2 files changed, 10 insertions, 0 deletions
diff --git a/test/files/run/collections.check b/test/files/run/collections.check
index ad92767fa6..33a8551bf3 100644
--- a/test/files/run/collections.check
+++ b/test/files/run/collections.check
@@ -22,6 +22,14 @@ test3: 1013003
 test1: 14005
 test2: 1013003
 test3: 1013003
+***** immutable.HashTreeSet:
+test1: 14005
+test2: 25005003
+test3: 25005003
+***** immutable.HashTreeMap:
+test1: 14005
+test2: 1013003
+test3: 1013003
 ***** mutable.HashMap:
 test1: 14005
 test2: 25005003
diff --git a/test/files/run/collections.scala b/test/files/run/collections.scala
index 5e97b2df38..6717b524bb 100755
--- a/test/files/run/collections.scala
+++ b/test/files/run/collections.scala
@@ -96,5 +96,7 @@ object Test extends Application {
   test("immutable.ListMap", new immutable.ListMap[int, int])
   test("immutable.TreeMap", new immutable.TreeMap[int, int])
   test("immutable.UnBalancedTreeMap", new immutable.UnbalancedTreeMap[int, int])
+  test("immutable.HashTreeSet", new immutable.HashTreeSet[int])
+  test("immutable.HashTreeMap", new immutable.HashTreeMap[int, int])
   test("mutable.HashMap", new mutable.HashMap[int, int])
 }