diff -r 000000000000 -r dfb7c4ff071f datacommsserver/esockserver/test/te_mecunittest/src/mectest050step.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datacommsserver/esockserver/test/te_mecunittest/src/mectest050step.cpp	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,85 @@
+// 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:
+//
+// mectest050step.cpp
+//
+
+/**
+@file
+*/
+
+#include "mectest050step.h"
+#include "testextensions.h"
+#include "metaextensioncontainerspy.h"
+#include <comms-infras/ss_rmetaextensioncontainer.h>
+#include <comms-infras/ss_commsprov.h>
+
+using namespace ESock;
+
+CMecTest050Step::~CMecTest050Step()
+    {
+    }
+
+
+/**
+//! @SYMTestCaseID      MEC_UNIT_TEST_050
+//! @SYMTestCaseDesc 	Container Merging Test, Open container and append the same container implementation twice
+//! @SYMFssID 			COMMS-INFRAS/Esock/MetaExtensionContainer/UnitTest
+//! @SYMTestActions 	1) Open container cont1
+//						2) AppendExtension T1
+//						3) Open constMec1 against cont1
+//						4) Open constMec2 against cont1
+//						5) Open container cont2
+//						6) AppendContainerL constMec1
+//						7) AppendContainerL constMec2 == KErrAlreadyExists
+//						8) Close
+//! @SYMTestExpectedResults  KErrNone.
+*/
+TVerdict CMecTest050Step::RunTestStepL()
+    {
+    TVerdict result = EFail;
+
+    RMetaExtensionContainer cont1;
+    cont1.Open();
+    CleanupClosePushL(cont1);
+    CreateAndAppendExtensionL(cont1, TTestExtension1::ETypeId);
+    
+    RMetaExtensionContainerC constMec1;
+    constMec1.Open(cont1);
+    CleanupClosePushL(constMec1);
+
+    RMetaExtensionContainerC constMec2;
+    constMec2.Open(cont1);
+    CleanupClosePushL(constMec2);
+
+    RMetaExtensionContainer cont2;
+    cont2.Open();
+    CleanupClosePushL(cont2);
+    
+    cont2.AppendContainerL(constMec1);
+    
+    TRAPD(err, cont2.AppendContainerL(constMec2));
+    if (err == KErrAlreadyExists)
+    	{
+    	result = EPass;
+    	}
+    
+    CleanupStack::PopAndDestroy(&cont2);
+    CleanupStack::PopAndDestroy(&constMec2);
+    CleanupStack::PopAndDestroy(&constMec1);
+    CleanupStack::PopAndDestroy(&cont1);
+    
+    return result;    
+    }
+