Add to test case

Author: odersky

tests/run/generic/SearchResult.scala

@@ -11,7 +11,7 @@ import Shapes._
  */
 sealed trait SearchResult extends Enum
 
-object SearchResult extends EnumValues[SearchResult](2) {
+object SearchResult extends EnumValues[SearchResult](3) {
 
   private def $new(tag: Int, name: String) = new SearchResult {
     def enumTag = tag
@@ -46,9 +46,10 @@ object SearchResult extends EnumValues[SearchResult](2) {
     }
   }
 
-  implicit def SearchResultShape:
-    SearchResult `shaped` Sum[Success, Sum[Ambiguous, EnumValue[SearchResult]]] =
-    new (SearchResult `shaped` Sum[Success, Sum[Ambiguous, EnumValue[SearchResult]]]) {
+  type Shape = Sum[Success, Sum[Ambiguous, EnumValue[SearchResult]]]
+
+  implicit def SearchResultShape: SearchResult `unfolds` Shape =
+    new (SearchResult `shaped` Shape) {
       def toShape(x: SearchResult) = x match {
         case x: Success => Fst(x)
         case x: Ambiguous => Snd(Fst(x))

tests/run/generic/Test.scala

@@ -3,11 +3,12 @@ import Tree._
 import List._
 import java.io._
 import Shapes._
+import SearchResult._
 
 object Test {
   import Serialization._
 
-  private var lCount, tCount = 0
+  private var lCount, tCount, sCount = 0
 
 // ------- Code that will eventually be produced by macros -------------
 
@@ -29,6 +30,11 @@ object Test {
   implicit lazy val tsInt: Serializable[Tree[Int]] = TreeSerializable[Int]
   implicit lazy val tsBoolean: Serializable[Tree[Boolean]] = TreeSerializable[Boolean]
 
+  implicit lazy val SearchResultSerializable: Serializable[SearchResult] = {
+    sCount += 1
+    RecSerializable[SearchResult, SearchResult.Shape]
+  }
+
 // ------- Test code --------------------------------------------------------
 
   /** Serialize data, then deserialize it back and check that it is the same. */
@@ -49,10 +55,18 @@ object Test {
   val data2 =
     If(IsZero(Pred(Succ(Zero))), Succ(Succ(Zero)), Pred(Pred(Zero)))
 
+  val data3 = Cons(Color.Red, Cons(Color.Green, Cons(Color.Blue, Nil)))
+
+  val data4 = Ambiguous(Success(Color.Green), Diverging)
+
   def main(args: Array[String]) = {
     sds(data1)
     assert(lCount == 1, lCount)
     sds(data2)
     assert(tCount == 2, tCount)
+    sds(data3)
+    assert(lCount == 2, lCount)
+    sds(data4)
+    assert(sCount == 1, sCount)
   }
 }