testfws/symbianunittestfw/sutfw/sutfwexamples/sutfwkernelexample/src/racecar.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 17 Sep 2010 08:39:50 +0300
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permissions -rw-r--r--
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  
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*
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*/
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#include "racecar.h"
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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DRaceCar::DRaceCar( const TDesC8& aColor, TUint aFuelTankSize )
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 : iFuelTankSize( aFuelTankSize )
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    {
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    iColor = HBuf8::New(aColor);
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    }
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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DRaceCar::~DRaceCar()
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    {
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    delete iColor;
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    } 
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TUint DRaceCar::FuelTankSize() const
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    {
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    return iFuelTankSize;
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    }
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//    
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TUint DRaceCar::FuelLeft() const
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    {
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    return iFuel;
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    }
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TUint DRaceCar::AddFuel( TUint aFuel )
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    {
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    TUint extraFuel = 0;
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    if ( aFuel > iFuelTankSize - iFuel )
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        {
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        extraFuel = aFuel- ( iFuelTankSize - iFuel );
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        iFuel = iFuelTankSize;
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        }
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    else
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        {
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        iFuel += aFuel;
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        }
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    return extraFuel;
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    }
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//    
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TInt DRaceCar::Steer( TInt aAngle )
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    {
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    if ( ( iDirection + aAngle ) < -KMaxTyreAngle || 
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         ( iDirection + aAngle ) > KMaxTyreAngle )
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        {
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        return KErrArgument;
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        }
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    iDirection += aAngle;
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    return KErrNone;
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    }    
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TInt DRaceCar::Direction() const
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    {
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    return iDirection;
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    }
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TInt DRaceCar::Accelerate( TUint aForce )
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    {
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    if ( iFuel == 0 )
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        {
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        return KErrGeneral;
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        }
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    else
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        {
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        iFuel--;
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        iSpeed += aForce;
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        }
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    return KErrNone;
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    }
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TUint DRaceCar::Speed() const
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    {
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    return iSpeed;
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    }
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void DRaceCar::Brake( TUint aForce )
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    {
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    if ( iSpeed < aForce )
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        {
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        iSpeed = 0;
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        }
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    else
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        {
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        iSpeed -= aForce;
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        }
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    }
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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const TDesC8& DRaceCar::Color() const
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    {
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    return *iColor;
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    }
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void DRaceCar::ChangeColorL( const TDesC8& aNewColor )
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    {
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    HBuf* tmpColor = HBuf8::New(aNewColor);
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    delete iColor;
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    iColor = tmpColor;
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    }