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/**
* Copyright (C) 2012 Typesafe Inc. <http://www.typesafe.com>
*/
import language.{ reflectiveCalls, postfixOps }
import scala.concurrent.{ Future, ExecutionContext, future, Await }
import scala.concurrent.duration._
import scala.async.Async.{ async, await }
object Test extends App {
Await0Spec.check()
}
class Await0Class {
import ExecutionContext.Implicits.global
def m1(x: Double): Future[Double] = future {
Thread.sleep(200)
x + 2.0
}
def m2(x: Float): Future[Float] = future {
Thread.sleep(200)
x + 2.0f
}
def m3(x: Char): Future[Char] = future {
Thread.sleep(200)
(x.toInt + 2).toChar
}
def m4(x: Short): Future[Short] = future {
Thread.sleep(200)
(x + 2).toShort
}
def m5(x: Byte): Future[Byte] = future {
Thread.sleep(200)
(x + 2).toByte
}
def m0(y: Int): Future[Double] = async {
val f1 = m1(y.toDouble)
val x1: Double = await(f1)
val f2 = m2(y.toFloat)
val x2: Float = await(f2)
val f3 = m3(y.toChar)
val x3: Char = await(f3)
val f4 = m4(y.toShort)
val x4: Short = await(f4)
val f5 = m5(y.toByte)
val x5: Byte = await(f5)
x1 + x2 + 2.0
}
}
object Await0Spec extends MinimalScalaTest {
"An async method" should {
"support a simple await" in {
val o = new Await0Class
val fut = o.m0(10)
val res = Await.result(fut, 10 seconds)
res mustBe(26.0)
}
}
}
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