);

	buf = TUtils::CreateDummyBufL(2);

	CleanupStack::PushL(buf);

	*(reinterpret_cast<TUint16*>(const_cast<TUint8*>(buf->Ptr()))) = 2;

	tag.iId = KIdResolutionUnit;

	tag.iDataType = CExifTag::ETagShort;

	tag.iDataCount = 1; 

	modify->SetTagL(EIfd1, tag, buf->Des());

	CleanupStack::PopAndDestroy(buf);

	CleanupStack::PopAndDestroy(modify);

	CleanupStack::PopAndDestroy(jpeg);	

	}

// Exif.Create.005

// Try to insert/ update an invalid tag into the specified IFD in Exif data.

// Leaves with proper error code.

void CExifCreateTest::ExifCreate005L()

	{

//* Tag is not allowed to be inserted into the specified IFD,

	HBufC8* jpeg = TUtils::ReadFileL(iFs, KValidJpeg);

	CleanupStack::PushL(jpeg);

	CExifModify* modify = CExifModify::NewL(*jpeg, CExifModify::ECreate);

	CleanupStack::PushL(modify);

	HBufC8* buf = TUtils::CreateDummyBufL(16);

	CleanupStack::PushL(buf);

	TExifTagInfo tag(KIdImageDescription, CExifTag::ETagAscii, 16);

	TRAPD(error, modify->SetTagL(EIfdExif, tag, buf->Des()));

	if(error != KErrNotSupported)

	{

		if(error)

			User::Leave(error);

		User::Leave(KErrGeneral);

	}

	CleanupStack::PopAndDestroy(buf);

	buf = TUtils::CreateDummyBufL(20);

	CleanupStack::PushL(buf);

	tag.iId = KIdUserComment;

	tag.iDataType = CExifTag::ETagUndefined;

	tag.iDataCount = 20; 

	TRAP(error, modify->SetTagL(EIfd1, tag, buf->Des()));

	if(error != KErrNotSupported)

	{

		if(error)

			User::Leave(error);

		User::Leave(KErrGeneral);

	}

	CleanupStack::PopAndDestroy(buf);

	buf = TUtils::CreateDummyBufL(2);

	CleanupStack::PushL(buf);

	*(reinterpret_cast<TUint16*>(const_cast<TUint8*>(buf->Ptr()))) = 0;

	tag.iId = KIdExposureProgram;

	tag.iDataType = CExifTag::ETagShort;

	tag.iDataCount = 1; 

	TRAP(error, modify->SetTagL(EIfd0, tag, buf->Des()));

	if(error != KErrNotSupported)

	{

		if(error)

			User::Leave(error);

		User::Leave(KErrGeneral);

	}

	CleanupStack::PopAndDestroy(buf);

	buf = TUtils::CreateDummyBufL(2);

	CleanupStack::PushL(buf);

	tag.iId = 3;

	tag.iDataType = CExifTag::ETagAscii;

	tag.iDataCount = 2; 

	TRAP(error, modify->SetTagL(EIfdIntOp, tag, buf->Des()));

	if(error != KErrNotSupported)

	{

		if(error)

			User::Leave(error);

		User::Leave(KErrGeneral);

	}

	CleanupStack::PopAndDestroy(buf);

	buf = TUtils::CreateDummyBufL(3);

	CleanupStack::PushL(buf);

	tag.iId = 1;

	tag.iDataType = CExifTag::ETagAscii;

	tag.iDataCount = 3; 

	TRAP(error, modify->SetTagL(EIfdExif, tag, buf->Des()));

	if(error != KErrNotSupported)

	{

		if(error)

			User::Leave(error);

		User::Leave(KErrGeneral);

	}

	CleanupStack::PopAndDestroy(buf);

	buf = TUtils::CreateDummyBufL(2);

	CleanupStack::PushL(buf);

	*(reinterpret_cast<TUint16*>(const_cast<TUint8*>(buf->Ptr()))) = 2;

	tag.iId = KIdResolutionUnit;

	tag.iDataType = CExifTag::ETagShort;

	tag.iDataCount = 1; 

	TRAP(error, modify->SetTagL(EIfdGps, tag, buf->Des()));

	if(error != KErrNotSupported)

	{

		if(error)

			User::Leave(error);

		User::Leave(KErrGeneral);

	}

	CleanupStack::PopAndDestroy(buf);

    //* The Exif data size exceeds 64K" 

	buf = TUtils::CreateDummyBufL(66000);

	CleanupStack::PushL(buf);

	tag.iId = 8;

	tag.iDataType = CExifTag::ETagAscii;

	tag.iDataCount = 66000; 

	TRAP(error, modify->SetTagL(EIfdGps, tag, buf->Des()));

	if(error != KErrOverflow)

	{

		if(error)

			User::Leave(error);

		User::Leave(KErrGeneral);

	}

	CleanupStack::PopAndDestroy(buf);

	// Tag ID is invalid,	

	buf = TUtils::CreateDummyBufL(19);

	CleanupStack::PushL(buf);

	tag.iId = 200;

	tag.iDataType = CExifTag::ETagAscii;

	tag.iDataCount = 19; 

	TRAP(error, modify->SetTagL(EIfdGps, tag, buf->Des()));

	if(error != KErrNotSupported)

	{

		if(error)

			User::Leave(error);

		User::Leave(KErrGeneral);

	}

	CleanupStack::PopAndDestroy(buf);

	//Tag ID doesn't match with the data type, (Full validity)

	//* Not supported yet!!!

	buf = TUtils::CreateDummyBufL(20);

	CleanupStack::PushL(buf);

	tag.iId = KIdImageDescription;

	tag.iDataType = CExifTag::ETagByte;

	tag.iDataCount = 20; 

	TRAP(error, modify->SetTagL(EIfd0, tag, buf->Des()));

	if(error != KErrNotSupported)

        {

        if(error)

            User::Leave(error);

		User::Leave(KErrGeneral);

        }

	CleanupStack::PopAndDestroy(buf);

	//*/

	//Data count doesn't match with the given tag data size

	buf = TUtils::CreateDummyBufL(19);

	CleanupStack::PushL(buf);

	tag.iId = KIdImageDescription;

	tag.iDataType = CExifTag::ETagAscii;

	tag.iDataCount = 24; 

	TRAP(error, modify->SetTagL(EIfd0, tag, buf->Des()));

	if(error != KErrArgument)

	{

		if(error)

			User::Leave(error);

		User::Leave(KErrGeneral);

	}

	CleanupStack::PopAndDestroy(buf);

	//Tag data value is not valid (Full validity) 

    // !!! DROPPED !!!

	/* Not supported yet!!!

	buf = TUtils::CreateDummyBufL(2);

	CleanupStack::PushL(buf);

	tag.iId = KIdImageDescription;

	tag.iDataType = CExifTag::ETagShort;

	tag.iDataCount = 2; 

	*(reinterpret_cast<TUint16*>(const_cast<TUint8*>(buf->Ptr()))) = 200;

	TRAP(error, modify->SetTagL(EIfdExif, tag, buf->Des()));

	if(error != KErrArgument)

	{

		if(error)

			User::Leave(error);

		User::Leave(KErrGeneral);

	}

	CleanupStack::PopAndDestroy(buf);

    */

    // Data length = 0

    buf = TUtils::CreateDummyBufL(2);

    buf->Des().SetLength(0);

	CleanupStack::PushL(buf);

	tag.iId = KIdImageDescription;

	tag.iDataType = CExifTag::ETagShort;

	tag.iDataCount = 2; 

	*(reinterpret_cast<TUint16*>(const_cast<TUint8*>(buf->Ptr()))) = 200;

	TRAP(error, modify->SetTagL(EIfdExif, tag, buf->Des()));

	if(error != KErrArgument)

	{

		if(error)

			User::Leave(error);

		User::Leave(KErrGeneral);

	}

	CleanupStack::PopAndDestroy(buf);

	CleanupStack::PopAndDestroy(modify);

	CleanupStack::PopAndDestroy(jpeg);	

	}

// Exif.Create.06

// Insert/ Update compressed Exif thumbnail image into the the Exif data.

// Inserts/ Updates the Exif thumbnail image

void CExifCreateTest::ExifCreate006L()

	{

	HBufC8* jpeg = TUtils::ReadFileL(iFs, KValidJpeg);

	CleanupStack::PushL(jpeg);

	CExifModify* modify = CExifModify::NewL(*jpeg, CExifModify::ECreate);

	CleanupStack::PushL(modify);

	HBufC8* thumbnail = TUtils::ReadFileL(iFs, KValidThumbnail);

	CleanupStack::PushL(thumbnail);

	modify->SetThumbnailL(thumbnail->Des());

	CleanupStack::PopAndDestroy(thumbnail);

	CleanupStack::PopAndDestroy(modify);

	CleanupStack::PopAndDestroy(jpeg);	

	}

// Exif.Create.007

// Try to Insert/ Update compressed Exif thumbnail image with in invalid cases.

// Leaves with proper error code.

void CExifCreateTest::ExifCreate007L()

	{

	TInt error = 0;

    HBufC8* jpeg = TUtils::ReadFileL(iFs, KValidJpeg);

	CleanupStack::PushL(jpeg);

    CExifModify* modify = 0;

    //"* Given thumbnail data is not valid compressed Exif thumbnail image, !! Not supported yet !!

    modify = CExifModify::NewL(*jpeg, CExifModify::ECreate);

	CleanupStack::PushL(modify);

    HBufC8* buf = TUtils::CreateDummyBufL(8000);

	CleanupStack::PushL(buf);

	TRAP( error, modify->SetThumbnailL(buf->Des()) );

    if ( error != KErrCorrupt )

        {

        if ( error )

            {

            User::Leave( error );

            }

        User::Leave( KErrGeneral );

        }

    CleanupStack::PopAndDestroy( buf );

//* The Exif data size exceeds 64K"

	TExifTagInfo tag(KIdImageDescription, CExifTag::ETagAscii, 60000);

    buf = TUtils::CreateDummyBufL(60000);

	CleanupStack::PushL(buf);

	modify->SetTagL(EIfd0, tag, buf->Des());

	CleanupStack::PopAndDestroy(buf);

	HBufC8* thumbnail = TUtils::ReadFileL(iFs, KValidThumbnail);

	CleanupStack::PushL(thumbnail);

	TRAP( error, modify->SetThumbnailL(thumbnail->Des()) );

    if ( error != KErrOverflow )

        {

        if ( error )

            {

            User::Leave( error );

            }

        User::Leave( KErrGeneral );

        }

	CleanupStack::PopAndDestroy(thumbnail);

	CleanupStack::PopAndDestroy(modify);

	CleanupStack::PopAndDestroy(jpeg);	

	}

// Exif.Create.008

// Write the final Exif image to a buffer.

// Writes the whole Exif image in a buffer, and returns the buffer.

void CExifCreateTest::ExifCreate008L()

	{

	HBufC8* jpeg = TUtils::ReadFileL(iFs, KValidJpeg);

	CleanupStack::PushL(jpeg);

	CExifModify* modify = CExifModify::NewL(*jpeg, CExifModify::ECreate);

	CleanupStack::PushL(modify);

	// Insert Tags

	HBufC8* buf = 0;

	TUint16 tmp1 = 0;

	TUint32 tmp3 = 0;

	TUint32 tmp4 = 0;

	tmp3 = 72;

	tmp4 = 1;

	modify->SetXResolutionL(tmp3, tmp4);

	modify->SetYResolutionL(tmp3, tmp4);

	tmp1 = 2;

	modify->SetResolutionUnitL(tmp1);

	tmp1 = 1;

	modify->SetYCbCrPositioningL(tmp1);

	tmp3 = 0x1230;

	modify->SetComponentsConfigurationL(1, 2, 3, 0);

	tmp1 = 1;

	modify->SetColorSpaceL(tmp1);

	tmp3 = 1024;

	modify->SetPixelXDimensionL(tmp3);

	tmp3 = 768;

	modify->SetPixelYDimensionL(tmp3);

	buf = TUtils::CreateDummyBufL(5);

	CleanupStack::PushL(buf);

	modify->SetImageDescriptionL(buf->Des());

	CleanupStack::PopAndDestroy(buf);

	buf = 0;

	buf = TUtils::CreateDummyBufL(768*2);

	CleanupStack::PushL(buf);

	modify->SetTransferFunctionL(buf->Des());

	CleanupStack::PopAndDestroy(buf);

	buf = 0;

	modify->SetExposureModeL(0);

	modify->SetWhiteBalanceL(0);

	modify->SetSceneCaptureTypeL(0);

	modify->SetExposureProgramL(0);

	modify->SetLightSourceL(0);

	buf = TUtils::CreateDummyBufL(16);

	CleanupStack::PushL(buf);

	modify->SetMakerNoteL(buf->Des());

	CleanupStack::PopAndDestroy(buf);