From ffd7b9649cde61553f16c25f64c3072ecfa6c713 Mon Sep 17 00:00:00 2001
From: Philipp Haller <hallerp@gmail.com>
Date: Tue, 26 Feb 2013 01:16:40 +0100
Subject: Remove CPS dependency from default async implementation

- move all CPS-related code to `continuations` sub package
- fix CPS-based async implementation
- enable testing of CPS-based async implementation
---
 src/test/scala/scala/async/run/cps/CPSSpec.scala | 49 ++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/test/scala/scala/async/run/cps/CPSSpec.scala

(limited to 'src/test/scala')

diff --git a/src/test/scala/scala/async/run/cps/CPSSpec.scala b/src/test/scala/scala/async/run/cps/CPSSpec.scala
new file mode 100644
index 0000000..b56c6ad
--- /dev/null
+++ b/src/test/scala/scala/async/run/cps/CPSSpec.scala
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2012 Typesafe Inc. <http://www.typesafe.com>
+ */
+
+package scala.async
+package run
+package cps
+
+import scala.concurrent.{Future, Promise, ExecutionContext, future, Await}
+import scala.concurrent.duration._
+import scala.async.continuations.CPSBasedAsync._
+import scala.util.continuations._
+
+import org.junit.runner.RunWith
+import org.junit.runners.JUnit4
+import org.junit.Test
+
+@RunWith(classOf[JUnit4])
+class CPSSpec {
+
+  import ExecutionContext.Implicits.global
+
+  def m1(y: Int): Future[Int] = async {
+    val f = future { y + 2 }
+    val f2 = future { y + 3 }
+    val x1 = await(f)
+    val x2 = await(f2)
+    x1 + x2
+  }
+
+  def m2(y: Int): Future[Int] = async {
+    val f = future { y + 2 }
+    val res = await(f)
+    if (y > 0) res + 2
+    else res - 2
+  }
+
+  @Test
+  def testCPSFallback() {
+    val fut1 = m1(10)
+    val res1 = Await.result(fut1, 2.seconds)
+    assert(res1 == 25, s"expected 25, got $res1")
+
+    val fut2 = m2(10)
+    val res2 = Await.result(fut2, 2.seconds)
+    assert(res2 == 14, s"expected 14, got $res2")
+  }
+
+}
-- 
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