ocaml/testsuite/tests/lib-num/test_io.ml

77 lines
2.2 KiB
OCaml

(***********************************************************************)
(* *)
(* OCaml *)
(* *)
(* Valerie Menissier-Morain, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
open Test
open Nat
open Big_int
open Num
let intern_extern obj =
let f = Filename.temp_file "testnum" ".data" in
let oc = open_out_bin f in
output_value oc obj;
close_out oc;
let ic = open_in_bin f in
let res = input_value ic in
close_in ic;
Sys.remove f;
res
;;
testing_function "output_value/input_value on nats";;
let equal_nat n1 n2 =
eq_nat n1 0 (length_nat n1) n2 0 (length_nat n2)
;;
List.iter
(fun (i, s) ->
let n = nat_of_string s in
ignore(test i equal_nat (n, intern_extern n)))
[1, "0";
2, "1234";
3, "8589934592";
4, "340282366920938463463374607431768211455";
5, String.make 100 '3';
6, String.make 1000 '9';
7, String.make 20000 '8']
;;
testing_function "output_value/input_value on big ints";;
List.iter
(fun (i, s) ->
let b = big_int_of_string s in
ignore(test i eq_big_int (b, intern_extern b)))
[1, "0";
2, "1234";
3, "-1234";
4, "1040259735709286400";
5, "-" ^ String.make 20000 '7']
;;
testing_function "output_value/input_value on nums";;
List.iter
(fun (i, s) ->
let n = num_of_string s in
ignore(test i eq_num (n, intern_extern n)))
[1, "0";
2, "1234";
3, "-1234";
4, "159873568791325097646845892426782";
5, "1/4";
6, "-15/2";
7, "159873568791325097646845892426782/24098772507410987265987";
8, String.make 10000 '3' ^ "/" ^ String.make 5000 '7']
;;