// 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 "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:

 //

 /**

  @file

  @test

  @internalComponent - Internal Symbian test code 

 */

 #ifndef __TINTERLEAVING_H__

 #define __TINTERLEAVING_H__

 #include "tdirectgdi_test_step_base.h"

 /**

 Base class for Interleaving family tests.

 */

 class CTInterleaving : public CTDirectGdiStepBase

 	{

 public:

 	CTInterleaving();

 	~CTInterleaving();

 private:

 	// Main test methods

 	void TestSyncL();

 	void TestAsyncL(TBool aDebug=EFalse);

 	// Helper functions

 	void DrawDirectGdiCheckboardToTarget();

 	void DrawDirectGdiBarsToTarget();

 	void DrawImageToTargetL(TSgDrawableId aImageId);

 	// From CStepStep

 	virtual TVerdict doTestStepPreambleL();

 	virtual TVerdict doTestStepL();	

 	virtual TVerdict doTestStepPostambleL();

 	// from CTDirectGdiStepBase

 	void RunTestsL();

 	};		

 _LIT(KTDirectGdiInterleavingStep,"TDirectGDIInterleaving");

 #endif