Allow several units to be pickle-tested at once.

Also: Make Pickler a plain phase; it is neither a macro transformer nor
a miniphase.

Add tests to pickleOK that are known to be stable under pickling/unpicking
by comparing tree representations via show.

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/pos/pickleOK/unapply.scala b/tests/pos/pickleOK/unapply.scala
new file mode 100644
index 000000000..ba885be73
--- /dev/null
+++ b/tests/pos/pickleOK/unapply.scala
@@ -0,0 +1,11 @@
+object test {
+  class Foo[T](val arg : T)
+
+  object Foo  {
+    def unapply [a](m : Foo[a]) = Some (m.arg)
+  }
+  def matchAndGetArgFromFoo[b]( e:Foo[b]):b = {e match { case Foo(x) => x }}
+// Unapply node here will have type argument [a] instantiated to scala.Nothing:
+// UnApply(TypeApply(Select(Ident(Foo),unapply),List(TypeTree[TypeVar(PolyParam(a) -> TypeRef(ThisType(TypeRef(NoPrefix,scala)),Nothing))])),List(),List(Bind(x,Ident(_))))
+// but the type of the UnApply node itself is correct: RefinedType(TypeRef(ThisType(TypeRef(ThisType(TypeRef(NoPrefix,<empty>)),test$)),Foo), test$$Foo$$a, TypeAlias(TypeRef(NoPrefix,a)))
+}