public override string ExecuteCommands(string commandsString, Robot robot)
{
foreach (var command in GetCommands(commandsString))
{
var queryBase=_store.GetAll().Where(x => x.WorldEdgePoint.Location.Point.X == robot.Location.Point.X &&
x.WorldEdgePoint.Location.Direction == robot.Location.Direction &&
x.WorldEdgePoint.Command.CommandInstruction == command.CommandInstruction);
if(queryBase.Where(x => x.Key == "XMax").ToList().Any())
continue;
if (queryBase.Where(x => x.Key == "YMax").ToList().Any())
continue;
if (queryBase.Where(x => x.Key == "XMin").ToList().Any())
continue;
if (queryBase.Where(x => x.Key == "YMin").ToList().Any())
continue;
var currentLocation = robot.Location;
command.Execute(robot);
var ret = RobotIsOnPlanet(robot);
if (ret!=null)
{
var worldEdge = new WorldEdgePoint() {Command = command, Location = currentLocation};
_store.Add(new WorldEdgeLine() { WorldEdgePoint = worldEdge,Key = ret});
return string.Format("{0} {1}", currentLocation, "LOST");
}
}
return robot.Location.ToString();
}
public string RobotIsOnPlanet(Robot robot)
{
if (robot.Location.Point.X > World.Point.X)
return "XMax";
if (robot.Location.Point.X < 0)
return "XMin";
if (robot.Location.Point.Y > World.Point.Y)
return "YMax";
if (robot.Location.Point.Y < 0)
return "YMin";
return null;
}
public void subsequent_robots_should_not_fall_off_planet_at_same_point()
{
var commandProcessorFactory = new CommandProcessorFactory();
var commandProcessorRobotWorld = commandProcessorFactory.Build<CommandProcessorRobotWorldPoints>(new Mars(_worldCoords));
var robot = new RobotTest.Robot( new Location(new Point(3, 2), Direction.North));
var robotLocation = commandProcessorRobotWorld.ExecuteCommands("FRRFLLFFRRFLL", robot);
var robot2 = new RobotTest.Robot( new Location(new Point(3, 2), Direction.North));
var robotLocation2 = commandProcessorRobotWorld.ExecuteCommands("FRRFLLFFRRFLL", robot2);
Assert.AreEqual("3 3 North LOST", robotLocation);
Assert.IsFalse(robotLocation2.Contains("LOST"));
}
public void Perform_Full_Test_Using_Edge_Lines()
{
var commandProcessorFactory = new CommandProcessorFactory();
var commandProcessorRobotWorld = commandProcessorFactory.Build<CommandProcessorRobotWorldLines>(new Mars(_worldCoords));
var robot1 = new RobotTest.Robot(new Location(new Point(1, 1), Direction.East));
var robot2 = new RobotTest.Robot(new Location(new Point(3, 2), Direction.North));
var robot3 = new RobotTest.Robot(new Location(new Point(0, 3), Direction.West));
var robotLocation1 = commandProcessorRobotWorld.ExecuteCommands("RFRFRFRF", robot1);
var robotLocation2 = commandProcessorRobotWorld.ExecuteCommands("FRRFLLFFRRFLL", robot2);
var robotLocation3 = commandProcessorRobotWorld.ExecuteCommands("LLFFFLFLFL", robot3);
Assert.AreEqual("1 1 East", robotLocation1);
Assert.AreEqual("3 3 North LOST", robotLocation2);
Assert.AreEqual("2 3 South", robotLocation3);
}