--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwutils/commsbufs/TS_mbufmgr/Test19Prepend.cpp	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,254 @@
+// Copyright (c) 2008-2009 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:
+// Test19Prepend.cpp
+// Contains MBufMgr Test Step 19 for Prepend() methods
+//
+//
+
+// EPOC includes
+#include <e32base.h>
+
+// Test system includes
+#ifdef SYMBIAN_OLD_EXPORT_LOCATION
+#include "networking/log.h"
+#include "networking/teststep.h"
+#else
+#include <networking/log.h>
+#include <networking/teststep.h>
+#endif
+
+#include "TestStepCTMbufmgr.h"
+#include "TestSuiteCTMbufmgr.h"
+
+#include "Test19Prepend.h"
+
+// constructor
+CTest19Prepend::CTest19Prepend()
+	{
+	iTestStepName = _L("MBufMgrTest19");// Store the name of this test case
+	}
+
+// destructor
+CTest19Prepend::~CTest19Prepend()
+	{
+	}
+
+//
+enum TVerdict CTest19Prepend::doTestStepL(void)
+	{
+	__UHEAP_MARK;
+
+#ifdef __CFLOG_ACTIVE
+	__CFLOG_CREATEL;
+	__CFLOG_OPEN;
+#endif
+
+	//-------------- substep 1 --------------------
+	Log(_L("  01 Create CMBufManager and install active scheduler:"));
+    CleanupStack::PushL( iActSch = new(ELeave) CActiveScheduler );
+	CActiveScheduler::Install(iActSch);
+
+	RArray<TCommsBufPoolCreateInfo> poolInfoArray;
+	TCommsBufPoolCreateInfo createInfo;
+	createInfo.iBufSize = 128;
+	createInfo.iInitialBufs = 128;
+	createInfo.iGrowByBufs = 64;
+	createInfo.iMinFreeBufs = 40;
+	createInfo.iCeiling = (KMBufDefaultHeapSize / 2)/createInfo.iBufSize;
+	poolInfoArray.AppendL(createInfo);
+	CreateInstanceMBufMgrL(poolInfoArray);
+	CleanupClosePushL(iBufPond);
+	poolInfoArray.Close ();
+
+	TBool firstFail = EFalse;
+	TBool secondFail = EFalse;
+	TInt ret;
+	RMBufChain chain,chain2;
+
+	//-------------- substep 2 --------------------
+	Log(_L("  02 Prepend 20 bytes to an empty chain"));
+	ret = chain.Prepend(20);
+	if (ret != KErrNone)
+		{
+		Log(_L("Error: Couldn't prepend:"));
+		firstFail = ETrue;
+		}
+	else
+		{
+	    if(chain.NumBufs() != 1)
+	        {
+		    Log(_L("Error: Wrong number of MBufs allocated:"));
+			secondFail = ETrue;
+		    }
+		if(chain.Length() != 20)
+			{
+		    Log(_L("Error: Wrong number of bytes prepended:"));
+			secondFail = ETrue;
+			}
+		//-------------- substep 3 --------------------
+		Log(_L("  03 Deallocating RMBufChain"));
+		chain.Free();
+		}
+
+	//-------------- substep 4 --------------------
+	Log(_L("  04 Prepend 200 bytes to an empty chain"));
+    ret = chain.Prepend(200);
+	if (ret != KErrNone)
+		{
+		Log(_L("Error: Couldn't prepend:"));
+		firstFail = ETrue;
+		}
+	else
+		{
+	    if(chain.NumBufs() != 2)
+	        {
+		    Log(_L("Error: Wrong number of MBufs allocated:"));
+			secondFail = ETrue;
+		    }
+		if(chain.Length() != 200)
+			{
+		    Log(_L("Error: Wrong number of bytes prepended:"));
+			secondFail = ETrue;
+			}
+		//-------------- substep 6 --------------------
+		Log(_L("  05 Deallocating RMBufChain"));
+		chain.Free();
+		}
+	//-------------- substep 6 --------------------
+	Log(_L("  06 Prepend 20 bytes to an existing chain"));
+	ret = chain.Alloc(20);
+	if (ret != KErrNone)
+	    {
+        Log(_L("Error: Couldn't allocate initial chain:"));
+        firstFail = ETrue;
+	    }
+    else
+        {
+		ret = chain.Prepend(20);
+		if (ret != KErrNone)
+			{
+			Log(_L("Error: Couldn't prepend:"));
+			firstFail = ETrue;
+			}
+		else
+			{
+			if(chain.NumBufs() != 2)
+				{
+				Log(_L("Error: Wrong number of MBufs allocated:"));
+				secondFail = ETrue;
+				}
+			if(chain.Length() != 40)
+				{
+				Log(_L("Error: Wrong number of bytes:"));
+				secondFail = ETrue;
+				}
+		    //-------------- substep 7 --------------------
+			Log(_L("  07 Deallocating RMBufChain"));
+			chain.Free();
+			}
+		}
+	//-------------- substep 8 --------------------
+	Log(_L("  08 Prepend 200 bytes to an existing chain"));
+	ret = chain.Alloc(20);
+	if (ret != KErrNone)
+	    {
+        Log(_L("Error: Couldn't allocate initial chain:"));
+        firstFail = ETrue;
+	    }
+    else
+        {
+		ret = chain.Prepend(200);
+		if (ret != KErrNone)
+			{
+			Log(_L("Error: Couldn't prepend:"));
+			firstFail = ETrue;
+			}
+		else
+			{
+			if(chain.NumBufs() != 3)
+				{
+				Log(_L("Error: Wrong number of MBufs allocated:"));
+				secondFail = ETrue;
+				}
+			if(chain.Length() != 220)
+				{
+				Log(_L("Error: Wrong number of bytes:"));
+				secondFail = ETrue;
+				}
+		    //-------------- substep 9 --------------------
+			Log(_L("  09 Deallocating RMBufChain"));
+			chain.Free();
+			}
+		}
+	//-------------- substep 10 --------------------
+	Log(_L("  10 Prepend one chain onto another chain"));
+	ret = chain.Alloc(20);
+	if (ret != KErrNone)
+	    {
+        Log(_L("Error: Couldn't allocate initial chain:"));
+        firstFail = ETrue;
+	    }
+    else
+        {
+		ret = chain2.Alloc(200);
+		if (ret != KErrNone)
+			{
+			Log(_L("Error: Couldn't allocate second chain:"));
+			firstFail = ETrue;
+			}
+		else
+			{
+			RMBuf* first = chain2.First();
+			chain.Prepend(chain2);
+
+			if(chain.NumBufs() != 3)
+				{
+				Log(_L("Error: Wrong number of MBufs in the chain:"));
+				secondFail = ETrue;
+				}
+			if(chain.Length() != 220)
+				{
+				Log(_L("Error: Wrong number of bytes:"));
+				secondFail = ETrue;
+				}
+			if(chain.First() != first)
+			    {
+				Log(_L("Error: chain2 not prepended correctly:"));
+				secondFail = ETrue;
+				}
+		    //-------------- substep 11 --------------------
+			Log(_L("  11 Deallocating RMBufChains"));
+			chain2.Free();
+			}
+		chain.Free();
+		}
+	//-------------- substep 12 --------------------
+	Log(_L("  12 Clean up stack:"));
+    CleanupStack::PopAndDestroy(); // pond
+	CActiveScheduler::Install(NULL);
+	CleanupStack::PopAndDestroy(iActSch);
+
+#ifdef __CFLOG_ACTIVE
+	__CFLOG_CLOSE;
+	__CFLOG_DELETE;
+#endif
+    __UHEAP_MARKEND;
+
+    if (firstFail || secondFail)
+    	{
+    	return EFail;
+    	}
+
+	return EPass;
+	}