/// <summary>
/// Calls the respective methods depending on the direction
/// </summary>
/// <param name="direction">Char current direction symbol</param>
/// <param name="point">Current point object to be moved</param>
/// <param name="pointer">Direction pointer position modifier</param>
public static void HandleDirection(char direction, Point point, DirectionPointer pointer)
{
switch (direction)
{
case '>': point.MoveRight(pointer); break;
case '<': point.MoveLeft(pointer); break;
case '^': point.MoveUp(pointer); break;
case 'v': point.MoveDown(pointer); break;
case '~': pointer.ReverseDirectionPointer(); break;
}
}
public void CheckIfPointMoveCorrectlyDownWithDirectionPointerOfOne()
{
string directions = "v";
Point point = new Point(0, 0);
DirectionPointer pointer = new DirectionPointer(1);
foreach (var direction in directions)
{
DirectionParser.HandleDirection(direction, point, pointer);
}
Assert.AreEqual(new Point(0, 1), point);
}
public void CheckIfDirectionPointerReverseWithValueGreaterThanZero()
{
string directions = "~";
Point point = new Point(0, 0);
DirectionPointer pointer = new DirectionPointer(1);
foreach (var direction in directions)
{
DirectionParser.HandleDirection(direction, point, pointer);
}
Assert.AreEqual(-1, pointer.ValueOfPointer);
}
public void CheckIfPointCoordinatesDontChangeAfterEmptyPathInput()
{
string directions = " ";
Point point = new Point(0, 0);
DirectionPointer pointer = new DirectionPointer(1);
foreach (var direction in directions)
{
DirectionParser.HandleDirection(direction, point, pointer);
}
Assert.AreEqual(new Point(0, 0), point);
}
public void CheckIfDirectionPointerDoentChangeIfHasZeroValue()
{
string directions = "~~~";
Point point = new Point(0, 0);
DirectionPointer pointer = new DirectionPointer(0);
foreach (var direction in directions)
{
DirectionParser.HandleDirection(direction, point, pointer);
}
Assert.AreEqual(0, pointer.ValueOfPointer);
}
public void CheckIfDirectionPointerSetsCorrectValue()
{
string directions = " ";
Point point = new Point(0, 0);
DirectionPointer pointer = new DirectionPointer(1);
pointer.ValueOfPointer = 2;
foreach (var direction in directions)
{
DirectionParser.HandleDirection(direction, point, pointer);
}
Assert.AreEqual(2, pointer.ValueOfPointer);
}
public static void Main(string[] args)
{
///can input directions from the console
//string directions = Console.ReadLine();
string directions = ">>><<<~>>>~^^^";
Point point = new Point(0, 0);
DirectionPointer pointer = new DirectionPointer(1);
foreach (var direction in directions)
{
DirectionParser.HandleDirection(direction, point, pointer);
}
Console.WriteLine(point.ToString());
}
public void MoveUp(DirectionPointer directionPointer)
{
this.y += (directionPointer.ValueOfPointer * -1);
}
public void MoveRight(DirectionPointer directionPointer)
{
this.x += directionPointer.ValueOfPointer;
}
public void MoveLeft(DirectionPointer directionPointer)
{
this.x += (directionPointer.ValueOfPointer * -1);
}
public void MoveDown(DirectionPointer directionPointer)
{
this.y += directionPointer.ValueOfPointer;
}
public void CheckIfPointToStringProducesCorrectMessage()
{
string directions = " ";
Point point = new Point(0, 0);
DirectionPointer pointer = new DirectionPointer(1);
foreach (var direction in directions)
{
DirectionParser.HandleDirection(direction, point, pointer);
}
Assert.AreEqual("X = 0; Y = 0;", point.ToString());
}
public void CheckIfPointSetsCorrectYValueWhenEdited()
{
string directions = " ";
Point point = new Point(0, 0);
point.Y = 1;
DirectionPointer pointer = new DirectionPointer(1);
foreach (var direction in directions)
{
DirectionParser.HandleDirection(direction, point, pointer);
}
Assert.AreEqual(1, point.Y);
}