/// <summary>
/// Returns last positions of rovers
/// </summary>
/// <param name="inputs"></param>
/// <param name="maxX"></param>
/// <param name="maxY"></param>
/// <returns></returns>
public static string GetLastPositionsOfRovers(List <MarsRoverInput> inputs, int maxX, int maxY)
{
var sb = new StringBuilder();
foreach (var input in inputs)
{
var positionArr = input.Position.Split(' ');
var x = Convert.ToInt32(positionArr[0]);
var y = Convert.ToInt32(positionArr[1]);
var rover = DirectedRoverFactory.Create(new Rover(x, y, maxX, maxY), (Direction)positionArr[2][0]);
foreach (var instruction in input.Instruction)
{
if (instruction.Equals('M') || instruction.Equals('R') || instruction.Equals('L'))
{
if (instruction.Equals('R') || instruction.Equals('L'))
{
rover = DirectedRoverFactory.Create(rover.GetRover(), rover.Direction, (Rotation)instruction);
}
else
{
rover.Move();
}
}
else
{
throw new Exception("The Instruction contains unexpected value");
}
}
sb.AppendLine(rover.GetLastPosition());
}
return(sb.ToString());
}
public void Rovers_ShouldBe_Rotated(string uppperCordinats, string firstPosition, string rotations, char expectedDirection)
{
//Arrange
var uppperCordinatsArr = uppperCordinats.Split(' ');
var firstPositionArr = firstPosition.Split(' ');
var maxX = Convert.ToInt32(uppperCordinatsArr[0]);
var maxY = Convert.ToInt32(uppperCordinatsArr[1]);
var x = Convert.ToInt32(firstPositionArr[0]);
var y = Convert.ToInt32(firstPositionArr[1]);
var direction = firstPositionArr[2][0];
var rover = DirectedRoverFactory.Create(new Rover(x, y, maxX, maxY), (Direction)direction);
//Act
for (int i = 0; i < rotations.Length; i++)
{
rover = DirectedRoverFactory.Create(rover.GetRover(), rover.Direction, (Rotation)rotations[i]);
}
//Assert
Assert.AreEqual(expectedDirection, (char)rover.Direction);
}