source: branches/f4grobner/5am-symbolic-poly.lisp@ 4130

;;; -*-  Mode: Lisp -*- 
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;;;  Copyright (C) 1999, 2002, 2009, 2015 Marek Rychlik <rychlik@u.arizona.edu>          
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;;;  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.                                         
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;;;  This program is distributed in the hope that it will be useful,             
;;;  but WITHOUT ANY WARRANTY; without even the implied warranty of              
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;;;  GNU General Public License for more details.                                
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;;;  You should have received a copy of the GNU General Public License           
;;;  along with this program; if not, write to the Free Software                 
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;;
;; Run tests using 5am unit testing framework
;;
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;; We assume that QuickLisp package manager is installed.
;; See :
;;      https://www.quicklisp.org/beta/
;;

;; The following is unnecessary after running:
;; * (ql:add-to-init-file)
;; at lisp prompt:
;;(load "~/quicklisp/setup")

(ql:quickload :fiveam)

;; Unless NGROBNER system loaded by ASDF,
;; load the dependencies directly
#-ngrobner
(progn
  (require :utils "utils")
  (require :copy "copy")
  (require :monom "monom")
  (require :polynomial "polynomial")
  (require :infix "infix")
  (require :symbolic-polynomial "symbolic-polynomial"))

(defpackage #:5am-symbolic-poly
  (:use :cl :it.bese.fiveam :monom :polynomial :infix :symbolic-polynomial))

(in-package :5am-symbolic-poly)

(def-suite symbolic-poly-suite 
    :description "Symbolic polynomial package suite")

(in-suite symbolic-poly-suite)

(test read-infix-form
  "Infix form reader"
  (is (equalp (with-input-from-string (s "X^2-Y^2+(-4/3)*U^2*W^3-5") (read-infix-form :stream s))
              '(+ (- (EXPT X 2) (EXPT Y 2)) (* (- (/ 4 3)) (EXPT U 2) (EXPT W 3)) (- 5))))
  (is (equalp (poly->string (string->poly "1" '(x y u w))) "1"))
  (is (equalp (->sexp (string->poly "X^2-Y^2+(-4/3)*U^2*W^3-5" '(x y u w)))
              '(+ (EXPT X 2) (* -1 (EXPT Y 2)) (* -4/3 (EXPT U 2) (EXPT W 3)) -5))))


(def-fixture sym-poly-context ()
  (let ((p (make-instance 'poly))
        (p-symbolic (make-instance 'symbolic-poly :vars '(x))))
    (dolist (x '( ((2) . 22)  ((4) . 44) ((5) . 55) ((8) . 88) ((9) . 99) ))
      (poly-insert-term p (make-instance 'term :exponents (car x) :coeff (cdr x)))
      (poly-insert-term p-symbolic (make-instance 'term :exponents (car x) :coeff (cdr x))))
    (&body)))

(test sym-poly
  "Symbolic polynomial"
  (with-fixture sym-poly-context ()
    (is (universal-equalp (change-class p 'symbolic-poly :vars '(x)) p-symbolic )))
  (with-fixture sym-poly-context ()
    (signals
        (error "Number of variables does not equal dimension.")
      (universal-equalp (change-class p 'symbolic-poly :vars '(x y)) p-symbolic ))))


(run! 'symbolic-poly-suite)
(format t "All tests done!~%")