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Diffstat (limited to 'test/pending/run/fallback0/fallback0-manual.scala')
-rw-r--r-- | test/pending/run/fallback0/fallback0-manual.scala | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/test/pending/run/fallback0/fallback0-manual.scala b/test/pending/run/fallback0/fallback0-manual.scala new file mode 100644 index 0000000..611d09d --- /dev/null +++ b/test/pending/run/fallback0/fallback0-manual.scala @@ -0,0 +1,72 @@ +/** + * Copyright (C) 2012 Typesafe Inc. <http://www.typesafe.com> + */ + +import language.{ reflectiveCalls, postfixOps } +import scala.concurrent.{ Future, ExecutionContext, future, Await, Promise } +import scala.concurrent.duration._ +import scala.async.EndTaskException +import scala.async.Async.{ async, await, awaitCps } +import scala.util.continuations.reset + +object TestManual extends App { + + Fallback0ManualSpec.check() + +} + +class TestFallback0ManualClass { + import ExecutionContext.Implicits.global + + def m1(x: Int): Future[Int] = future { + Thread.sleep(1000) + x + 2 + } + + def m2(y: Int): Future[Int] = { + val p = Promise[Int]() + future { reset { + val f = m1(y) + var z = 0 + val res = awaitCps(f, p) + 5 + if (res > 0) { + z = 2 + } else { + z = 4 + } + z + } } + p.future + } + + /* that isn't even supported by current CPS plugin + def m3(y: Int): Future[Int] = { + val p = Promise[Int]() + future { reset { + val f = m1(y) + var z = 0 + val res: Option[Int] = Some(5) + res match { + case None => z = 4 + case Some(a) => z = awaitCps(f, p) - 10 + } + z + } } + p.future + } + */ +} + + +object Fallback0ManualSpec extends MinimalScalaTest { + + "An async method" should { + "support await in a simple if-else expression" in { + val o = new TestFallback0ManualClass + val fut = o.m2(10) + val res = Await.result(fut, 2 seconds) + res mustBe(2) + } + } + +} |