#! /bin/sh
# -*-scheme-*-
exec ${MES-bin/mes} --no-auto-compile -L ${0%/*} -L module -C module -e '(tests math)' -s "$0" "$@"
!#

;;; -*-scheme-*-

;;; GNU Mes --- Maxwell Equations of Software
;;; Copyright © 2016,2018,2019,2021 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;;
;;; This file is part of GNU Mes.
;;;
;;; GNU Mes 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 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Mes 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 General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.

(define-module (tests math)
  #:use-module (mes mes-0)
  #:use-module (mes test))

(mes-use-module (mes test))
(pass-if-equal "string->number" 42 (string->number "42"))
(pass-if-equal "string->number neg" -42 (string->number "-42"))
(pass-if-equal "string->number #hex" 170 (string->number "#xaa"))
(pass-if-not "string->number hex" (string->number "aa"))
(pass-if-equal "string->number hex" 170 (string->number "aa" 16))
(pass-if-equal "string->number float" 1 (inexact->exact (string->number "1.0")))

(pass-if-equal "+" 6 (+ 1 2 3))
(pass-if-equal "*" 27 (* 3 3 3))
(pass-if-equal "/" 3 (/ 9 3))
(pass-if-equal "remainder" 2 (remainder 11 3))
(pass-if-equal "modulo" 2 (modulo 11 3))
(pass-if-equal "expt" 8 (expt 2 3))
(pass-if-equal "logand" -1 (logand))
(pass-if-equal "logand 3" 3 (logand 3 7 11))
(pass-if-equal "logior" 7 (logior 0 1 2 4))
(pass-if-equal "logxor" -2 (logxor 1 -1))
(pass-if-equal "ash"
    8 (ash 1 3))
(pass-if-equal "ash -1"
    5 (ash 10 -1))

(pass-if-equal "=" 3 '3)
(pass-if "= 2" (not (= 3 '4)))

(pass-if "=" (=))
(pass-if "= 1" (= 0))
(pass-if "= 2" (= 0 0))
(pass-if "= 3" (= 0 0))
(pass-if-not "= 4" (= 0 1 0))

(pass-if "<" (<))
(pass-if "< 1" (< 0))
(pass-if "< 2" (< 0 1))
(pass-if-not "< 3" (< 1 0))
(pass-if "< 4" (< 0 1 2))
(pass-if-not "< 5" (< 0 2 1))
(pass-if "< INT-MIN" (< -2147483648))
(pass-if "< INT-MIN" (< -2147483648 0))
(pass-if "< INT-MAX" (< 2147483647))

(pass-if ">" (>))
(pass-if "> 1" (> 0))
(pass-if "> 2" (> 1 0))
(pass-if-not "> 3" (> 0 1))
(pass-if "> 4" (> 2 1 0))
(pass-if-not "> 5" (> 1 2 0))
(pass-if "> INT-MAX" (> 2147483647))
(pass-if "> INT-MAX 0" (> 2147483647 0))
(pass-if "> INT-MIN" (> -2147483648))

(pass-if ">=" (>= 3 2 1))
(pass-if-not ">= 2" (>= 1 2 3))

(pass-if-not "<=" (<= 3 2 1))
(pass-if "<= 2" (<= 1 2 3))

(pass-if-equal "max" 0 (max 0))
(pass-if-equal "max 1" 1 (max 0 1))
(pass-if-equal "max 2" 2 (max 1 0 2))

(pass-if-equal "min" 0 (min 0))
(pass-if-equal "min 1" 0 (min 0 1))
(pass-if-equal "min 2" 0 (min 1 0 2))

(pass-if-equal "#x-10" -16 #x-10)

(result 'report)