Fix #31, Unfinished ANF transform

Prepend {(); ... } before starting the ANF transform.

Add tracing to the anf/inline transform.

Also enables and addresses SIP-18 warnings.

1 files changed, 33 insertions, 0 deletions

diff --git a/src/test/scala/scala/async/run/anf/AnfTransformSpec.scala b/src/test/scala/scala/async/run/anf/AnfTransformSpec.scala
index 872e44d..8bdb80f 100644
--- a/src/test/scala/scala/async/run/anf/AnfTransformSpec.scala
+++ b/src/test/scala/scala/async/run/anf/AnfTransformSpec.scala
@@ -172,4 +172,37 @@ class AnfTransformSpec {
     }
     result mustBe (103)
   }
+
+  @Test
+  def nestedAwaitAsBareExpression() {
+    import ExecutionContext.Implicits.global
+    import _root_.scala.async.AsyncId.{async, await}
+    val result = async {
+      await(await("").isEmpty)
+    }
+    result mustBe (true)
+  }
+
+  @Test
+  def nestedAwaitInBlock() {
+    import ExecutionContext.Implicits.global
+    import _root_.scala.async.AsyncId.{async, await}
+    val result = async {
+      ()
+      await(await("").isEmpty)
+    }
+    result mustBe (true)
+  }
+
+  @Test
+  def nestedAwaitInIf() {
+    import ExecutionContext.Implicits.global
+    import _root_.scala.async.AsyncId.{async, await}
+    val result = async {
+      if ("".isEmpty)
+        await(await("").isEmpty)
+      else 0
+    }
+    result mustBe (true)
+  }
 }