public void Parse__Command_Exception()
{
string cmd = "ALRR345";
CommandParser parser = new CommandParser();
IPosition p = new Rover.Position.Position(0, 0, 'N');
Assert.ThrowsException <ArgumentException>(() => parser.ParseDisplacement(cmd, p));
}
public void Test_Parse_Command()
{
string cmd = "RRLR1R2R45L9L6L45";
CommandParser parser = new CommandParser();
IPosition p = new Rover.Position.Position(0, 0, 'N');
var lstCmd = parser.ParseDisplacement(cmd, p) as List <ICommand>;
Assert.AreEqual(15, lstCmd.Count());
Assert.IsTrue(lstCmd[0] is Rover.Position.Rotate); //R
Assert.IsTrue(lstCmd[1] is Rover.Position.Rotate); //R
Assert.IsTrue(lstCmd[2] is Rover.Position.Rotate); //L
Assert.IsTrue(lstCmd[3] is Rover.Position.Rotate); //R
Assert.IsTrue(lstCmd[4] is Rover.Position.Move); //1
Assert.IsTrue(lstCmd[5] is Rover.Position.Rotate); //R
Assert.IsTrue(lstCmd[6] is Rover.Position.Move); //2
Assert.IsTrue(lstCmd[7] is Rover.Position.Rotate); //R
Assert.IsTrue(lstCmd[8] is Rover.Position.Move); //45
Assert.IsTrue(lstCmd[9] is Rover.Position.Rotate); //L
Assert.IsTrue(lstCmd[10] is Rover.Position.Move); //9
Assert.IsTrue(lstCmd[11] is Rover.Position.Rotate); //L
Assert.IsTrue(lstCmd[12] is Rover.Position.Move); //6
Assert.IsTrue(lstCmd[13] is Rover.Position.Rotate); //L
Assert.IsTrue(lstCmd[14] is Rover.Position.Move); //45
}