future-basics.scala

import org.scalatest.FunSuite

import scala.concurrent.duration._
import scala.concurrent.{Await, Future}
// the following is equivalent to `implicit val ec = ExecutionContext.global`
import scala.concurrent.ExecutionContext.Implicits.global

class FutureFun extends FunSuite {
  test("future basics") {
    def unWrap[T](x: Future[T]): T = Await.result(x, 5 seconds)

    val q: Future[Int] = Future { 5 / 1 }

    assert(unWrap(q) == 5)
  }
}