--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicstest/graphicstestharness/src/graphicsmemoryhogger.cpp	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,127 @@
+// 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:
+//
+
+/**
+ @file
+ @test
+ @internalComponent - Internal Symbian test code 
+*/
+
+#include <e32debug.h>
+#include <e32base.h>
+#include <e32math.h>
+#include <s32file.h>
+#include <bautils.h>
+#include <hal.h>
+#include "graphicsmemoryhogger.h"
+
+_LIT(KTGraphicsMemoryHoggerPanic, "TGfxMemHog");
+
+GLDEF_C TInt E32Main()
+	{
+	RDebug::Print(_L("Graphics Memory Hogger::E32Main - entry"));
+
+	CTrapCleanup* TheTrapCleanup = CTrapCleanup::New();
+
+	TRAPD(err, StartTestL());
+	if (err)
+		{
+		User::Panic(KTGraphicsMemoryHoggerPanic,err);
+		}
+
+    delete TheTrapCleanup;
+
+	RDebug::Print(_L("Graphics Memory Hogger::E32Main - exit"));
+	return KErrNone;
+	}
+
+LOCAL_C void StartTestL(void)
+	{
+	RDebug::Print(_L("Graphics Memory Hogger::StartTestL - entry"));
+	
+	TMemoryInfoV1Buf membuf;
+	UserHal::MemoryInfo(membuf);
+	const TReal maxmem = membuf().iTotalRamInBytes;
+	RDebug::Print(_L("GfxMemHog::TotalRamInBytes: %f"), maxmem);
+	
+	TInt pageSize = 0;
+	HAL::Get(HAL::EMemoryPageSize, pageSize);
+	RDebug::Print(_L("GfxMemHog::pageSize: %d"), pageSize);
+	
+	TInt maxHeap = 0;
+	HAL::Get(HALData::EMemoryRAM, maxHeap);
+	_LIT(KTGfxMemoryHogger, "GfxMemHog");
+
+	RHeap* myHeap;
+	myHeap = UserHeap::ChunkHeap(&KTGfxMemoryHogger, pageSize, maxmem);
+
+	const TInt KOneSecond = 1000000;
+	
+	TInt newSize = pageSize;
+	// allocate an initial cell with size equal to the page size
+	TAny * myCell = myHeap->Alloc(newSize);
+	TAny * myCell2 = NULL;
+	
+	// for each cycle increase the memory allocated to the cell until
+	// the max is reached, at which point reset back to a cell of the
+	// size of a page. A second loop is used to write to memory locations
+	// in each page of the cell to ensure that the page is 'paged in'
+	FOREVER
+		{
+		newSize += pageSize*10;
+		TInt size = myHeap->Size();
+		
+		myCell2 = myHeap->ReAlloc(myCell, newSize);
+		
+		if (myCell2 == NULL)
+			{
+			RDebug::Print(_L("GfxMemHog::ERROR: size reached = %d"), size);
+			newSize = pageSize; //reset
+			myCell = myHeap->ReAlloc(myCell, newSize);
+			
+			if (myCell == NULL)
+				{
+				RDebug::Print(_L("GfxMemHog::ERROR: Could not ReAlloc(myCell)"));
+				break;
+				}
+			}
+		else
+			{
+			RDebug::Print(_L("GfxMemHog::myHeap.Size() = %d"), myHeap->Size());
+			
+			TInt index = 0;
+			TInt stop = (myHeap->AllocLen(myCell) - pageSize)/4;
+			RDebug::Print(_L("GfxMemHog::stop = %d"), stop);
+			RDebug::Print(_L("GfxMemHog::myCell.AllocLen() = %d"), myHeap->AllocLen(myCell));
+			TInt loopCount = 0;
+			
+			// write to each page of memory in the heap
+			while(index<stop)
+				{
+				loopCount++;
+				TInt * myData = ((TInt *) myCell2) + index;
+				*myData = index;
+				index += pageSize/4;
+				}
+			RDebug::Print(_L("GfxMemHog::Loop count = %d"), loopCount);			
+			}
+		
+		User::After(KOneSecond);
+		}
+	
+		
+	RDebug::Print(_L("Graphics Memory Hogger::StartTestL - exit"));
+	}
+