public void MoveFromSudDirection_ObstaclePoint_ThrowException()
{
var B = new Backward();
RoverMars R = new RoverMars('N');
// this case should never happen but this class does not know
// i give to the rover an impossible point
R.Position.X = 2;
R.Position.Y = 1;
Grid G = new Grid(5, 5, new FakeObstacleGenerator());
B.MoveFromSudDirection(R, G);
}
public void MoveFromSudDirection_MoveRoverInYPlusOne()
{
var B = new Backward();
RoverMars R = new RoverMars('S');
R.Position.X = 1;
R.Position.Y = 1;
Grid G = new Grid(5, 5, new FakeObstacleGenerator());
B.MoveFromSudDirection(R, G);
Point expectedNewRoverPosition = new Point(1, 2);
Assert.AreEqual(expectedNewRoverPosition, R.Position);
}
public void MoveFromSudDirection_NewRoverPoint_OutOfGrid_Expected_NewYEqualsZero()
{
var B = new Backward();
RoverMars R = new RoverMars('S');
//cannot happen
R.Position.X = 1;
R.Position.Y = 5;
Grid G = new Grid(5, 5, new FakeObstacleGenerator());
B.MoveFromSudDirection(R, G);
Point expectedNewRoverPosition = new Point(1, 0);
Assert.AreEqual(expectedNewRoverPosition, R.Position);
}
public void MoveFromSudDirection_NewRoverPoint_OutOfGridValueLessThenZero_Expected_NewYEqualsMaxYOfGrid()
{
var B = new Backward();
RoverMars R = new RoverMars('N');
// this case should never happen but this class does not know
// i give to the rover an impossible point
R.Position.X = 1;
R.Position.Y = -2;
Grid G = new Grid(5, 5, new FakeObstacleGenerator());
B.MoveFromSudDirection(R, G);
Point expectedNewRoverPosition = new Point(1, 5);
Assert.AreEqual(expectedNewRoverPosition, R.Position);
}