BowlingGameSpecs.scala

import org.scalatest.Spec
import org.scalatest.matchers.ShouldMatchers

class BowlingGameSpecs extends Spec with ShouldMatchers {
  describe("Playing a game") {

    it("should have a score of zero for a game with all zero rolls") {
      val game = new BowlingGame(List(0,0,0,0,0,0,0,0,0,0)
      game.score should equal(0)
    }
  }
}

import scala.collection.mutable._

class BowlingGame(val reverseRolls: List[Int]) {
  def score = -1
}