From 6c4ea364f4a7dfe6f6804c588beb483979ea789a Mon Sep 17 00:00:00 2001
From: phaller <hallerp@gmail.com>
Date: Mon, 26 Nov 2012 02:05:15 +0100
Subject: Fix #19

- Add tests where the result of an await is assigned to a variable external
  to the async block.

- Clean up HygieneSpec.
---
 .../scala/scala/async/run/hygiene/Hygiene.scala    | 92 ++++++++++++++++------
 1 file changed, 66 insertions(+), 26 deletions(-)

diff --git a/src/test/scala/scala/async/run/hygiene/Hygiene.scala b/src/test/scala/scala/async/run/hygiene/Hygiene.scala
index d0be2e0..cbe8df6 100644
--- a/src/test/scala/scala/async/run/hygiene/Hygiene.scala
+++ b/src/test/scala/scala/async/run/hygiene/Hygiene.scala
@@ -6,47 +6,87 @@ package scala.async
 package run
 package hygiene
 
-import language.{reflectiveCalls, postfixOps}
-import concurrent._
-import scala.concurrent.{Future, ExecutionContext, future, Await}
-import scala.concurrent.duration._
-import scala.async.Async.{async, await}
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.junit.runners.JUnit4
 
+@RunWith(classOf[JUnit4])
+class HygieneSpec {
 
-class HygieneClass {
-
-  import ExecutionContext.Implicits.global
-
-  def m1(x: Int): Future[Int] = future {
-    x + 2
-  }
+  import scala.async.AsyncId.{async, await}
 
-  def m2(y: Int) = {
+  @Test
+  def `is hygenic`() {
     val state = 23
     val result: Any = "result"
     def resume(): Any = "resume"
-    async {
-      val f1 = m1(state)
-      val x = await(f1)
-      val y = await(future(result))
-      val z = await(future(resume()))
+    val res = async {
+      val f1 = state + 2
+      val x  = await(f1)
+      val y  = await(result)
+      val z  = await(resume())
       (x, y, z)
     }
+    res._1 mustBe (25)
+    res._2 mustBe ("result")
+    res._3 mustBe ("resume")
   }
-}
 
-@RunWith(classOf[JUnit4])
-class HygieneSpec {
-
-  @Test def `is hygenic`() {
-    val o = new HygieneClass
-    val fut = o.m2(10)
-    val res = Await.result(fut, 2 seconds)
+/* TODO:
+[error] /Users/phaller/git/async/src/test/scala/scala/async/run/hygiene/Hygiene.scala:52: not found: value tr$1
+[error]       val f1 = async { state + 2 }
+[error]                      ^
+  @Test
+  def `is hygenic`() {
+    val state = 23
+    val result: Any = "result"
+    def resume(): Any = "resume"
+    val res = async {
+      val f1 = async { state + 2 }
+      val x  = await(f1)
+      val y  = await(async { result })
+      val z  = await(async { resume() })
+      (x, y, z)
+    }
     res._1 mustBe (25)
     res._2 mustBe ("result")
     res._3 mustBe ("resume")
   }
+*/
+
+  @Test
+  def `external var as result of await`() {
+    var ext = 0
+    async {
+      ext = await(12)
+    }
+    ext mustBe (12)
+  }
+
+  @Test
+  def `external var as result of await 2`() {
+    var ext = 0
+    val inp = 10
+    async {
+      if (inp > 0)
+        ext = await(12)
+      else
+        ext = await(10)
+    }
+    ext mustBe (12)
+  }
+
+  @Test
+  def `external var as result of await 3`() {
+    var ext = 0
+    val inp = 10
+    async {
+      val x = if (inp > 0)
+        await(12)
+      else
+        await(10)
+      ext = x + await(2)
+    }
+    ext mustBe (14)
+  }
 }
-- 
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