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|
(* Js_of_ocaml compiler
* http://www.ocsigen.org/js_of_ocaml/
* Copyright (C) 2017 Hugo Heuzard
* Copyright (C) 2019 Ty Overby
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, with linking exception;
* either version 2.1 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.
*)
(* https://github.com/ocsigen/js_of_ocaml/issues/739 *)
let print_bool b = print_endline (string_of_bool b)
let%expect_test "is_int" =
let r = ref false in
let f x =
match Obj.is_int x with
| true ->
r := true;
true
| false ->
r := false;
false
in
print_string "[not (is_int 1)]: ";
print_bool (not (f (Obj.repr 1)));
print_string "[is_int (1,2,3)]: ";
print_bool (f (Obj.repr (1, 2, 3)));
[%expect {|
[not (is_int 1)]: false
[is_int (1,2,3)]: false
|}]
(* https://github.com/ocsigen/js_of_ocaml/issues/666 *)
(* https://github.com/ocsigen/js_of_ocaml/pull/725 *)
external use_js_string : unit -> bool = "caml_jsoo_flags_use_js_string"
let%expect_test "dup string/bytes" =
let js_string_enabled = use_js_string () in
let s = "Hello" in
let s' : string = Obj.obj (Obj.dup (Obj.repr s)) in
print_bool (s = s');
print_bool (js_string_enabled = (s == s'));
[%expect {|
true
true |}];
let s = Bytes.of_string "Hello" in
let s' : bytes = Obj.obj (Obj.dup (Obj.repr s)) in
print_bool (s = s');
print_bool (s != s');
Bytes.set s' 1 'a';
print_bool (s <> s');
[%expect {|
true
true
true
|}]
let%expect_test "dup tuple" =
let x = 1, "a", 2.1 in
let x' = Obj.obj (Obj.dup (Obj.repr x)) in
print_bool (x = x');
print_bool (x != x');
[%expect {|
true
true
|}]
let%expect_test "dup numbers" =
let js =
match Sys.backend_type with
| Other "js_of_ocaml" -> true
| _ -> false
in
let x = 2.1 in
let x' = Obj.obj (Obj.dup (Obj.repr x)) in
print_bool (x = x');
print_bool ((not js) = (x != x'));
[%expect {|
true
true
|}];
let x = 21L in
let x' = Obj.obj (Obj.dup (Obj.repr x)) in
print_bool (x = x');
print_bool (x != x');
[%expect {|
true
true
|}];
let x = 21l in
let x' = Obj.obj (Obj.dup (Obj.repr x)) in
print_bool (x = x');
print_bool ((not js) = (x != x'));
[%expect {|
true
true
|}];
let x = 21n in
let x' = Obj.obj (Obj.dup (Obj.repr x)) in
print_bool (x = x');
print_bool ((not js) = (x != x'));
[%expect {|
true
true
|}]
let%expect_test "sameness" =
(* FIXME: Jsoo returns the wrong opposite result for cases below.
Would be fixed by GH#1410 *)
let f x =
match Sys.backend_type with
| Other "js_of_ocaml" -> not x
| Other _ | Native | Bytecode -> x
in
print_bool (f (nan == nan));
[%expect {| true |}];
print_bool (f (-0. == 0.));
[%expect {| false |}]
|
