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module Noun = Nock_lib.Noun
module Serial = Nock_lib.Serial
let bytes_of_list ints =
let len = List.length ints in
let buf = Bytes.create len in
List.iteri
(fun i byte ->
if byte < 0 || byte > 0xFF then invalid_arg "byte out of range";
Bytes.set buf i (Char.chr byte))
ints;
buf
let hex_of_bytes bytes =
let buf = Buffer.create (Bytes.length bytes * 2) in
Bytes.iter
(fun ch -> Buffer.add_string buf (Printf.sprintf "%02x" (Char.code ch)))
bytes;
Buffer.contents buf
let atom_int n = Noun.atom (Z.of_int n)
let atom_of_bytes ints =
let rec loop acc shift = function
| [] -> acc
| byte :: rest ->
let part = Z.shift_left (Z.of_int byte) (8 * shift) in
loop (Z.add acc part) (shift + 1) rest
in
Noun.atom (loop Z.zero 0 ints)
let atom_of_ascii s =
let bytes = List.init (String.length s) (fun i -> Char.code s.[i]) in
atom_of_bytes bytes
let pair a b = Noun.cell a b
let trel a b c = Noun.cell a (pair b c)
let qual a b c d = Noun.cell a (trel b c d)
type case = {
name : string;
noun : Noun.noun;
expected : bytes;
}
let case name noun bytes =
{ name; noun; expected = bytes_of_list bytes }
let deep_case =
(* Direct translation of C: [[[[1 [[2 [[3 [[4 [[5 [6 [7 [[8 0] 0]]]] 0]] 0]] 0]] 0]] 0] 0] *)
case "deep"
(pair
(pair
(pair
(atom_int 1)
(pair
(pair
(atom_int 2)
(pair
(pair
(atom_int 3)
(pair
(pair
(atom_int 4)
(pair
(trel
(atom_int 5)
(atom_int 6)
(pair
(atom_int 7)
(pair
(pair (atom_int 8) (atom_int 0))
(atom_int 0)
)
)
)
(atom_int 0))
)
(atom_int 0))
)
(atom_int 0))
)
(atom_int 0))
)
(atom_int 0))
(atom_int 0))
[ 0x15; 0x17; 0xb2; 0xd0; 0x85; 0x59; 0xb8; 0x61;
0x87; 0x5f; 0x10; 0x54; 0x55; 0x05 ]
let wide_case =
let inp =
[ 0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00;
0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00;
0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00;
0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00;
0x01 ]
in
case "wide" (atom_of_bytes inp)
[ 0x00; 0x0c; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00;
0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00;
0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00;
0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00;
0x00; 0x00; 0x08 ]
let date_case =
let inp =
[ 0x00; 0x00; 0x00; 0x00; 0x00; 0x00; 0x0c; 0xa8;
0xab; 0x60; 0xef; 0x2d; 0x0d; 0x00; 0x00; 0x80 ]
in
case "date" (atom_of_bytes inp)
[ 0x00; 0x02; 0x00; 0x00; 0x00; 0x00; 0x00; 0x00;
0x18; 0x50; 0x57; 0xc1; 0xde; 0x5b; 0x1a; 0x00;
0x00; 0x00; 0x01 ]
let alpha_case =
let a = atom_of_ascii "abcdefjhijklmnopqrstuvwxyz" in
let noun = qual a (atom_int 2) (atom_int 3) a in
case "alpha" noun
[ 0x01; 0xf8; 0x0c; 0x13; 0x1b; 0x23; 0x2b; 0x33;
0x53; 0x43; 0x4b; 0x53; 0x5b; 0x63; 0x6b; 0x73;
0x7b; 0x83; 0x8b; 0x93; 0x9b; 0xa3; 0xab; 0xb3;
0xbb; 0xc3; 0xcb; 0xd3; 0x87; 0x0c; 0x3d; 0x09 ]
let cases =
[
case "0" (atom_int 0) [ 0x02 ];
case "1" (atom_int 1) [ 0x0c ];
case "2" (atom_int 2) [ 0x48 ];
case "%fast" (atom_of_ascii "fast")
[ 0xc0; 0x37; 0x0b; 0x9b; 0xa3; 0x03 ];
case "%full" (atom_of_ascii "full")
[ 0xc0; 0x37; 0xab; 0x63; 0x63; 0x03 ];
case "[0 0]"
(pair (atom_int 0) (atom_int 0))
[ 0x29 ];
case "[1 1]"
(pair (atom_int 1) (atom_int 1))
[ 0x31; 0x03 ];
case "[1 2]"
(pair (atom_int 1) (atom_int 2))
[ 0x31; 0x12 ];
case "[2 3]"
(pair (atom_int 2) (atom_int 3))
[ 0x21; 0xd1 ];
case "[%fast %full]"
(pair (atom_of_ascii "fast") (atom_of_ascii "full"))
[ 0x01; 0xdf; 0x2c; 0x6c; 0x8e; 0x0e; 0x7c; 0xb3; 0x3a; 0x36; 0x36 ];
case "[1 1 1]"
(pair (atom_int 1) (pair (atom_int 1) (atom_int 1)))
[ 0x71; 0xcc ];
case "[1 2 3]"
(trel (atom_int 1) (atom_int 2) (atom_int 3))
[ 0x71; 0x48; 0x34 ];
case "[%fast %full %fast]"
(let fast = atom_of_ascii "fast" in
let full = atom_of_ascii "full" in
pair fast (pair full fast))
[ 0x01; 0xdf; 0x2c; 0x6c; 0x8e; 0x1e; 0xf0; 0xcd;
0xea; 0xd8; 0xd8; 0x93 ];
case "[[1 2] 3]"
(pair (pair (atom_int 1) (atom_int 2)) (atom_int 3))
[ 0xc5; 0x48; 0x34 ];
case "[[1 2] [1 2] [1 2]]"
(let one = atom_int 1 in
let two = atom_int 2 in
let sub = pair one two in
trel sub sub sub)
[ 0xc5; 0xc8; 0x26; 0x27; 0x01 ];
case "[[0 0] [[0 0] 1 1] 1 1]"
(pair
(pair (atom_int 0) (atom_int 0))
(pair
(pair
(pair (atom_int 0) (atom_int 0))
(pair (atom_int 1) (atom_int 1)))
(pair (atom_int 1) (atom_int 1))))
[ 0xa5; 0x35; 0x19; 0xf3; 0x18; 0x05 ];
deep_case;
wide_case;
date_case;
alpha_case;
]
let check_case { name; noun; expected } () =
Printf.printf "case %s:\n" name;
let jammed = Serial.jam noun in
let jam_hex = hex_of_bytes jammed in
let expect_hex = hex_of_bytes expected in
Printf.printf " jam : 0x%s\n" jam_hex;
Printf.printf " expect : 0x%s\n%!" expect_hex;
Alcotest.(check string)
(name ^ " jam bytes")
expect_hex
jam_hex;
let cued = Serial.cue expected in
Alcotest.(check bool)
(name ^ " cue roundtrip")
true
(Noun.equal noun cued)
let tests =
List.map (fun case -> case.name, `Quick, check_case case) cases
let () = Alcotest.run ~verbose:true "serial-vectors" [ "cases", tests ]
|
