diff --git a/src/OpenFOAM/containers/HashTables/HashSet/HashSet.H b/src/OpenFOAM/containers/HashTables/HashSet/HashSet.H
index 0af0d4a0e6..4523f2d7bc 100644
--- a/src/OpenFOAM/containers/HashTables/HashSet/HashSet.H
+++ b/src/OpenFOAM/containers/HashTables/HashSet/HashSet.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2016-2018 OpenCFD Ltd.
+    \\  /    A nd           | Copyright (C) 2016-2019 OpenCFD Ltd.
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
                             | Copyright (C) 2011-2016 OpenFOAM Foundation
@@ -168,6 +168,14 @@ public:
 
     // Member Functions
 
+        //- Same as found() - return true if key exists in the set.
+        //  Method name compatibility with bitSet and boolList.
+        bool test(const Key& key) const
+        {
+            return found(key);
+        }
+
+
     // Edit
 
         //- Insert a new entry, not overwriting existing entries.