diff -r 000000000000 -r bde4ae8d615e os/ossrv/lowlevellibsandfws/pluginfw/Test_Bed/inc/StateAccessor.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/ossrv/lowlevellibsandfws/pluginfw/Test_Bed/inc/StateAccessor.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,76 @@
+// Copyright (c) 1997-2009 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:
+// This file contains the definition of the class MStateAccessor
+// 
+//
+
+/**
+ @test
+*/
+
+#ifndef __STATEACCESSOR_H__
+#define __STATEACCESSOR_H__
+
+#include <e32base.h>
+
+/**
+	@internalAll	
+	Comments : Mixin which is used to define a class used for state checking of 
+	a test object.
+ */
+
+class MStateAccessor
+	{
+public:
+/**
+	@fn				InvariantTest(TAny* aTestObject) = 0
+	Intended Usage	:	Override this in the derived class to implement 
+						invariant testing
+	@since			7.0
+	@param			aTestObject The object to be tested
+	@return			One of the EPOC standard error codes indicating the result of the test
+	@pre 			A valid test object must be passed in
+	@post			Returns an error code dependant on the result of the test
+ */
+	
+	virtual TInt InvariantTest(TAny* aTestObject) = 0;
+/**
+	@fn				Internalize(TAny* aTestObject) = 0
+	Intended Usage	:	Override this in the derived class to implement 
+						object state loading.
+	@since			7.0
+	@param			aTestObject The object to be tested
+	@return			One of the EPOC standard error codes indicating the outcome of the attempt
+	to load the object state.
+	@pre 			A valid test object must be passed in
+	@post			Returns an error code dependant on the result of the test
+ */
+	
+	virtual TInt Internalize(TAny* aTestObject) = 0;
+/**
+	@fn				Externalize(TAny* aTestObject) = 0
+	Intended Usage	:	Override this in the derived class to implement 
+						object state persistence.
+	@since			7.0
+	@param			aTestObject The object to be tested
+	@return			One of the EPOC standard error codes indicating the outcome of attempt
+	to externalize the object.
+	@pre 			A valid test object must be passed in
+	@post			Returns an error code dependant on the result of the test
+ */
+	
+	virtual TInt Externalize(TAny* aTestObject) = 0;
+	};
+
+#endif