diff -r bc131735c940 -r 438459a8e48b testing4/re1e_test.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing4/re1e_test.scala	Thu Nov 22 17:35:30 2018 +0000
@@ -0,0 +1,19 @@
+
+//import scala.concurrent._
+//import scala.concurrent.duration._
+//import ExecutionContext.Implicits.global
+//import scala.language.postfixOps 
+//import scala.language.reflectiveCalls
+
+//lazy val f = Future {
+  import CW8a._
+
+  val EVIL_urban = SEQ(STAR(STAR(CHAR('a'))), CHAR('b'))
+
+  assert(size(der('a', der('a', EVIL_urban))) == 28)
+  assert(size(der('a', der('a', der('a', EVIL_urban)))) == 58)
+
+  assert(size(ders("aaaaaa".toList, EVIL_urban)) == 8)
+//}
+
+//Await.result(f, 120 second)