r4rstest.scm

Scheme跨平台编译器

(test #f char>=? #\A #\B)
(test #f char>=? #\a #\b)
(test #t char>=? #\9 #\0)
(test #t char>=? #\A #\A)

(test #f char-ci=? #\A #\B)
(test #f char-ci=? #\a #\B)
(test #f char-ci=? #\A #\b)
(test #f char-ci=? #\a #\b)
(test #f char-ci=? #\9 #\0)
(test #t char-ci=? #\A #\A)
(test #t char-ci=? #\A #\a)

(test #t char-ci<? #\A #\B)
(test #t char-ci<? #\a #\B)
(test #t char-ci<? #\A #\b)
(test #t char-ci<? #\a #\b)
(test #f char-ci<? #\9 #\0)
(test #f char-ci<? #\A #\A)
(test #f char-ci<? #\A #\a)

(test #f char-ci>? #\A #\B)
(test #f char-ci>? #\a #\B)
(test #f char-ci>? #\A #\b)
(test #f char-ci>? #\a #\b)
(test #t char-ci>? #\9 #\0)
(test #f char-ci>? #\A #\A)
(test #f char-ci>? #\A #\a)

(test #t char-ci<=? #\A #\B)
(test #t char-ci<=? #\a #\B)
(test #t char-ci<=? #\A #\b)
(test #t char-ci<=? #\a #\b)
(test #f char-ci<=? #\9 #\0)
(test #t char-ci<=? #\A #\A)
(test #t char-ci<=? #\A #\a)

(test #f char-ci>=? #\A #\B)
(test #f char-ci>=? #\a #\B)
(test #f char-ci>=? #\A #\b)
(test #f char-ci>=? #\a #\b)
(test #t char-ci>=? #\9 #\0)
(test #t char-ci>=? #\A #\A)
(test #t char-ci>=? #\A #\a)

(test #t char-alphabetic? #\a)
(test #t char-alphabetic? #\A)
(test #t char-alphabetic? #\z)
(test #t char-alphabetic? #\Z)
(test #f char-alphabetic? #\0)
(test #f char-alphabetic? #\9)
(test #f char-alphabetic? #\space)
(test #f char-alphabetic? #\;)

(test #f char-numeric? #\a)
(test #f char-numeric? #\A)
(test #f char-numeric? #\z)
(test #f char-numeric? #\Z)
(test #t char-numeric? #\0)
(test #t char-numeric? #\9)
(test #f char-numeric? #\space)
(test #f char-numeric? #\;)

(test #f char-whitespace? #\a)
(test #f char-whitespace? #\A)
(test #f char-whitespace? #\z)
(test #f char-whitespace? #\Z)
(test #f char-whitespace? #\0)
(test #f char-whitespace? #\9)
(test #t char-whitespace? #\space)
(test #f char-whitespace? #\;)

(test #f char-upper-case? #\0)
(test #f char-upper-case? #\9)
(test #f char-upper-case? #\space)
(test #f char-upper-case? #\;)

(test #f char-lower-case? #\0)
(test #f char-lower-case? #\9)
(test #f char-lower-case? #\space)
(test #f char-lower-case? #\;)

(test #\. integer->char (char->integer #\.))
(test #\A integer->char (char->integer #\A))
(test #\a integer->char (char->integer #\a))
(test #\A char-upcase #\A)
(test #\A char-upcase #\a)
(test #\a char-downcase #\A)
(test #\a char-downcase #\a)
(SECTION 6 7)
(test #t string? "The word \"recursion\\\" has many meanings.")
;(test #t string? "")
(define f (make-string 3 #\*))
(test "?**" 'string-set! (begin (string-set! f 0 #\?) f))
(test "abc" string #\a #\b #\c)
(test "" string)
(test 3 string-length "abc")
(test #\a string-ref "abc" 0)
(test #\c string-ref "abc" 2)
(test 0 string-length "")
(test "" substring "ab" 0 0)
(test "" substring "ab" 1 1)
(test "" substring "ab" 2 2)
(test "a" substring "ab" 0 1)
(test "b" substring "ab" 1 2)
(test "ab" substring "ab" 0 2)
(test "foobar" string-append "foo" "bar")
(test "foo" string-append "foo")
(test "foo" string-append "foo" "")
(test "foo" string-append "" "foo")
(test "" string-append)
(test "" make-string 0)
(test #t string=? "" "")
(test #f string<? "" "")
(test #f string>? "" "")
(test #t string<=? "" "")
(test #t string>=? "" "")
(test #t string-ci=? "" "")
(test #f string-ci<? "" "")
(test #f string-ci>? "" "")
(test #t string-ci<=? "" "")
(test #t string-ci>=? "" "")

(test #f string=? "A" "B")
(test #f string=? "a" "b")
(test #f string=? "9" "0")
(test #t string=? "A" "A")

(test #t string<? "A" "B")
(test #t string<? "a" "b")
(test #f string<? "9" "0")
(test #f string<? "A" "A")

(test #f string>? "A" "B")
(test #f string>? "a" "b")
(test #t string>? "9" "0")
(test #f string>? "A" "A")

(test #t string<=? "A" "B")
(test #t string<=? "a" "b")
(test #f string<=? "9" "0")
(test #t string<=? "A" "A")

(test #f string>=? "A" "B")
(test #f string>=? "a" "b")
(test #t string>=? "9" "0")
(test #t string>=? "A" "A")

(test #f string-ci=? "A" "B")
(test #f string-ci=? "a" "B")
(test #f string-ci=? "A" "b")
(test #f string-ci=? "a" "b")
(test #f string-ci=? "9" "0")
(test #t string-ci=? "A" "A")
(test #t string-ci=? "A" "a")

(test #t string-ci<? "A" "B")
(test #t string-ci<? "a" "B")
(test #t string-ci<? "A" "b")
(test #t string-ci<? "a" "b")
(test #f string-ci<? "9" "0")
(test #f string-ci<? "A" "A")
(test #f string-ci<? "A" "a")

(test #f string-ci>? "A" "B")
(test #f string-ci>? "a" "B")
(test #f string-ci>? "A" "b")
(test #f string-ci>? "a" "b")
(test #t string-ci>? "9" "0")
(test #f string-ci>? "A" "A")
(test #f string-ci>? "A" "a")

(test #t string-ci<=? "A" "B")
(test #t string-ci<=? "a" "B")
(test #t string-ci<=? "A" "b")
(test #t string-ci<=? "a" "b")
(test #f string-ci<=? "9" "0")
(test #t string-ci<=? "A" "A")
(test #t string-ci<=? "A" "a")

(test #f string-ci>=? "A" "B")
(test #f string-ci>=? "a" "B")
(test #f string-ci>=? "A" "b")
(test #f string-ci>=? "a" "b")
(test #t string-ci>=? "9" "0")
(test #t string-ci>=? "A" "A")
(test #t string-ci>=? "A" "a")
(SECTION 6 8)
(test #t vector? '#(0 (2 2 2 2) "Anna"))
;(test #t vector? '#())
(test '#(a b c) vector 'a 'b 'c)
(test '#() vector)
(test 3 vector-length '#(0 (2 2 2 2) "Anna"))
(test 0 vector-length '#())
(test 8 vector-ref '#(1 1 2 3 5 8 13 21) 5)
(test '#(0 ("Sue" "Sue") "Anna") 'vector-set
	(let ((vec (vector 0 '(2 2 2 2) "Anna")))
	  (vector-set! vec 1 '("Sue" "Sue"))
	  vec))
(test '#(hi hi) make-vector 2 'hi)
(test '#() make-vector 0)
(test '#() make-vector 0 'a)
(SECTION 6 9)
(test #t procedure? car)
;(test #f procedure? 'car)
(test #t procedure? (lambda (x) (* x x)))
(test #f procedure? '(lambda (x) (* x x)))
(test #t call-with-current-continuation procedure?)
(test 7 apply + (list 3 4))
(test 7 apply (lambda (a b) (+ a b)) (list 3 4))
(test 17 apply + 10 (list 3 4))
(test '() apply list '())
(define compose (lambda (f g) (lambda args (f (apply g args)))))
(test 30 (compose sqt *) 12 75)

(test '(b e h) map cadr '((a b) (d e) (g h)))
(test '(5 7 9) map + '(1 2 3) '(4 5 6))
(test '(1 2 3) map + '(1 2 3))
(test '(1 2 3) map * '(1 2 3))
(test '(-1 -2 -3) map - '(1 2 3))
(test '#(0 1 4 9 16) 'for-each
      (let ((v (make-vector 5)))
	(for-each (lambda (i) (vector-set! v i (* i i)))
		  '(0 1 2 3 4))
	v))
(test -3 call-with-current-continuation
      (lambda (exit)
	(for-each (lambda (x) (if (negative? x) (exit x)))
		  '(54 0 37 -3 245 19))
	#t))
(define list-length
 (lambda (obj)
  (call-with-current-continuation
   (lambda (return)
    (letrec ((r (lambda (obj) (cond ((null? obj) 0)
				((pair? obj) (+ (r (cdr obj)) 1))
				(else (return #f))))))
	(r obj))))))
(test 4 list-length '(1 2 3 4))
(test #f list-length '(a b . c))
(test '() map cadr '())

;;; This tests full conformance of call-with-current-continuation.  It
;;; is a separate test because some schemes do not support call/cc
;;; other than escape procedures.  I am indebted to
;;; [e-mail] (Raja Sooriamurthi) for fixing this
;;; code.  The function leaf-eq? compares the leaves of 2 arbitrary
;;; trees constructed of conses.
(define (next-leaf-generator obj eot)
  (letrec ((return #f)
	   (cont (lambda (x)
		   (recur obj)
		   (set! cont (lambda (x) (return eot)))
		   (cont #f)))
	   (recur (lambda (obj)
		      (if (pair? obj)
			  (for-each recur obj)
			  (call-with-current-continuation
			   (lambda (c)
			     (set! cont c)
			     (return obj)))))))
    (lambda () (call-with-current-continuation
		(lambda (ret) (set! return ret) (cont #f))))))
(define (leaf-eq? x y)
  (let* ((eot (list 'eot))
	 (xf (next-leaf-generator x eot))
	 (yf (next-leaf-generator y eot)))
    (letrec ((loop (lambda (x y)
		     (cond ((not (eq? x y)) #f)
			   ((eq? eot x) #t)
			   (else (loop (xf) (yf)))))))
      (loop (xf) (yf)))))
(define (test-cont)
  (newline)
  (display ";testing continuations; ")
  (newline)
  (SECTION 6 9)
  (test #t leaf-eq? '(a (b (c))) '((a) b c))
  (test #f leaf-eq? '(a (b (c))) '((a) b c d))
  (report-errs))

;;; Test Optional R4RS DELAY syntax and FORCE procedure
(define (test-delay)
  (newline)
  (display ";testing DELAY and FORCE; ")
  (newline)
  (SECTION 6 9)
  (test 3 'delay (force (delay (+ 1 2))))
  (test '(3 3) 'delay (let ((p (delay (+ 1 2))))
			(list (force p) (force p))))
  (test 2 'delay (letrec ((a-stream
			   (letrec ((next (lambda (n)
					    (cons n (delay (next (+ n 1)))))))
			     (next 0)))
			  (head car)
			  (tail (lambda (stream) (force (cdr stream)))))
		   (head (tail (tail a-stream)))))
  (letrec ((count 0)
	   (p (delay (begin (set! count (+ count 1))
			    (if (> count x)
				count
				(force p)))))
	   (x 5))
    (test 6 force p)
    (set! x 10)
    (test 6 force p))
  (test 3 'force
	(letrec ((p (delay (if c 3 (begin (set! c #t) (+ (force p) 1)))))
		 (c #f))
	  (force p)))
  (report-errs))

(SECTION 6 10 1)
(test #t input-port? (current-input-port))
(test #t output-port? (current-output-port))
(test #t call-with-input-file "r4rstest.scm" input-port?)
(define this-file (open-input-file "r4rstest.scm"))
(test #t input-port? this-file)
(SECTION 6 10 2)
(test #\; peek-char this-file)
(test #\; read-char this-file)
(test '(define cur-section '()) read this-file)
(test #\( peek-char this-file)
(test '(define errs '()) read this-file)
(close-input-port this-file)
(close-input-port this-file)
(define (check-test-file name)
  (define test-file (open-input-file name))
  (test #t 'input-port?
	(call-with-input-file
	    name
	  (lambda (test-file)
	    (test load-test-obj read test-file)
	    (test #t eof-object? (peek-char test-file))
	    (test #t eof-object? (read-char test-file))
	    (input-port? test-file))))
  (test #\; read-char test-file)
  (test #\; read-char test-file)
  (test #\; read-char test-file)
  (test write-test-obj read test-file)
  (test load-test-obj read test-file)
  (close-input-port test-file))
(SECTION 6 10 3)
(define write-test-obj
  '(#t #f a () 9739 -3 . #((test) "te \" \" st" "" test #() b c)))
(define load-test-obj
  (list 'define 'foo (list 'quote write-test-obj)))
(test #t call-with-output-file
      "tmp1"
      (lambda (test-file)
	(write-char #\; test-file)
	(display #\; test-file)
	(display ";" test-file)
	(write write-test-obj test-file)
	(newline test-file)
	(write load-test-obj test-file)
	(output-port? test-file)))
(check-test-file "tmp1")

(define test-file (open-output-file "tmp2"))
(write-char #\; test-file)
(display #\; test-file)
(display ";" test-file)
(write write-test-obj test-file)
(newline test-file)
(write load-test-obj test-file)
(test #t output-port? test-file)
(close-output-port test-file)
(check-test-file "tmp2")
(define (test-sc4)
  (newline)
  (display ";testing scheme 4 functions; ")
  (newline)
  (SECTION 6 7)
  (test '(#\P #\space #\l) string->list "P l")
  (test '() string->list "")
  (test "1\\\"" list->string '(#\1 #\\ #\"))
  (test "" list->string '())
  (SECTION 6 8)
  (test '(dah dah didah) vector->list '#(dah dah didah))
  (test '() vector->list '#())
  (test '#(dididit dah) list->vector '(dididit dah))
  (test '#() list->vector '())
  (SECTION 6 10 4)
  (load "tmp1")
  (test write-test-obj 'load foo)
  (report-errs))

(report-errs)
(let ((have-inexacts?
       (and (string->number "0.0") (inexact? (string->number "0.0"))))
      (have-bignums?
       (let ((n (string->number "281474976710655325431")))
	 (and n (exact? n)))))
  (cond (have-inexacts?
	 (test-inexact)
	 (test-inexact-printing)))
  (if have-bignums? (test-bignum))
  (if (and have-inexacts? have-bignums?)
      (test-numeric-predicates)))

(newline)
(display "To fully test continuations, Scheme 4, and DELAY/FORCE do:")
(newline)
(display "(test-cont) (test-sc4) (test-delay)")
(newline)
(test-cont)
(test-sc4)
(test-delay)
"last item in file"