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|
(* Js_of_ocaml tests
* http://www.ocsigen.org/js_of_ocaml/
* Copyright (C) 2022 Hugo Heuzard
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
open Js_of_ocaml
let content =
let t = Random.State.make [| 1; 2; 3; 4; 5 |] in
String.init (1024 * 1024) (fun _ -> Char.chr (Random.State.int t (0xff + 1)))
let print_digest d = print_endline (Digest.to_hex d)
let%expect_test _ =
print_digest (Digest.string content);
[%expect {| dd5da7fa373a2b2257d361aaf76845a0 |}];
let c = open_out_bin "/static/temp0" in
output_string c content;
close_out c;
let c = open_in_bin "/static/temp0" in
print_digest (Digest.channel c (-1));
[%expect {| dd5da7fa373a2b2257d361aaf76845a0 |}];
let c = open_out_bin "/static/temp1" in
close_out c;
let c = open_in_bin "/static/temp1" in
let pos = ref 0 in
Sys_js.set_channel_filler c (fun () ->
if !pos = String.length content
then ""
else (
pos := String.length content;
content));
print_digest (Digest.channel c (-1));
[%expect {| dd5da7fa373a2b2257d361aaf76845a0 |}];
let c = open_in_bin "/static/temp1" in
let pos = ref 0 in
Sys_js.set_channel_filler c (fun () ->
if !pos = String.length content
then ""
else
let len = Random.int 512 + 1 in
let len =
if !pos + len > String.length content then String.length content - !pos else len
in
let c = String.sub content !pos len in
pos := !pos + len;
c);
print_digest (Digest.channel c (-1));
[%expect {| dd5da7fa373a2b2257d361aaf76845a0 |}];
()
let%expect_test _ =
let size = String.length content / 2 in
print_digest (Digest.string (String.sub content 0 size));
[%expect {| 573705548ab0d6c8a2193579611511a2 |}];
let c = open_out_bin "/static/temp0" in
output_string c content;
close_out c;
let c = open_in_bin "/static/temp0" in
print_digest (Digest.channel c size);
[%expect {| 573705548ab0d6c8a2193579611511a2 |}];
let c = open_out_bin "/static/temp1" in
close_out c;
let c = open_in_bin "/static/temp1" in
let pos = ref 0 in
Sys_js.set_channel_filler c (fun () ->
if !pos = String.length content
then ""
else (
pos := String.length content;
content));
print_digest (Digest.channel c size);
[%expect {| 573705548ab0d6c8a2193579611511a2 |}];
let c = open_in_bin "/static/temp1" in
let pos = ref 0 in
Sys_js.set_channel_filler c (fun () ->
if !pos = String.length content
then ""
else
let len = Random.int 512 + 1 in
let len =
if !pos + len > String.length content then String.length content - !pos else len
in
let c = String.sub content !pos len in
pos := !pos + len;
c);
print_digest (Digest.channel c size);
[%expect {| 573705548ab0d6c8a2193579611511a2 |}];
()
let%expect_test _ =
print_digest (Digest.string content);
[%expect {| dd5da7fa373a2b2257d361aaf76845a0 |}];
let c = open_out_bin "/static/temp0" in
output_string c content;
close_out c;
let content' = Sys_js.read_file ~name:"/static/temp0" in
assert (content' = content);
[%expect {||}]
|
