// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "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:

// e32test\buffer\t_func.cpp

// Overview:

// Comprehensive test for the ARM coded Mem, Des and integer divide routines. 

// Check memory for a large variation of buffer sizes and alignments, 

// check all the optimizations made in the copying/filling code.

// API Information:

// Mem::Fill, Mem::Copy, Mem::Move, Mem::Swap, Mem::Compare

// Details:

// - Create blocks, fill some data into one block, copy data across block of varying 

// lengths, alignments and check the copy is as expected.

// - Create blocks, fill some data into the block, move data from one block to other 

// block and check it is as expected.

// - Create blocks, fill some data and check the data is filled as expected.

// - Create blocks, fill some data in two blocks, swap the blocks check the data

// is swapped as expected.

// - Create blocks, fill some data into the blocks, compare the data at different specified

// offsets, compare the return value, check it is as expected.

// - Check the conversion from specified integer numbers in different number systems to 

// character representation is as expected. Check for both upper and lower case results.

// - Initialize variables with signed, unsigned, positive, negative integer values, check the 

// integer division routines	are as expected.  

// - Check the integer modulo operation results are as expected.

// Platforms/Drives/Compatibility:

// All 

// Assumptions/Requirement/Pre-requisites:

// Failures and causes:

// Base Port information:

// 

//

#include <e32std.h>

#include <e32std_private.h>

#include <e32base.h>

#include <e32base_private.h>

#include <e32test.h>

#include <e32svr.h>

#include <e32panic.h>

RTest test(_L("T_FUNC"));

TInt failed;

void PrintInfo(TText8* aBuf1,TText8* aBuf2)

    {

    if(aBuf1<aBuf2)

        test.Printf(_L("source before target\n"));

    else if(aBuf1==aBuf2)

        test.Printf(_L("source and target identical\n"));

    else

        test.Printf(_L("target before source\n"));      

    }

void testFailed(const TDesC& anError)

    {

    test.Printf(_L("Test %S failed\n"),&anError);

    //test.Getch();

    failed=KErrGeneral;

    }

void testMemCopy()

    {

    TText8 bufa[0x200];

    TText8 bufb[0x200];

    TInt ii,jj,kk;

    test.Next(_L("Mem::Copy"));

//

// Test various copying lengths and alignments and src before/after trg

//

    TInt length;

    TChar a55(0x55);

    TChar aAA(0xaa);

    TUint8* addr;

    for(ii=24;ii<496;ii+=19)

        {

        for(jj=24;jj<496;jj+=18)

            {

            length=Min(496-jj,496-ii);

            Mem::Fill(&bufa[0],512,a55);

            Mem::Fill(&bufb[0],512,aAA);

            addr=Mem::Copy(&bufa[ii],&bufb[jj],length);

            if(addr!=(&bufa[ii]+length))

                {

                PrintInfo(bufb,bufa);

                test.Printf(_L("Mem::Copy returned incorrect address for %d bytes\n"),length);

                failed=KErrGeneral;

                //test.Getch();

                return;

                }

            for(kk=0;kk<512;kk++)

                {

                if(kk<ii && bufa[kk]!=0x55)

                    {

                    PrintInfo(bufb,bufa);

                    test.Printf(_L("Mem::Copy failed copying %d bytes from bufb[%d] to bufa[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                if(kk>=ii && kk<(ii+length) && bufa[kk]!=0xaa)

                    {

                    PrintInfo(bufb,bufa);

                    test.Printf(_L("Mem::Copy failed copying %d bytes from bufb[%d] to bufa[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                if(kk>=(ii+length) && bufa[kk]!=0x55)

                    {

                    PrintInfo(bufb,bufa);

                    test.Printf(_L("Mem::Copy failed copying %d bytes from bufb[%d] to bufa[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                }

            Mem::Fill(&bufa[0],512,a55);

            Mem::Fill(&bufb[0],512,aAA);

            length=Min(496-jj,496-ii);

            addr=Mem::Copy(&bufb[ii],&bufa[jj],length);

            if(addr!=(&bufb[ii]+length))

                {

                PrintInfo(bufa,bufb);

                test.Printf(_L("Mem::Copy returned incorrect address for %d bytes\n"),length);

                failed=KErrGeneral;

                //test.Getch();

                return;

                }

            for(kk=0;kk<512;kk++)

                {

                if(kk<ii && bufb[kk]!=0xaa)

                    {

                    PrintInfo(bufa,bufb);

                    test.Printf(_L("Mem::Copy failed copying %d bytes from bufa[%d] to bufb[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                if(kk>=ii && kk<(ii+length) && bufb[kk]!=0x55)

                    {

                    PrintInfo(bufa,bufb);

                    test.Printf(_L("Mem::Copy failed copying %d bytes from bufa[%d] to bufb[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                if(kk>=(ii+length) && bufb[kk]!=0xaa)

                    {

                    PrintInfo(bufa,bufb);

                    test.Printf(_L("Mem::Copy failed copying %d bytes from bufa[%d] to bufb[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                }

            };

        }

    }

//

// Assert panic test, debug ARM build only.   See DEF118984.

//

#if defined(_DEBUG) && defined(__CPU_ARM)

const TInt KMemMoveBufferSize=0x20;

const TInt KMemMoveBadLength=3;

enum TMemMoveTest

	{

	EMemMoveValid=0,

	EMemMoveSourceNotAligned=1,

	EMemMoveTargetNotAligned=2,

	EMemMoveLengthNotMultipleOf4=3,

	};

LOCAL_C TInt MemMoveClient(TAny* aPtr)

	{

	TMemMoveTest aMode = *(TMemMoveTest *)&aPtr;

	TText8 srcbuf[KMemMoveBufferSize];

	TText8 trgbuf[KMemMoveBufferSize];

	TText8 *src=srcbuf, *trg=trgbuf;

	TInt length=KMemMoveBufferSize;

	switch (aMode)

		{

	case EMemMoveValid:

		break;

	case EMemMoveSourceNotAligned:

		src=&srcbuf[1];

		break;

	case EMemMoveTargetNotAligned:

		trg=&trgbuf[1];

		break;

	case EMemMoveLengthNotMultipleOf4:

		length=KMemMoveBadLength;

		break;

		}

	Mem::Move(trg,src,length);

	return KErrNone;

	}

#endif //_DEBUG

void testMemMove()

    {

    TText8 bufa[0x200];

    TText8 bufb[0x200];

    TInt ii,jj,kk;

    test.Next(_L("Mem::Move()"));

//

// Test various copying lengths and alignments and src before/after trg

//

    TInt length;

    TChar a55(0x55);

    TChar aAA(0xaa);

    TUint8* addr;

    for(ii=0;ii<512;ii+=24)

        {

        for(jj=0;jj<512;jj+=24)

            {

            length=Min(512-jj,512-ii);

            Mem::Fill(&bufa[0],512,a55);

            Mem::Fill(&bufb[0],512,aAA);

            addr=Mem::Move(&bufa[ii],&bufb[jj],length);

            if(addr!=(&bufa[ii]+length))

                {

                PrintInfo(bufb,bufa);

                test.Printf(_L("Mem::Copy returned incorrect address for %d bytes\n"),length);

                failed=KErrGeneral;

                //test.Getch();

                return;

                }

            for(kk=0;kk<512;kk++)

                {

                if(kk<ii && bufa[kk]!=0x55)

                    {

                    PrintInfo(bufb,bufa);

                    test.Printf(_L("Mem::Move failed copying %d bytes from bufb[%d] to bufa[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                if(kk>=ii && kk<(ii+length) && bufa[kk]!=0xaa)

                    {

                    PrintInfo(bufb,bufa);

                    test.Printf(_L("Mem::Move failed copying %d bytes from bufb[%d] to bufa[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                if(kk>=(ii+length) && bufa[kk]!=0x55)

                    {

                    PrintInfo(bufb,bufa);

                    test.Printf(_L("Mem::Move failed copying %d bytes from bufb[%d] to bufa[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                }

            Mem::Fill(&bufa[0],512,a55);

            Mem::Fill(&bufb[0],512,aAA);

            length=Min(512-jj,512-ii);

            addr=Mem::Move(&bufb[ii],&bufa[jj],length);

            if(addr!=(&bufb[ii]+length))

                {

                PrintInfo(bufa,bufb);

                test.Printf(_L("Mem::Copy returned incorrect address for %d bytes\n"),length);

                failed=KErrGeneral;

                //test.Getch();

                return;

                }

            for(kk=0;kk<512;kk++)

                {

                if(kk<ii && bufb[kk]!=0xaa)

                    {

                    PrintInfo(bufa,bufb);

                    test.Printf(_L("Mem::Move failed copying %d bytes from bufa[%d] to bufb[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                if(kk>=ii && kk<(ii+length) && bufb[kk]!=0x55)

                    {

                    PrintInfo(bufa,bufb);

                    test.Printf(_L("Mem::Move failed copying %d bytes from bufa[%d] to bufb[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                if(kk>=(ii+length) && bufb[kk]!=0xaa)

                    {

                    PrintInfo(bufa,bufb);

                    test.Printf(_L("Mem::Move failed copying %d bytes from bufa[%d] to bufb[%d] at byte %d\n"),length,jj,ii,kk);

                    failed=KErrGeneral;

                    //test.Getch();

                    return;

                    }

                }

            };

        }

#if defined(_DEBUG) && defined(__CPU_ARM)

    //

    // Test wordmove asserts. Source and target addresses are word aligned,

    // and length is a multiple of the word size.

    // Test asserts (debug build only)

    //

    RThread clientThread;

    TRequestStatus status(KRequestPending);

    User::SetJustInTime(EFalse);

    test.Next(_L("Mem::Move() - wordmove() valid call"));

    test(clientThread.Create(_L("MemMovePanic - Valid"),MemMoveClient,KDefaultStackSize,0x2000,0x2000,(TAny*)EMemMoveValid)==KErrNone);

    clientThread.Logon(status);

    clientThread.Resume();

    User::WaitForRequest(status);

    test(clientThread.ExitType()==EExitKill);

    test(clientThread.ExitReason()==KErrNone);

    clientThread.Close();

    status=KRequestPending;

    test.Next(_L("Mem::Move() - wordmove() source alignment"));

    test(clientThread.Create(_L("MemMovePanic - SrcAlign"),MemMoveClient,KDefaultStackSize,0x2000,0x2000,(TAny*)EMemMoveSourceNotAligned)==KErrNone);

    clientThread.Logon(status);

    clientThread.Resume();

    User::WaitForRequest(status);

    test(clientThread.ExitType()==EExitPanic);

    test(clientThread.ExitReason()==EWordMoveSourceNotAligned);

    clientThread.Close();

    status=KRequestPending;

    test.Next(_L("Mem::Move() - wordmove() target alignment"));

    test(clientThread.Create(_L("MemMovePanic - TrgAlign"),MemMoveClient,KDefaultStackSize,0x2000,0x2000,(TAny*)EMemMoveTargetNotAligned)==KErrNone);

    clientThread.Logon(status);

    clientThread.Resume();

    User::WaitForRequest(status);

    test(clientThread.ExitType()==EExitPanic);

    test(clientThread.ExitReason()==EWordMoveTargetNotAligned);

    clientThread.Close();

    status=KRequestPending;

    test.Next(_L("Mem::Move() - wordmove() length word multiple"));

    test(clientThread.Create(_L("MemMovePanic - LengthMultiple"),MemMoveClient,KDefaultStackSize,0x2000,0x2000,(TAny*)EMemMoveLengthNotMultipleOf4)==KErrNone);

    clientThread.Logon(status);

    clientThread.Resume();

    User::WaitForRequest(status);

    test(clientThread.ExitType()==EExitPanic);

    test(clientThread.ExitReason()==EWordMoveLengthNotMultipleOf4);

    clientThread.Close();

    User::SetJustInTime(ETrue);

#endif //_DEBUG

    }

void testMemFill()

    {

    TText8 bufa[0x200];

    TInt ii,jj,kk,pos,length;

    test.Next(_L("Mem::Fill()"));

    TChar a55(0x55);

    TChar aAA(0xaa);

    for(ii=0;ii<512-32;ii++)

        {

		for(jj=0;jj<32;jj++)

			{

			Mem::Fill(&bufa[0],512,aAA);

			pos=ii+jj;

			length=512-32-ii;

			Mem::Fill(&bufa[pos],length,a55);

			for(kk=0;kk<512;kk++)

				{

				if(kk<(pos) && bufa[kk]!=0xaa)

					{

					test.Printf(_L("Mem::Fill failed filling %d bytes to bufa[%d] at byte %d (1)\n"),length,pos,kk);

					failed=KErrGeneral;

					//test.Getch();

					return;

					}

				if(kk>=(pos) && kk<(pos+length) && bufa[kk]!=0x55)

					{

					test.Printf(_L("Mem::Fill failed filling %d bytes to bufa[%d] at byte %d (2)\n"),length,pos,kk);

					failed=KErrGeneral;

					//test.Getch();

					return;

					}

				if(kk>=(pos+length) && bufa[kk]!=0xaa)

					{

					test.Printf(_L("Mem::Fill failed filling %d bytes to bufa[%d] at byte %d (3)\n"),length,pos,kk);

					failed=KErrGeneral;

					//test.Getch();

					return;

					}

				}

			}

		}

	}

void testMemSwap()

    {

    test.Next(_L("Mem::Swap()"));

    TText8 bufa[0x200];

    TText8 bufb[0x200];

    TInt ii,jj,kk;

    TInt length;

    TChar a55(0x55);

    TChar aAA(0xaa);

    for(ii=24;ii<496;ii+=5)

        {

        for(jj=24;jj<496;jj+=3)

            {

            length=Min(496-jj,496-ii);

            Mem::Fill(&bufa[0],512,a55);

            Mem::Fill(&bufb[0],512,aAA);

            Mem::Swap(&bufa[ii],&bufb[jj],length);

            for(kk=0;kk<512;kk++)

                {

                if(kk<ii && bufa[kk]!=0x55)

                    {

                    test.Printf(_L("Mem::Swap failed. bufa[%d] contains wrong byte. Swap length=%d, ii=%d, jj=%d\n"),kk,length,ii,jj);

                    failed=KErrGeneral;

                    //test.Getch();

                    }

                if(kk>=ii && kk<(ii+length) && bufa[kk]!=0xaa)

                    {

                    test.Printf(_L("Mem::Swap failed. bufa[%d] contains wrong byte. Swap length=%d, ii=%d, jj=%d\n"),kk,length,ii,jj);

                    failed=KErrGeneral;

                    //test.Getch();

                    }

                if(kk>=(ii+length) && bufa[kk]!=0x55)

                    {

                    test.Printf(_L("Mem::Swap failed. bufa[%d] contains wrong byte. Swap length=%d, ii=%d, jj=%d\n"),kk,length,ii,jj);

                    failed=KErrGeneral;

                    //test.Getch();

                    }

                if(kk<jj && bufb[kk]!=0xaa)

                    {

                    test.Printf(_L("Mem::Swap failed. bufb[%d] contains wrong byte. Swap length=%d, ii=%d, jj=%d\n"),kk,length,ii,jj);

                    failed=KErrGeneral;

                    //test.Getch();

                    }

                if(kk>=jj && kk<(jj+length) && bufb[kk]!=0x55)

                    {

                    test.Printf(_L("Mem::Swap failed. bufb[%d] contains wrong byte. Swap length=%d, ii=%d, jj=%d\n"),kk,length,ii,jj);

                    failed=KErrGeneral;

                    //test.Getch();

                    }

                if(kk>=(jj+length) && bufb[kk]!=0xaa)

                    {

                    test.Printf(_L("Mem::Swap failed. bufb[%d] contains wrong byte. Swap length=%d, ii=%d, jj=%d\n"),kk,length,ii,jj);

                    failed=KErrGeneral;

                    //test.Getch();

                    }

                }

            }

        }

    }

void testMemCompare()

    {

    TText8 bufa[516];

    TText8 bufb[516];

    test.Next(_L("Mem::Compare()"));

    TInt ii,jj,kk;

    TChar a55(0x55);

    TChar a11(0x11);

    TChar a99(0x99);

    TInt posi,posj,offi,offj,leni,lenj;

    for(ii=0;ii<512;ii+=2)

        {

        for(jj=0;jj<512;jj+=3)

            {

            Mem::Fill(&bufa[0],512,a55);

            Mem::Fill(&bufb[0],512,a55);

            posi=(511+ii)/2; // get a position somewhere in the middle

            posj=(511+jj)/2;

            bufa[posi]=0x12;

            bufb[posj]=0x12;

            offi=posi-ii;

            offj=posj-jj;

            leni=511-ii;

            lenj=511-jj;

//

// Make sure that outside the compare range is different

//

            Mem::Fill(&bufa[ii+leni],4,a11);

            Mem::Fill(&bufb[jj+lenj],4,a99);

            kk=Mem::Compare(&bufa[ii],leni,&bufb[jj],lenj);

            if(offi==offj) // Wrong byte is at same offset

                {

                if(ii==jj) // Same lengths being compared, so should compare ok

                    {

                    if(kk!=0)

                        {

                        test.Printf(_L("%d returned when offi=%d, offj=%d, ii=%d, jj=%d\n"),kk,offi,offj,ii,jj);

                        test.Printf(_L("Should return zero\n"));

                        test.Printf(_L("bufa=%d,bufb=%d, leftl=%d, rightl=%d\n"),&bufa[ii],&bufb[jj],leni,lenj);

                        //test.Getch();

                        failed=KErrGeneral;

                        }

                    }

                else // Different lengths, so should return difference of lengths

                    {

                    if(kk!=leni-lenj)

                        {

                        test.Printf(_L("%d returned when offi=%d, offj=%d, ii=%d, jj=%d\n"),kk,offi,offj,ii,jj);

                        test.Printf(_L("Should return difference of the lengths\n"));

                        test.Printf(_L("bufa=%d,bufb=%d, leftl=%d, rightl=%d\n"),&bufa[ii],&bufb[jj],leni,lenj);

                        //test.Getch();

                        failed=KErrGeneral;

                        }

                    }

                }

            if(offi!=offj) // Wrong byte at different offset

                {

                if(offi<offj && kk!=0x12-0x55)

                    {

                    test.Printf(_L("%d returned when offi=%d, offj=%d, ii=%d, jj=%d\n"),kk,offi,offj,ii,jj);

                    test.Printf(_L("Should return difference of the bytes\n"));

                    test.Printf(_L("bufa=%d,bufb=%d, leftl=%d, rightl=%d\n"),&bufa[ii],&bufb[jj],leni,lenj);

                    //test.Getch();

                    failed=KErrGeneral;

                    }

                if(offj<offi && kk!=0x55-0x12)

                    {

                    test.Printf(_L("%d returned when offi=%d, offj=%d, ii=%d, jj=%d\n"),kk,offi,offj,ii,jj);

                    test.Printf(_L("Should return difference of the bytes\n"));

                    test.Printf(_L("bufa=%d,bufb=%d, leftl=%d, rightl=%d\n"),&bufa[ii],&bufb[jj],leni,lenj);

                    //test.Getch();

                    failed=KErrGeneral;

                    }

                }

            }

        }

    }

void testDesNum()

    {

    TBuf<36> aBuf;

    test.Next(_L("Des::Num(EHex)"));

    aBuf.Num(0x1b34a678,EHex);

    if(aBuf!=_L("1b34a678"))

        testFailed(_L("Des::Num(0x1b34a678,EHex)"));

    else

        {

        aBuf.Num(0x1234,EHex);

        if(aBuf!=_L("1234"))

            testFailed(_L("Des::Num(0x1234,EHex)"));

        }

    test.Next(_L("Des::Num(EDecimal)"));

    aBuf.Num(7462521,EDecimal);

    if(aBuf!=_L("7462521"))

        testFailed(_L("Des::Num(7462521,EDecimal)"));

    else

        {

        aBuf.Num(1234,EDecimal);

        if(aBuf!=_L("1234"))

            testFailed(_L("Des::Num(1234,EDecimal)"));

        }

    test.Next(_L("Des::Num(EOctal)"));

    aBuf.Num(03521,EOctal);

    if(aBuf!=_L("3521"))

        testFailed(_L("Des::Num(03521,EOctal)"));

    else

        {

        aBuf.Num(0706321,EOctal);

        if(aBuf!=_L("706321"))

            testFailed(_L("Des::Num(0706321,EOctal)"));

        }

    test.Next(_L("Des::Num(EBinary)"));

    aBuf.Num(0x92074625,EBinary);

    if(aBuf!=_L("10010010000001110100011000100101"))

        {

        testFailed(_L("Des::Num(0x92074625,EBinary)"));

        }

    else

        {

        aBuf.Num(0x4625,EBinary);

        if(aBuf!=_L("100011000100101"))

            testFailed(_L("Des::Num(0x4625,EBinary)"));

        }

    }

void testDesNumUC()

    {

    TBuf<36> aBuf;

    test.Next(_L("Des::NumUC(EHex)"));

    aBuf.NumUC(0x1b3ca678,EHex);

    if(aBuf!=_L("1B3CA678"))

        testFailed(_L("Des::NumUC(0x1b3ca678,EHex)"));

    else

        {

        aBuf.NumUC(0x89abcdef,EHex);

        if(aBuf!=_L("89ABCDEF"))

            testFailed(_L("Des::NumUC(0x89abcdef,EHex)"));

        }

    test.Next(_L("Des::NumUC(EDecimal)"));

    aBuf.NumUC(7462521,EDecimal);

    if(aBuf!=_L("7462521"))

        testFailed(_L("Des::NumUC(7462521,EDecimal)"));

    else

        {

        aBuf.NumUC(1234,EDecimal);

        if(aBuf!=_L("1234"))

            testFailed(_L("Des::NumUC(1234,EDecimal)"));

        }

    test.Next(_L("Des::NumUC(EOctal)"));

    aBuf.NumUC(03521,EOctal);

    if(aBuf!=_L("3521"))

        testFailed(_L("Des::NumUC(03521,EOctal)"));

    else

        {

        aBuf.NumUC(0706321,EOctal);

        if(aBuf!=_L("706321"))

            testFailed(_L("Des::NumUC(0706321,EOctal)"));

        }

    test.Next(_L("Des::NumUC(EBinary)"));

    aBuf.NumUC(0x92074625,EBinary);

    if(aBuf!=_L("10010010000001110100011000100101"))

        {

        testFailed(_L("Des::NumUC(0x92074625,EBinary)"));

        }

    else

        {

        aBuf.NumUC(0x4625,EBinary);

        if(aBuf!=_L("100011000100101"))

            testFailed(_L("Des::NumUC(0x4625,EBinary)"));

        }

    }

void testDivTen(TInt aInc)

//

// Always pass aInc as zero. It's just there to stop the compiler

// optimising the a=a/10 statements out for you. They must be

// worked out by the operating system at runtime.

//

    {

    TUint a=68417814+aInc; // some random unsigned number

    TInt b=-48910759+aInc; // some random signed negative number

    TInt c=2147483647+aInc; // maximum positive number

    TUint d=3147484647u+aInc; // high positive unsigned number

    TUint ar=68417814/10;

    TInt br=-48910759/10;

    TInt cr=2147483647/10;

    TUint dr=3147484647u/10;

    a=a/10;

    b=b/10;

    c=c/10;

    d=d/10;

    test.Next(_L("Integer divide by 10"));

    if(a!=ar)

        {

        test.Printf(_L("68417814/10 gives %u\n"),a);

        failed=KErrGeneral;

        }

    if(b!=br)

        {

        test.Printf(_L("-48910759/10 gives %d\n"),b);

        failed=KErrGeneral;

        }

    if(c!=cr)

        {

        test.Printf(_L("2147483647/10 gives %d\n"),c);

        failed=KErrGeneral;

        }

    if(d!=dr)

        {

        test.Printf(_L("3147484647/10 gives %u\n"),d);

        failed=KErrGeneral;

        }

    }

void testDivSeven(TInt aInc)

//

// Always pass aInc as zero. It's just there to stop the compiler

// optimising the a=a/7 statements out for you. They must be

// worked out by the operating system at runtime.

//

    {

    TUint a=68417814+aInc; // some random unsigned number

    TInt b=-48910759+aInc; // some random signed negative number

    TInt c=2147483647+aInc; // maximum positive number

    TUint d=3147484647u+aInc; // high positive unsigned number

    TUint ar=68417814/7;

    TInt br=-48910759/7;

    TInt cr=2147483647/7;

    TUint dr=3147484647u/7;

    a=a/7;

    b=b/7;

    c=c/7;

    d=d/7;

    test.Next(_L("Integer divide by 7"));

    if(a!=ar)

        {

        test.Printf(_L("68417814/7 gives %u\n"),a);

        failed=KErrGeneral;

        }

    if(b!=br)

        {

        test.Printf(_L("-48910759/7 gives %d\n"),b);

        failed=KErrGeneral;

        }

    if(c!=cr)

        {

        test.Printf(_L("2147483647/7 gives %d\n"),c);

        failed=KErrGeneral;

        }

    if(d!=dr)

        {

        test.Printf(_L("3147484647/7 gives %u\n"),d);

        failed=KErrGeneral;

        }

    }

void testDivFive(TInt aInc)

//

// Always pass aInc as zero. It's just there to stop the compiler

// optimising the a=a/5 statements out for you. They must be

// worked out by the operating system at runtime.

//

    {

    TUint a=68417814+aInc; // some random unsigned number

    TInt b=-48910759+aInc; // some random signed negative number

    TInt c=2147483647+aInc; // maximum positive number

    TUint d=3147484647u+aInc; // high positive unsigned number

    TUint ar=68417814/5;

    TInt br=-48910759/5;

    TInt cr=2147483647/5;

    TUint dr=3147484647u/5;

    a=a/5;

    b=b/5;

    c=c/5;

    d=d/5;

    test.Next(_L("Integer divide by 5"));

    if(a!=ar)

        {

        test.Printf(_L("68417814/5 gives %u\n"),a);

        failed=KErrGeneral;

        }

    if(b!=br)

        {

        test.Printf(_L("-48910759/5 gives %d\n"),b);

        failed=KErrGeneral;

        }

    if(c!=cr)

        {

        test.Printf(_L("2147483647/5 gives %d\n"),c);

        failed=KErrGeneral;

        }

    if(d!=dr)

        {

        test.Printf(_L("3147484647/5 gives %u\n"),d);

        failed=KErrGeneral;

        }

    }

void testDivSixteen(TInt aInc)

//

// Always pass aInc as zero. It's just there to stop the compiler

// optimising the a=a/16 statements out for you. They must be

// worked out by the operating system at runtime.

//

    {

    TUint a=68417814+aInc; // some random unsigned number

    TInt b=-48910759+aInc; // some random signed negative number

    TInt c=2147483647+aInc; // maximum positive number

    TUint d=3147484647u+aInc; // high positive unsigned number

    TUint ar=68417814/16;

    TInt br=-48910759/16;

    TInt cr=2147483647/16;

    TUint dr=3147484647u/16;

    a=a/16;

    b=b/16;

    c=c/16;

    d=d/16;

    test.Next(_L("Integer divide by 16"));

    if(a!=ar)

        {

        test.Printf(_L("68417814/16 gives %u\n"),a);

        failed=KErrGeneral;

        }

    if(b!=br)

        {

        test.Printf(_L("-48910759/16 gives %d\n"),b);

        failed=KErrGeneral;

        }

    if(c!=cr)

        {

        test.Printf(_L("2147483647/16 gives %d\n"),c);

        failed=KErrGeneral;

        }

    if(d!=dr)

        {

        test.Printf(_L("3147484647/16 gives %u\n"),d);

        failed=KErrGeneral;

        }

    }

void testModulo(TInt aInc)

    {

    test.Next(_L("Integer modulo"));

    TInt ii,kk;

    for(kk=1;kk<32;kk++)

        {

        for(ii=0;ii<kk;ii++)

            {

            TInt jj=(kk*73)+aInc+ii;

            if((jj%kk)!=ii)

                {

                test.Printf(_L("%d mod %d gives %d\n"),jj,kk,jj%kk);

                failed=KErrGeneral;

                }

            }

        }

    }

TInt E32Main()

//

// Benchmark for Mem functions

//

    {

    failed=KErrNone;

    test.Title();

    test.Start(_L("T_FUNC"));

    testMemCopy();

    testMemMove();

    testMemFill();

    testMemSwap();

    testMemCompare();

    testDesNum();

    testDesNumUC();

    testDivTen(0);

    testDivSixteen(0);

    testDivFive(0);

    testDivSeven(0);

    testModulo(0);

	test(failed==KErrNone);

    test.End();

	return(KErrNone);

    }