public void testDriving()
{
Car car = new Muscle();
car.setControls(Keys.Left, Keys.Right, Keys.Up, Keys.Down, Keys.RControlKey);
List <Car> cars = new List <Car> {
car
};
car.TestMode = true;
car.fuelCost = 0;
double lastSpeed, lastRotation, deltaCoast, deltaBrake;
resetCar(car);
// forward
lastSpeed = car.speed;
car.throttlePressed = true;
car.calculateNewPosition();
Assert.Greater(car.speed, lastSpeed);
// backward
resetCar(car);
lastSpeed = car.speed;
car.brakePressed = true;
car.calculateNewPosition();
Assert.Less(car.speed, lastSpeed);
// coasting
for (float i = -2; i <= car.maxSpeed; i++)
{
resetCar(car);
car.speed = i;
lastSpeed = car.speed;
car.calculateNewPosition();
if (car.speed == 0)
{
Assert.AreEqual(car.speed, lastSpeed);
}
else if (car.speed > 0)
{
Assert.Less(car.speed, lastSpeed);
}
else
{
Assert.Greater(car.speed, lastSpeed);
}
}
// forward brake
resetCar(car);
car.speed = 1;
lastSpeed = car.speed;
car.brakePressed = false;
car.calculateNewPosition();
deltaCoast = lastSpeed - car.speed;
car.speed = 1;
lastSpeed = car.speed;
car.brakePressed = true;
car.calculateNewPosition();
deltaBrake = lastSpeed - car.speed;
Assert.Greater(deltaBrake, deltaCoast);
Assert.Greater(car.speed, 0);
// backward brake
resetCar(car);
car.speed = -1;
lastSpeed = car.speed;
car.throttlePressed = false;
car.calculateNewPosition();
deltaCoast = Math.Abs(lastSpeed) - Math.Abs(car.speed);
car.speed = -1;
lastSpeed = car.speed;
car.throttlePressed = true;
car.calculateNewPosition();
deltaBrake = Math.Abs(lastSpeed) - Math.Abs(car.speed);
Assert.Greater(deltaBrake, deltaCoast);
Assert.Less(car.speed, 0);
// left
for (float i = -2; i <= car.maxSpeed; i++)
{
resetCar(car);
car.speed = i;
car.throttlePressed = true;
lastRotation = car.rotation;
car.leftPressed = true;
car.calculateNewPosition();
if (car.speed == 0)
{
Assert.AreEqual(car.rotation, lastRotation);
}
else if (car.speed > 0)
{
Assert.Less(car.rotation, lastRotation);
}
else
{
Assert.Greater(car.rotation, lastRotation);
}
}
// right
for (float i = -2; i <= car.maxSpeed; i++)
{
resetCar(car);
car.speed = i;
car.throttlePressed = true;
lastRotation = car.rotation;
car.rightPressed = true;
car.calculateNewPosition();
if (car.speed == 0)
{
Assert.AreEqual(car.rotation, lastRotation);
}
else if (car.speed > 0)
{
Assert.Greater(car.rotation, lastRotation);
}
else
{
Assert.Less(car.rotation, lastRotation);
}
}
// max-speed
resetCar(car);
car.speed = car.maxSpeed;
car.throttlePressed = true;
car.calculateNewPosition();
Assert.AreEqual(car.maxSpeed, car.speed);
}