From 11fe7a0cb359d59752d7ce442a9ccaad31ad157d Mon Sep 17 00:00:00 2001 From: phaller Date: Mon, 5 Nov 2012 17:29:48 +0100 Subject: Support await inside match expressions --- src/test/scala/scala/async/run/match0/Match0.scala | 73 ++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 src/test/scala/scala/async/run/match0/Match0.scala (limited to 'src/test') diff --git a/src/test/scala/scala/async/run/match0/Match0.scala b/src/test/scala/scala/async/run/match0/Match0.scala new file mode 100644 index 0000000..3c7e297 --- /dev/null +++ b/src/test/scala/scala/async/run/match0/Match0.scala @@ -0,0 +1,73 @@ +/** + * Copyright (C) 2012 Typesafe Inc. + */ + +package scala.async +package run +package match0 + +import language.{reflectiveCalls, postfixOps} +import scala.concurrent.{Future, ExecutionContext, future, Await} +import scala.concurrent.duration._ +import scala.async.Async.{async, await} +import org.junit.runner.RunWith +import org.junit.runners.JUnit4 +import org.junit.Test + + +class TestMatchClass { + + import ExecutionContext.Implicits.global + + def m1(x: Int): Future[Int] = future { + Thread.sleep(1000) + x + 2 + } + + def m2(y: Int): Future[Int] = async { + val f = m1(y) + var z = 0 + y match { + case 10 => + val x1 = await(f) + z = x1 + 2 + case 20 => + val x2 = await(f) + z = x2 - 2 + } + z + } + + def m3(y: Int): Future[Int] = async { + val f = m1(y) + var z = 0 + y match { + case 0 => + val x2 = await(f) + z = x2 - 2 + case 1 => + val x1 = await(f) + z = x1 + 2 + } + z + } +} + + +@RunWith(classOf[JUnit4]) +class MatchSpec { + + @Test def `support await in a simple match expression`() { + val o = new TestMatchClass + val fut = o.m2(10) // matches first case + val res = Await.result(fut, 2 seconds) + res mustBe (14) + } + + @Test def `support await in a simple match expression 2`() { + val o = new TestMatchClass + val fut = o.m3(1) // matches second case + val res = Await.result(fut, 2 seconds) + res mustBe (5) + } +} -- cgit v1.2.3