ref: 48db12b5f4e2ef12f5cf5b14bdc71356a5f9e848 dir: /tests/Enum.ref/
[1,2,3,4,5] [1] [] [1,3,5,7,9] [1,-1,-3,-5] [1,2,3,4,5] [1,3,5,7,9]