public void Position_WithValidInputs()
{
// arrange
int gridX = 7;
int gridY = 15;
int spiderInitX = 4;
int spiderInitY = 10;
string spiderInitHeading = "Left";
string orientation = "FLFLFRFFLF";
string expected = "5 7 Right";
// act ....
char[] orien = orientation.ToCharArray();
Position curPosition = new Position(spiderInitX, spiderInitY, spiderInitHeading);
try
{
foreach (char value in orien)
{
curPosition.CurrentPostion(value);
if (curPosition.x > gridX || curPosition.y > gridY)
{
throw new ArgumentOutOfRangeException("Orientation Commands leads to out of range grid area !");
}
}
}
catch (ArgumentOutOfRangeException outOfRange)
{
Console.WriteLine("Error: {0}", outOfRange.Message);
}
// assert
string actual = curPosition.x + " " + curPosition.y + " " + curPosition.heading;
Assert.AreEqual(expected, actual, "Spider not located correctly");
}
static void Main(string[] args)
{
string m1 = "\n Type a Comand of Orientation then press Enter. " +
"Type '+' anywhere in the text to quit:\n";
string m2 = "Invalid Character '{0}' ";
char ch;
int x;
int gX = 0;
int gY = 0;
// 1. Define Grid/wall Size
Console.WriteLine("Please Enter Grid Size");
bool loopExit = false;
while (!loopExit)
{
loopExit = true;
string WallSize = Console.ReadLine();
string[] splitGrid = WallSize.Split(' ');
if (splitGrid.Length != 2)
{
Console.Write("The Grid X,Y values' entry invalid, try again! ");
loopExit = false;
}
else
{
if (string.IsNullOrEmpty(splitGrid[0]))
{
Console.Write("The Grid X value cannot be null or empty, try again! ");
loopExit = false;
}
else
{
if (!int.TryParse(splitGrid[0], out x))
{
Console.Write("The Grid X value must be in correct format, try again: ");
loopExit = false;
}
else
{
if (int.Parse(splitGrid[0]) < 0)
{
Console.Write("The Grid X value must be +ve, try again: ");
loopExit = false;
}
else
{
gX = int.Parse(splitGrid[0]);
}
}
}
if (string.IsNullOrEmpty(splitGrid[1]))
{
Console.Write("The Grid Y value cannot be null or empty, try again! ");
loopExit = false;
}
else
{
if (!int.TryParse(splitGrid[1], out x))
{
Console.Write("The Grid Y value must be in correct format, try again: ");
loopExit = false;
}
else
{
if (int.Parse(splitGrid[1]) < 0)
{
Console.Write("The Grid Y value must be +ve, try again: ");
loopExit = false;
}
else
{
gY = int.Parse(splitGrid[1]);
}
}
}
}
}
// 2. Entry for Spider Satrting Location and direction
Console.WriteLine("Enter the Spider's Start Location & Heading");
string StartPoint = Console.ReadLine();
string[] splitStartPoint = StartPoint.Split(' ');
int startX = int.Parse(splitStartPoint[0]);
int startY = int.Parse(splitStartPoint[1]);
string startHeading = (splitStartPoint[2]).ToString();
// 3. Feed Orientation command
Queue<char> SeqOrientations = new Queue<char>();
int inputOri;
Console.WriteLine(m1);
do
{
inputOri = Console.Read();
try
{
ch = Convert.ToChar(inputOri);
if (Char.IsWhiteSpace(ch))
{
//if (ch == 0x0a)
// Console.WriteLine(m1);
}
else if (ch.Equals('F'))
{
SeqOrientations.Enqueue(ch);
}
else if (ch.Equals('L'))
{
SeqOrientations.Enqueue(ch);
}
else if (ch.Equals('R'))
{
SeqOrientations.Enqueue(ch);
}
else
Console.WriteLine(m2, ch);
if (inputOri == 13)
{
Position curPosition = new Position(startX, startY, startHeading);
try
{
foreach (char value in SeqOrientations)
{
curPosition.CurrentPostion(value);
if (curPosition.x > gX || curPosition.y > gY)
{
throw new ArgumentOutOfRangeException("Orientation Commands leads to out of range grid area !");
}
}
}
catch (ArgumentOutOfRangeException outOfRange)
{
Console.WriteLine("Error: {0}", outOfRange.Message);
}
Console.WriteLine(curPosition.x + " " + curPosition.y + " " + curPosition.heading);
SeqOrientations.Clear();
}
}
catch (OverflowException e)
{
Console.WriteLine("{0} Value read = {1}.", e.Message, inputOri);
ch = Char.MinValue;
Console.WriteLine(m1);
}
} while (ch != '\r');
Console.ReadKey();
}
