42 lines
1.4 KiB
OCaml
42 lines
1.4 KiB
OCaml
|
let random ?g len =
|
||
|
|
let bstr = Bigstringaf.create len in
|
||
|
|
for i = 0 to len - 1 do
|
||
|
|
let chr =
|
||
|
|
match g with
|
||
|
|
| Some g -> Char.unsafe_chr (Random.State.bits g land 0xff)
|
||
|
|
| None -> Char.unsafe_chr (Random.bits () land 0xff)
|
||
|
|
in
|
||
|
|
Bigstringaf.set bstr i chr
|
||
|
|
done;
|
||
|
|
bstr
|
||
|
|
|
||
|
|
let make ?cachesize ?pagesize ?g len =
|
||
|
|
let bstr = random ?g len in
|
||
|
|
let map () ~pos len =
|
||
|
|
if pos < 0 || len < 0 || pos > Bigarray.Array1.dim bstr then
|
||
|
|
Printf.ksprintf invalid_arg "map ~pos:%d %d" pos len;
|
||
|
|
let len' = Int.min (Bigarray.Array1.dim bstr - pos) len in
|
||
|
|
Bigarray.Array1.sub bstr pos len'
|
||
|
|
in
|
||
|
|
(Cachet.make ?cachesize ?pagesize ~map (), bstr)
|
||
|
|
|
||
|
|
let test01 =
|
||
|
|
Alcotest.test_case "test01" `Quick @@ fun () ->
|
||
|
|
let t, oracle = make ~cachesize:0x100 ~pagesize:0x100 0xe000 in
|
||
|
|
let a = Cachet.get_uint8 t 0xdead in
|
||
|
|
let b = Char.code (Bigstringaf.get oracle 0xdead) in
|
||
|
|
Alcotest.(check int) "0xdead" a b;
|
||
|
|
let a = Cachet.get_string t 0xdead ~len:10 in
|
||
|
|
let b = Bigstringaf.substring oracle ~off:0xdead ~len:10 in
|
||
|
|
Alcotest.(check string) "0xdead" a b;
|
||
|
|
let a = Cachet.get_string t 0xdea0 ~len:10 in
|
||
|
|
let b = Bigstringaf.substring oracle ~off:0xdea0 ~len:10 in
|
||
|
|
Alcotest.(check string) "0xdea0" a b;
|
||
|
|
let a = Cachet.get_seq t 0 in
|
||
|
|
let b = Bigstringaf.to_string oracle in
|
||
|
|
let a = List.of_seq a in
|
||
|
|
let a = String.concat "" a in
|
||
|
|
Alcotest.(check string) "all" a b
|
||
|
|
|
||
|
|
let () = Alcotest.run "chat" [ ("simple", [ test01 ]) ]
|