mte/unikernel/duniverse/base/test/test_base_containers_poly.ml
2025-11-11 02:07:51 +01:00

227 lines
6.7 KiB
OCaml

open! Import
open Test_container
(* Tests of containers that are polymorphic over their element type. *)
include (Test_S1 (Array) : sig end)
include (Test_S1 (List) : sig end)
include (Test_S1 (Queue) : sig end)
(* Quickcheck-based expect tests *)
let%expect_test "Array" =
Base_container_tests.test_indexed_container_s1_with_creators
(module struct
include Array
type 'a t = 'a array [@@deriving quickcheck]
(* [Array.concat] has a slightly different type than S1 expects *)
let concat array = concat (Array.to_list array)
end);
[%expect
{|
Container: testing [length]
Container: testing [is_empty]
Container: testing [mem]
Container: testing [iter]
Container: testing [fold]
Container: testing [fold_result]
Container: testing [fold_until]
Container: testing [exists]
Container: testing [for_all]
Container: testing [count]
Container: testing [sum]
Container: testing [find]
Container: testing [find_map]
Container: testing [to_list]
Container: testing [to_array]
Container: testing [min_elt]
Container: testing [max_elt]
Container: testing [of_list]
Container: testing [of_array]
Container: testing [append]
Container: testing [concat]
Container: testing [map]
Container: testing [filter]
Container: testing [filter_map]
Container: testing [concat_map]
Container: testing [partition_tf]
Container: testing [partition_map]
Container: testing [foldi]
Container: testing [iteri]
Container: testing [existsi]
Container: testing [for_alli]
Container: testing [counti]
Container: testing [findi]
Container: testing [find_mapi]
Container: testing [init]
Container: testing [mapi]
Container: testing [filteri]
Container: testing [filter_mapi]
Container: testing [concat_mapi]
|}]
;;
let%expect_test "List" =
Base_container_tests.test_indexed_container_s1_with_creators
(module struct
include List
type 'a t = 'a list [@@deriving quickcheck]
end);
[%expect
{|
Container: testing [length]
Container: testing [is_empty]
Container: testing [mem]
Container: testing [iter]
Container: testing [fold]
Container: testing [fold_result]
Container: testing [fold_until]
Container: testing [exists]
Container: testing [for_all]
Container: testing [count]
Container: testing [sum]
Container: testing [find]
Container: testing [find_map]
Container: testing [to_list]
Container: testing [to_array]
Container: testing [min_elt]
Container: testing [max_elt]
Container: testing [of_list]
Container: testing [of_array]
Container: testing [append]
Container: testing [concat]
Container: testing [map]
Container: testing [filter]
Container: testing [filter_map]
Container: testing [concat_map]
Container: testing [partition_tf]
Container: testing [partition_map]
Container: testing [foldi]
Container: testing [iteri]
Container: testing [existsi]
Container: testing [for_alli]
Container: testing [counti]
Container: testing [findi]
Container: testing [find_mapi]
Container: testing [init]
Container: testing [mapi]
Container: testing [filteri]
Container: testing [filter_mapi]
Container: testing [concat_mapi]
|}]
;;
let%expect_test "Set" =
Base_container_tests.test_container_s0
(module struct
open Base_quickcheck
module Elt = struct
include Int
type t = (int[@generator Generator.small_strictly_positive_int])
[@@deriving compare, equal, quickcheck, sexp_of]
end
include Set
type t = Set.M(Int).t [@@deriving sexp_of]
let quickcheck_generator = Generator.set_t_m (module Elt) Elt.quickcheck_generator
let quickcheck_observer = Observer.set_t Elt.quickcheck_observer
let quickcheck_shrinker = Shrinker.set_t Elt.quickcheck_shrinker
let min_elt t ~compare:_ = min_elt t
let max_elt t ~compare:_ = max_elt t
(* [find] and [find_map] use pre-order traversals (root -> left -> right), while all
the other traversals are in-order (left -> root -> right). We patch them up here
to behave like pre-order, while still using [Set.find] and [Set.find_map] for the
searching so we're actually testing those functions. *)
let rec find t ~f =
match Set.find t ~f with
| None -> None
| Some elt as some ->
let lt, _ = Set.split_lt_ge t elt in
Option.first_some (find lt ~f) some
;;
let rec find_map t ~f =
match Set.find_map t ~f:(fun elt -> Option.map (f elt) ~f:(fun x -> elt, x)) with
| None -> None
| Some (elt, x) ->
let lt, _ = Set.split_lt_ge t elt in
Option.first_some (find_map lt ~f) (Some x)
;;
end);
[%expect
{|
Container: testing [length]
Container: testing [is_empty]
Container: testing [mem]
Container: testing [iter]
Container: testing [fold]
Container: testing [fold_result]
Container: testing [fold_until]
Container: testing [exists]
Container: testing [for_all]
Container: testing [count]
Container: testing [sum]
Container: testing [find]
Container: testing [find_map]
Container: testing [to_list]
Container: testing [to_array]
Container: testing [min_elt]
Container: testing [max_elt]
|}]
;;
let%expect_test "Queue" =
Base_container_tests.test_indexed_container_s1
(module struct
include Queue
open Base_quickcheck
let quickcheck_generator quickcheck_generator_elt =
[%generator: elt list] |> Generator.map ~f:Queue.of_list
;;
let quickcheck_observer quickcheck_observer_elt =
[%observer: elt list] |> Observer.unmap ~f:Queue.to_list
;;
let quickcheck_shrinker quickcheck_shrinker_elt =
[%shrinker: elt list] |> Shrinker.map ~f:Queue.of_list ~f_inverse:Queue.to_list
;;
end);
[%expect
{|
Container: testing [length]
Container: testing [is_empty]
Container: testing [mem]
Container: testing [iter]
Container: testing [fold]
Container: testing [fold_result]
Container: testing [fold_until]
Container: testing [exists]
Container: testing [for_all]
Container: testing [count]
Container: testing [sum]
Container: testing [find]
Container: testing [find_map]
Container: testing [to_list]
Container: testing [to_array]
Container: testing [min_elt]
Container: testing [max_elt]
Container: testing [foldi]
Container: testing [iteri]
Container: testing [existsi]
Container: testing [for_alli]
Container: testing [counti]
Container: testing [findi]
Container: testing [find_mapi]
|}]
;;