talircd/lib/server/test_wheel.ml

38 lines
1.0 KiB
OCaml

let%expect_test _ =
let print_list print_ele xs =
let rec iter pre post = function
| [] -> print_string post
| x :: xs ->
print_string pre;
print_ele x;
iter ";" "]" xs
in
iter "[" "[]" xs
in
let print_ints_nl xs = print_list print_int xs; print_newline () in
let wh = Wheel.make 4 in
(* t=0 *)
Wheel.add wh 1 |> ignore;
Wheel.add wh 2 |> ignore;
Wheel.add wh 3 |> ignore;
(* t=1 *)
print_ints_nl (Wheel.tick wh); [%expect {| [] |}];
Wheel.add wh 4 |> ignore;
Wheel.add wh 5 |> ignore;
(* t=2 *)
print_ints_nl (Wheel.tick wh); [%expect {| [] |}];
Wheel.add wh 6 |> ignore;
(* t=3 *)
print_ints_nl (Wheel.tick wh); [%expect {| [] |}];
(* t=0 *)
print_ints_nl (Wheel.tick wh); [%expect {| [1;2;3] |}];
(* t=1 *)
print_ints_nl (Wheel.tick wh); [%expect {| [4;5] |}];
(* t=2 *)
print_ints_nl (Wheel.tick wh); [%expect {| [6] |}];
(* t=3 *)
print_ints_nl (Wheel.tick wh); [%expect {| [] |}];
(* t=0 *)
print_ints_nl (Wheel.tick wh); [%expect {| [] |}];