Added another fix for #3970.

No review.

1 files changed, 21 insertions, 0 deletions

diff --git a/test/files/run/t3970.scala b/test/files/run/t3970.scala
new file mode 100644
index 0000000000..35b5ce6e1b
--- /dev/null
+++ b/test/files/run/t3970.scala
@@ -0,0 +1,21 @@
+
+
+
+import collection.mutable._
+
+
+
+object Test {
+  def main(args: Array[String]) {
+    val dl = DoubleLinkedList[Int]()
+    dl.remove()
+
+    val dl2 = DoubleLinkedList[Int](1, 2, 3)
+    dl2.next.remove()
+    assert(dl2 == DoubleLinkedList(1, 3))
+
+    val dl3 = DoubleLinkedList[Int](1, 2, 3)
+    assert(dl3.drop(1) == DoubleLinkedList(2, 3))
+    assert(dl3.drop(1).prev == null)
+  }
+}