private Point PositionSouthOfMe(IWorldSize worldSize)
{
if (point.Y == worldSize.MinY)
{
return(new Point(point.X, worldSize.YPositionSouthOfBoundary));
}
return(new Point(point.X, point.Y - 1));
}
private Point PositionEastOfMe(IWorldSize worldSize)
{
if (point.X == worldSize.MaxX)
{
return(new Point(worldSize.XPositionEastOfBoundary, point.Y));
}
return(new Point(point.X + 1, point.Y));
}
private Point PositionNorthOfMe(IWorldSize worldSize)
{
if (point.Y == worldSize.MaxY)
{
return(new Point(point.X, worldSize.YPositionNorthOfBoundary));
}
return(new Point(point.X, point.Y + 1));
}
private static void Verify(IWorldSize world, string dropLocation, string command, string endLocation)
{
//Arrange
var initialLocation = new Location(dropLocation);
var expectedLocation = new Location(endLocation);
var rover = new Rover(world, initialLocation);
//Act
rover.Move(command);
//Assert
Assert.Equal(expectedLocation, rover.Location);
}
internal Location MoveForward(IWorldSize worldSize)
{
if (facing == Facing.North)
{
return(new Location(PositionNorthOfMe(worldSize), facing));
}
if (facing == Facing.South)
{
return(new Location(PositionSouthOfMe(worldSize), facing));
}
if (facing == Facing.East)
{
return(new Location(PositionEastOfMe(worldSize), facing));
}
if (facing == Facing.West)
{
return(new Location(PositionWestOfMe(worldSize), facing));
}
throw new InvalidOperationException(facing + " is not supported");
}
public Rover(IWorldSize worldSize, Location dropLocation)
{
this.worldSize = worldSize;
Location = dropLocation;
}
