#!/usr/bin/newlisp
(set 'start-of-qa (time-of-day))
;;
;; General test suite testing functioning of all built in primitives.
;;
;; use from inside the newlisp-x.x.x/ directory
;;
;;   ./newlisp qa-dot
;;
;;   or for countries and configurations with decimal 
;;
;;   ./newlisp qa-comma (for countries and configurations with decimal , )
;;

(context 'Lex)  ; predeclare/create context for bayes-train
(context MAIN)

(define (utf8qa)
(set-locale "en_US")

(set 'unicodelist '(913 914 915 916 937 945 946 947 948 969 32 
                 1040 1041 1042 1043 1044 1072 1073 1074 1075 1076 13 10))

(set 'utf8str (join (map char unicodelist)))


(if (not (= (length (char 937)) 2)) (QA:failed "UTF-8 char: failed"))

(if (not (and
    (= (map char (explode (chop utf8str))) (chop unicodelist)) 
    (= (map char (explode (chop utf8str 3))) (chop unicodelist 3))
    (= (map char (explode (chop utf8str 5))) (chop unicodelist 5)))) (QA:failed "UTF-8 chop: failed"))

(if (not (= (map char (explode utf8str)) unicodelist)) (QA:failed "UTF-8 explode: failed"))

(if (not (= (map char (explode (upper-case utf8str))) 
    '(913 914 915 916 937 913 914 915 916 937 32 1040 1041 1042 1043 1044 1040 1041 1042 1043 1044 13 10)))
    (QA:failed "UTF-8 upper-case: failed"))

(if (not (= (map char (explode (lower-case utf8str))) 
    '(945 946 947 948 969 945 946 947 948 969 32 1072 1073 1074 1075 1076 1072 1073 1074 1075 1076 13 10)))
    (QA:failed "UTF-8 lower-case: failed"))

(if (not (= (map char (explode (first utf8str))) '(913))) (QA:failed "UTF-8 first: failed"))

(if (not (= (map char (explode (last utf8str))) '(10))) (QA:failed "UTF-8 last: failed"))

(if (not (= (map char (explode (rest utf8str))) 
    '(914 915 916 937 945 946 947 948 969 32 1040 1041 1042 1043 1044 1072 1073 1074 1075 1076 13 10)))
    (QA:failed "UTF-8 rest: failed"))

(if (not (= (map char (explode (first (rest utf8str)))) '(914))) (QA:failed "UTF-8 first, rest: failed"))

(if (not 
  (and (= (map char (explode (select utf8str 1 2 3))) '(914 915 916))
       (= (map char (explode (select utf8str -1 -2 -3))) '(10 13 1076))
       (= (map char (explode (select utf8str 2 4 6))) '(915 937 946))))
  (QA:failed "UTF-8 select: failed"))


(if (not (= (map char (explode (select utf8str '(1 2 3)))) '(914 915 916))) (QA:failed "UTF-8 select: failed"))

(if (not (and
    (= (map char (explode (nth 1 utf8str))) '(914))
    (= (map char (explode (nth -5 utf8str))) '(1074))))
 (QA:failed "UTF-8 nth: failed"))

(if (not (= (map char (explode (nth-set 2 utf8str (char 937)))) '(915))) (QA:failed "UTF-8 nth-set: failed"))

(if (not (= (map char (explode (set-nth 2 utf8str (char 937)))) 
    '(913 914 937 916 937 945 946 947 948 969 32 1040 1041 1042 1043 1044 1072 1073 1074 1075 1076 13 10)))
    (QA:failed "UTF-8 set-nth: failed"))

true
)

(global 'global-myvar)
(set 'global-myvar 123)

; testing the default functor
		
(define (double:double x) (+ x x))

(define (test-default-functor)
	(and
		(= (map double '(1 2 3 4 5)) '(2 4 6 8 10))
		(= (map 'double '(1 2 3 4 5)) '(2 4 6 8 10))
		(set 'dflt:dflt '(a b c d e f g))
		(= (map dflt '(1 2 6)) '(b c g))
		(set 'i 0 'j -1 'k 6)
		(= (dflt i) 'a)
		(= (dflt k) 'g)
		(= (dflt j) 'g)
		(set 'ctx dflt)
		(= (default ctx) 'dflt:dflt)
		(= (default dflt) 'dflt:dflt)
		(sort (eval (default ctx)) >)
		(= dflt:dflt '(g f e d c b a))
))
		 

(context 'QA)

;; get operating system
(set 'opsys (& (last (sys-info)) 0xf))

(define (cleanup)
  (delete-file "junk")
  (delete-file "junk2"))

(set 'failed-messages '())

(define (check-case x)
  (case x 
   (1 "one") 
   (2 "two") 
   (3 "three")))

(define (check-cond x)
  (cond 
   ((= x 1) 1) 
   ((= x 2) 2) 
   ((= x 3) 3)))

(define (checkqa )
  (dolist (p (symbols 'MAIN)) 
   (if (primitive? (eval p)) 
    (begin 
     (set 'sm (sym (append "test-" (string p)))) 
     (if (not (lambda? (eval sm))) 
      (print sm "\n"))))))

(define-macro (do-args p)
  (= (args) '(2 "3 4" 5 (x y)))
  (= (args 3 -1) 'y))	

(define (failed msg)
;  (println msg)
  (push msg failed-messages))

(define (file-copy from-file to-file)
  (set 'in-file (open from-file "read"))
  (set 'out-file (open to-file "write"))
  (while (set 'chr (read-char in-file)) 
   (if (not (= chr 95)) 
    (write-char out-file chr)))
  (close in-file)
  (close out-file))

(define (line-count file)
  (device (open file "read"))
  (set 'cnt 0)
  (while (read-line) 
   (inc 'cnt))
  (close (device))cnt)

(define (myappend x y)
  (cond 
   ((= '() x) y) 
   (true (cons (first x) (myappend (rest x) y)))))

(define (qa )
  (dolist (sm (symbols 'MAIN)) 
   (if (not 
     (if (and (primitive? (eval sm)) (< sm 'zzzz)) 
       (begin 
          (print (name sm) " ")
          (set 'func (eval (sym (append "test-" (string sm)))) )
          (and (catch (apply func) 'result)  result))
       true)) 
     (failed (string ">>>> " sm " failed " result) )))
  (println))

(define (test-$) (find "a|b" "xtzabc" 0) (= ($ 0) $0))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; test-functions ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(define (test-!)
  (integer? (! "")))

(define (test-!= )
  (and (not (!= -9223372036854775808 (& -9223372036854775808 -1))) (!= "abc" "ABC") 
   (!= "a" "ä") 
   (!= 1.000000001 1) 
   (!= "á" "a")))

(define (test-$)
	(set '$0 123)
	(= ($ 0) 123))

(define (test-% )
  (and
    (= (% 10 3) 1)
    (not (catch (%) 'result))))

(define (test-& )
  (= -9223372036854775808 (& -9223372036854775808 -1)))

(define (test-* )
  (= (* (* 123456789 123456789)) 15241578750190521))

(define (test-+ )
  (= (+ 999999999999999999 1) 1000000000000000000)
  (= (+ 9223372036854775807 -9223372036854775808) -1)
  (= (+ -9223372036854775808 -1) 9223372036854775807)) ; wraps around

(define (test-- )
  (= (- 100000000 1) 99999999))

(define (test-/ )
  (= (/ 15241578750190521 123456789) 123456789)
  (= (/ -10 5) -2))

(define (test-< )
  (and 
   (< -9223372036854775808 9223372036854775807)
   (< "abcdefg" "abcdefgh")
   (< 1 1.000000001) 
   (< 1 "a") 
   (< "a" 'a)
   (< '(a b) '(b c) '(c d))
   (not (< '(a b) '(b d) '(b c)))
   (< '(((a b))) '(((b c))))
   (< '(a (b c)) '(a (b d)) '(a (b (d))))
   (< -1)
   (< -1.23)
   (not (< "1"))
   (not (< '()))
))

(define (test-<< )
  (= (<< 1 63) -9223372036854775808))

(define (test-<= )
  (and (<= -9223372036854775808 -9223372036854775808) (<= 1 1.00000001)))

(define (test-= )
  (and 
    (= 1.23456789 1.23456789) 
    (= 123456789 123456789) 
    (= '(1 2 3 (4 5) (a b ("CDEFG" "HIJK") 'u 'v 'w)) 
    '(1 2 3 (4 5) (a b ("CDEFG" "HIJK") 'u 'v 'w))) 
    (= "éâäáíóúñÑöò" "éâäáíóúñÑöò")
    (= '())
    (= 0)
    (= "")
    (not (= 1))
    (not (= "abc"))
    (not (= '(1 2 3)))
))

(define (test-> )
  (and (> 9223372036854775807 -9223372036854775808) (> "abcdefgh" "abcdefg") (> 1.000000001 
    1) 
   (> "a" 1) 
   (> "z" "aaaaa")
   (> "aaa" "a")
   (> 'a "a") 
   (> '(a) 'a)
   (> 1)
   (> 1.23)
   (> "abc")
   (> '(1 2 3))
   (not (> ""))
   (not (> '()))   
))

(define (test->= )
  (and (>= 1 0) (>= 1.00000001 1)))

(define (test->> )
  (= (>> 1073741824 30) 1))

(define (test-NaN? )
  (and (NaN? (sqrt -1))
       (set 'NaN (sqrt -1)) 
       (= 1 (+ 1 NaN)) 
       (= 0 (* 2 NaN)) 
       (NaN? (add 1 (sqrt -1))) 
       (NaN? (abs (sqrt -1)))))

(define (test-^ )
  (= (^ 1431655765 -1431655766) -1))

(define (test-abs )
  (and (= (abs -1) 1) (= (abs -9.9) 9.9)))

(define (test-acos )
  (= 0 (acos (cos (acos (cos 0))))))

(define (test-acosh)
	(= (cosh (acosh 1)) 1))

(define (test-add , l)
  (dotimes (x 100) 
   (push x l))
  (= 4950 (apply add l)))

(define (test-address, s)
	(set 's "foo")
	(= (address s) (last (dump s))))

(define (test-amb)
	(set 'x (amb 1 2))
	(or (= x 1) (= x 2)))

(define (test-and )
  (and (and true true true) (not (and true true nil))))

(define (test-append )
  (and
    (= '(1 2 3 4) (append '(1 2) '(3 4)))
    (= '(1 2 3 4 5) (append '(1 2) '(3) '(4 5)))
    (= '(1 2 3 4) (append '(1 2) '(3 4) '()))
    (= '(1 2 3 4 5) (append '(1 2) '(3 4) '() '(5)))
    (= '(1 2 3 4 5) (append '() '(1 2) '(3 4) '() '(5)))
    (= '() (append '()) (append '() '()) (append))
    (= "abcdefg" (append "" "a" "bcd" "" "ef" "g" ""))
    (= "" (append ""))
    (set 'A (array 3 2 (sequence 1 6)))
    (set 'B (array 2 2 (sequence 7 10)))
    (= (array 5 2 (sequence 1 10)) (append A B))
    (lambda? (append '(lambda)))
))

(define (test-append-file)
  (append-file "junk" "ABC")
  (append-file "junk" "DEF")
  (= (read-file "junk") "ABCDEF")
)

(define (test-apply )
  (and (= (apply + '(1 2)) 3) 
       (= (apply append '("a" "b" "c")) "abc")
       (= (apply (fn (x y) (+ x y)) '(3 4)) 7)
))

(define (test-args )
  (do-args 1 2 "3 4" 5 (x y)))

(define (test-array) 
  (and
    (= (array-list (array 3 2 (sequence 1 6))) '((1 2) (3 4) (5 6)))
    (set 'A (array 3 2 (sequence 1 6)))
    (= (array-list (nth 0 A)) '(1 2))
    (= (nth 0 0 A) 1)
    (= (nth 2 1 A) 6)
    (= (nth -1 -1 A) 6)
    (not (catch (nth 10 10 A)  'result))
    (not (catch (nth -10 -10 A) 'result))
    (= (nth 0 A) (array 2 '(1 2)))
    (= (array-list (nth 0 A)) '(1 2))
    (< (nth 0 A) (nth 1 A))
    (> (nth 2 A) (nth 1 A))
    (set-nth 1 0 A 1)
    (= (nth 1 0 A) 1)
    (= (nth-set 1 1 A 1) 4)
    (< (nth 1 A) (nth 0 A))
))

(define (test-array-list)
	(set 'a (array 3 4 (sequence 1 12)))
	(and (array? a) (list? (array-list a))))

(define (test-array?) (test-array-list))

(define (test-asin )
  (= (round (asin (sin (asin (sin 1)))) -9) 1))

(define (test-asinh)
  (= (sinh (asinh 1)) 1))

(define (test-assoc )
  (= (assoc 'b '((a 1) (b 2))) '(b 2)))

(define (test-atan )
  (= 1 (atan (tan (atan (tan 1))))))

(define (test-atanh)
	(< (sub (tanh (atanh 0.5)) 0.5) 0.0000000001))

(define (test-atan2 )
  (= (div (acos 0) (atan 1 1)) 2))

(define (test-atom? )
  (and (atom? 1) (atom? 1.23) (atom? "hello") (atom? 'x) (atom? nil) (atom? true)))

(define (test-base64-enc)
  (and
    (= "" (base64-dec (base64-enc "")))
    (= "1" (base64-dec (base64-enc "1")))
    (= "12" (base64-dec (base64-enc "12")))
    (= "123" (base64-dec (base64-enc "123")))
    (= "1234" (base64-dec (base64-enc "1234")))
))

(define (test-base64-dec)
  (test-base64-enc))

;; context Lex was previously created

(define (test-bayes-train)
  (and
    (= (bayes-train '(F F F B B) '(F B B B B) 'Lex) '(5 5))
    (> 0.001 (apply add (map sub (bayes-query '(F) Lex) '(0.75 0.25))))
    (> 0.001 (apply add (map sub (bayes-query '(F) Lex true) '(0.75 0.25))))
    (> 0.001 (apply add (map sub (bayes-query '(F F) Lex) '(0.8251777681 0.1748222319))))
    (> 0.001 (apply add (map sub (bayes-query '(F F) Lex true) '(0.9 0.1))))
  )
)

(define (test-bayes-query) 
	(set 'Lex:F '(0 0))
	(set 'Lex:B '(0 0))
	(set 'Lex:total '(0 0))
	true)

(define (test-begin )
  (begin 
   (set 'x 0) 
   (inc 'x) 
   (inc 'x) 
   (= x 2)))

(define (test-beta )
  (< (abs (sub (beta 1 2) 0.5)) 1e-05))

(define (test-betai )
  (< (abs (sub (betai 0.5 5 10) 0.910217)) 1e-05))

(define (test-bind)
	(bind '((a 1) (b "hello") (c (3 4))))
	(and
		(= a 1)
		(= b "hello")
		(= c '(3 4)))
)

(define (test-binomial )
  (< (sub (binomial 2 1 0.5) 0.5) 1e-09))

(define (test-break )
  (break true)
  (= true (break))
  (not (break nil)))

(define (test-case )
  (and (= (check-case 1) "one") (= (check-case 2) "two") (= (check-case 
     9) nil)))

(define (test-callback) true)

(define (test-catch )
  (and 
	(catch (+ 3 4) 'result) 
        (= result 7)
	(= (catch (+ 3 4)) 7)
        (= (catch (dotimes (x 100) (if (= x 7) (throw x)))) 7)
))

(define (test-ceil )
  (= 2 (ceil 1.5)))

(define (test-change-dir )
  (make-dir "adir")
  (change-dir "adir")
  (change-dir "..")
  (remove-dir "adir"))

(define (test-char )
  (and 
    (= (format "%c" (char "a" 0)) "a") 
    (= (char "A") 65) (= (char 65) "A")
    (= (map char (sequence 65 67)) '("A" "B" "C"))
    (= (char 0) "\000")))

(define (test-chop )
  (and 
    (= (chop "newlisp") "newlis") 
    (= (chop "newlisp" 4) "new"))
	(= (chop "abc" 5) "")
	(= (chop "abc" -5) "")
    (= (chop '(a b (c d) e)) '(a b (c d)))
    (= (chop '(a b (c d) e) 2) '(a b)))

(define (test-clean ) 
  (and
    (= (clean integer? '(1 1.1 2 2.2 3 3.3)) '(1.1 2.2 3.3))
    (= (clean true? '(a nil b nil c nil)) '(nil nil nil))))

(define (test-close , fno)
  (and 
    (set 'fno (open "qa-dot" "read")) 
    (close fno)))

(define (test-crc32)
    (= (crc32 "abcdefghijklmnopqrstuvwxyz") 1277644989))

(define (test-select-collect )
  (and
    (set 'l '(0 1 2 3 4 5 6 7 8 9))
    (= (select l '()) '())
    (= (select l 0 9 9 0 1 8 8 1) '(0 9 9 0 1 8 8 1)) 
    (= (select "2001-09-20" 5 6 8 9 0 1 2 3) "09202001") 
    (set 'a 0 'b 1 'c 2)
    (= (select '(w x y z) a b c) '(w x y))
    (= (select '(w x y z) (inc 'a) (inc 'b) (inc 'c)) '(x y z))
))

(define (test-command-line )
  (and (not (command-line nil)) (command-line true)))

(define (test-cond )
  (and 
      (= (check-cond 1) 1)
      (= (check-cond 2) 2)
      (not (check-cond 99)) 
      (= (cond ((+ 3 4))) 7)
      (= (cond (nil 1) ('())) '())
      (= (cond (nil 1) (nil)) nil)
      (= (cond (nil 1) (true nil)) nil)
      (= (cond ('())) '())
      (= (cond (nil 1) ('() 2)) '())
))

(define (test-cons )
  (= (myappend '(1 2 3) '(4 5 6)) '(1 2 3 4 5 6))
  (= (cons 'c '(a b) -1) '(a b c))
)

(define (test-constant )
  (constant 'cs 123)
  (= cs 123)
  (define (trick z) (constant 'z 999))
  (= (trick) 999)
  (= (set 'z 123) 123)
  (= (trick) 999)
  (= z 123))


(define (test-context )
  (and (context 'TEST) (context 'QA)))

(define (test-context? )
  (and (context? MAIN) (context? QA)))

(define (test-copy-file ) 
  (and (copy-file "qa-dot" "junk") (delete-file "junk")))

(define (test-cos )
  (= 1 (cos (acos (cos (acos 1))))))

(define (test-cosh)
	(= (cosh 1) (div (add (exp 1) (exp -1)) 2)))

(define (test-count )
  (and (= (count '(1 2) '(2 1 2 1)) '(2 2)) 
       (= (count '(a b) '(a a b c a b b)) '(3 3))
       (= (count '(a b c) '()) '(0 0 0))
       (set 'L '(a b c d e f))
       (= (count L L) '(1 1 1 1 1 1))
  )
)

(define (test-cpymem)  
  (set 'from "12345")
  (set 'to "     ")
  (cpymem (address from) (address to) 5)
  (= from to))

(define (test-crit-chi2 )
  (< (abs (sub (crit-chi2 0.559506 10) 9.999991)) 1e-05))

(define (test-crit-z )
  (< (abs (sub (crit-z 0.999) 3.090232)) 1e-05))

(define (test-current-line , handle)
  (and
    (set 'handle (open "qa-dot" "r"))
    (= (read-line handle) "#!/usr/bin/newlisp") 
    (= (current-line) "#!/usr/bin/newlisp") 
    (close handle)))

(define (test-curry)
  (and
    (= (set 'f (curry + 10)) (lambda (_x) (+ 10 _x)))
    (= (filter (curry match '(a *)) '((a 10) (b 5) (a 3) (c 8) (a 9)))
       '((a 10) (a 3) (a 9)))
    (= (clean (curry match '(a *)) '((a 10) (b 5) (a 3) (c 8) (a 9)))
       '((b 5) (c 8)))
    (= (map (curry list 'x) (sequence 1 5))
       '((x 1) (x 2) (x 3) (x 4) (x 5)))
))

(define (test-date )
  (= (date) (date (date-value)) (date (apply date-value (now)))))

(define (test-date-value )
  (= 0 (date-value 1970 1 1 0 0 0)))

(define (test-debug )
  (= (debug (+ 3 4)) 7))

(define (test-dec , x)
  (set 'x 20)
  (and (= 19 (dec 'x)) (= 17 (dec 'x 2)) (= 16.5 (dec 'x 0.5))))

(define (test-define , foo)
  (and 
	(lambda? (define (foo (x 1) (y 2)) (list x y)))
    (= (foo) '(1 2))
	(= (foo 3) '(3 2))
	(= (foo 3 4) '(3 4))
	(define (foo (x 10) (y (div x 2))) (list x y))
	(= (foo) '(10 5))
	(= (foo 20) '(20 10))
	(= (foo 3 4) '(3 4))
))

(define (test-def-new)
  (and
    (set 'fooctx:x 123)
    (new fooctx)
    (= fooctx:x 123)
    (set 'barctx:bar 999)
    (def-new 'barctx:bar)
    (= bar 999)
    (def-new 'barctx:bar 'foobar)
    (= foobar 999)
    (def-new 'barctx:bar 'foofoo:foo)
    (= foofoo:foo 999)
))


(define (test-define-macro , foo)
  (and 
	(macro? (define-macro (foo (x 1) (y 2)) (list x y)))
    (= (foo) '(1 2))
	(= (foo 3) '(3 2))
	(= (foo 3 4) '(3 4))
	(define-macro (foo (x 10) (y (div x 2))) (list x y))
	(= (foo) '(10 5))
	(= (foo 20) '(20 10))
	(= (foo 3 4) '(3 4))
))

(define (test-default)
	(MAIN:test-default-functor))

(define (test-delete )
  (delete 'xxx))

(define (test-delete-file ) 
  (and (copy-file "qa-dot" "junk") (delete-file "junk")))

(define (test-delete-url )
  (= "ERR: bad formed URL" (delete-url "")))

(define (test-det) 
  (set 'A '((-1 1 1) (1 4 -5) (1 -2 0)))
  (<  (sub (det A) -1) 2e-10))

(define (test-device , fno)
  (set 'fno (open "junk" "write"))
  (device fno)
  (if (= (device) fno) 
   (close (device))))

(define (test-difference )
  (and
    (= (difference '(2 5 6 0 3 0 2 5) '(1 2 3 3 2 1)) '(5 6 0))
    (= (difference '(1 5 2 3 2 2 4 5 3 4 5 1) '(3 4) true) '(1 5 2 2 2 5 5 1))
    (= (difference '(nil nil nil) '()) '(nil))
    (= (difference '(nil nil nil) '() true) '(nil nil nil))
    (set 'L '(a b c d e f))
    (= (difference L L) '())
  )
)

(define (test-directory )
  (or (find "qa-dot" (directory)) (find "QA" (directory))))

(define (test-directory? )
  (directory? "."))

(define (test-div )
  (and (= 0.1 (div 100000000 1000000000)) 
       (= (div 1 3) 0.3333333333333333)
       (= (div 3) 0.3333333333333333)
))

(define (testdoargs)
	(local (lst)
		(doargs (i) (push i lst))
		lst))

(define (test-doargs)
	(= (testdoargs 3 2 1) '(1 2 3)))

(define (test-dolist , rList)
  (and 
   (dolist (x '(1 2 3 4 5 6 7 8 9)) 
    (push x rList)) 
   (= rList '(9 8 7 6 5 4 3 2 1)) 
   (dolist (x rList) 
    (pop rList))
    (dolist (x '(1 2 3 4 5 6 7 8 9) (> x 5))
	  (push x rList))
   (= rList '(5 4 3 2 1))
   (= (local (l) (dolist (e '(1 2 3)) (push $idx l)) l) '(2 1 0))
))

(define (test-dotimes , aList)
  (dotimes (x 2) 
   (dotimes (y 2) 
    (dotimes (z 2) 
     (push z aList))))
  (and
     (= '(1 0 1 0 1 0 1 0) aList)
     (not (dotimes (x 0) x))
     (= (dotimes (x 1) x) 0)

     ; dotimes returns nil when ever executed since 8.9.7
     (not (= (dotimes (x -1) x) 0))
     (not (= (dotimes (x -1.8) x) 0))

     (= (dotimes (x 1.8) x) 0)
	 (set 'cnt 0)
	 (dotimes (x 10 (> x 5)) (inc 'cnt))
	 (= cnt 6)

))
     
(define (test-dotree )
  (set 'aList '())
  (dotree (x 'MAIN) 
   (push x aList))
  (= (length (symbols 'MAIN)) (length aList)))

(define (test-dump )
  ( = "hello" (get-string (last (dump "hello")))))

(define (test-dump-symbol )
  (= (length (dump nil) 4)))

(define (test-dup)
  (and
    (= (dup "" 0) "")
    (= (dup "" 10) "")
    (= (dup "A" 10) "AAAAAAAAAA")
    (= (dup "AB" 5) "ABABABABAB")
    (= (dup 'x 5) '(x x x x x))
	(= (dup "l" -1) "")
	(= (dup '(1) -1) '())
    (= (dup 1 0) '())
    (= (dup 1 5) '(1 1 1 1 1))))

(define (test-empty? , aList)
  (set 'aList '(1 2 3 4 5 6 7 8 9 0))
  (while aList 
   (pop aList))
  (and (empty? aList) (empty? "")))

(define (test-encrypt )
  (= (encrypt (encrypt "newlisp" "123") "123") "newlisp"))

(define (test-ends-with )
  (and (ends-with "newlisp" "lisp") (ends-with "newlisp" "LISP" nil) 
   (ends-with (explode "newlisp") "p")))

(define (test-env)
  (and 
    (list? (env))
    (env "key" "value") 
    (= (env "key") "value")))

(define (test-erf)
   (<  (abs (sub 0.5204998778 (erf 0.5))) 0.000001))

(define (alarm) (println "ring..."))

(define (test-timer)
        (timer 'alarm 4))

(define (test-title-case)
	(= (title-case "heLLo") "HeLLo")
	(= (title-case "heLLo" true) "Hello"))

(define (test-throw-error)
    (and
        (not (catch (throw-error "message text") 'result))
        (starts-with result "user error :")) )


(define (test-error-event )
  (= 'nil (error-event)))

(define (test-error-number )
  (integer? (error-number)))

(define (test-error-text )
  (= (error-text 23) "invalid function"))

(define (test-eval , x y)
  (set 'x 123)
  (set 'y 'x)
  (set 'z 'y)
  (and (= 123 (eval y)) (= 123 (eval 'x)) (= 123 (eval (eval z)))))

(define (test-eval-string )
  (eval-string "(set 'x 123)")
  (eval-string "(set 'y x)")
  (and (= 123 (eval-string "y")))
  (= 123 (eval-string "(blah-blah)" 123)))

(define (test-exec )
  (and (sub-read-exec) (sub-write-exec)))

(define (sub-read-exec ) 
   (write-file "exectest" {(println "hello") (exit)})
   (and
     (set 'result  (if (and (> opsys 5) (< opsys 9))
     (exec "newlisp exectest") (exec "./newlisp exectest")))
     (or (= '("hello") result) (= '("" "hello") result)) 
     (delete-file "exectest")))

(define (sub-write-exec )
  (and 
    (write-file "testexec" {(write-file "exectest" (read-line))})
    (if (and (> opsys 5) (< opsys 9))
	 (exec "newlisp testexec" "HELLO") (exec "./newlisp testexec" "HELLO"))
    (= "HELLO" (read-file "exectest"))
    (delete-file "testexec")
    (delete-file "exectest")))


(define (test-exit )
  (or (primitive? exit) (lambda? exit)))

(define (test-exists)
  (and
    (= (exists string? '(2 3 4 6 "hello" 7)) "hello")
    (not (exists string? '(3 4 2 -7 3 0)) )
    (= (exists zero? '(3 4 2 -7 3 0)) 0)
    (= (exists < '(3 4 2 -7 3 0)) -7)
    (= (exists (fn (x) (> x 3)) '(3 4 2 -7 3 0)) 4)
    (not (exists (fn (x) (= x 10)) '(3 4 2 -7 3 0)))
))

(define (test-exp )
  (= 1 (exp (log (exp (log (exp (log 1))))))))

(define (test-expand) 
  (and
    (set 'x 2)
    (= (expand '(a x b) 'x) '(a 2 b))
    (= (expand '(x b) 'x) '(2 b))
    (= (expand '(a x) 'x) '(a 2))
    (= (expand '(a (x) b) 'x) '(a (2) b))
    (= (expand '(a ((x)) b) 'x) '(a ((2)) b))
    (set 'a 1 'b 2 'c 3)
    (= (expand '(a b c) 'b 'a 'c ) '(1 2 3))
	;; prolog mode with uppercase vars
	(set 'X 2)
	(= (expand '(a ((X)) b)) '(a ((2)) b))
	;; env list as parameter
	(set 'a "a" 'B "B" 'c "c" 'd "d")
	(= (expand '(a (B (c) (d a B))) '((a 1) (B 2) (c 3) (d 4)))
	   '(1 (2 (3) (4 1 2))))
	(= a "a") (= B "B") (= c "c") (= d "d")
))

(define (test-explode )
	(and	
		(= (explode "kakak" -1) '())
		(= (explode "ABC" 4) '("ABC"))
		(= (explode '(a b c d e f) -1) '())
		(= (explode "new") '("n" "e" "w"))
		(= (explode "newlisp" 3) '("new" "lis" "p"))
		(= (explode "newlisp" 3 true) '("new" "lis"))
		(= (explode "newlisp" 7 true) '("newlisp"))
		(= (explode "newlisp" 8 true) '())
		(= (explode '(a b c d e)) '((a) (b) (c) (d) (e)))
		(= (explode '(a b c d e) 2) '((a b) (c d) (e)))
		(= (explode '(n e w l i s p)) '((n) (e) (w) (l) (i) (s) (p)))
		(= (explode '(n e w l i s p) 3) '((n e w) (l i s) (p)))
		(= (explode '(n e w l i s p) 7 true) '((n e w l i s p)))
        (= (explode '(n e w l i s p) 8 true) '())
))

(define (test-factor)
	(= (apply * (factor 0x7FFFFFFFFFFFFFFF)) 0x7FFFFFFFFFFFFFFF))

(define (test-fft )
  (= '((1 2) (3 4)) (ifft (fft '((1 2) (3 4))))))

(define (test-file-info )
  (list? (file-info "qa-dot")))

(define (test-file? )
  (file? "qa-dot"))

(define (test-filter )
  (and
    (= (filter integer? '(1 1.1 2 2.2 3 3.3)) '(1 2 3))
    (= (filter true? '(a nil b nil c nil)) '(a b c))))

(define (test-find )
  (and 
    (= 3 (find '(3 4) '(0 1 2 (3 4) 5 6 7 8)))
    (= nil (find 9 '(1 2 3))) 
    (= 2 (find "W" "newlisp" 1))
    (= $0 "w")
    (= (find "newlisp" '("Perl" "Python" "newLISP") 1) 2)
    ; use a comparison functor
    (= (find '(1 2) '((1 4) 5 6 (1 2) (8 9))) 3)
    (= (find 3 '(8 4 3  7 2 6) >)  4)
    (= (find 5 '((l 3) (k 5) (a 10) (z 22)) (fn (x y) (= x (last y)))) 1)
    (= (find '(a ?) '((l 3) (k 5) (a 10) (z 22)) match) 2)
    (= (find '(X X) '((a b) (c d) (e e) (f g)) unify) 2)
    (define (has-it-as-last x y) (= x (last y)))
    (= (find 22 '((l 3) (k 5) (a 10) (z 22)) has-it-as-last) 3)
    (= (find "newlisp" '("Perl" "Python" "newLISP") (fn (x y) (regex x y 1))) 2)
))

(define (test-find-all)
  (and
	(= (find-all {\d+} "asdf2kjh44hgfhgf890") '("2" "44" "890"))
	(= (find-all {(new)(lisp)} "newLISPisNEWLISP" (append $2 $1) 1) '("LISPnew" "LISPNEW"))
))

(define (test-first )
  (= 1 (first '(1 2 3 4)))
  (= "n" (first "ewLISP"))
  (= (array 2 '(1 2)) (first (array 3 2 (sequence 1 6))))
)

(define (test-flat )
  (set 'lst '(a (b (c d))))
  (= (map (fn (x) (ref x lst)) (flat lst)) '((0) (1 0) (1 1 0) (1 1 1))))

(define (test-float )
  (float? (float "1.234")))

(define (test-flt)
	(= (flt 1.23) 1067282596))

(define (test-float? )
  (float? 1.234))

(define (test-floor )
  (= 1 (floor 1.5)))

(define (test-for , x lst1 lst2)
  (set 'lst1 '())
  (set 'lst2 '())
  (for (x 10 0 3) 
   (push x lst1))
  (for (x 10 0 3 (< x 7))
   (push x lst2))
  (and
   (= lst1 '(1 4 7 10))
   (= lst2 '(7 10)) )
)

(define (test-for-all)
  (and
    (for-all number? '(2 3 4 6 7)) 
    (not (for-all number? '(2 3 4 6 "hello" 7)) )
    (for-all (fn (x) (= x 10)) '(10 10 10 10 10))
))


(define (test-fork) (integer? (fork (exit))))

(define (test-format )
  (and
   (= (format "%d" 1.23) "1") 
   (= (format "%5.2f" 10) "10.00") 
   (= (format "%c %s %d %g" 65 "hello" 123 1.23) "A hello 123 1.23")
   (= (format "%5.2s" "hello") "   he")
   ; args passed in a list
   (= (format "%d" '(1.23)) "1")  
   (= (format "%5.2f" '(10)) "10.00")  
   (= (format "%c %s %d %g" '(65 "hello" 123 1.23)) "A hello 123 1.23")
   (= (format "%5.2s" '("hello")) "   he")
   (set 'data '((1 "a001" "g") (2 "a101" "c") (3 "c220" "g")))
   (set 'result (map (fn (x) (format "%3.2f %5s %2s" (nth 0 x) (nth 1 x) (nth 2 x))) data))
   (set 'result (map (fn (x) (format "%3.2f %5s %2s" (x 0) (x 1) (x 2))) data))
   (= result '("1.00  a001  g" "2.00  a101  c" "3.00  c220  g"))
   (not (catch (format "%%" 1) 'result))
   (not (catch (format "%10.2lf" 123) 'result))
   (if (and (> opsys 5) (< opsys 9) (!= opsys 7)) ;; Win32 
      (begin
        (and
         (= (format "%I64d" 0x7fffffffffffffff) "9223372036854775807")
         (= (format "%I64x" 0x7fffffffffffffff) "7fffffffffffffff")
         (= (format "%I64u" 0x7fffffffffffffff) "9223372036854775807")
         (= (format "%I64d" 0x8000000000000000) "-9223372036854775808")
         (= (format "%I64x" 0x8000000000000000) "8000000000000000")
         (= (format "%I64u" 0x8000000000000000) "9223372036854775808")
         (= (format "%I64d" 0xFFFFFFFFFFFFFFFF) "-1")
         (= (format "%I64x" 0xFFFFFFFFFFFFFFFF) "ffffffffffffffff")
         (= (format "%I64u" 0xFFFFFFFFFFFFFFFF) "18446744073709551615"))
      )
      (begin ;; UNIX like OS 
        (if (= opsys 9) ;TRU64
          (begin
            (and
              (= (format "%d" 0x7fffffff) "2147483647")
              (= (format "%d" 0xffffffff) "-1")
              (= (format "%u" 0xffffffff) "4294967295")
              (= (format "%i" 0x7fffffff) "2147483647")

              ; truncate
              (= (format "%d" 0x7fffffffffffffff) "-1")
              (= (format "%u" 0x7fffffffffffffff) "4294967295")
              (= (format "%x" 0x7fffffffffffffff) "ffffffff") 
              (= (format "%X" 0x7fffffffffffffff) "FFFFFFFF") 

              (= (format "%ld" 0x7fffffffffffffff) "9223372036854775807")
              (= (format "%lu" 0xffffffffffffffff) "18446744073709551615")
              (= (format "%li" 0x7fffffffffffffff) "9223372036854775807")
              (= (format "%lx" 0x7fffffffffffffff) "7fffffffffffffff")
              (= (format "%ld" 0x8000000000000000) "-9223372036854775808")
              (= (format "%lx" 0x8000000000000000) "8000000000000000")
              (= (format "%lu" 0x8000000000000000) "9223372036854775808")
              (= (format "%ld" 0xFFFFFFFFFFFFFFFF) "-1")
              (= (format "%lx" 0xFFFFFFFFFFFFFFFF) "ffffffffffffffff")
              (= (format "%lu" 0xFFFFFFFFFFFFFFFF) "18446744073709551615"))
          )
          (begin
            (and
              (= (format "%d" 0x7fffffff) "2147483647")
              (= (format "%d" 0xffffffff) "-1")
              (= (format "%u" 0xffffffff) "4294967295")

              ; truncate
              (= (format "%d" 0x7fffffffffffffff) "-1")
              (= (format "%u" 0x7fffffffffffffff) "4294967295")
              (= (format "%x" 0x7fffffffffffffff) "ffffffff") 
              (= (format "%X" 0x7fffffffffffffff) "FFFFFFFF") 

              (= (format "%lld" 0x7fffffffffffffff) "9223372036854775807")
              (= (format "%llx" 0x7fffffffffffffff) "7fffffffffffffff")
              (= (format "%llu" 0x7fffffffffffffff) "9223372036854775807")
              (= (format "%lld" 0x8000000000000000) "-9223372036854775808")
              (= (format "%llx" 0x8000000000000000) "8000000000000000")
              (= (format "%llu" 0x8000000000000000) "9223372036854775808")
              (= (format "%lld" 0xFFFFFFFFFFFFFFFF) "-1")
              (= (format "%llx" 0xFFFFFFFFFFFFFFFF) "ffffffffffffffff")
              (= (format "%llu" 0xFFFFFFFFFFFFFFFF) "18446744073709551615"))
          )
      )
))))

(define (test-fv )
  (< (sub (fv 0.1 10 1000 0 0) -15937.4246) 1e-05))

(define (test-gammai )
  (< (abs (sub (gammai 4 5) 0.734974)) 1e-05))

(define (test-gammaln )
  (< (abs (sub 120 (exp (gammaln 6)))) 1e-05))

(define (test-gcd)
 (and
  (= (gcd 0) 0)
  (= (gcd 1) 1)
  (= (gcd 12 36) 12)
  (= (gcd 12 36 6) 6)
  (= (gcd 12 36 6 3) 3)
))

(define (test-get-char )
  (= 65 (get-char (address "A"))))

(define (test-get-float )
  (= 1.234 (get-float (pack "lf" 1.234))))

(define (test-get-int )
  (and
    (= 123456789 (get-int (pack "ld" 123456789)))
    (set 'adr (pack "ldld" 0xaabbccdd 0xccddeeff))
    (= (format "%x" (get-int adr)) "aabbccdd")
    (= (format "%x" (get-int (address adr))) "aabbccdd")
    (= (format "%x" (get-int (+ (address adr) 0))) "aabbccdd")
    (= (format "%x" (get-int (+ (address adr) 4))) "ccddeeff")
    (set 'adr (pack "> ldld" 0xaabbccdd 0xccddeeff))
    (= adr "\170\187\204\221\204\221\238\255")
    (set 'adr (pack "< ldld" 0xaabbccdd 0xccddeeff))
    (= adr "\221\204\187\170\255\238\221\204")
    (set 'buff (pack "lulululululululu" 1 2 3 4))
    (apply and (map (fn (i) (= (+ i 1) (get-int (+ (* i 4) (address buff))))) '(0 1 2 3))) 
))

(define (test-get-long)
	(set 'adr (pack "Ld" -1))
	(= -1 (get-long adr)))

(define (test-get-string )
  (= "hello" (get-string (address "hello"))))

(define (test-get-url )
  (= "ERR: bad formed URL" (get-url "")))


(define (test-global)
	(= global-myvar 123))

(define (test-global?)
	(and
		(global? 'global-myvar)
		(global? 'println)
))

(define (test-if )
  (and 
   (if true true) 
   (if nil nil true) 
   (if 'nil nil true) 
   (if '() nil true)
   (= (if '()) '())
   (= (if nil 1 '() 2) '())
   (= (if nil '() '()) '())
   (= (if true '() '()) '())
   (= (if nil 1 nil 2 nil 3 true 4 3) 4)
   (= (if nil 1 nil 2 nil 3 nil 4 3) 3)
   ))

(define (test-ifft )
  (= '((1 2) (3 4)) (ifft (fft '((1 2) (3 4))))))

(define (test-import )
  (primitive? import))

(define (test-inc , x)
  (set 'x 1)
  (and (= 2 (inc 'x)) (= 2.1 (inc 'x 0.1))))

(define (test-index )
  (= '(1 3) (index (lambda (x) (> x 3)) '(1 5 2 6 2 0))))

(define (test-integer )
  (and 
    (integer? (int "12345"))
    (= (int " 12345") 12345)
    (= (int "9223372036854775807")  9223372036854775807)
    (= (int "-9223372036854775808") -9223372036854775808)
    (= (int 0.0) 0)
    (= (int 1e30)  9223372036854775807)
    (= (int -1e30) -9223372036854775808)
    (= (int 0x8000000000000000) (int "0x8000000000000000"))
))

(define (test-int) (test-integer))

(define (test-integer? )
  (and
    (integer? 12345)
    (integer? 9223372036854775807)
    (integer? -9223372036854775808)
    (integer? 0x7FFFFFFFFFFFFFFF)
    (integer? 0xFFFFFFFFFFFFFFFF)
))

(define (test-intersect )
  (and
    (= (intersect '(3 0 2 4 1) '(1 4 2 5)) '(2 4 1))
    (set 'L '(a b c d e f))
    (= (intersect L L) L)
  )
)

(define (test-invert )
  (set 'A '((-1 1 1) (1 4 -5) (1 -2 0)))
  (set 'I (multiply A (invert A)))
  (set 'J (multiply (array 3 3 (flat A)) (invert (array 3 3 (flat A)))))
  (and (< (sub 1 (nth 0 (nth 0 I))) 1e-06)
       (< (sub 1 (nth 1 (nth 1 I))) 1e-06) 
       (< (sub 1 (nth 2 (nth 2 I))) 1e-06)
       (= I (array-list J)) 
       (not (invert '((0 1 0) (1 0 1) (0 0 0))) )
))

(define (test-irr )
  (< (abs (sub (irr '(-1000 500 400 300 200 100)) 0.20272)) 0.0001))

(define (test-join )
  (and 
    (= "this is a sentence" (join '("this" "is" "a" "sentence") " ")) 
    (= "this_is_a_sentence" (join '("this_" "is_" "a_" "sentence")))
    (= "" (join '()))
	(= (join '("A" "B" "C") "-") "A-B-C")
	(= (join '("A" "B" "C") "-" true) "A-B-C-")
))

(define (test-lambda? )
  (lambda? qa))

(define (test-last )
  (= 'f (last '(a b c d e f)))
  (= "p" (last "newlisp"))
  (= (array 2 '(5 6)) (last (array 3 2 (sequence 1 6))))
)

(define (test-legal?)
  (and
    (legal? "abc")
    (not (legal? "a b c"))
    (set 'greek (pack "cccccccccccccccccc" 206 160 206 181 206 187 206 181 206 185 206
				172 206 180 206 181 207 137))
    (legal? greek)
))


(define (test-length )
  (> (length (symbols)) 100)
  (- 7 (length "newlisp")))

(define (test-let )
  (set 'a 123)
  (set 'b 456)
  (set 'p 111)
  (set 'q 222)
  (and
     (let ((a 1) (b 2)) 
       (= (+ a b) 3))
     (= a 123) 
     (= b 456)
     (let (p 3 q 4)
       (= (+ q p) 7))
     (= p 111)
     (= q 222)
))

(define (test-letex)
  (and
	(= (letex (x '* y 3 z 4) (x y z)) 12)
	(= (letex (x 1 y 2 z 3) (quote (x y z))) '(1 2 3))
	(= (letex (x 1 y 2 z 3) '(x y z)) '(1 2 3))
	(= (letex (x 1 y 2 z 3) '('x (quote y) z)) '('1 (quote 2) 3))
	(= (letex (x 1) 'x) 1)
	))

(define (test-letn)
  (set 'x 0 'y 0 'z 0)
  (and
      (= (letn ((x 1) (y (+ x 1)) (z (+ y 1))) (list x y z)) '(1 2 3))
      (= 0 x y z))
)

(define (test-list )
  (and (list? (list 1 2 3 4 5)) (= '(1) (list 1)) (= '(1 nil) (list 
     1 'nil))))

(define (test-list? )
  (and (list? '(1 2 3 4 5)) (list? '())))

(define (test-load )
  (write-file "junk" "(+ 3 4)")
  (load "junk"))

(define (test-local)
	(set 'a 10 'b 20)
	(and 
		(= (local (a b) (set 'a 1 'b 2) (+ a b)) 3)
		(= a 10)
		(= b 20)))

(define (test-set-locale) 
  (string? (set-locale)))

(define (test-log )
  (and
  	(= 1 (log (exp 1)))
	(= 1 (log (exp 1) (exp 1)))
  )
)

(define (test-lookup )
  (and (= 3 (lookup 1 '((2 3 4) (1 2 3)))) (= 2 (lookup 1 '((2 3 
       4) 
      (1 2 3)) 1))))

(define (test-lower-case )
  (if (> opsys 4) 
   (= "abcdefgq" (lower-case "ABCDEFGQ")) 
   (= "abcdefgh" (lower-case "ABCDEFGH"))))

(define (test-macro? )
  (macro? 
   (define-macro (foo-macro))))

(define (test-main-args )
  (and 
     (list? (main-args))
     (list? $main-args)
     (= $main-args (main-args))
     (= ($main-args 0) ((main-args) 0) (main-args 0))
     (= ($main-args -1) ((main-args) -1))
))

(define (test-make-dir )
  (and (make-dir "foodir") (remove-dir "foodir")))

(define (test-map )
  (and (= '(11 22 33) (map + '(10 20 30) '(1 2 3))) 
       (= '(2 4 6) (map (lambda (x) (+ x x)) '(1 2 3)))
))

(define (test-mat)
	(set 'A '((1 2 3) (4 5 6))) 
	(set 'B A)
	(and
		(= (mat + A B) '((2 4 6) (8 10 12)))
		(= (mat - A B) '((0 0 0) (0 0 0)))
		(= (mat * A B) '((1 4 9) (16 25 36)))
		(= (mat / A B) '((1 1 1) (1 1 1)))
		(= (mat + A 2) '((3 4 5) (6 7 8)))
		(= (mat - A 2) '((-1 0 1) (2 3 4)))
		(= (mat * A 2) '((2 4 6) (8 10 12)))
		(= (mat / A 2) '((0.5 1 1.5) (2 2.5 3)))

		(= (mat + A 5) '((6 7 8) (9 10 11)))
		(= (mat - A 2) '((-1 0 1) (2 3 4)))
		(= (mat * A 3) '((3 6 9) (12 15 18)))
		(= (mat / A 10) '((.1 .2 .3) (.4 .5 .6)))

        (set 'op +)
		(= (mat op A B) '((2 4 6) (8 10 12)))
        (set 'op '+)
		(= (mat op A B) '((2 4 6) (8 10 12)))
	))

(define (test-match)
  (and 
    (= (match '(a (b ?) d e *) '(a (b c) d e f g) true)   '(a (b c) d e (f g)) )
    (= (match '(a (b ?) d e *) '(a (b c) d e f g) )  '(c (f g)) )

    (= (match '(a * b x) '(a b c d b x e f b x) true) '(a (b c d b x e f) b x) )
    (= (match '(a * b x) '(a b c d b x e f b x) ) '((b c d b x e f)) )


    (= (match '(? (?) x * ? (? e)) '(a (b) x y c (d e)) true) '(a (b) x (y) c (d e)) )
    (= (match '(? (?) x * ? (? e)) '(a (b) x y c (d e))) '(a b (y) c d) )

    (= (match '(a * b) '(a x b) true) '(a (x) b) )
    (= (match '(a * b) '(a x b)) '((x)) )


    (= (match '(a * b) '(a b) true) '(a () b) )
    (= (match '(a * b) '(a b)) '(()) )

    (= (match '( (? ?) * ) '( (x y) ) true) '((x y) ()) )
    (= (match '( (? ?) * ) '( (x y) )) '(x y ()) )
    (match '(+) '(a))
    (match '(+) '(a b))
    (not (match '(+) '()))
  ))


(define (test-max )
  (and (= 10 (max 3 6 10 8)) (= 1.2 (max 0.7 0.6 1.2))))

(define (test-member )
  (= '(3 4) (member 3 '(1 2 3 4)))
  (= (member "LISP" "newLISP") "LISP")
  (= (member "LI" "newLISP") "LISP")
  (= (member "" "newLISP") "newLISP")
  (not (member "xyz" "newLISP"))
  (not (member "new" "this is NEWLISP" 0))
  (= (member "new" "this is NEWLISP" 1) "NEWLISP")
)

(define (test-min )
  (and (= 3 (min 3 6 10 8)) (= 0.6 (min 0.7 0.6 1.2))))

(define (test-mod )
  (and (< (sub (mod 10.5 3.3) 0.6) 0.0001) (< (sub (mod 10 3) 1) 0.0001)))

(define (test-mul )
  (= 1e-09 (mul 0.0001 1e-05)))

(define (test-multiply )
  (let ((A '((1 2 3) (4 5 6))) (B '((1 2) (1 2) (1 2)))) 
    (and 
       (= '((6 12) (15 30)) (multiply A B))
       (= (array 2 2 (flat '((6 12) (15 30))))
          (multiply (array 2 3 (flat A)) (array 3 2 (flat  B))))
    )
))

(define (test-name )
  (= "name" (name 'name)))

(define (test-net-accept )
  (and
	(set 'net-listen-test (set 'listen (net-listen 12345)))
	(set 'net-connect-test (set 'connect (net-connect "localhost" 12345)))
	(set 'server (net-accept listen))
	(set 'net-send-test (= (net-send server "hello") 5))
	(set 'net-select-test (net-select connect "r" 100000))
	(set 'net-peek-test (= (net-peek connect) 5))
	(set 'net-receive-test (net-receive connect 'buff 20))
	(= buff "hello")
	(set 'net-sessions-test (and  
	  (find listen (net-sessions))
	  (find connect (net-sessions))
	  (find server (net-sessions))))
	(set 'net-local-test (= (net-local server) (net-peer connect)))
	(set 'net-peer-test (= (net-local connect) (net-peer server)))
	(set 'net-close-test (net-close connect))
	(set 'net-close-test (net-close server))
	(set 'net-close-test (net-close listen))
	(not (net-error))
))

(define (test-net-close ) net-close-test)

(define (test-net-connect )  net-connect-test)

(define (test-net-error ) 
	(and
		(not (net-close 12345))
		(list? (net-error))))

(define (test-net-eval) true) ;; see special test prog

(define (test-net-listen ) net-listen-test)

(define (test-net-local ) net-local-test)

(define (test-net-lookup )
	(= "127.0.0.1" (net-lookup "localhost")))

(define (test-net-peek ) net-peek-test)

(define (test-net-peer ) net-peer-test)

(define (test-net-ping) true) ; test manualyy as superuser

(define (test-net-receive ) net-receive-test)

(define (test-net-receive-from)
  (and
    (set 'sock (net-listen 1234 "localhost" "udp"))
    (set 'net-send-to-test (net-send-to "localhost" 1234 "hello" sock))
    (set 'net-select-test (net-select sock "r" 1000000) )
    (= "hello" (first (net-receive-from sock 10)))
    (net-close sock)))


(define (test-net-receive-udp)
    (write-file "udptest.lsp"
[text]
(map set '(in out sid) (map int (slice (main-args) 2)))
(semaphore sid 1) ; signal parent to start
(set 'msg (net-receive-udp in 20 2000000))
(sleep 100)
(if (not msg) (exit))
(net-send-udp "localhost" out (upper-case (first msg)))
(exit)
[/text]
    )
  (and
    (set 'sid (semaphore))
    (if (and (> opsys 5)(< opsys 9))
      (process (string "newlisp udptest.lsp " 10001 " " 10002 " " sid))
      (process (string "./newlisp udptest.lsp " 10001 " " 10002 " " sid)))
    (println "---------- testing UDP Win32 and OS/2 -------------")
    (println "waiting ...");
    (semaphore sid -1) ; wait for child process
    (sleep 100)
    (println "sending ...")
    (net-send-udp "localhost" 10001 "hello") 
    (println "receiving ...")
    (set 'msg (net-receive-udp 10002 20 3000000))
    (println "msg:" msg)
    (or (delete-file "udptest.lsp") true)
    (println "deleting semaphore:" (semaphore sid 0)) ; delete semaphore
    (println "------------------------------------------")
    (if msg (set 'net-send-udp-test (= "HELLO" (first msg)) ) )))


(if (or (< opsys 6)(= opsys 9))
  (define (test-net-receive-udp)
    (fork (begin (sleep 500) (net-send-udp "localhost" 10001 "hello")))
    (set 'net-send-udp-test (= "hello" (first (net-receive-udp 10001 10)))))
)


(define (test-net-select )  net-select-test)

(define (test-net-send ) net-send-test)

(define (test-net-send-to ) net-send-to-test)

(define (test-net-send-udp ) net-send-udp-test)

(define (test-net-service ) (= 21 (net-service "ftp" "tcp")))

(define (test-net-sessions ) net-sessions-test)

(define (test-new) 
  (new QA 'MAIN:QA2))

(define (test-nil?)
  (and
    (= nil (not (nil? nil)))
    (= '(nil true) (map nil? '(a nil)))))

(define (test-null?)
	(= (map null? '(1 0 2 0.0 "hello" "" (a b c) () nil true (lambda) (fn) (lambda ())))
	'(nil true nil true nil true nil true true nil true true nil)))

(define (test-normal )
  (and (float? (normal)) (float? (normal 10 3)) (list? (normal 10 
     3 100))))

(define (test-not )
  (and (not (not (not '()))) (not (not (not (not (not nil))))) (not 
    (not (not (not true)))) 
   (= '(true true true) (map not '(nil nil nil))) 
   (= '(nil nil nil) (map not '(true true true)))))

(define (test-now )
  (= (length (now)) 11))

(define (test-nper )
  (< (sub (nper 0.1 1000 100000 0 0) -25.15885793) 1e-08))

(define (test-npv )
  (< (sub (npv 0.1 '(-10000 3000 4200 6800)) 1188.443412) 1e-06))

(define (test-nth , l) ;; see set-nth for more comprehensive testing
	(set 'l '(0 1 2))
	(and (= 0 (nth 0 l))
		(= 1 (nth 1 l))
		(= 2 (nth 2 l))
		(= 2 (nth 3 l)) 
		(= 2 (nth -1 l))
		(= (nth 0 "lisp") "l")
		(= (nth 1 "lisp") "i")
		(= (nth 10 "lisp") "p")
		(= (nth -10 "lisp") "l")
		(= (nth 0 "") "")
		(= (nth 1 "") "")
		(= (nth -1 "") "")

		(set 'l '(a b (c d) (e f)))
		(= 'a (l 0))
		(= '(c d) (l 2))
		(= 'c (l 2 0))
		(= 'f (l -1 -1))
		(= 'c (l '(2 0)))
		(= 'f (l '(-1 -1)))

		(set 'myarray (array 3 2 (sequence 1 6)))
		(= (array 2 '(3 4)) (myarray 1))
		(= 6 (myarray -1 -1))

		(= (array 2 '(3 4)) (myarray '(1)))
		(= 6 (myarray '(-1 -1)))

		(= "L" ("newLISP" 3))

		(constant 'constL '((1 2 3) (a b c)))
		(set 'aref '(1 2))
		(= (constL 1 2) 'c)
		(= (nth 1 2 constL) 'c)
		(= (nth (constL 1 2)) 'c)
		(= (nth (constL (- 2 1) (+ 1 1))) 'c)
		(= (nth (constL '(1 2))) 'c)
		(= (nth (constL aref)) 'c)
		(= (nth 0 (+ 1 1) constL) 3)

  ))

(define (test-number?)
    (and
        (number? 1)
        (number? 1.23)
        (not (number? 'x))
        (not (number? "abc"))
        (not (number? '(a b c)))
    )
)

(define (test-open )
  (and 
    (set 'fle (open "qa-dot" "read"))
    (close fle)))

(define (test-or )
  (and (or (or (= 1 2) nil nil) (or nil nil nil true)) (not (or nil 
     (= "a" "b") nil))))

(define (test-pack )
 (and
  (= (pack "c c c" 65 66 67) "ABC")
  (= (unpack "c c c" "ABC") '(65 66 67))
  (set 's (pack "c d u" 10 12345 56789))
  (= (unpack "c d u" s) '(10 12345 56789))
  (set 's (pack "s10 f" "result" 1.23))
  (= (first (unpack "s10 f" s)) "result\000\000\000\000")
  (< (- (last (unpack "s10 f" s)) 1.23) 0.00001)
  (set 's (pack "s3 lf" "result" 1.23))
  (= (first (unpack "s3 f" s)) "res")

  (= (pack "ccc" 65 66 67) "ABC")
  (= (unpack "ccc" "ABC") '(65 66 67))
  (set 's (pack "cdu" 10 12345 56789))
  (= (unpack "cdu" s) '(10 12345 56789))
  (set 's (pack "s10f" "result" 1.23))
  (= (first (unpack "s10f" s)) "result\000\000\000\000")
  (< (- (last (unpack "s10f" s)) 1.23) 0.00001)
  (set 's (pack "s3lf" "result" 1.23))
  (= (first (unpack "s3f" s)) "res")

  (= "\001\000" (pack "<d" 1))
  (= "\000\001" (pack ">d" 1))
  (= "\001\000\000\000" (pack "<ld" 1))
  (= "\000\000\000\001" (pack ">ld" 1))
  (= '(12345678) (unpack "ld" (pack "ld" 12345678)))
  (= '(12345678) (unpack "<ld" (pack "<ld" 12345678)))
  (= '(12345678) (unpack ">ld" (pack ">ld" 12345678)))
  (= (unpack "bbbbbbbb" (pack "<lf" 1.234)) '(88 57 180 200 118 190 243 63))
  (= (unpack "bbbbbbbb" (pack ">lf" 1.234)) '(63 243 190 118 200 180 57 88))
  (= (format "%20.2f" (first (unpack "lf" (pack "lf" 1234567890123456)))) " 1234567890123456.00")
))

(define (test-parse )
  (and 
    (= 3 (length (parse "hello hi there"))) 
    (= (parse "abcbdbe" "b") '("a" "c" "d" "e")) 
    (= (parse "," ",") '("" ""))  
    (= (parse "hello regular   expression 1, 2, 3" {,\s*|\s+} 0)
       '("hello" "regular" "expression" "1" "2" "3"))))


(define (test-parse-date)
	(and
		(= (parse-date "2007.1.3" "%Y.%m.%d") 1167782400)
		(= (parse-date "January 10, 07" "%B %d, %y") 1168387200)
))


(define (test-peek)
	(set 'fle (open "qa-dot" "r"))
	(= (peek fle) (first (file-info "qa-dot")))
	(close fle))

(define (test-pipe)
	(write-file "pipe-child.lsp" 
[text]
(set 'msg (read-line (int (nth 2 (main-args)))))
(write-line (upper-case msg) (int (nth 3 (main-args))))
(exit)
[/text]
	)
	(set 'channel (pipe))
	(set 'in (first channel))
	(set 'out (last channel))
	(if (and (> opsys 5) (< opsys 9))
		(process (string "newlisp pipe-child.lsp " in " " out))
		(process (string "./newlisp pipe-child.lsp " in " " out)))
	(sleep 500)
	(write-line "hello there" out)
	(sleep 500)
	(= (read-line in) "HELLO THERE")
	(delete-file "pipe-child.lsp"))

(if (< opsys 6)
  (define (test-pipe)
	(set 'channel (pipe))
	(set 'in (first channel))
	(set 'out (last channel))
	(fork (write-line (upper-case (read-line in)) out))
	(write-line "hello there" out)
	(sleep 1000)
	(= (read-line in) "HELLO THERE")
	)
)


(define (test-pmt ) 
  (< (sub (pmt 0.1 10 100000 0 0) -16274.53949) 1e-05))

(define (test-pop , r l)
  (set 'r '())
  (set 'l '(1 2 3 4 5 6 7 8 9 0))
  (dotimes (x 10) 
   (push (pop l) r))
  (and (= r '(0 9 8 7 6 5 4 3 2 1))
       (set 'l '(a b (c d (x) e)))
       (= 'x (pop l '(2 2 0)))
       (set 'lst '(1 2 3 (4 5)()))
       (push 'x lst -1 -1)
       (= lst '(1 2 3 (4 5) (x)))
       (push 'y lst -1 0)
       (= lst '(1 2 3 (4 5) (y x)))
       (push 'z lst -1 1)
       (= lst '(1 2 3 (4 5) (y z x)))
       (push 'p lst 4)
       (= lst '(1 2 3 (4 5) p (y z x)))
       (push 'q lst -2)
       (= lst '(1 2 3 (4 5) p q (y z x)))
       (push 'a lst 3 -3)
       (= lst '(1 2 3 (a 4 5) p q (y z x)))
       (= (pop lst 3 -3) 'a)
       (= (pop lst -2) 'q)
       (= (pop lst 4) 'p)
       (= (pop lst -1 1) 'z)
       (= (pop lst -1 0) 'y)
       (= (pop lst -1 -1) 'x)
       (= lst '(1 2 3 (4 5)()))
       ; test pop string
       (set 's "newLISP")
       (= (pop s) "n")
       (= s "ewLISP")
       (= (pop s 2) "L")
       (= s "ewISP")
       (= (pop s -1) "P")
       (= s "ewIS")
       (= (pop s -2 2) "IS")
       (= s "ew")
       (= (pop s -10 10) "ew")
       (= s "")
       (set 's "123456789")
       (= (pop s 5) "6")
       (= (pop s 5 -1) "")
       (= s "12345789")
       (set 's "123456789")
       (= (pop s 5 5) "6789")
       (set 's "x")
       (= (pop s) "x")
       (= s "")
       (= (pop s) "")
       (= (pop s) "")	
       (= s "")
))

(define (test-post-url )
  (= "ERR: bad formed URL" (post-url "" "abc" "def")))

(define (test-pow )
  (and
    (= 1024 (pow 2 10))
    (= 100 (pow 10))
))

(define (test-pretty-print)
  (= (pretty-print) '(64 " ")))

(define (test-primitive? )
  (primitive? primitive?))

(define (test-print ) 
  (device (open "testprint" "w"))
  (print "hello")
  (close (device))
  (and (= "hello" (read-file "testprint"))
     (delete-file "testprint")))

(define (test-println ) 
  (device (open "testprintln" "w"))
  (print "hello")
  (close (device))
  (and 
     (= "hello" (slice (read-file "testprintln") 0 5))
     (delete-file "testprintln")))

(define (test-prob-chi2 )
  (< (abs (sub (prob-chi2 10 10) 0.440493)) 1e-05))

(define (test-prob-z )
  (< (abs (sub (prob-z 0) 0.5)) 1e-05))

(define (test-process ) 
   (write-file "processtest" {(write-file "testprocess" "hello") (exit)})
   (if (and (> opsys 5) (< opsys 9))
	(process "newlisp processtest") (process "./newlisp processtest"))
   (until (file? "testprocess") (sleep 500))
   (sleep 200)
   (and
     (= "hello" (read-file "testprocess"))
     (delete-file "processtest")
     (delete-file "testprocess")))

(define (test-protected?)
	(and
		(protected? 'println)
		(constant 'cval 123)
		(protected? 'cval)
		(protected? 'QA))
)

(define (test-push , l)
  (dotimes (x 10) 
   (push x l x))
  (and 
       (= l '(0 1 2 3 4 5 6 7 8 9))
       (set 'l '(a b (c d () e)))
       (push 'x l '(2 2 0))
       (= (ref 'x l) '(2 2 0))
       (set 'lst '(1 2 3 (4 5)()))
       (push 'x lst -1 -1)
       (= lst '(1 2 3 (4 5) (x)))
       (push 'y lst -1 0)
       (= lst '(1 2 3 (4 5) (y x)))
       (push 'z lst -1 1)
       (= lst '(1 2 3 (4 5) (y z x)))
       (push 'p lst 4)
       (= lst '(1 2 3 (4 5) p (y z x)))
       (push 'q lst -2)
       (= lst '(1 2 3 (4 5) p q (y z x)))
       (push 'a lst 3 -3)
       (= lst '(1 2 3 (a 4 5) p q (y z x)))
       (= (pop lst 3 -3) 'a)
       (= (pop lst -2) 'q)
       (= (pop lst 4) 'p)
       (= (pop lst -1 1) 'z)
       (= (pop lst -1 0) 'y)
       (= (pop lst -1 -1) 'x)
       (= lst '(1 2 3 (4 5)()))
       (test-push-pop)
       (test-push-optimization-bug)
       ; test string push
       (set 's "newLISP")
       (= (push "#" s) "#")
       (= s "#newLISP")
       (= (push "#" s 1) "#")
       (= s "##newLISP")
       (= (push "#" s 3) "#")
       (= s "##n#ewLISP")
       (= (push "#" s -1) "#")
       (= s "##n#ewLISP#")
       (= (push "#" s -3) "#")
       (= s "##n#ewLIS#P#")
       (= (push "xy" s) "xy")
       (= s "xy##n#ewLIS#P#")
       (= (push "xy" s -1) "xy")
       (= s "xy##n#ewLIS#P#xy")
       (set 's "")
       (= (push "" s) "")
       (= s "")
       (set 's "newLISP")
       (= (push "" s -1) "")
       (= (push "" s) "")
       (= s "newLISP")
       (push "-" s 7)
	   (= s "newLISP-")
	   (push "-" s -9)
	   (= s "-newLISP-")
       (set 's "newLISP")
       (push "-" s 8)
	   (= s "newLISP-")
	   (push "-" s -10)
	   (= s "-newLISP-")
))

(define (test-push-pop)
	(set 'lst (sequence 1 1000))
	(dotimes (x 1000) (push (pop lst) lst -1))
	(= lst (sequence 1 1000)))

(define (test-push-optimization-bug) ; fixed in 8.7.1
    (set 'l nil)
    (and (push 'x l -1)
         (set 'lst l)
         (push 'y lst -1)
         (= lst '(x y))))

(define (test-put-url ) 
  (= "ERR: bad formed URL" (put-url "" "abc")))

(define (test-pv )
  (< (sub (pv 0.1 10 1000 100000 0 0) -44696.89605) 1e-05))

(define (test-quote )
  (= (quote x) 'x))

(define (test-quote? )
  (quote? ''quote?))

(define (test-rand , sum)
  (set 'sum 0)
  (dotimes (x 1000) 
   (inc 'sum (rand 2)))
  (and (< sum 600) (> sum 400) (list? (rand 10 100))))

(define (test-random )
  (and (float? (random)) (= (length (random 0 1 10)) 10)))

(define (test-randomize)
  (and
    (!= '(a b c d e f g) (randomize '(a b c d e f g)))
    (= (difference '(a b c d e f g) (randomize '(a b c d e f g))) '())
  )
)

(define (test-read-buffer )
  (and
    (set 'file (open "qa-dot" "read"))
    (read-buffer file 'buff (nth 0 (file-info "qa-dot")))
    (close file)
    (set 'file (open "junk" "write"))
    (write-buffer file 'buff (nth 0 (file-info "qa-dot")))
    (close file)))

(define (test-read-char )
  (and 
    (file-copy "qa-dot" "junk")
    (delete-file "junk")))

(define (test-read-file )
  (read-file "qa-dot"))

(define (test-read-key) true)

(define (test-read-line )
  (line-count "qa-dot"))


(define (test-real-path) 
  (and
	(string? (real-path))
    (string? (real-path "."))
 ))

(define (test-ref)
  (and 
    (set 'pList '(a b (c d () e)))
    (push 'x pList 2 2 0)
    (= (ref 'x pList) '(2 2 0))
    (= (ref '(x) pList) '(2 2))
    (set 'v (ref '(x) pList))
    (= (pList v) '(x))
    (= (ref 'foo pList) '())
    ; comparison functor
    (= (ref 'e '(a b (c d (e) f)) =) '(2 2 0))
    (= (ref 'e '(a b (c d (e) f)) >) '(0))
    (= (ref 'e '(a b (c d (e) f)) <) '(2))
    (= (ref 'e '(a b (c d (e) f)) (fn (x y) (or (= x y) (= y 'd)))) '(2 1))
    (define (is-it-or-d x y) (or (= x y) (= y 'd)))
    (= (ref 'e '(a b (c d (e) f)) is-it-or-d) '(2 1))
    ; comparison with match and unify
    (= (ref '(a ?) '((l 3) (a 12) (k 5) (a 10) (z 22)) match) '(1))
    (= (ref '(X X) '( ((a b) (c d)) ((e e) (f g)) ) unify) '(1 0))
    (= (ref '(X g) '( ((a b) (c d)) ((e e) (f g)) ) unify) '(1 1))
))

(define (test-ref-all) 
  (and
    (set 'L '(a b c (d a f (a h a)) (k a (m n a) (x))))
    (= (ref-all 'a L) '((0) (3 1) (3 3 0) (3 3 2) (4 1) (4 2 2)))
    (= (L '(3 1)) 'a)
    (= (map 'L (ref-all 'a L)) '(a a a a a a))
    ; with comparison functor
    (= (ref-all 'a '(1 2 3 4 5 6)) '())
    (set 'L '(a b c (d f (h l a)) (k a (m n) (x))))
    (= (ref-all 'c L =) '((2)))
    (= (ref-all 'c L >) '((0) (1) (3 2 2) (4 1)))
    (= (ref-all 'a L (fn (x y) (or (= x y) (= y 'k)))) ' ((0) (3 2 2) (4 0) (4 1)))
    (define (is-long? x y) (> (length y) 2))
    (= (ref-all nil L is-long?) '((3) (3 2) (4)))
    (define (is-it-or-d x y) (or (= x y) (= y 'd)))
    (= (ref-all 'e '(a b (c d (e) f)) is-it-or-d) '((2 1) (2 2 0)))
    (= (ref-all 'b '(a b (c d (e) f)) is-it-or-d) '((1) (2 1)))
    (= (ref-all nil '(((()))) (fn (x y) (> (length y) 0))) '((0) (0 0)))
    ; test comparison with match and unify
    (= (ref-all '(a ?) '((l 3) (a 12) (k 5) (a 10) (z 22)) match) '((1) (3)))
    (= (ref-all '(X X) '( ((a b) (c d)) ((e e) (f g)) ((z) (z))) unify) '((1 0) (2)))
    (= (ref-all '(X g) '( ((x y z) g) ((a b) (c d)) ((e e) (f g))) unify) '((0) (2 1)))
))

(define (test-regex )
  (and
   (= (regex "http://(.*):(.*)" "http://nuevatec.com:80")
      '("http://nuevatec.com:80" 0 22 "nuevatec.com" 7 12 "80" 20 2))
   (= $0 "http://nuevatec.com:80")
   (= $1 "nuevatec.com")
   (= $2 "80")
   (= (regex "b+" "AAAABBBAAAA" 1) '("BBB" 4 3))))
 
(define (test-remove-dir )
  (and (make-dir "junk") (remove-dir "junk")))

(define (test-rename-file )
  (copy-file "qa-dot" "junk")
  (rename-file "junk" "junk2"))

;; this can run only once than must be reloaded
;; because some replace's are in place with a constant
(define (test-replace ) 
 (and
  (not (catch (replace "a" "akakak") 'result))
  (not (catch (replace "a") 'result))
  (not (catch (replace) 'result))
  (catch (replace "a" '("x" "a" "y")) 'result)
  (= (replace "a" "ababab" "b") "bbbbbb")
  (= $0 3) 
  (= (replace 'a '(a a b a b a a a b a) 'b) '(b b b b b b b b b b))
  (= (replace 'a '(a a b a b a a a b a)) '(b b b))
  (= (replace 'a '(a)) '())
;; with regular expressions option
  (= (replace "" "abc" "x" 0) "xaxbxcx")
  (= (replace "$" "abc" "x" 0) "abcx")
  (= (replace "^" "abc" "x" 0) "xabc")
  (= (replace "\\b" "abc" "x" 0) "xabcx")
  (= (replace "(?<=[0-9])(?=(?:[0-9]{3})+(?![0-9]))" "1234567" "," 0) "1,234,567")
  (= (replace "a" "ababab" (upper-case $0) 0) "AbAbAb")
  (= $0 3) 
  (set 'str2 "abaBab")
  (= (replace "b|B" str2 "z" 0) "azazaz")
  (= $0 3)
  (replace-once "aaa")
  (= (replace "%([0-9A-F][0-9A-F])" "%41123%42456%43" (char (int (append "0x" $1))) 1) "A123B456C")
  ; replace with comparison functor
  (set 'L '(1 4 22 5 6 89 2 3 24))
  (= (replace 10 L 10 <) '(1 4 10 5 6 10 2 3 10)) 
  (set 'L '(1 4 22 5 6 89 2 3 24))
  (= (replace 10 L 10 (fn (x y) (< x y))) '(1 4 10 5 6 10 2 3 10))
  ;
  (set 'AL '((john 5 6 4) (mary 3 4 7) (bob 4 2 7 9) (jane 3)))
  (= (replace '(mary *)  AL (list 'mary (apply + (rest $0))) match)
    '((john 5 6 4) (mary 14) (bob 4 2 7 9) (jane 3)))
  (set 'AL '((john 5 6 4) (mary 3 4 7) (bob 4 2 7 9) (jane 3)))
  (= (replace '(*) AL (list ($0 0) (apply + (rest $0))) match)
    '((john 15) (mary 14) (bob 22) (jane 3)))
  (set 'AL '((john 5 6 4) ("mary" 3 4 7) (bob 4 2 7 9) ("jane" 3)))
  (= (replace nil AL (cons (sym ($0 0)) (rest $0)) (fn (x y) (string? (y 0))))
    '((john 5 6 4) (mary 3 4 7) (bob 4 2 7 9) (jane 3)))
))
 
(define (replace-once str)
  (= (replace "a" str (upper-case $0) 0x8000) "Aaa") ;; custom option replace once
)

(define (test-replace-assoc )
  (set 'aList '((a 1 2 3) (b 4 5 6) (c 7 8 9)))
  (set 'bList '((a 1) (b 2) (c 3)))
  (replace-assoc 'b aList '(b 4 5 99))
  (replace-assoc 'c aList '(x "this works too"))
  (and
    (= aList '((a 1 2 3) (b 4 5 99) (x "this works too")))
    (set 'lst '((a 1)(b 2)(c 3)))
    (= (replace-assoc 'b lst (list 'b (+ 1 (last $0))))
       '((a 1)(b 3)(c 3)))
    (= (replace-assoc 'b bList) '((a 1) (c 3)))
    (= (replace-assoc 'a bList) '((c 3)))
    (= (replace-assoc 'c bList) '())
  )
)

(define (test-reset )
  true)

(define (test-rest , l)
  (set 'l '(a b c d e f g))
  (and  (= (cons (first l) (rest l)) l)
    (= (rest "newlisp") "ewlisp")
;; implicit nrest
        (= (1 l) '(b c d e f g))
    (= (10 l) '())
    (= (0 l) l)
    (= (-3 '(a b c d e f g)) '(e f g))
        (= (-3 "abcdefg") "efg")
    (= (1 '(A)) '())
    (= (1 "A") "")
    (= (array 2 2 (sequence 3 6)) (rest (array 3 2 (sequence 1 6))))
))

(define (test-reverse )
  (and
    (= (reverse '(1 2 3)) '(3 2 1))
    (= (reverse "newLISP") "PSILwen")))

(define (test-rotate )
  (and
    (= '(8 9 0 1 2 3 4 5 6 7) (rotate '(0 1 2 3 4 5 6 7 8 9) 2))
    (= '() (rotate '()))
	(= (rotate '(1) -1) '(1))
	(= (rotate "") "")
	(= (rotate "x" -1) "x")
	(set 'str "abcdefg")
	(= (rotate str) "gabcdef")
	(= (rotate str 3) "defgabc")
	(= (rotate str -4) "abcdefg")
))

(define (test-round)
	(and
		(= (round 1.25)  (round 1.25 0) 1)
		(= (round 3.89) (round 3.89 0) 4)
		(= (round 123.49 2) 100)
		(= (round 123.49 1) 120)
		(= (round 123.49 0) 123)
		(= (round 123.49 -1) 123.5)
		(= (round 123.49 -2) 123.49)
		(= (round 123.49 -3) 123.49)
		(!= (round 123.49 -2) 123.49000000000001)
		(= (round 123.49 3)  0)))

(define (test-save )
  (and (save "all") (save "save.lsp" 'test-save) (delete-file "all") 
   (delete-file "save.lsp")))

(define (test-search , file)
  (and
    (set 'file (open "qa-dot" "read"))
    (search file "define")
    (close file)))

(define (test-seed )
  (seed 123)
  (set 'a (rand 10))
  (seed 123)
  (set 'b (rand 10))
  (= a b))

(define (test-seek , file chr)
  (set 'file (open "junk" "write"))
  (dotimes (x 100) 
   (write-char file x))
  (close file)
  (set 'file (open "junk" "read"))
  (seek file 65)
  (set 'chr (read-char file))
  (close file)
  (delete-file "junk")
  (= chr 65))

(define (test-select )
  (set 'l '(0 1 2 3 4 5 6 7 8 9))
  (and
    (test-select-collect)
    (= (select l '(0 9 9 0 1 8 8 1)) '(0 9 9 0 1 8 8 1))
    (= (select "2001-09-20" '(5 6 8 9 0 1 2 3)) "09202001")))

;; for testing semaphores accross processes/threads see test-share
(define (test-semaphore)
  (and
    (set 'sid (semaphore))
    (if (or (< opsys 5)(= opsys 9)) (= (semaphore sid) 0) true) ;; no semaphore status on Win32
    (semaphore sid 1)
    (if (or (< opsys 5)(= opsys 9)) (= (semaphore sid) 1) true) ;; no semaphore status on Win32
    (semaphore sid 0)))

(define (test-sequence )
  (= (sequence 1 10 3) '(1 4 7 10)))

(define (test-series )
  (and
    (= (series 2 2 5) '(2 4 8 16 32))
    (= (series 2 2 0) '())
    (= (series 1 2 -10) '())
    (= (series 1 1 5) '(1 1 1 1 1))
))

(define (test-set , x y z)
  (set 'x (set 'y (set 'z 123)))
  (= x 123))

(define (test-setq , x y z)
  (setq x 1 y 2 z 3)
  (and (= x 1) (= y 2) (= z 3)))

(define (test-set-nth-implicit) 
  (and
    (= (set-nth ("abcd" 0) "z") "zbcd")
    (= (set-nth ("abcd" -1) "z") "abcz")
    (= (set-nth ("abcd" 10) "z") "abcz")
    (= (set-nth ("abcd" -10) "z") "zbcd")
    (= (set-nth ("abcd" 0) "xyz") "xyzbcd")
    (= (set-nth ("abcd" -1) "xyz") "abcxyz")
    (= (set-nth ("abcd" 10) "xyz") "abcxyz")
    (= (set-nth ("abcd" -10) "xyz") "xyzbcd")
    (= (set-nth ("abcd" 1) (append $0 $0)) "abbcd")
    (set 'l '(1 (2 3) 4))
    (= (set-nth (l 0) 'new) '(new (2 3) 4))
    (= (nth 0 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (set-nth (l 1) 'new) '(1 new 4))
    (= (nth 1 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (set-nth (l 2) 'new) '(1 (2 3) new))
    (= (nth 2 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (set-nth (l 3) 'new) '(1 (2 3) new))
    (= (nth 3 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (set-nth (l 0 0) 'new) '(new (2 3) 4))
    (= (nth 0 0 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (set-nth (l 1 0) 'new) '(1 (new 3) 4))
    (= (nth 1 0 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (set-nth (l 1 1) 'new) '(1 (2 new) 4))
    (= (nth 1 1 l) 'new)
    (set 'l '((2 3) 4))
    (= (set-nth (l 0 0) 'new) '((new 3) 4))
    (= (nth 0 0 l) 'new)
    (set 'l '((2 3)))
    (= (set-nth (l 1 1) 'new) '((2 new)))
    (= (nth 1 1 l) 'new)
    (set 'l '((2 3)))
    (= (set-nth (l 2 3) 'new) '((2 new)))
    (= (nth 2 3 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (set-nth (l 0 0 0) 'new) '((new (3 4)) (5 6)))
    (= (nth 0 0 0 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (set-nth (l 0 0 1) 'new) '((new (3 4)) (5 6)))
    (= (nth 0 0 1 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (set-nth (l 0 1 1) 'new) '((2 (3 new)) (5 6)))
    (= (nth 0 1 1 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (set-nth (l 0 1) 'new) '((2 new) (5 6)))
    (= (nth 0 1 l) 'new)
	(set 'L '(1 2 3 4 5))
	(= (set-nth (L 3) (+ $0 1)) '(1 2 3 5 5))
	(set 'L '(a b c (d e f)))
	(= (set-nth (L 3) (set-nth (L 3) 99)) '(a b c (a b c 99)))
	(= (set 'L '()) '())
	(= (set-nth -1 L 99) '())
	(= (set-nth (L -1) 99) '())
	(set 'L '(()))
	(= (set-nth (L -1) 99) '(99))
	(set 'L '(()))
	(= (set-nth (L 0 0) 99) '(()))
	(set 'L '((1 2 3) (a b c)))
	(= (set 'aref (ref 'c L)) '(1 2))
	(= (set-nth (L aref) 99) '((1 2 3) (a b 99)))
	(set 'L '((1 2 3) (a b c)))
	(= (set-nth 1 (+ 1 1) L 99) '((1 2 3) (a b 99)))
	(= (set-nth (L 1 (+ 1 1)) 999) '((1 2 3) (a b 999)))	
	(= (set-nth (L (sequence 1 10000)) '@) '((1 2 3) (a b @)))
))

(define (test-set-nth) 
  (and
    (= (set-nth 0 "abcd" "z") "zbcd")
    (= (set-nth -1 "abcd" "z") "abcz")
    (= (set-nth 10 "abcd" "z") "abcz")
    (= (set-nth -10 "abcd" "z") "zbcd")
    (= (set-nth 0 "abcd" "xyz") "xyzbcd")
    (= (set-nth -1 "abcd" "xyz") "abcxyz")
    (= (set-nth (+ 3 7) "abcd" "xyz") "abcxyz")
    (= (set-nth -10 "abcd" "xyz") "xyzbcd")
    (= (set-nth 1 "abcd" (append $0 $0)) "abbcd")
    (set 'l '(1 (2 3) 4))
    (= (set-nth 0 l 'new) '(new (2 3) 4))
    (= (nth 0 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (set-nth 1 l 'new) '(1 new 4))
    (= (nth 1 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (set-nth 2 l 'new) '(1 (2 3) new))
    (= (nth 2 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (set-nth 3 l 'new) '(1 (2 3) new))
    (= (nth 3 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (set-nth 0 0 l 'new) '(new (2 3) 4))
    (= (nth 0 0 l) 'new)
    (set 'l '(1 (2 3) 4)) ;;;;
    (= (set-nth 1 0 l 'new) '(1 (new 3) 4))
    (= (nth 1 0 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (set-nth 1 1 l 'new) '(1 (2 new) 4))
    (= (nth 1 1 l) 'new)
    (set 'l '((2 3) 4))
    (= (set-nth 0 0 l 'new) '((new 3) 4))
    (= (nth 0 0 l) 'new)
    (set 'l '((2 3)))
    (= (set-nth 1 1 l 'new) '((2 new)))
    (= (nth 1 1 l) 'new)
    (set 'l '((2 3)))
    (= (set-nth 2 3 l 'new) '((2 new)))
    (= (nth 2 3 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (set-nth 0 0 0 l 'new) '((new (3 4)) (5 6)))
    (= (nth 0 0 0 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (set-nth 0 0 1 l 'new) '((new (3 4)) (5 6)))
    (= (nth 0 0 1 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (set-nth 0 1 1 l 'new) '((2 (3 new)) (5 6)))
    (= (nth 0 1 1 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (set-nth 0 1 l 'new) '((2 new) (5 6)))
    (= (nth 0 1 l) 'new)
	(set 'L '(1 2 3 4 5))
	(= (set-nth 3 L (+ $0 1)) '(1 2 3 5 5))
	(set 'L '(a b c (d e f)))
	(= (set-nth 3 L (set-nth 3 L 99)) '(a b c (a b c 99)))
	(test-set-nth-implicit)
))

(define (test-nth-set-implicit)
  (and
    (= (nth-set ("abcd" 0) "z") "a")
    (= (nth-set ("abcd" -1) "z") "d")
    (= (nth-set ("abcd" 10) "z") "d")
    (= (nth-set ("abcd" -10)"z") "a")
    (= (nth-set ("abcd" 0)"xyz") "a")
    (= (nth-set ("abcd" -1)"xyz") "d")
    (= (nth-set ("abcd" 10) "xyz") "d")
    (= (nth-set ("abcd" -10) "xyz") "a")
    (= (nth-set ("abcd" 1) (append $0 $0)) "b")
    (set 'l '(1 (2 3) 4))
    (= (nth-set (l 0) 'new) 1)
    (= (nth 0 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set  (l 1) 'new) '(2 3))
    (= (nth 1 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set (l 2) 'new) 4)
    (= (nth 2 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set (l 3) 'new) 4)
    (= (nth 3 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set (l 0 0) 'new) 1)
    (= (nth 0 0 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set (l 1 0) 'new) 2)
    (= (nth 1 0 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set (l 1 1) 'new) 3)
    (= (nth 1 1 l) 'new)
    (set 'l '((2 3) 4))
    (= (nth-set (l 0 0) 'new) 2)
    (= (nth 0 0 l) 'new)
    (set 'l '((2 3)))
    (= (nth-set (l 1 1) 'new) 3)
    (= (nth 1 1 l) 'new)
    (set 'l '((2 3)))
    (= (nth-set (l 2 3) 'new) 3)
    (= (nth 2 3 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (nth-set (l 0 0 0) 'new) 2)
    (= (nth 0 0 0 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (nth-set (l 0 0 1) 'new) 2)
    (= (nth 0 0 1 l) 'new) ;;;
    (set 'l '((2 (3 4))(5 6)))
    (= (nth-set (l 0 1 1) 'new) 4)
    (= (nth 0 1 1 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (nth-set (l 0 1) 'new) '(3 4))
    (= (nth 0 1 l) 'new)
	(set 'L '(a b c (d e f)))
	(nth-set (L 3) (nth-set (L 3) 99))
	(= L '(a b c (d e f)))
	(set 'L '((1 2 3) (a b c)))
	(= (set 'aref (ref 'c L)) '(1 2))
	(= (nth-set (L aref) 99) 'c)
))


(define (test-nth-set) 
  (and
    (= (nth-set 0 "abcd" "z") "a")
    (= (nth-set -1 "abcd" "z") "d")
    (= (nth-set (+ 3 7) "abcd" "z") "d")
    (= (nth-set -10 "abcd" "z") "a")
    (= (nth-set 0 "abcd" "xyz") "a")
    (= (nth-set -1 "abcd" "xyz") "d")
    (= (nth-set 10 "abcd" "xyz") "d")
    (= (nth-set -10 "abcd" "xyz") "a")
    (= (nth-set 1 "abcd" (append $0 $0)) "b")
    (set 'l '(1 (2 3) 4))
    (= (nth-set 0 l 'new) 1)
    (= (nth 0 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set 1 l 'new) '(2 3))
    (= (nth 1 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set 2 l 'new) 4)
    (= (nth 2 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set 3 l 'new) 4)
    (= (nth 3 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set 0 0 l 'new) 1)
    (= (nth 0 0 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set 1 0 l 'new) 2)
    (= (nth 1 0 l) 'new)
    (set 'l '(1 (2 3) 4))
    (= (nth-set 1 1 l 'new) 3)
    (= (nth 1 1 l) 'new)
    (set 'l '((2 3) 4))
    (= (nth-set 0 0 l 'new) 2)
    (= (nth 0 0 l) 'new)
    (set 'l '((2 3)))
    (= (nth-set 1 1 l 'new) 3)
    (= (nth 1 1 l) 'new)
    (set 'l '((2 3)))
    (= (nth-set 2 3 l 'new) 3)
    (= (nth 2 3 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (nth-set 0 0 0 l 'new) 2)
    (= (nth 0 0 0 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (nth-set 0 0 1 l 'new) 2)
    (= (nth 0 0 1 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (nth-set 0 1 1 l 'new) 4)
    (= (nth 0 1 1 l) 'new)
    (set 'l '((2 (3 4))(5 6)))
    (= (nth-set 0 1 l 'new) '(3 4))
    (= (nth 0 1 l) 'new)
	(set 'L '(a b c (d e f)))
	(nth-set 3 L (nth-set 3 L 99))
	(= L '(a b c (d e f)))
	(test-nth-set-implicit)
))

(define (test-share)
    (and 
      (if (or (< opsys 5)(= opsys 9))
          (unix-test-share)
          (win32-test-share))
      (set 'mvar (share))
      (share mvar 123)
      (= (share mvar) 123)
      (share mvar 123.456)
      (= (share mvar) 123.456)
      (share mvar "hello")
      (= (share mvar) "hello")))


(define (win32-test-share)
    (write-file "sharetest.lsp"
[text]
(map set '(sid mm) (map int (slice (main-args) 2)))
(if (= (share mm) "hello") (share mm "HELLO"))
(semaphore sid 1) ; signale parent to read
(exit)
[/text]
    )
  (and
    (set 'sid (semaphore))
    (set 'mm (share))
    (share mm "hello")
    (if (and (> opsys 5)(< opsys 9))
      (process (string "newlisp sharetest.lsp " sid " " mm))
      (process (string "./newlisp sharetest.lsp " sid " " mm)))
    (semaphore sid -1) ; wait for child process
    (sleep 1000)
    (semaphore sid 0) ;; delete semaphore
    (= (share mm) "HELLO")
    (or (delete-file "sharetest.lsp") true)))


(define (unix-test-share)
  (and
    (set 'mm (share))
    (share mm "hello")

    (wait-pid (fork (begin
            (if (= (share mm) "hello")
                (share mm "HELLO"))
                (exit ))))
		
    (= (share mm) "HELLO")
    (share nil mm) ; unmap share
))

(define (test-sgn)
 (and
   (= 0 (sgn 0))
   (= 1 (sgn 123))
   (= -1 (sgn -3.5))))


; test manually
(define (test-signal) true)

(define (test-silent )
  (primitive? silent))

(define (test-sin )
  (= 1 (sin (asin (sin (asin 1))))))

(define (test-sinh)
	(< (abs (sub (tanh 1) (div (sinh 1) (cosh 1))))  0.0000000001)
)

(define (test-sleep )
  (set 'start (time-of-day))
  (sleep 10)
  (set 'start (time-of-day))
  (sleep 1000)
  (set 'duration (- (time-of-day) start))
  (and (> duration 500) (< duration 1500)))

(define (test-slice )
(and 
   (set 'str "0123456789")
   (= (slice str 0 1) "0") 
   (= (slice str 0 3) "012") 
   (= (slice str 8 2) "89") 
   (= (slice str 8 10) "89") 
   (= (slice str 20 10) "")
   (= (slice str 2 -2) "234567")
   (= (slice str 2 -5) "234")
   (= (slice str 2 -7) "2")
   (= (slice str 2 -8) "")
   (= (slice str 2 -9) "")
   (= (slice '(a b c d e f g) 3 1) '(d))
   (= (slice '(a b c d e f g) 3 0) '())
   (= (slice '(a b c d e f g) 0 0) '())
   (= (slice '(a b c d e f g) 10 10) '())
   (= (slice '(a b c d e f g) 3 2) '(d e))
   (= (slice '(a b c d e f g) 5) '(f g))
   (= (slice '(a b c d e f g) -5 2) '(c d))
   (= (slice '(a b c d e f g) -1 -2) '())
   (= (slice '(a b c d e f g) 1 -2) '(b c d e))
   (= (slice '(a b c d e f g) 4 -2) '(e))
   (= (slice '(a b c d e f g) 4 -3) '())
   (= (slice '(a b c d e f g) 4 -4) '())
   (= (slice '(a b c d e f g) -6 -3) '(b c d))
;; implicit slice
   (= (1 3 '(a b c d e f g)) '(b c d))
   (= (-4 2 '(a b c d e f g)) '(d e))
   (= (1 3 "abcdefg") "bcd")
   (= (-4 2 "abcdefg") "de")
   (= (1 -3 "abcdefg") "bcd")
   (= (1 -5 "abcdefg") "b")
   (=  (1 -7 "abcdefg") "")
   (setq x 1 y 2)
   (= (x y '(a b c d e f g)) '(b c))
   (= (x y "abcdefg") "bc")
   (= (1 -2 '(a b c d e f g)) '(b c d e))
   (= (4 -2 '(a b c d e f g)) '(e))
   (= (4 -3 '(a b c d e f g)) '())
   (= (4 -4 '(a b c d e f g)) '())
   (= (-6 -3 '(a b c d e f g)) '(b c d))
))

(define (test-sort )
  (and
    (= '(1 2 3 4 5 6 7 8 9) (sort '(9 1 8 2 7 3 6 4 5)))
    (= '(1 2 3 4 5 6 7 8 9) (sort '(9 1 8 2 7 3 6 4 5)))
    (= '(1 2 3 4 5 6 7 8 9) (sort '(9 1 8 2 7 3 6 4 5) <))
    (= '(9 8 7 6 5 4 3 2 1) (sort '(9 1 8 2 7 3 6 4 5) >))
    (= '(1 2 3 4 5 6 7 8 9) (sort '(9 1 8 2 7 3 6 4 5) (fn (x y) (< x y))))
    (= '(9 8 7 6 5 4 3 2 1) (sort '(9 1 8 2 7 3 6 4 5) (fn (x y) (> x y))))
    (= '() (sort '()))
  )
)

(define (test-source) 
  (= (replace "\r|\n" (source 'test-sin) "" 0) 
     "(define (test-sin )  (= 1 (sin (asin (sin (asin 1))))))"))

(define (test-sqrt )
  (and (= 10 (sqrt 100)) (= 1.2 (sqrt 1.44))))

(define (test-starts-with )
  (and (starts-with "newlisp" "new") (starts-with "newlisp" "NEW" 
    nil)))

(define (test-string )
  (and (string? (string 12345)) (= (string 12345) "12345") (string? 
    (string 1.234)) 
   (= (string 'test-string) "test-string") 
   (string? (string test-string)) 
   (= (string "a" "b" "c") (append "a" "b" "c") "abc") 
   (= (string "a" 123 "b") "a123b")))

(define (test-string? )
  (and (string? "1234") (not (string? 1234))))

(define (test-sub )
  (= 0 (sub 0.99999999 0.99999999))
  (= -123 (sub 123)))

(define (test-swap )
  (set 'lst '(1 2 3 4))
  (and 
	(= (swap 1 2 lst) '(1 3 2 4)) 
	(= lst '(1 3 2 4))
    (let (a 1 b 2) (and (= (swap a b) 1) (= a 2) (= b 1)))
  )
)

(define (test-sym)
  (and (= (sym "test-sym") 'test-sym) 
       (= (sym "test-sym" 'QA) 'test-sym)))

(define (test-symbol? )
	(and
  		(symbol? (sym "test-symbol"))
		(symbol? (sym "a b"))
))

(define (test-symbols )
  (and (list? (symbols)) (> (length (symbols)) 0)))

(define (test-sys-error)
	(integer? (sys-error 0) ))

(define (test-sys-info )
   (and (list? (sys-info)) (= (length (sys-info)) 8)))

(define (test-tan )
  (> 1 (tan (atan (tan (atan 1))))))

(define (test-tanh)
	(< (abs (sub (sinh 1) (div (sub (exp 1) (exp -1)) 2))) 0.0000000001)
)

(define (test-throw )
  (and (catch (throw (+ 3 4)) 'msg) (= msg 7)))

(define (test-time )
  (integer? (time)))

(define (test-time-of-day )
  (integer? (time-of-day)))

(define (test-trace )
  (trace nil)
  (= nil (trace)))

(define (test-trace-highlight )
  (trace-highlight "#" "#"))

(define (test-transpose )
 (and
  (= '((1) (2) (3)) (transpose '((1 2 3))))
  (= '((a b) (c d) (e f)) (transpose '((a c e) (b d f))))
  (= '((a d f) (b e g) (c nil nil)) (transpose '((a b c) (d e) (f g))))
  (= '((a c f) (b d g)) (transpose '((a b) (c d e) (f g))))
;; transpose arrays
  (set 'A (array 2 3 (sequence 1 6)))
  (= (array-list (transpose A)) '((1 4) (2 5) (3 6))) 
))

(define (test-trim )
  (and 
    (= (trim "    hello    ") "hello") 
    (= (trim "----hello----" "-") "hello")
    (= (trim "----hello====" "-" "=") "hello")
    (= (trim "000012345" "0" "") "12345")))

(define (test-true?)
 (= (map true? '(x nil  1 nil "hi" ())) '(true nil true nil true nil)))

(define (test-unique )
  (= (unique '(2 3 4 4 6 7 8 7)) '(2 3 4 6 7 8)))

(define (test-unicode)
  (= (utf8 (unicode "newLISP")) "newLISP"))

(define (test-unify) 
	(and
		(= (unify 'X 123) '((X 123)))
        (= (unify '(Int Flt Str Sym Lst) '(123 4.56 "Hello" s '(a b c)))
                  '((Int 123) (Flt 4.56) (Str "Hello") (Sym s) (Lst '(a b c))))
		(= (unify 'A 'A) '())
		(= (unify '(A B "hello") '("hi" A Z)) '((A "hi") (B "hi") (Z "hello")))
		(= (unify '(A B) '(B abc)) '((A abc) (B abc)))
		(= (unify '(B A) '(abc B)) '((B abc) (A abc)))
		(= (unify '(A A C D) '(B C 1 C)) '((B 1) (A 1) (C 1) (D 1)))
		(= (unify '(D C A A) '(C 1 C B)) '((D 1) (C 1) (B 1) (A 1)))
		(= (unify '(f A) '(f (a b c))) '((A (a b c))))
		(= (unify '(A f) '((a b c) f)) '((A (a b c))))
		(= (unify '(f (g A)) '(f B)) '((B (g A))))
		(= (unify '(p X Y a) '(p Y X X)) '((Y a) (X a)))
		(= (unify '(p X Y) '(p Y X)) '((Y X)))
		(= (unify '(q (p X Y) (p Y X)) '(q Z Z)) '((Y X) (Z (p X X))))
		(= (unify '(f (g A) A) '(f B xyz)) '((B (g xyz)) (A xyz)))
		(= (unify '(A (g abc)) '(B A)) '((B (g abc)) (A (g abc))))
		;; with additional environment list
		(= (unify '(A (B) X) '(A (A) Z) '((A 1) (Z 4)))
		   '((A 1) (Z 4) (B 1) (X 4)))
))

(define (test-unless )
  (unless nil 
   true nil))

(define (test-unpack )
  (= (pack "c c c" 65 66 67) "ABC")
  (= (unpack "c c c" "ABC") '(65 66 67)))

(define (test-until , x)
  (set 'x 0)
  (= 10 (until (= x 10) (inc 'x)) x))

(define (test-do-until , x)
  (set 'x 0)
  (and 
   (= 10 (do-until (= x 10) (inc 'x)) x)
   (= 11 (do-until (> x 0) (inc 'x)) x)
))

(define (test-upper-case )
  (if (> opsys 4) 
   (= "ABCDEFGQ" (upper-case "abcdefgq")) 
   (= "ABCDEFGH" (upper-case "abcdefgh"))))

(define (test-utf8)
  (and
    (= (utf8 (unicode "newLISP")) "newLISP")
    (MAIN:utf8qa)))

(define (test-utf8len)
	(= 23 (utf8len MAIN:utf8str)))

(define (test-uuid)
    (= 36 (length (uuid))))

(define (test-wait-pid)
  (set 'pid (fork (begin (sleep 200)(exit))))
  (wait-pid pid))

(define (test-while , x)
  (and
    (set 'x 0)
    (= 1000 (while (< x 1000) (inc 'x)) x)
))

(define (test-do-while, x)
  (and
    (set 'x 0)
    (= 100 (do-while (< x 100) (inc 'x)) x)
    (= 101 (do-while (< x 100) (inc 'x)) x)
))

(define (test-write-buffer )
  (set 'str "")
  (dotimes (x 5) (write-buffer str "hello"))
  (and (= str "hellohellohellohellohello")
       (test-read-buffer)))

(define (test-write-char )
  (file-copy "qa-dot" "junk")
  (delete-file "junk"))

(define (test-write-file )
  (write-file "junk" "newlisp")
  (= (read-file "junk") "newlisp"))

(define (test-write-line ) 
  (and
    (set 'fle (open "testwrite" "w"))
    (write-line "hello" fle)
    (close fle)
    (set 'fle (open "testwrite" "r"))
    (= (read-line fle) "hello")
    (close fle)
    (delete-file "testwrite")  ))


(define (test-xml-error )
  (= (xml-error) nil))

(define (test-xml-parse )
  (= (xml-parse "<hello att='value'></hello>") '(("ELEMENT" "hello" 
     (("att" "value")) 
     ()))))

(define (test-xml-type-tags )
  (length (xml-type-tags) 4))

(define (test-zero?)
  (= (map zero? '(1 0 1.2 0.0)) '(nil true nil true)))

(define (test-| )
  (= (| -1431655766 1431655765) -1))

(define (test-~ )
  (and
    (= (~ 0) -1)
    (if 
        (and (> opsys 5) (< opsys 9)) ;; Win32 
        (= (format "%I64x" (~ 0xa0a0a0a0a0a0a0a0)) "5f5f5f5f5f5f5f5f")

        (= opsys 9)
        (= (format "%lx" (~ 0xa0a0a0a0a0a0a0a0)) "5f5f5f5f5f5f5f5f")

        (= (format "%llx" (~ 0xa0a0a0a0a0a0a0a0)) "5f5f5f5f5f5f5f5f"))
))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; MAIN ENTRY POINT ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(if (or (not (or (file? "newlisp") (file? "newlisp.exe"))) (not (file? "qa-dot")))
	(begin
		(println "both newlisp(.exe) and qa-dot should be in the current directory.")
		(exit)))

(cleanup)
(println)
(println "Testing built-in functions ...")
(println)
(qa)
(cleanup)

(context 'MAIN)

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(println)
(println "Testing contexts as objects and scoping rules ...")
(println)

;; check creating local symbols
;; in case they already exist in MAIN
(set 'var 123)
(set 'CTX:var 456)
(if (or (!= CTX:var 456) (!= var 123))
	(println ">>>>> problem creating local symbols"))

(set 'ctx CTX)

(global 'myprint)
(set 'myprint print)

;; following would fail without dynamic symbols for non-existing
;; contexts because 'accnt' is not a context at this moment
(define (report accnt)
    (list accnt:name accnt:balance))

;; late in ACCOUNT the definition of 'deposit' should
;; should not fail, locals should always be created for
;; the current context
(constant 'amount 999)
(constant 'stat 999)

;; the symbol defined should always be forced into the current
;; context, even if alread exists in MAIN, if not following
;; definition of 'deposit' would fail
(set 'deposit 999) 
(set 'clear 999)
(constant 'withdraw 999) 

(define balance 1000.00)
(constant 'phone "123-456-789")


(context 'ACCOUNT)
    (set 'ACCOUNT:name "")      ; force creation of local symbol with
    (define balance 0.0)  	; same name as built in primitive
    (constant 'phone "")     

    (define (deposit amount)
        (inc 'balance amount))

    (define (withdraw amount)
        (dec 'balance amount))
    
    ; make sure contexts are inherited
    ; but not variables containing contexts
    (if (not (context? CTX)) 
	(QA:failed ">>>> problem inheriting context symbols"))

    ; make sure context variables get not inherited
    (if (= ctx CTX) (QA:failed ">>>>> should not inherit context var"))
    
    (set 'ctx 123)

    ; make sure redefined primitives get inherited
    (if (not (primitive? myprint)) 
    	(QA:failed ">>>> problem inheriting redefined primitives"))

(set 'myprint nil)
   
(context 'MAIN)

;; make sure again that context defs did not overwrite MAIN symbols
(if (or (!= deposit 999) (!= clear 999) (!= withdraw 999) (!= stat 999) (!= ctx CTX)
        (not (primitive? name)) (!= balance 1000.0) (!= phone "123-456-789"))
	(QA:failed ">>>> context definitions are overwriting MAIN"))

(new ACCOUNT 'John true)     ; this creates a new context copy of 
                             ; ACCOUNT called 'John' if exists overwrite symbols

(set 'John:name "John Doe")
(set 'John:phone "555-123-456")

(John:deposit 100.00)
(John:withdraw 60)

(new ACCOUNT 'Anne true)

(set 'Anne:name "Anne Somebody")
(set 'Anne:phone "555-456-123")

(Anne:deposit 120.00)
(Anne:withdraw 50)
(if (or (!= John:balance 40) (!= Anne:balance 70))
	(QA:failed ">>>> problem with methods in contexts"))

(if (or (!= (report John) (list John:name John:balance))
        (!= (report Anne) (list Anne:name Anne:balance)))
    (QA:failed ">>>> problem using context variables"))

(if (!= (map report (map eval '(John Anne))) 
       '(("John Doe" 40) ("Anne Somebody" 70)) )
    (QA:failed ">>>> problem mapping functions using context vars"))


;; dynamic context var as symbol to be defined
;;
(define (defit)
	(define (ctx:foo x) (+ x x)))

(set 'ctx ACCOUNT)
(defit)
(if (!= (ctx:foo 10) 20) 
  (QA:failed ">>>> problem with dyna symbols in defined symbol"))


;; check setq, define (as set) and inc, dec on dynamic context vars
;;
(define (foo-set ct value) (set 'ct:var value))
(define (foo-setq ct value) (setq ct:var value))
(define (foo-define ct value) (define ct:var value))
(define (foo-inc ct value) (inc 'ct:var))
(define (foo-dec ct value) (dec 'ct:var))

(set 'CTX:var 0) ;; make sure var is existent
(foo-set CTX 1)
(if (!= 1 CTX:var) 
  (QA:failed ">>>> problem with set on context vars"))

(foo-setq CTX 3)
(if (!= 3 CTX:var) 
  (QA:failed ">>>> problem with setq on context vars"))

(foo-define CTX 4)
(if (!= 4 CTX:var) 
  (QA:failed ">>>> problem with define on context vars"))

(foo-inc CTX)
(if (!= 5 CTX:var) 
  (QA:failed ">>>> problem with inc on context vars"))

(foo-dec CTX)
(if (!= 4 CTX:var) 
  (QA:failed ">>>> problem with dec on context vars"))

;; dynamic context vars inside a context (since version 7.5.1)

(context 'TST)

(define (init ctx value)
	(set 'ctx:foo value))

;; since version 8.7.8 when calling a function in a context the current runtime
;; context changes
(define (test-context-change)
	(= (context) TST))

(context MAIN)

;; foo does not exist in CTX

(TST:init CTX 999)

(if (!= 999 CTX:foo) 
  (QA:failed ">>>> problem with dyna vars in contexts"))

;; now foo does exist
(TST:init CTX 222)

(if (!= 222 CTX:foo)
  (QA:failed ">>>> problem with dyna vars in contexts"))


(define (cdf:cdf a b) (+ a b))

(if (!= (cdf 3 4) 7) 
  (QA:failed ">>>> problem with context default vars"))

;; check for existence of dynamic context symbol

(define (check-sym-existence ctx)
  (if (symbol? 'ctx:foovar) ;; chack only, will not create 
    (QA:failed ">>>> problem with symbol? for dyna vars")))

(check-sym-existence CTX)

;; do not overwrite existing symbols

(set 'Actx:x 123)
(set 'Actx:y 456)
(set 'Bctx:x 999)

(new Actx Bctx)

(if (not (= Bctx:x 999))
  (QA:failed ">>>>> problem with new in overwriting symbols"))


;; delete contexts
 (if (not (and
        (delete ACCOUNT)
        (delete Anne)
        (delete John)
;		(map delete '(Actx Bctx cdf))
      ) )
    (QA:failed ">>>>> problem deleting contexts"))


;; define static default functions

(define foobar:foobar)

(define (def-static s contents)
   (def-new 'contents (sym (name s) s)))

(if (not 
  (and
    (def-static 'foobar (fn (x) (+ x x)))
    (= foobar:foobar (lambda (foobar:x) (+ foobar:x foobar:x)))
    (= (foobar 10) 20)))
  (QA:failed ">>>>> problem with static default function definition"))

;; calling into context changes context
(if (not TST:test-context-change)
  (QA:failed ">>>>> problem changing runtime context with symbol"))

;; but calling with raw lambda doesn't
(if ((eval TST:test-context-change))
  (QA:failed ">>>>> problem maintaining runtime context with lambda"))

;; apply evaluates functor
(if (not (apply 'TST:test-context-change))
  (QA:failed ">>>>> problem changing runtime context with apply symbol"))

;; apply evaluates functor
(if (apply TST:test-context-change)
  (QA:failed ">>>>> problem maintaining runtime context with apply lambda"))

;; map evaluates functor
(if (!= (map 'TST:test-context-change '(a b c)) '(true true true))
  (QA:failed ">>>>> problem changing runtime context with map symbol"))

;; map evaluates functor
(if (!= (map TST:test-context-change '(a b c)) '(nil nil nil))
  (QA:failed ">>>>> problem maintaining runtime context with map lambda"))


;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(println)>
(if QA:failed-messages
  (begin
    (println "TESTING: " (main-args 0) " FINISHED WITH ERRORS:")
    (println)
    (dolist (func (reverse QA:failed-messages))
        (println func)))
  (println "ALL FUNCTIONS FINISHED SUCCESSFULL: " (main-args 0)))

(println)
(delete-file "sharetest.lsp")
(delete-file "udptest.lsp")
(println "total time: " (- (time-of-day) start-of-qa))
(exit)
;; eof