diff -r 000000000000 -r bde4ae8d615e os/ossrv/lowlevellibsandfws/pluginfw/Framework/HeapTest/T_HeapTest.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/ossrv/lowlevellibsandfws/pluginfw/Framework/HeapTest/T_HeapTest.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,115 @@
+// Copyright (c) 2003-2009 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:
+// Actually - it has nothing to do with the heap.
+// It tests the case when we have a pointer to an interface, implemented
+// by the dll and dll is upgraded, the pointer needs to point to the upgraded version
+// 
+//
+
+#include <swi/launcher.h>
+#include <e32test.h>
+#include <f32file.h>
+#include <bautils.h>
+#include <ecom/ecom.h>
+#include "EComUidCodes.h"
+#include "HeapTestInterface.h"
+#include "tui.h"
+
+
+
+
+using namespace Swi;
+        
+LOCAL_D RTest test(_L("t_heaptest.exe"));
+_LIT(KSisFilePath,"Z:\\HeapTestImpl\\HeapTestImpl.sis");
+_LIT(KSisFilePath1,"Z:\\HeapTestImpl\\HeapTestImpl1.sis");
+
+  /**
+  @SYMTestCaseID          SYSLIB-ECOM-CT-0653
+  @SYMTestCaseDesc			Tests the case when we have a pointer to an interface, implemented
+							by the dll and dll is upgraded, the pointer needs to point to the upgraded version
+  @SYMTestPriority 	    High
+  @SYMTestActions  	    Query the interface,check the implementation UID,change its timestamp
+                          replace with newer version(timestamp).
+  @SYMTestExpectedResults The test must not fail.
+  @SYMREQ                 REQ0000
+ */
+
+
+void DoTestsL()
+	{
+
+		TPtrC str(KSisFilePath);
+		TPtrC str1(KSisFilePath1);
+		TFileName sisfilename;
+		sisfilename.Copy(str);
+		TUI *Ui = new(ELeave) TUI;
+		CleanupStack::PushL(Ui);
+
+		CInstallPrefs* prefs = CInstallPrefs::NewLC();
+			
+		
+		REComSession& session = REComSession::OpenL();
+		TRequestStatus status;
+		session.NotifyOnChange(status);
+		
+		RDebug::Printf("installing sis file base version:");
+		//install HeapTestImpl.sis
+		TInt err=Launcher::Install(*Ui, sisfilename,*prefs);
+		test(err==KErrNone);
+		User::WaitForRequest(status);
+		
+
+		//Create the interface
+		CHeapTestInterface* intrf = CHeapTestInterface::NewL();
+		intrf->DisplayMessage();
+		RDebug::Printf("installed HeapTestImpl.sis- Base version");
+		delete intrf;
+		
+		//This API is needed to install the upgraded plugin only on winscw
+		REComSession::FinalClose() ;
+
+		sisfilename.Copy(str1);
+		RDebug::Printf("installing HeapTestImpl.sis- Upgraded  version");
+		//install HeapTestImpl1.sis which is upgraded plugin
+		err=Launcher::Install(*Ui, sisfilename,*prefs);
+		test(err==KErrNone);  	
+		
+		CHeapTestInterface* intrf1 = CHeapTestInterface::NewL();
+		intrf1->DisplayMessage();
+		RDebug::Printf("installed HeapTestImpl.sis- Upgraded  version");
+		delete intrf1;
+	
+		CleanupStack::PopAndDestroy(2);
+		session.Close();
+		REComSession::FinalClose() ;
+	}
+
+
+GLDEF_C TInt E32Main()
+	{
+	__UHEAP_MARK;
+	test.Title();
+	test.Start(_L(" @SYMTestCaseID:SYSLIB-ECOM-CT-0653 HeapTest. "));
+	CTrapCleanup* cleanup = CTrapCleanup::New();
+
+	TRAPD(err, ::DoTestsL());
+	delete cleanup;
+	test(err==KErrNone);
+	test.End();
+	test.Close();
+	__UHEAP_MARKEND;
+	return err;
+	}
+