sl@0: // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test\misc\t_mem.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <e32test.h>
sl@0: #include "u32std.h"
sl@0: #include "../misc/prbs.h"
sl@0: 
sl@0: RTest test(_L("T_MEM"));
sl@0: 
sl@0: TInt E32Main()
sl@0: 	{
sl@0: 	test.Title();
sl@0: 	test.Start(_L("Create chunk"));
sl@0: 	TMemoryInfoV1 minfo;
sl@0: 	TPckg<TMemoryInfoV1> infoPckg(minfo);
sl@0: 	TInt r = UserHal::MemoryInfo(infoPckg);
sl@0: 	test(r==KErrNone);
sl@0: 	test.Printf(_L("MaxFree = %08x\n"), minfo.iMaxFreeRamInBytes);
sl@0: 	test.Printf(_L("Free = %08x\n"), minfo.iFreeRamInBytes);
sl@0: 	TInt overhead = ((minfo.iFreeRamInBytes + 0x003FFFFF)>>22)<<12;
sl@0: 	test.Printf(_L("Overhead = %08x\n"), overhead);
sl@0: 	TInt size = Min(minfo.iFreeRamInBytes-0x00100000, minfo.iFreeRamInBytes-overhead);
sl@0: 	test.Printf(_L("Initial = %08x\n"), size);
sl@0: 	RChunk c;
sl@0: 	r=c.CreateLocal(size, minfo.iFreeRamInBytes);
sl@0: 	test(r==KErrNone);
sl@0: 	while (r==KErrNone)
sl@0: 		{
sl@0: 		r = c.Adjust(size + 0x1000);
sl@0: 		if (r==KErrNone)
sl@0: 			size += 0x1000;
sl@0: 		};
sl@0: 	test.Printf(_L("Final = %08x\n"), size);
sl@0: 
sl@0: 	TUint seed[2];
sl@0: 	seed[0]=User::NTickCount();
sl@0: 	seed[1]=0;
sl@0: 	TUint8* p=c.Base();
sl@0: 	test.Printf(_L("Chunk Base %08x\n"),p);
sl@0: 	Mem::FillZ(p,size);
sl@0: 	TInt sizepg = size>>12;
sl@0: 	TUint iterations = 0;
sl@0: 	FOREVER
sl@0: 		{
sl@0: 		TUint x=Random(seed);
sl@0: 		x%=TUint(sizepg);
sl@0: 		TInt offset=x<<12;
sl@0: 		TUint init=Random(seed);
sl@0: 		TUint seed2[2];
sl@0: 		seed2[0]=init;
sl@0: 		seed2[1]=0;
sl@0: 		TUint* pW=(TUint*)(p+offset);
sl@0: 		*pW++=init;
sl@0: 		TInt i;
sl@0: 		for (i=1; i<1024; i++)
sl@0: 			*pW++=Random(seed2);
sl@0: 		TInt j;
sl@0: 		for (j=0; j<19; j++)
sl@0: 			{
sl@0: 			x=Random(seed);
sl@0: 			x%=TUint(sizepg);
sl@0: 			offset=x<<12;
sl@0: 			pW=(TUint*)(p+offset);
sl@0: 			seed2[0]=*pW++;
sl@0: 			seed2[1]=0;
sl@0: 			for (i=1; i<1024; i++)
sl@0: 				{
sl@0: 				TUint actual=*pW++;
sl@0: 				TUint expected=Random(seed2);
sl@0: 				TUint diff = actual ^ expected;
sl@0: 				if (diff)
sl@0: 					{
sl@0: 					test.Printf(_L("Address %08x: Got %08x Expected %08x Diff %08x\n"),pW-1,actual,expected,diff);
sl@0: 					pW[-1] = expected;
sl@0: //					test.Getch();
sl@0: //					test(0);
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 		++iterations;
sl@0: 		if ((iterations & 0x3ff)==0)
sl@0: 			test.Printf(_L("%u\n"),iterations);
sl@0: 		}
sl@0: 	}