Exemplo n.º 1
0
        public static int makeExpression(Common.FastRand rng, EvalSchema.Expression.Builder exp, int depth)
        {
            exp.SetOp(operations[rng.nextLessThan((short)EvalSchema.Operation.Modulus + 1)]);
            int left = 0;

            if (rng.nextLessThan(8) < depth)
            {
                int tmp = rng.nextLessThan(128) + 1;
                exp.GetLeft().SetValue(tmp);
                left = tmp;
            }
            else
            {
                left = makeExpression(rng, exp.GetLeft().InitExpression(), depth + 1);
            }
            int right = 0;

            if (rng.nextLessThan(8) < depth)
            {
                int tmp = rng.nextLessThan(128) + 1;
                exp.GetRight().SetValue(tmp);
                right = tmp;
            }
            else
            {
                right = makeExpression(rng, exp.GetRight().InitExpression(), depth + 1);
            }

            switch ((short)exp.GetOp())
            {
            case 0:
                return(left + right);

            case 1:
                return(left - right);

            case 2:
                return(left * right);

            case 3:
                return(Common.div(left, right));

            case 4:
                return(Common.modulus(left, right));

            default:
                throw new System.Exception("impossible");
            }
        }
Exemplo n.º 2
0
        public override int setupRequest(Common.FastRand rng, CatRankSchema.SearchResultList.Builder request)
        {
            int count     = rng.nextLessThan(1000);
            int goodCount = 0;

            StructList.Builder <CatRankSchema.SearchResult.Builder> list = request.InitResults(count);
            for (int i = 0; i < list.Length; ++i)
            {
                CatRankSchema.SearchResult.Builder result = list.Get(i);
                result.SetScore(1000.0 - (double)i);
                int                 urlSize         = rng.nextLessThan(100);
                int                 urlPrefixLength = URL_PREFIX.Length;
                Text.Builder        url             = result.InitUrl(urlSize + urlPrefixLength);
                java.nio.ByteBuffer bytes           = url.asByteBuffer();
                bytes.put(URL_PREFIX.asByteBuffer());
                for (int j = 0; j < urlSize; j++)
                {
                    bytes.put(unchecked ((byte)(97 + rng.nextLessThan(26))));
                }
                bool isCat = rng.nextLessThan(8) == 0;
                bool isDog = rng.nextLessThan(8) == 0;
                if (isCat && !isDog)
                {
                    goodCount += 1;
                }
                System.Text.StringBuilder snippet = new System.Text.StringBuilder(" ");
                int prefix = rng.nextLessThan(20);
                for (int j = 0; j < prefix; ++j)
                {
                    snippet.Append(Common.WORDS[rng.nextLessThan(Common.WORDS.Length)]);
                }
                if (isCat)
                {
                    snippet.Append("cat ");
                }
                if (isDog)
                {
                    snippet.Append("dog ");
                }
                int suffix = rng.nextLessThan(20);
                for (int j = 0; j < suffix; ++j)
                {
                    snippet.Append(Common.WORDS[rng.nextLessThan(Common.WORDS.Length)]);
                }
                result.SetSnippet(snippet.ToString());
            }
            return(goodCount);
        }
Exemplo n.º 3
0
        public sealed override ulong setupRequest(Common.FastRand rng, CarSalesSchema.ParkingLot.Builder request)
        {
            ulong result = 0;

            StructList.Builder <CarSalesSchema.Car.Builder> cars = request.InitCars(rng.nextLessThan(200));
            for (int i = 0; i < cars.Length; ++i)
            {
                CarSalesSchema.Car.Builder car = cars.Get(i);
                randomCar(rng, car);
                result += carValue(car.AsReader());
            }
            return(result);
        }
Exemplo n.º 4
0
 internal static void randomCar(Common.FastRand rng, CarSalesSchema.Car.Builder car)
 {
     car.SetMake(MAKES[rng.nextLessThan(MAKES.Length)]);
     car.SetModel(MODELS[rng.nextLessThan(MODELS.Length)]);
     car.SetColor(colors[rng.nextLessThan((short)CarSalesSchema.Color.Silver + 1)]);
     car.SetSeats(unchecked ((byte)(2 + rng.nextLessThan(6))));
     car.SetDoors(unchecked ((byte)(2 + rng.nextLessThan(3))));
     foreach (CarSalesSchema.Wheel.Builder wheel in car.InitWheels(4))
     {
         wheel.SetDiameter((ushort)(25 + rng.nextLessThan(15)));
         wheel.SetAirPressure((float)(30.0 + rng.nextDouble(20.0)));
         wheel.SetSnowTires(rng.nextLessThan(16) == 0);
     }
     car.SetLength((ushort)(170 + rng.nextLessThan(150)));
     car.SetWidth((ushort)(48 + rng.nextLessThan(36)));
     car.SetHeight((ushort)(54 + rng.nextLessThan(48)));
     car.SetWeight((uint)car.GetLength() * (uint)car.GetWidth() * (uint)car.GetHeight() / 200);
     CarSalesSchema.Engine.Builder engine = car.InitEngine();
     engine.SetHorsepower((ushort)(100 * rng.nextLessThan(400)));
     engine.SetCylinders(unchecked ((byte)(4 + 2 * rng.nextLessThan(3))));
     engine.SetCc((uint)(800 + rng.nextLessThan(10000)));
     engine.SetUsesGas(true);
     engine.SetUsesElectric(rng.nextLessThan(2) == 1);
     car.SetFuelCapacity((float)(10.0 + rng.nextDouble(30.0)));
     car.SetFuelLevel((float)(rng.nextDouble(car.GetFuelCapacity())));
     car.SetHasPowerWindows(rng.nextLessThan(2) == 1);
     car.SetHasPowerSteering(rng.nextLessThan(2) == 1);
     car.SetHasCruiseControl(rng.nextLessThan(2) == 1);
     car.SetCupHolders(unchecked ((byte)rng.nextLessThan(12)));
     car.SetHasNavSystem(rng.nextLessThan(2) == 1);
 }