1 files changed, 8 insertions, 0 deletions
diff --git a/test/files/run/unittest_collection.scala b/test/files/run/unittest_collection.scala
index 6d2a34cfb9..5d7ab97425 100644
--- a/test/files/run/unittest_collection.scala
+++ b/test/files/run/unittest_collection.scala
@@ -38,6 +38,14 @@ object Test {
       // clear
       x.clear
       assertEquals("length F ", x.length, 0)
+
+      // copyToBuffer
+      x += "a"
+      x += "b"
+      val dest = new ArrayBuffer[String]
+      x copyToBuffer dest
+      assertEquals("dest", List("a", "b"), dest.toList)
+      assertEquals("source", List("a", "b"), x.toList)
     }
   }