Github user jorgebay commented on a diff in the pull request:
https://github.com/apache/tinkerpop/pull/747#discussion_r152009040
--- Diff: gremlin-test/features/map/Fold.feature ---
@@ -0,0 +1,57 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+Feature: Step - fold()
+
+ Scenario: g_V_fold
+ Given the modern graph
+ And the traversal of
+ """
+ g.V().fold()
+ """
+ When iterated to list
+ Then the result should be unordered
+ | result |
+ | l[v[marko],v[vadas],v[lop],v[josh],v[ripple],v[peter]] |
+
+ Scenario: g_V_fold_unfold
+ Given the modern graph
+ And the traversal of
+ """
+ g.V().fold().unfold()
+ """
+ When iterated to list
+ Then the result should be unordered
+ | result |
+ | v[marko] |
+ | v[vadas] |
+ | v[lop] |
+ | v[josh] |
+ | v[ripple] |
+ | v[peter] |
+
+ Scenario: g_V_age_foldX0_plusX
+ Given the modern graph
+ And the traversal of
+ """
+ g.V().values("age").fold(0, Operator.sum)
+ """
+ When iterated to list
+ Then the result should be unordered
+ | result |
+ | d[123].l |
--- End diff --
The expected value is an `int`.
---
