1 

     2 import scala.concurrent._

     3 import scala.concurrent.duration._

     4 import ExecutionContext.Implicits.global

     5 import scala.language.postfixOps 

     6 import scala.language.reflectiveCalls

     7 

     8 lazy val f = Future {

     9   import CW8b._

    10 

    11   assert(start("[-]", Map(0 -> 100)) == Map(0 -> 0))

    12   assert(start("[->+<]", Map(0 -> 10)) == Map(0 -> 0, 1 -> 10))

    13   assert(start("[>>+>>+<<<<-]", Map(0 -> 42)) == Map(0 -> 0, 2 -> 42, 4 -> 42))

    14   assert(start("""++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]

    15        <-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.""", Map()) == Map(0 -> 0, 5 -> 33, 1 -> 0, 6 -> 10, 2 -> 72, 3 -> 100, 4 -> 87))

    16 

    17 }

    18 

    19 Await.result(f, 120 second)