import M5a._

import scala.concurrent._

import scala.concurrent.duration._

import ExecutionContext.Implicits.global

import scala.language.postfixOps 

lazy val f = Future {

val urban_bench = 

""">+[<+++++++++++++>-]<[[>+>+<<-]>[<+>-]++++++++

   [>++++++++<-]>.[-]<<>++++++++++[>++++++++++[>++

   ++++++++[>++++++++++[>++++++++++[>++++++++++[>+

   +++++++++[-]<-]<-]<-]<-]<-]<-]<-]++++++++++."""

assert(run(urban_bench, Map()) == 

  Map(0 -> 10, 5 -> 0, 1 -> 0, 6 -> 0, 2 -> 0, 7 -> 0, 3 -> 0, 4 -> 0))

}

Await.result(f, 32 second)