cs-test.rkt

#lang racket
;;  Copyright (C) 2017  Zaoqi

;;  This program is free software: you can redistribute it and/or modify
;;  it under the terms of the GNU Affero General Public License as published
;;  by the Free Software Foundation, either version 3 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 Affero General Public License for more details.

;;  You should have received a copy of the GNU Affero General Public License
;;  along with this program.  If not, see <http://www.gnu.org/licenses/>.
(require rackunit)
(require "cs.rkt")
(define-syntax-rule (test [c r] ...)
  (begin
    (check-equal? (run-sexp (quote c)) (quote r)) ...))
(define-syntax-rule (load/test [f ...] [c r] ...)
  (check-equal?
   (run-xs (map sexp-> (append (include/quote/list f) ...
                      (list (quote (list c ...))))))
   (list (sexp-> (quote r)) ...)))
(test
 [`(list ,(+ 1 2) 4) (list 3 4)]
 [(let ((name 'a)) `(list ,name ',name)) (list a (quote a))]
 [`(a ,(+ 1 2) ,@(map abs '(4 -5 6)) b) (a 3 4 5 6 b)]
 [`(( foo ,(- 10 3)) ,@(cdr '(c)) . ,(car '(cons))) ((foo 7) . cons)]
 [(let ((foo '(foo bar)) (@baz 'baz))
    `(list ,@foo , @baz)) (list foo bar baz)]
 [`(a `(b ,(+ 1 2) ,(foo ,(+ 1 3) d) e) f) (a `(b ,(+ 1 2) ,(foo 4 d) e) f)]
 [(let ((name1 'x)
        (name2 'y))
    `(a `(b ,,name1 ,',name2 d) e)) (a `(b ,x ,'y d) e)]
 )
(test
 [(add-between '(x y z) 'and) (x and y and z)]
 [(add-between '(x) 'and) (x)])
(test
 [(begin
    (define-record-type <pare>
      (kons x y)
      pare?
      (x kar set-kar!)
      (y kdr))
    (list (pare? (kons 1 2))
          (pare? (cons 1 2))
          (kar (kons 1 2))
          (kdr (kons 1 2))
          (let ((k (kons 1 2)))
            (set-kar! k 3)
            (kar k)))) (#t #f 1 2 3)])
(test
 [(begin
    (define d (delay 0))
    (list (force d) (promise-forced? d))) (0 #t)])
(test
 [(begin
    (struct cell ([content #:mutable]))
    (define a-cell (cell 0))
    (let ([x (cell-content a-cell)])
      (set-cell-content! a-cell 1)
      (list
       x
       (cell-content a-cell)
       (cell? a-cell)))) (0 1 #t)])
(load/test
 ["macroexpand.cscm"]
 [(macroexpand '(begin
                  (defmacro (k a)
                    `(+ ,a ,a))
                  (k 0)))
  (letrec ((first car)
           (second (λ (x) (car (cdr x))))
           (third (λ (x) (car (cdr (cdr x)))))
           (fourth (λ (x) (car (cdr (cdr (cdr x))))))
           (add-between
            (λ (xs v)
              (cond
                ((null? xs) '())
                ((null? (cdr xs)) xs)
                (else (cons (car xs) (cons v (add-between (cdr xs) v)))))))
           (zero? (λ (x) (eq? x 0)))
           (abs (λ (x) (if (< x 0) (- 0 x) x)))
           (not (λ (x) (if x #f #t)))
           (force
            (λ (x)
              ((λ (r)
                 (if (pair? r)
                     (car r)
                     (car (atom-map! (λ (v) (list (r))) (%force x)))))
               (atom-get/set!
                (%force x)
                (λ (v)
                  (cond
                    ((pair? v) (cons v v))
                    ((not v) (error '|force: halted| x))
                    (else (cons v #f))))))))
           (promise-running? (λ (x) (not (atom-get (%force x)))))
           (promise-forced? (λ (x) (pair? (atom-get (%force x)))))
           (error (λ (x) (raise (ERROR x))))
           (++
            (λ xs
              (cond
                ((null? xs) '||)
                ((list? (car xs)) (apply ++ (append (car xs) (cdr xs))))
                (else (string-append (car xs) (apply ++ (cdr xs)))))))
           (symbol? string?)
           (partition
            (λ (f xs)
              (if (null? xs)
                  (cons '() '())
                  ((λ (r)
                     (if (f (car xs))
                         (cons (cons (car xs) (car r)) (cdr r))
                         (cons (car r) (cons (car xs) (cdr r)))))
                   (partition f (cdr xs))))))
           (filter
            (λ (f xs)
              (if (null? xs)
                  '()
                  (if (f (car xs))
                      (cons (car xs) (filter f (cdr xs)))
                      (filter f (cdr xs))))))
           (foldl
            (λ (f x xs) (if (null? xs) x (foldl f (f (car xs) x) (cdr xs))))))
    (define-record-type promise (%delay x) promise? (x %force))
    (define-record-type ERROR (ERROR x) ERROR? (x ERROR-x))
    (+ 0 0))]
 )
(load/test
 ["js.cscm"]
 [(js '(struct a (b c)))
  |var aT=function(){};var a=function(x){return x instanceof aT;};var b=function(c){var v_=new aT();v_.c=c;return v_;};|]
 )