1 ;;;; srfi-1.test --- Test suite for Guile's SRFI-1 functions. -*- scheme -*-
3 ;;;; Copyright 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
5 ;;;; This library is free software; you can redistribute it and/or
6 ;;;; modify it under the terms of the GNU Lesser General Public
7 ;;;; License as published by the Free Software Foundation; either
8 ;;;; version 3 of the License, or (at your option) any later version.
10 ;;;; This library is distributed in the hope that it will be useful,
11 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 ;;;; Lesser General Public License for more details.
15 ;;;; You should have received a copy of the GNU Lesser General Public
16 ;;;; License along with this library; if not, write to the Free Software
17 ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 (define-module (test-srfi-1)
20 #:use-module (test-suite lib)
21 #:use-module (srfi srfi-1))
24 (define (ref-delete x lst . proc)
25 "Reference implemenation of srfi-1 `delete'."
26 (set! proc (if (null? proc) equal? (car proc)))
31 (if (not (proc x (car lst)))
32 (set! ret (cons (car lst) ret)))))
34 (define (ref-delete-duplicates lst . proc)
35 "Reference implemenation of srfi-1 `delete-duplicates'."
36 (set! proc (if (null? proc) equal? (car proc)))
42 (let ((elem (car lst)))
43 (set! keep (cons elem keep))
44 (set! lst (ref-delete elem lst proc))))))
51 (with-test-prefix "alist-copy"
53 ;; return a list which is the pairs making up alist A, the spine and cells
54 (define (alist-pairs a)
58 (more (cdr a) (cons a result))
61 ;; return a list of the elements common to lists X and Y, compared with eq?
62 (define (common-elements x y)
66 (cons (car x) (common-elements (cdr x) y))
67 (common-elements (cdr x) y))))
69 ;; validate an alist-copy of OLD to NEW
70 ;; lists must be equal, and must comprise new pairs
71 (define (valid-alist-copy? old new)
73 (null? (common-elements old new))))
75 (pass-if-exception "too few args" exception:wrong-num-args
78 (pass-if-exception "too many args" exception:wrong-num-args
82 (pass-if old (valid-alist-copy? old (alist-copy old))))
84 (let ((old '((1 . 2))))
85 (pass-if old (valid-alist-copy? old (alist-copy old))))
87 (let ((old '((1 . 2) (3 . 4))))
88 (pass-if old (valid-alist-copy? old (alist-copy old))))
90 (let ((old '((1 . 2) (3 . 4) (5 . 6))))
91 (pass-if old (valid-alist-copy? old (alist-copy old)))))
97 (with-test-prefix "alist-delete"
99 (pass-if "equality call arg order"
101 (alist-delete 'k '((ak . 123))
103 (if (and (eq? k 'k) (eq? ak 'ak))
107 (pass-if "delete keys greater than 5"
108 (equal? '((4 . x) (5 . y))
109 (alist-delete 5 '((4 . x) (5 . y) (6 . z)) <)))
112 (equal? '() (alist-delete 'x '())))
115 (equal? '() (alist-delete 'y '((y . 1)))))
118 (equal? '((n . 1)) (alist-delete 'y '((n . 1)))))
121 (equal? '() (alist-delete 'y '((y . 1) (y . 2)))))
124 (equal? '((n . 1)) (alist-delete 'y '((n . 1) (y . 2)))))
127 (equal? '((n . 2)) (alist-delete 'y '((y . 1) (n . 2)))))
130 (equal? '((n . 1) (n . 2)) (alist-delete 'y '((n . 1) (n . 2)))))
133 (equal? '() (alist-delete 'y '((y . 1) (y . 2) (y . 3)))))
136 (equal? '((n . 1)) (alist-delete 'y '((n . 1) (y . 2) (y . 3)))))
139 (equal? '((n . 2)) (alist-delete 'y '((y . 1) (n . 2) (y . 3)))))
142 (equal? '((n . 1) (n . 2)) (alist-delete 'y '((n . 1) (n . 2) (y . 3)))))
145 (equal? '( (n . 3)) (alist-delete 'y '((y . 1) (y . 2) (n . 3)))))
148 (equal? '((n . 1) (n . 3)) (alist-delete 'y '((n . 1) (y . 2) (n . 3)))))
151 (equal? '((n . 2) (n . 3)) (alist-delete 'y '((y . 1) (n . 2) (n . 3)))))
154 (equal? '((n . 1) (n . 2) (n . 3)) (alist-delete 'y '((n . 1) (n . 2) (n . 3))))))
160 (with-test-prefix "append-map"
162 (with-test-prefix "one list"
165 (equal? '() (append-map noop '(()))))
168 (equal? '(1) (append-map noop '((1)))))
171 (equal? '(1 2) (append-map noop '((1 2)))))
174 (equal? '() (append-map noop '(() ()))))
177 (equal? '(1) (append-map noop '(() (1)))))
180 (equal? '(1 2) (append-map noop '(() (1 2)))))
183 (equal? '(1 2) (append-map noop '((1) (2)))))
186 (equal? '(1 2) (append-map noop '(() (1 2))))))
188 (with-test-prefix "two lists"
191 (equal? '() (append-map noop '(()) '(9))))
194 (equal? '(1) (append-map noop '((1)) '(9))))
196 (pass-if "() () / 9 9"
197 (equal? '() (append-map noop '(() ()) '(9 9))))
199 (pass-if "(1) (2) / 9"
200 (equal? '(1) (append-map noop '((1) (2)) '(9))))
202 (pass-if "(1) (2) / 9 9"
203 (equal? '(1 2) (append-map noop '((1) (2)) '(9 9))))))
209 (with-test-prefix "append-reverse"
211 ;; return a list which is the cars and cdrs of LST
212 (define (list-contents lst)
215 (cons* (car lst) (cdr lst) (list-contents (cdr lst)))))
217 (define (valid-append-reverse revhead tail want)
218 (let ((revhead-contents (list-contents revhead))
219 (got (append-reverse revhead tail)))
220 (and (equal? got want)
222 (equal? revhead-contents (list-contents revhead)))))
224 (pass-if-exception "too few args (0)" exception:wrong-num-args
227 (pass-if-exception "too few args (1)" exception:wrong-num-args
228 (append-reverse '(x)))
230 (pass-if-exception "too many args (3)" exception:wrong-num-args
231 (append-reverse '() '() #f))
233 (pass-if (valid-append-reverse '() '() '()))
234 (pass-if (valid-append-reverse '() '(1 2 3) '(1 2 3)))
236 (pass-if (valid-append-reverse '(1) '() '(1)))
237 (pass-if (valid-append-reverse '(1) '(2) '(1 2)))
238 (pass-if (valid-append-reverse '(1) '(2 3) '(1 2 3)))
240 (pass-if (valid-append-reverse '(1 2) '() '(2 1)))
241 (pass-if (valid-append-reverse '(1 2) '(3) '(2 1 3)))
242 (pass-if (valid-append-reverse '(1 2) '(3 4) '(2 1 3 4)))
244 (pass-if (valid-append-reverse '(1 2 3) '() '(3 2 1)))
245 (pass-if (valid-append-reverse '(1 2 3) '(4) '(3 2 1 4)))
246 (pass-if (valid-append-reverse '(1 2 3) '(4 5) '(3 2 1 4 5))))
252 (with-test-prefix "append-reverse!"
254 (pass-if-exception "too few args (0)" exception:wrong-num-args
257 (pass-if-exception "too few args (1)" exception:wrong-num-args
258 (append-reverse! '(x)))
260 (pass-if-exception "too many args (3)" exception:wrong-num-args
261 (append-reverse! '() '() #f))
263 (pass-if (equal? '() (append-reverse! '() '())))
264 (pass-if (equal? '(1 2 3) (append-reverse! '() '(1 2 3))))
266 (pass-if (equal? '(1) (append-reverse! '(1) '())))
267 (pass-if (equal? '(1 2) (append-reverse! '(1) '(2))))
268 (pass-if (equal? '(1 2 3) (append-reverse! '(1) '(2 3))))
270 (pass-if (equal? '(2 1) (append-reverse! '(1 2) '())))
271 (pass-if (equal? '(2 1 3) (append-reverse! '(1 2) '(3))))
272 (pass-if (equal? '(2 1 3 4) (append-reverse! '(1 2) '(3 4))))
274 (pass-if (equal? '(3 2 1) (append-reverse! '(1 2 3) '())))
275 (pass-if (equal? '(3 2 1 4) (append-reverse! '(1 2 3) '(4))))
276 (pass-if (equal? '(3 2 1 4 5) (append-reverse! '(1 2 3) '(4 5)))))
282 (with-test-prefix "assoc"
285 (let ((alist '((a . 1)
288 (eqv? #f (assoc 'z alist))))
291 (let ((alist '((a . 1)
294 (eqv? (second alist) (assoc 'b alist))))
296 ;; this was wrong in guile 1.8.0 (a gremlin newly introduced in the 1.8
297 ;; series, 1.6.x and earlier was ok)
298 (pass-if "= arg order"
299 (let ((alist '((b . 1)))
301 (assoc 'a alist (lambda (x y)
302 (set! good (and (eq? x 'a)
306 ;; likewise this one bad in guile 1.8.0
307 (pass-if "srfi-1 example <"
308 (let ((alist '((1 . a)
311 (eq? (third alist) (assoc 5 alist <)))))
317 (with-test-prefix "break"
319 (define (test-break lst want-v1 want-v2)
322 (break negative? lst))
323 (lambda (got-v1 got-v2)
324 (and (equal? got-v1 want-v1)
325 (equal? got-v2 want-v2)))))
328 (test-break '() '() '()))
331 (test-break '(1) '(1) '()))
334 (test-break '(-1) '() '(-1)))
337 (test-break '(1 2) '(1 2) '()))
340 (test-break '(-1 1) '() '(-1 1)))
343 (test-break '(1 -1) '(1) '(-1)))
346 (test-break '(-1 -2) '() '(-1 -2)))
349 (test-break '(1 2 3) '(1 2 3) '()))
352 (test-break '(-1 1 2) '() '(-1 1 2)))
355 (test-break '(1 -1 2) '(1) '(-1 2)))
358 (test-break '(-1 -2 1) '() '(-1 -2 1)))
361 (test-break '(1 2 -1) '(1 2) '(-1)))
364 (test-break '(-1 1 -2) '() '(-1 1 -2)))
367 (test-break '(1 -1 -2) '(1) '(-1 -2)))
370 (test-break '(-1 -2 -3) '() '(-1 -2 -3))))
376 (with-test-prefix "break!"
378 (define (test-break! lst want-v1 want-v2)
381 (break! negative? lst))
382 (lambda (got-v1 got-v2)
383 (and (equal? got-v1 want-v1)
384 (equal? got-v2 want-v2)))))
387 (test-break! '() '() '()))
390 (test-break! (list 1) '(1) '()))
393 (test-break! (list -1) '() '(-1)))
396 (test-break! (list 1 2) '(1 2) '()))
399 (test-break! (list -1 1) '() '(-1 1)))
402 (test-break! (list 1 -1) '(1) '(-1)))
405 (test-break! (list -1 -2) '() '(-1 -2)))
408 (test-break! (list 1 2 3) '(1 2 3) '()))
411 (test-break! (list -1 1 2) '() '(-1 1 2)))
414 (test-break! (list 1 -1 2) '(1) '(-1 2)))
417 (test-break! (list -1 -2 1) '() '(-1 -2 1)))
420 (test-break! (list 1 2 -1) '(1 2) '(-1)))
423 (test-break! (list -1 1 -2) '() '(-1 1 -2)))
426 (test-break! (list 1 -1 -2) '(1) '(-1 -2)))
429 (test-break! (list -1 -2 -3) '() '(-1 -2 -3))))
435 (with-test-prefix "car+cdr"
446 ;; concatenate and concatenate!
450 (define (common-tests concatenate-proc unmodified?)
451 (define (try lstlst want)
452 (let ((lstlst-copy (copy-tree lstlst))
453 (got (concatenate-proc lstlst)))
455 (if (not (equal? lstlst lstlst-copy))
456 (error "input lists modified")))
459 (pass-if-exception "too few args" exception:wrong-num-args
462 (pass-if-exception "too many args" exception:wrong-num-args
463 (concatenate-proc '() '()))
465 (pass-if-exception "number" exception:wrong-type-arg
466 (concatenate-proc 123))
468 (pass-if-exception "vector" exception:wrong-type-arg
469 (concatenate-proc #(1 2 3)))
474 (pass-if (try '((1)) '(1)))
475 (pass-if (try '((1 2)) '(1 2)))
476 (pass-if (try '(() (1)) '(1)))
477 (pass-if (try '(() () (1)) '(1)))
479 (pass-if (try '((1) (2)) '(1 2)))
480 (pass-if (try '(() (1 2)) '(1 2)))
482 (pass-if (try '((1) 2) '(1 . 2)))
483 (pass-if (try '((1) (2) 3) '(1 2 . 3)))
484 (pass-if (try '((1) (2) (3 . 4)) '(1 2 3 . 4)))
487 (with-test-prefix "concatenate"
488 (common-tests concatenate #t))
490 (with-test-prefix "concatenate!"
491 (common-tests concatenate! #f)))
497 (with-test-prefix "count"
498 (pass-if-exception "no args" exception:wrong-num-args
501 (pass-if-exception "one arg" exception:wrong-num-args
504 (with-test-prefix "one list"
508 (pass-if "empty list" (= 0 (count or1 '())))
510 (pass-if-exception "pred arg count 0" exception:wrong-num-args
511 (count (lambda () x) '(1 2 3)))
512 (pass-if-exception "pred arg count 2" exception:wrong-num-args
513 (count (lambda (x y) x) '(1 2 3)))
515 (pass-if-exception "improper 1" exception:wrong-type-arg
517 (pass-if-exception "improper 2" exception:wrong-type-arg
518 (count or1 '(1 . 2)))
519 (pass-if-exception "improper 3" exception:wrong-type-arg
520 (count or1 '(1 2 . 3)))
522 (pass-if (= 0 (count or1 '(#f))))
523 (pass-if (= 1 (count or1 '(#t))))
525 (pass-if (= 0 (count or1 '(#f #f))))
526 (pass-if (= 1 (count or1 '(#f #t))))
527 (pass-if (= 1 (count or1 '(#t #f))))
528 (pass-if (= 2 (count or1 '(#t #t))))
530 (pass-if (= 0 (count or1 '(#f #f #f))))
531 (pass-if (= 1 (count or1 '(#f #f #t))))
532 (pass-if (= 1 (count or1 '(#t #f #f))))
533 (pass-if (= 2 (count or1 '(#t #f #t))))
534 (pass-if (= 3 (count or1 '(#t #t #t)))))
536 (with-test-prefix "two lists"
541 (= 1 (count (lambda (x y)
546 (pass-if "empty lists" (= 0 (count or2 '() '())))
548 (pass-if-exception "pred arg count 0" exception:wrong-num-args
549 (count (lambda () #t) '(1 2 3) '(1 2 3)))
550 (pass-if-exception "pred arg count 1" exception:wrong-num-args
551 (count (lambda (x) x) '(1 2 3) '(1 2 3)))
552 (pass-if-exception "pred arg count 3" exception:wrong-num-args
553 (count (lambda (x y z) x) '(1 2 3) '(1 2 3)))
555 (pass-if-exception "improper first 1" exception:wrong-type-arg
556 (count or2 1 '(1 2 3)))
557 (pass-if-exception "improper first 2" exception:wrong-type-arg
558 (count or2 '(1 . 2) '(1 2 3)))
559 (pass-if-exception "improper first 3" exception:wrong-type-arg
560 (count or2 '(1 2 . 3) '(1 2 3)))
562 (pass-if-exception "improper second 1" exception:wrong-type-arg
563 (count or2 '(1 2 3) 1))
564 (pass-if-exception "improper second 2" exception:wrong-type-arg
565 (count or2 '(1 2 3) '(1 . 2)))
566 (pass-if-exception "improper second 3" exception:wrong-type-arg
567 (count or2 '(1 2 3) '(1 2 . 3)))
569 (pass-if (= 0 (count or2 '(#f) '(#f))))
570 (pass-if (= 1 (count or2 '(#t) '(#f))))
571 (pass-if (= 1 (count or2 '(#f) '(#t))))
573 (pass-if (= 0 (count or2 '(#f #f) '(#f #f))))
574 (pass-if (= 1 (count or2 '(#t #f) '(#t #f))))
575 (pass-if (= 2 (count or2 '(#t #t) '(#f #f))))
576 (pass-if (= 2 (count or2 '(#t #f) '(#f #t))))
578 (with-test-prefix "stop shortest"
579 (pass-if (= 2 (count or2 '(#t #f #t) '(#f #t))))
580 (pass-if (= 2 (count or2 '(#t #f #t #t) '(#f #t))))
581 (pass-if (= 2 (count or2 '(#t #f) '(#f #t #t))))
582 (pass-if (= 2 (count or2 '(#t #f) '(#f #t #t #t))))))
584 (with-test-prefix "three lists"
589 (= 1 (count (lambda (x y z)
595 (pass-if "empty lists" (= 0 (count or3 '() '() '())))
597 ;; currently bad pred argument gives wrong-num-args when 3 or more
598 ;; lists, as opposed to wrong-type-arg for 1 or 2 lists
599 (pass-if-exception "pred arg count 0" exception:wrong-num-args
600 (count (lambda () #t) '(1 2 3) '(1 2 3) '(1 2 3)))
601 (pass-if-exception "pred arg count 2" exception:wrong-num-args
602 (count (lambda (x y) x) '(1 2 3) '(1 2 3)'(1 2 3) ))
603 (pass-if-exception "pred arg count 4" exception:wrong-num-args
604 (count (lambda (w x y z) x) '(1 2 3) '(1 2 3) '(1 2 3)))
606 (pass-if-exception "improper first 1" exception:wrong-type-arg
607 (count or3 1 '(1 2 3) '(1 2 3)))
608 (pass-if-exception "improper first 2" exception:wrong-type-arg
609 (count or3 '(1 . 2) '(1 2 3) '(1 2 3)))
610 (pass-if-exception "improper first 3" exception:wrong-type-arg
611 (count or3 '(1 2 . 3) '(1 2 3) '(1 2 3)))
613 (pass-if-exception "improper second 1" exception:wrong-type-arg
614 (count or3 '(1 2 3) 1 '(1 2 3)))
615 (pass-if-exception "improper second 2" exception:wrong-type-arg
616 (count or3 '(1 2 3) '(1 . 2) '(1 2 3)))
617 (pass-if-exception "improper second 3" exception:wrong-type-arg
618 (count or3 '(1 2 3) '(1 2 . 3) '(1 2 3)))
620 (pass-if-exception "improper third 1" exception:wrong-type-arg
621 (count or3 '(1 2 3) '(1 2 3) 1))
622 (pass-if-exception "improper third 2" exception:wrong-type-arg
623 (count or3 '(1 2 3) '(1 2 3) '(1 . 2)))
624 (pass-if-exception "improper third 3" exception:wrong-type-arg
625 (count or3 '(1 2 3) '(1 2 3) '(1 2 . 3)))
627 (pass-if (= 0 (count or3 '(#f) '(#f) '(#f))))
628 (pass-if (= 1 (count or3 '(#t) '(#f) '(#f))))
629 (pass-if (= 1 (count or3 '(#f) '(#t) '(#f))))
630 (pass-if (= 1 (count or3 '(#f) '(#f) '(#t))))
632 (pass-if (= 0 (count or3 '(#f #f) '(#f #f) '(#f #f))))
634 (pass-if (= 1 (count or3 '(#t #f) '(#f #f) '(#f #f))))
635 (pass-if (= 1 (count or3 '(#f #t) '(#f #f) '(#f #f))))
636 (pass-if (= 1 (count or3 '(#f #f) '(#t #f) '(#f #f))))
637 (pass-if (= 1 (count or3 '(#f #f) '(#f #t) '(#f #f))))
638 (pass-if (= 1 (count or3 '(#f #f) '(#f #f) '(#t #f))))
639 (pass-if (= 1 (count or3 '(#f #f) '(#f #f) '(#f #t))))
641 (pass-if (= 2 (count or3 '(#t #t) '(#f #f) '(#f #f))))
642 (pass-if (= 2 (count or3 '(#f #f) '(#t #t) '(#f #f))))
643 (pass-if (= 2 (count or3 '(#f #f) '(#f #f) '(#t #t))))
644 (pass-if (= 2 (count or3 '(#f #f) '(#t #f) '(#f #t))))
646 (with-test-prefix "stop shortest"
647 (pass-if (= 0 (count or3 '() '(#t #t #t) '(#t #t))))
648 (pass-if (= 0 (count or3 '(#t #t #t) '() '(#t #t))))
649 (pass-if (= 0 (count or3 '(#t #t #t) '(#t #t) '())))
651 (pass-if (= 1 (count or3 '(#t) '(#t #t #t) '(#t #t))))
652 (pass-if (= 1 (count or3 '(#t #t #t) '(#t) '(#t #t))))
653 (pass-if (= 1 (count or3 '(#t #t #t) '(#t #t) '(#t)))))
655 (pass-if "apply list unchanged"
656 (let ((lst (list (list 1 2) (list 3 4) (list 5 6))))
657 (and (equal? 2 (apply count or3 lst))
659 (equal? '((1 2) (3 4) (5 6)) lst))))))
662 ;; delete and delete!
666 ;; Call (PROC lst) for all lists of length up to 6, with all combinations
667 ;; of elements to be retained or deleted. Elements to retain are numbers,
668 ;; 0 upwards. Elements to be deleted are #f.
669 (define (test-lists proc)
672 (do ((limit (ash 1 n))
676 (do ((bit 0 (1+ bit)))
678 (set! lst (cons (if (logbit? bit i) bit #f) lst)))
681 (define (common-tests delete-proc)
682 (pass-if-exception "too few args" exception:wrong-num-args
685 (pass-if-exception "too many args" exception:wrong-num-args
686 (delete-proc 0 '() equal? 99))
689 (eq? '() (delete-proc 0 '() equal?)))
693 (delete-proc '(2) '((1) (2) (3)) equal?)))
696 (equal? '((1) (2) (3))
697 (delete-proc '(2) '((1) (2) (3)) eq?)))
699 (pass-if "called arg order"
701 (delete-proc 3 '(1 2 3 4 5) <))))
703 (with-test-prefix "delete"
704 (common-tests delete)
708 (let ((lst-copy (list-copy lst)))
709 (with-test-prefix lst-copy
711 (equal? (delete #f lst equal?)
712 (ref-delete #f lst equal?)))
713 (pass-if "non-destructive"
714 (equal? lst-copy lst)))))))
716 (with-test-prefix "delete!"
717 (common-tests delete!)
722 (equal? (delete! #f lst)
723 (ref-delete #f lst)))))))
726 ;; delete-duplicates and delete-duplicates!
730 ;; Call (PROC lst) for all lists of length 1 <= n <= 4, with all
731 ;; combinations of numbers 1 to n in the elements
732 (define (test-lists proc)
735 (do ((limit (integer-expt n n))
740 (rem i (quotient rem n)))
742 (set! lst (cons (remainder rem n) lst)))
745 (define (common-tests delete-duplicates-proc)
746 (pass-if-exception "too few args" exception:wrong-num-args
747 (delete-duplicates-proc))
749 (pass-if-exception "too many args" exception:wrong-num-args
750 (delete-duplicates-proc '() equal? 99))
753 (eq? '() (delete-duplicates-proc '())))
755 (pass-if "equal? (the default)"
757 (delete-duplicates-proc '((2) (2) (2)))))
760 (equal? '((2) (2) (2))
761 (delete-duplicates-proc '((2) (2) (2)) eq?)))
763 (pass-if "called arg order"
765 (delete-duplicates-proc '(1 2 3 4 5)
772 (with-test-prefix "delete-duplicates"
773 (common-tests delete-duplicates)
777 (let ((lst-copy (list-copy lst)))
778 (with-test-prefix lst-copy
780 (equal? (delete-duplicates lst)
781 (ref-delete-duplicates lst)))
782 (pass-if "non-destructive"
783 (equal? lst-copy lst)))))))
785 (with-test-prefix "delete-duplicates!"
786 (common-tests delete-duplicates!)
791 (equal? (delete-duplicates! lst)
792 (ref-delete-duplicates lst)))))))
798 (with-test-prefix "drop"
801 (null? (drop '() 0)))
828 (pass-if "'(a b c) 1"
829 (let ((lst '(a b c)))
833 (pass-if "circular '(a) 0"
834 (let ((lst (circular-list 'a)))
838 (pass-if "circular '(a) 1"
839 (let ((lst (circular-list 'a)))
843 (pass-if "circular '(a) 2"
844 (let ((lst (circular-list 'a)))
848 (pass-if "circular '(a b) 1"
849 (let ((lst (circular-list 'a)))
853 (pass-if "circular '(a b) 2"
854 (let ((lst (circular-list 'a)))
858 (pass-if "circular '(a b) 5"
859 (let ((lst (circular-list 'a)))
863 (pass-if "'(a . b) 1"
867 (pass-if "'(a b . c) 1"
869 (drop '(a b . c) 2))))
875 (with-test-prefix "drop-right"
877 (pass-if-exception "() -1" exception:out-of-range
879 (pass-if (equal? '() (drop-right '() 0)))
880 (pass-if-exception "() 1" exception:wrong-type-arg
883 (pass-if-exception "(1) -1" exception:out-of-range
884 (drop-right '(1) -1))
885 (pass-if (equal? '(1) (drop-right '(1) 0)))
886 (pass-if (equal? '() (drop-right '(1) 1)))
887 (pass-if-exception "(1) 2" exception:wrong-type-arg
890 (pass-if-exception "(4 5) -1" exception:out-of-range
891 (drop-right '(4 5) -1))
892 (pass-if (equal? '(4 5) (drop-right '(4 5) 0)))
893 (pass-if (equal? '(4) (drop-right '(4 5) 1)))
894 (pass-if (equal? '() (drop-right '(4 5) 2)))
895 (pass-if-exception "(4 5) 3" exception:wrong-type-arg
896 (drop-right '(4 5) 3))
898 (pass-if-exception "(4 5 6) -1" exception:out-of-range
899 (drop-right '(4 5 6) -1))
900 (pass-if (equal? '(4 5 6) (drop-right '(4 5 6) 0)))
901 (pass-if (equal? '(4 5) (drop-right '(4 5 6) 1)))
902 (pass-if (equal? '(4) (drop-right '(4 5 6) 2)))
903 (pass-if (equal? '() (drop-right '(4 5 6) 3)))
904 (pass-if-exception "(4 5 6) 4" exception:wrong-type-arg
905 (drop-right '(4 5 6) 4))
907 (pass-if "(a b . c) 0"
908 (equal? (drop-right '(a b . c) 0) '(a b)))
909 (pass-if "(a b . c) 1"
910 (equal? (drop-right '(a b . c) 1) '(a))))
916 (with-test-prefix "drop-right!"
918 (pass-if-exception "() -1" exception:out-of-range
919 (drop-right! '() -1))
920 (pass-if (equal? '() (drop-right! '() 0)))
921 (pass-if-exception "() 1" exception:wrong-type-arg
924 (pass-if-exception "(1) -1" exception:out-of-range
925 (drop-right! (list 1) -1))
926 (pass-if (equal? '(1) (drop-right! (list 1) 0)))
927 (pass-if (equal? '() (drop-right! (list 1) 1)))
928 (pass-if-exception "(1) 2" exception:wrong-type-arg
929 (drop-right! (list 1) 2))
931 (pass-if-exception "(4 5) -1" exception:out-of-range
932 (drop-right! (list 4 5) -1))
933 (pass-if (equal? '(4 5) (drop-right! (list 4 5) 0)))
934 (pass-if (equal? '(4) (drop-right! (list 4 5) 1)))
935 (pass-if (equal? '() (drop-right! (list 4 5) 2)))
936 (pass-if-exception "(4 5) 3" exception:wrong-type-arg
937 (drop-right! (list 4 5) 3))
939 (pass-if-exception "(4 5 6) -1" exception:out-of-range
940 (drop-right! (list 4 5 6) -1))
941 (pass-if (equal? '(4 5 6) (drop-right! (list 4 5 6) 0)))
942 (pass-if (equal? '(4 5) (drop-right! (list 4 5 6) 1)))
943 (pass-if (equal? '(4) (drop-right! (list 4 5 6) 2)))
944 (pass-if (equal? '() (drop-right! (list 4 5 6) 3)))
945 (pass-if-exception "(4 5 6) 4" exception:wrong-type-arg
946 (drop-right! (list 4 5 6) 4)))
952 (with-test-prefix "drop-while"
954 (pass-if (equal? '() (drop-while odd? '())))
955 (pass-if (equal? '() (drop-while odd? '(1))))
956 (pass-if (equal? '() (drop-while odd? '(1 3))))
957 (pass-if (equal? '() (drop-while odd? '(1 3 5))))
959 (pass-if (equal? '(2) (drop-while odd? '(2))))
960 (pass-if (equal? '(2) (drop-while odd? '(1 2))))
961 (pass-if (equal? '(4) (drop-while odd? '(1 3 4))))
963 (pass-if (equal? '(2 1) (drop-while odd? '(2 1))))
964 (pass-if (equal? '(4 3) (drop-while odd? '(1 4 3))))
965 (pass-if (equal? '(4 1 3) (drop-while odd? '(4 1 3)))))
971 (with-test-prefix "eighth"
972 (pass-if-exception "() -1" exception:wrong-type-arg
973 (eighth '(a b c d e f g)))
974 (pass-if (eq? 'h (eighth '(a b c d e f g h))))
975 (pass-if (eq? 'h (eighth '(a b c d e f g h i)))))
981 (with-test-prefix "fifth"
982 (pass-if-exception "() -1" exception:wrong-type-arg
984 (pass-if (eq? 'e (fifth '(a b c d e))))
985 (pass-if (eq? 'e (fifth '(a b c d e f)))))
991 (with-test-prefix "filter-map"
993 (with-test-prefix "one list"
994 (pass-if-exception "'x" exception:wrong-type-arg
995 (filter-map noop 'x))
997 (pass-if-exception "'(1 . x)" exception:wrong-type-arg
998 (filter-map noop '(1 . x)))
1001 (equal? '(1) (filter-map noop '(1))))
1004 (equal? '() (filter-map noop '(#f))))
1007 (equal? '(1 2) (filter-map noop '(1 2))))
1010 (equal? '(2) (filter-map noop '(#f 2))))
1013 (equal? '() (filter-map noop '(#f #f))))
1016 (equal? '(1 2 3) (filter-map noop '(1 2 3))))
1019 (equal? '(2 3) (filter-map noop '(#f 2 3))))
1022 (equal? '(1 3) (filter-map noop '(1 #f 3))))
1025 (equal? '(1 2) (filter-map noop '(1 2 #f)))))
1027 (with-test-prefix "two lists"
1028 (pass-if-exception "'x '(1 2 3)" exception:wrong-type-arg
1029 (filter-map noop 'x '(1 2 3)))
1031 (pass-if-exception "'(1 2 3) 'x" exception:wrong-type-arg
1032 (filter-map noop '(1 2 3) 'x))
1034 (pass-if-exception "'(1 . x) '(1 2 3)" exception:wrong-type-arg
1035 (filter-map noop '(1 . x) '(1 2 3)))
1037 (pass-if-exception "'(1 2 3) '(1 . x)" exception:wrong-type-arg
1038 (filter-map noop '(1 2 3) '(1 . x)))
1040 (pass-if "(1 2 3) (4 5 6)"
1041 (equal? '(5 7 9) (filter-map + '(1 2 3) '(4 5 6))))
1043 (pass-if "(#f 2 3) (4 5)"
1044 (equal? '(2) (filter-map noop '(#f 2 3) '(4 5))))
1046 (pass-if "(4 #f) (1 2 3)"
1047 (equal? '(4) (filter-map noop '(4 #f) '(1 2 3))))
1049 (pass-if "() (1 2 3)"
1050 (equal? '() (filter-map noop '() '(1 2 3))))
1052 (pass-if "(1 2 3) ()"
1053 (equal? '() (filter-map noop '(1 2 3) '()))))
1055 (with-test-prefix "three lists"
1056 (pass-if-exception "'x '(1 2 3) '(1 2 3)" exception:wrong-type-arg
1057 (filter-map noop 'x '(1 2 3) '(1 2 3)))
1059 (pass-if-exception "'(1 2 3) 'x '(1 2 3)" exception:wrong-type-arg
1060 (filter-map noop '(1 2 3) 'x '(1 2 3)))
1062 (pass-if-exception "'(1 2 3) '(1 2 3) 'x" exception:wrong-type-arg
1063 (filter-map noop '(1 2 3) '(1 2 3) 'x))
1065 (pass-if-exception "'(1 . x) '(1 2 3) '(1 2 3)" exception:wrong-type-arg
1066 (filter-map noop '(1 . x) '(1 2 3) '(1 2 3)))
1068 (pass-if-exception "'(1 2 3) '(1 . x) '(1 2 3)" exception:wrong-type-arg
1069 (filter-map noop '(1 2 3) '(1 . x) '(1 2 3)))
1071 (pass-if-exception "'(1 2 3) '(1 2 3) '(1 . x)" exception:wrong-type-arg
1072 (filter-map noop '(1 2 3) '(1 2 3) '(1 . x)))
1074 (pass-if "(1 2 3) (4 5 6) (7 8 9)"
1075 (equal? '(12 15 18) (filter-map + '(1 2 3) '(4 5 6) '(7 8 9))))
1077 (pass-if "(#f 2 3) (4 5) (7 8 9)"
1078 (equal? '(2) (filter-map noop '(#f 2 3) '(4 5) '(7 8 9))))
1080 (pass-if "(#f 2 3) (7 8 9) (4 5)"
1081 (equal? '(2) (filter-map noop '(#f 2 3) '(7 8 9) '(4 5))))
1083 (pass-if "(4 #f) (1 2 3) (7 8 9)"
1084 (equal? '(4) (filter-map noop '(4 #f) '(1 2 3) '(7 8 9))))
1086 (pass-if "apply list unchanged"
1087 (let ((lst (list (list 1 #f 2) (list 3 4 5) (list 6 7 8))))
1088 (and (equal? '(1 2) (apply filter-map noop lst))
1090 (equal? lst '((1 #f 2) (3 4 5) (6 7 8))))))))
1096 (with-test-prefix "find"
1097 (pass-if (eqv? #f (find odd? '())))
1098 (pass-if (eqv? #f (find odd? '(0))))
1099 (pass-if (eqv? #f (find odd? '(0 2))))
1100 (pass-if (eqv? 1 (find odd? '(1))))
1101 (pass-if (eqv? 1 (find odd? '(0 1))))
1102 (pass-if (eqv? 1 (find odd? '(0 1 2))))
1103 (pass-if (eqv? 1 (find odd? '(2 0 1))))
1104 (pass-if (eqv? 1 (find (lambda (x) (= 1 x)) '(2 0 1)))))
1110 (with-test-prefix "find-tail"
1111 (pass-if (let ((lst '()))
1112 (eq? #f (find-tail odd? lst))))
1113 (pass-if (let ((lst '(0)))
1114 (eq? #f (find-tail odd? lst))))
1115 (pass-if (let ((lst '(0 2)))
1116 (eq? #f (find-tail odd? lst))))
1117 (pass-if (let ((lst '(1)))
1118 (eq? lst (find-tail odd? lst))))
1119 (pass-if (let ((lst '(1 2)))
1120 (eq? lst (find-tail odd? lst))))
1121 (pass-if (let ((lst '(2 1)))
1122 (eq? (cdr lst) (find-tail odd? lst))))
1123 (pass-if (let ((lst '(2 1 0)))
1124 (eq? (cdr lst) (find-tail odd? lst))))
1125 (pass-if (let ((lst '(2 0 1)))
1126 (eq? (cddr lst) (find-tail odd? lst))))
1127 (pass-if (let ((lst '(2 0 1)))
1128 (eq? (cddr lst) (find-tail (lambda (x) (= 1 x)) lst)))))
1134 (with-test-prefix "fold"
1135 (pass-if-exception "no args" exception:wrong-num-args
1138 (pass-if-exception "one arg" exception:wrong-num-args
1141 (pass-if-exception "two args" exception:wrong-num-args
1144 (with-test-prefix "one list"
1146 (pass-if "arg order"
1147 (eq? #t (fold (lambda (x prev)
1152 (pass-if "empty list" (= 123 (fold + 123 '())))
1154 (pass-if-exception "proc arg count 0" exception:wrong-num-args
1155 (fold (lambda () x) 123 '(1 2 3)))
1156 (pass-if-exception "proc arg count 1" exception:wrong-num-args
1157 (fold (lambda (x) x) 123 '(1 2 3)))
1158 (pass-if-exception "proc arg count 3" exception:wrong-num-args
1159 (fold (lambda (x y z) x) 123 '(1 2 3)))
1161 (pass-if-exception "improper 1" exception:wrong-type-arg
1163 (pass-if-exception "improper 2" exception:wrong-type-arg
1164 (fold + 123 '(1 . 2)))
1165 (pass-if-exception "improper 3" exception:wrong-type-arg
1166 (fold + 123 '(1 2 . 3)))
1168 (pass-if (= 3 (fold + 1 '(2))))
1169 (pass-if (= 6 (fold + 1 '(2 3))))
1170 (pass-if (= 10 (fold + 1 '(2 3 4)))))
1172 (with-test-prefix "two lists"
1174 (pass-if "arg order"
1175 (eq? #t (fold (lambda (x y prev)
1181 (pass-if "empty lists" (= 1 (fold + 1 '() '())))
1183 ;; currently bad proc argument gives wrong-num-args when 2 or more
1184 ;; lists, as opposed to wrong-type-arg for 1 list
1185 (pass-if-exception "proc arg count 2" exception:wrong-num-args
1186 (fold (lambda (x prev) x) 1 '(1 2 3) '(1 2 3)))
1187 (pass-if-exception "proc arg count 4" exception:wrong-num-args
1188 (fold (lambda (x y z prev) x) 1 '(1 2 3) '(1 2 3)))
1190 (pass-if-exception "improper first 1" exception:wrong-type-arg
1191 (fold + 1 1 '(1 2 3)))
1192 (pass-if-exception "improper first 2" exception:wrong-type-arg
1193 (fold + 1 '(1 . 2) '(1 2 3)))
1194 (pass-if-exception "improper first 3" exception:wrong-type-arg
1195 (fold + 1 '(1 2 . 3) '(1 2 3)))
1197 (pass-if-exception "improper second 1" exception:wrong-type-arg
1198 (fold + 1 '(1 2 3) 1))
1199 (pass-if-exception "improper second 2" exception:wrong-type-arg
1200 (fold + 1 '(1 2 3) '(1 . 2)))
1201 (pass-if-exception "improper second 3" exception:wrong-type-arg
1202 (fold + 1 '(1 2 3) '(1 2 . 3)))
1204 (pass-if (= 6 (fold + 1 '(2) '(3))))
1205 (pass-if (= 15 (fold + 1 '(2 3) '(4 5))))
1206 (pass-if (= 28 (fold + 1 '(2 3 4) '(5 6 7))))
1208 (with-test-prefix "stop shortest"
1209 (pass-if (= 13 (fold + 1 '(1 2 3) '(4 5))))
1210 (pass-if (= 13 (fold + 1 '(4 5) '(1 2 3))))
1211 (pass-if (= 11 (fold + 1 '(3 4) '(1 2 9 9))))
1212 (pass-if (= 11 (fold + 1 '(1 2 9 9) '(3 4)))))
1214 (pass-if "apply list unchanged"
1215 (let ((lst (list (list 1 2) (list 3 4))))
1216 (and (equal? 11 (apply fold + 1 lst))
1218 (equal? '((1 2) (3 4)) lst)))))
1220 (with-test-prefix "three lists"
1222 (pass-if "arg order"
1223 (eq? #t (fold (lambda (x y z prev)
1230 (pass-if "empty lists" (= 1 (fold + 1 '() '() '())))
1232 (pass-if-exception "proc arg count 3" exception:wrong-num-args
1233 (fold (lambda (x y prev) x) 1 '(1 2 3) '(1 2 3)'(1 2 3) ))
1234 (pass-if-exception "proc arg count 5" exception:wrong-num-args
1235 (fold (lambda (w x y z prev) x) 1 '(1 2 3) '(1 2 3) '(1 2 3)))
1237 (pass-if-exception "improper first 1" exception:wrong-type-arg
1238 (fold + 1 1 '(1 2 3) '(1 2 3)))
1239 (pass-if-exception "improper first 2" exception:wrong-type-arg
1240 (fold + 1 '(1 . 2) '(1 2 3) '(1 2 3)))
1241 (pass-if-exception "improper first 3" exception:wrong-type-arg
1242 (fold + 1 '(1 2 . 3) '(1 2 3) '(1 2 3)))
1244 (pass-if-exception "improper second 1" exception:wrong-type-arg
1245 (fold + 1 '(1 2 3) 1 '(1 2 3)))
1246 (pass-if-exception "improper second 2" exception:wrong-type-arg
1247 (fold + 1 '(1 2 3) '(1 . 2) '(1 2 3)))
1248 (pass-if-exception "improper second 3" exception:wrong-type-arg
1249 (fold + 1 '(1 2 3) '(1 2 . 3) '(1 2 3)))
1251 (pass-if-exception "improper third 1" exception:wrong-type-arg
1252 (fold + 1 '(1 2 3) '(1 2 3) 1))
1253 (pass-if-exception "improper third 2" exception:wrong-type-arg
1254 (fold + 1 '(1 2 3) '(1 2 3) '(1 . 2)))
1255 (pass-if-exception "improper third 3" exception:wrong-type-arg
1256 (fold + 1 '(1 2 3) '(1 2 3) '(1 2 . 3)))
1258 (pass-if (= 10 (fold + 1 '(2) '(3) '(4))))
1259 (pass-if (= 28 (fold + 1 '(2 5) '(3 6) '(4 7))))
1260 (pass-if (= 55 (fold + 1 '(2 5 8) '(3 6 9) '(4 7 10))))
1262 (with-test-prefix "stop shortest"
1263 (pass-if (= 28 (fold + 1 '(2 5 9) '(3 6) '(4 7))))
1264 (pass-if (= 28 (fold + 1 '(2 5) '(3 6 9) '(4 7))))
1265 (pass-if (= 28 (fold + 1 '(2 5) '(3 6) '(4 7 9)))))
1267 (pass-if "apply list unchanged"
1268 (let ((lst (list (list 1 2) (list 3 4) (list 5 6))))
1269 (and (equal? 22 (apply fold + 1 lst))
1271 (equal? '((1 2) (3 4) (5 6)) lst))))))
1277 (with-test-prefix "fold-right"
1281 (fold-right cons '() (iota 10))))
1283 (pass-if "two lists"
1284 (equal? (zip (iota 10) (map integer->char (iota 10)))
1285 (fold-right (lambda (x y z)
1286 (cons (list x y) z))
1289 (map integer->char (iota 10)))))
1291 (pass-if "tail-recursive"
1292 (= 1e6 (fold-right (lambda (x y) (+ 1 y))
1299 (with-test-prefix "unfold"
1303 (unfold (lambda (x) (>= x 10))
1309 (equal? (append (iota 10) '(tail 10))
1310 (unfold (lambda (x) (>= x 10))
1314 (lambda (seed) (list 'tail seed)))))
1316 (pass-if "tail-recursive"
1318 (pair? (unfold (lambda (x) (>= x 1e6))
1327 (with-test-prefix "length+"
1328 (pass-if-exception "too few args" exception:wrong-num-args
1330 (pass-if-exception "too many args" exception:wrong-num-args
1332 (pass-if (= 0 (length+ '())))
1333 (pass-if (= 1 (length+ '(x))))
1334 (pass-if (= 2 (length+ '(x y))))
1335 (pass-if (= 3 (length+ '(x y z))))
1336 (pass-if (not (length+ (circular-list 1))))
1337 (pass-if (not (length+ (circular-list 1 2))))
1338 (pass-if (not (length+ (circular-list 1 2 3)))))
1344 (with-test-prefix "last"
1346 (pass-if-exception "empty" exception:wrong-type-arg
1349 (eqv? 1 (last '(1))))
1350 (pass-if "two elems"
1351 (eqv? 2 (last '(1 2))))
1352 (pass-if "three elems"
1353 (eqv? 3 (last '(1 2 3))))
1354 (pass-if "four elems"
1355 (eqv? 4 (last '(1 2 3 4)))))
1361 (with-test-prefix "list="
1364 (eq? #t (list= eqv?)))
1366 (with-test-prefix "one list"
1369 (eq? #t (list= eqv? '())))
1371 (eq? #t (list= eqv? '(1))))
1372 (pass-if "two elems"
1373 (eq? #t (list= eqv? '(2)))))
1375 (with-test-prefix "two lists"
1377 (pass-if "empty / empty"
1378 (eq? #t (list= eqv? '() '())))
1380 (pass-if "one / empty"
1381 (eq? #f (list= eqv? '(1) '())))
1383 (pass-if "empty / one"
1384 (eq? #f (list= eqv? '() '(1))))
1386 (pass-if "one / one same"
1387 (eq? #t (list= eqv? '(1) '(1))))
1389 (pass-if "one / one diff"
1390 (eq? #f (list= eqv? '(1) '(2))))
1392 (pass-if "called arg order"
1394 (list= (lambda (x y)
1395 (set! good (and good (= (1+ x) y)))
1400 (with-test-prefix "three lists"
1402 (pass-if "empty / empty / empty"
1403 (eq? #t (list= eqv? '() '() '())))
1405 (pass-if "one / empty / empty"
1406 (eq? #f (list= eqv? '(1) '() '())))
1408 (pass-if "one / one / empty"
1409 (eq? #f (list= eqv? '(1) '(1) '())))
1411 (pass-if "one / diff / empty"
1412 (eq? #f (list= eqv? '(1) '(2) '())))
1414 (pass-if "one / one / one"
1415 (eq? #t (list= eqv? '(1) '(1) '(1))))
1417 (pass-if "two / two / diff"
1418 (eq? #f (list= eqv? '(1 2) '(1 2) '(1 99))))
1420 (pass-if "two / two / two"
1421 (eq? #t (list= eqv? '(1 2) '(1 2) '(1 2))))
1423 (pass-if "called arg order"
1425 (list= (lambda (x y)
1426 (set! good (and good (= (1+ x) y)))
1428 '(1 4) '(2 5) '(3 6))
1435 (with-test-prefix "list-copy"
1436 (pass-if (equal? '() (list-copy '())))
1437 (pass-if (equal? '(1 2) (list-copy '(1 2))))
1438 (pass-if (equal? '(1 2 3) (list-copy '(1 2 3))))
1439 (pass-if (equal? '(1 2 3 4) (list-copy '(1 2 3 4))))
1440 (pass-if (equal? '(1 2 3 4 5) (list-copy '(1 2 3 4 5))))
1442 ;; improper lists can be copied
1443 (pass-if (equal? 1 (list-copy 1)))
1444 (pass-if (equal? '(1 . 2) (list-copy '(1 . 2))))
1445 (pass-if (equal? '(1 2 . 3) (list-copy '(1 2 . 3))))
1446 (pass-if (equal? '(1 2 3 . 4) (list-copy '(1 2 3 . 4))))
1447 (pass-if (equal? '(1 2 3 4 . 5) (list-copy '(1 2 3 4 . 5)))))
1453 (with-test-prefix "list-index"
1454 (pass-if-exception "no args" exception:wrong-num-args
1457 (pass-if-exception "one arg" exception:wrong-num-args
1460 (with-test-prefix "one list"
1462 (pass-if "empty list" (eq? #f (list-index symbol? '())))
1464 (pass-if-exception "pred arg count 0" exception:wrong-num-args
1465 (list-index (lambda () x) '(1 2 3)))
1466 (pass-if-exception "pred arg count 2" exception:wrong-num-args
1467 (list-index (lambda (x y) x) '(1 2 3)))
1469 (pass-if-exception "improper 1" exception:wrong-type-arg
1470 (list-index symbol? 1))
1471 (pass-if-exception "improper 2" exception:wrong-type-arg
1472 (list-index symbol? '(1 . 2)))
1473 (pass-if-exception "improper 3" exception:wrong-type-arg
1474 (list-index symbol? '(1 2 . 3)))
1476 (pass-if (eqv? #f (list-index symbol? '(1))))
1477 (pass-if (eqv? 0 (list-index symbol? '(x))))
1479 (pass-if (eqv? #f (list-index symbol? '(1 2))))
1480 (pass-if (eqv? 0 (list-index symbol? '(x 1))))
1481 (pass-if (eqv? 1 (list-index symbol? '(1 x))))
1483 (pass-if (eqv? #f (list-index symbol? '(1 2 3))))
1484 (pass-if (eqv? 0 (list-index symbol? '(x 1 2))))
1485 (pass-if (eqv? 1 (list-index symbol? '(1 x 2))))
1486 (pass-if (eqv? 2 (list-index symbol? '(1 2 x)))))
1488 (with-test-prefix "two lists"
1494 (pass-if "arg order"
1495 (eqv? 0 (list-index (lambda (x y)
1500 (pass-if "empty lists" (eqv? #f (list-index sym2 '() '())))
1502 (pass-if-exception "pred arg count 0" exception:wrong-num-args
1503 (list-index (lambda () #t) '(1 2 3) '(1 2 3)))
1504 (pass-if-exception "pred arg count 1" exception:wrong-num-args
1505 (list-index (lambda (x) x) '(1 2 3) '(1 2 3)))
1506 (pass-if-exception "pred arg count 3" exception:wrong-num-args
1507 (list-index (lambda (x y z) x) '(1 2 3) '(1 2 3)))
1509 (pass-if-exception "improper first 1" exception:wrong-type-arg
1510 (list-index sym2 1 '(1 2 3)))
1511 (pass-if-exception "improper first 2" exception:wrong-type-arg
1512 (list-index sym2 '(1 . 2) '(1 2 3)))
1513 (pass-if-exception "improper first 3" exception:wrong-type-arg
1514 (list-index sym2 '(1 2 . 3) '(1 2 3)))
1516 (pass-if-exception "improper second 1" exception:wrong-type-arg
1517 (list-index sym2 '(1 2 3) 1))
1518 (pass-if-exception "improper second 2" exception:wrong-type-arg
1519 (list-index sym2 '(1 2 3) '(1 . 2)))
1520 (pass-if-exception "improper second 3" exception:wrong-type-arg
1521 (list-index sym2 '(1 2 3) '(1 2 . 3)))
1523 (pass-if (eqv? #f (list-index sym2 '(1) '(2))))
1524 (pass-if (eqv? 0 (list-index sym2 '(1) '(x))))
1526 (pass-if (eqv? #f (list-index sym2 '(1 2) '(3 4))))
1527 (pass-if (eqv? 0 (list-index sym2 '(1 2) '(x 3))))
1528 (pass-if (eqv? 1 (list-index sym2 '(1 2) '(3 x))))
1530 (pass-if (eqv? #f (list-index sym2 '(1 2 3) '(3 4 5))))
1531 (pass-if (eqv? 0 (list-index sym2 '(1 2 3) '(x 3 4))))
1532 (pass-if (eqv? 1 (list-index sym2 '(1 2 3) '(3 x 4))))
1533 (pass-if (eqv? 2 (list-index sym2 '(1 2 3) '(3 4 x))))
1535 (with-test-prefix "stop shortest"
1536 (pass-if (eqv? #f (list-index sym1 '(1 2 x) '(4 5))))
1537 (pass-if (eqv? #f (list-index sym2 '(4 5) '(1 2 x))))
1538 (pass-if (eqv? #f (list-index sym1 '(3 4) '(1 2 x y))))
1539 (pass-if (eqv? #f (list-index sym2 '(1 2 x y) '(3 4))))))
1541 (with-test-prefix "three lists"
1542 (define (sym1 x y z)
1544 (define (sym2 x y z)
1546 (define (sym3 x y z)
1549 (pass-if "arg order"
1550 (eqv? 0 (list-index (lambda (x y z)
1556 (pass-if "empty lists" (eqv? #f (list-index sym3 '() '() '())))
1558 ;; currently bad pred argument gives wrong-num-args when 3 or more
1559 ;; lists, as opposed to wrong-type-arg for 1 or 2 lists
1560 (pass-if-exception "pred arg count 0" exception:wrong-num-args
1561 (list-index (lambda () #t) '(1 2 3) '(1 2 3) '(1 2 3)))
1562 (pass-if-exception "pred arg count 2" exception:wrong-num-args
1563 (list-index (lambda (x y) x) '(1 2 3) '(1 2 3)'(1 2 3) ))
1564 (pass-if-exception "pred arg count 4" exception:wrong-num-args
1565 (list-index (lambda (w x y z) x) '(1 2 3) '(1 2 3) '(1 2 3)))
1567 (pass-if-exception "improper first 1" exception:wrong-type-arg
1568 (list-index sym3 1 '(1 2 3) '(1 2 3)))
1569 (pass-if-exception "improper first 2" exception:wrong-type-arg
1570 (list-index sym3 '(1 . 2) '(1 2 3) '(1 2 3)))
1571 (pass-if-exception "improper first 3" exception:wrong-type-arg
1572 (list-index sym3 '(1 2 . 3) '(1 2 3) '(1 2 3)))
1574 (pass-if-exception "improper second 1" exception:wrong-type-arg
1575 (list-index sym3 '(1 2 3) 1 '(1 2 3)))
1576 (pass-if-exception "improper second 2" exception:wrong-type-arg
1577 (list-index sym3 '(1 2 3) '(1 . 2) '(1 2 3)))
1578 (pass-if-exception "improper second 3" exception:wrong-type-arg
1579 (list-index sym3 '(1 2 3) '(1 2 . 3) '(1 2 3)))
1581 (pass-if-exception "improper third 1" exception:wrong-type-arg
1582 (list-index sym3 '(1 2 3) '(1 2 3) 1))
1583 (pass-if-exception "improper third 2" exception:wrong-type-arg
1584 (list-index sym3 '(1 2 3) '(1 2 3) '(1 . 2)))
1585 (pass-if-exception "improper third 3" exception:wrong-type-arg
1586 (list-index sym3 '(1 2 3) '(1 2 3) '(1 2 . 3)))
1588 (pass-if (eqv? #f (list-index sym3 '(#f) '(#f) '(#f))))
1589 (pass-if (eqv? 0 (list-index sym3 '(#f) '(#f) '(x))))
1591 (pass-if (eqv? #f (list-index sym3 '(#f #f) '(#f #f) '(#f #f))))
1592 (pass-if (eqv? 0 (list-index sym3 '(#f #f) '(#f #f) '(x #f))))
1593 (pass-if (eqv? 1 (list-index sym3 '(#f #f) '(#f #f) '(#f x))))
1595 (pass-if (eqv? #f (list-index sym3 '(#f #f #f) '(#f #f #f) '(#f #f #f))))
1596 (pass-if (eqv? 0 (list-index sym3 '(#f #f #f) '(#f #f #f) '(x #f #f))))
1597 (pass-if (eqv? 1 (list-index sym3 '(#f #f #f) '(#f #f #f) '(#f x #f))))
1598 (pass-if (eqv? 2 (list-index sym3 '(#f #f #f) '(#f #f #f) '(#f #f x))))
1600 (with-test-prefix "stop shortest"
1601 (pass-if (eqv? #f (list-index sym2 '() '(x x x) '(x x))))
1602 (pass-if (eqv? #f (list-index sym1 '(x x x) '() '(x x))))
1603 (pass-if (eqv? #f (list-index sym2 '(x x x) '(x x) '())))
1605 (pass-if (eqv? #f (list-index sym2 '(#t) '(#t x x) '(#t x))))
1606 (pass-if (eqv? #f (list-index sym1 '(#t x x) '(#t) '(#t x))))
1607 (pass-if (eqv? #f (list-index sym1 '(#t x x) '(#t x) '(#t)))))
1609 (pass-if "apply list unchanged"
1610 (let ((lst (list (list 1 2) (list 3 4) (list 5 6))))
1611 (and (equal? #f (apply list-index sym3 lst))
1613 (equal? '((1 2) (3 4) (5 6)) lst))))))
1619 (with-test-prefix "list-tabulate"
1621 (pass-if-exception "-1" exception:wrong-type-arg
1622 (list-tabulate -1 identity))
1624 (equal? '() (list-tabulate 0 identity)))
1626 (equal? '(0) (list-tabulate 1 identity)))
1628 (equal? '(0 1) (list-tabulate 2 identity)))
1630 (equal? '(0 1 2) (list-tabulate 3 identity)))
1632 (equal? '(0 1 2 3) (list-tabulate 4 identity)))
1633 (pass-if "string ref proc"
1634 (equal? '(#\a #\b #\c #\d) (list-tabulate 4
1636 (string-ref "abcd" i))))))
1642 (with-test-prefix "lset="
1644 ;; in guile 1.6.7 and earlier, lset= incorrectly demanded at least one
1647 (eq? #t (lset= eq?)))
1649 (with-test-prefix "one arg"
1652 (eq? #t (lset= eqv? '())))
1655 (eq? #t (lset= eqv? '(1))))
1658 (eq? #t (lset= eqv? '(1 2)))))
1660 (with-test-prefix "two args"
1663 (eq? #t (lset= eqv? '() '())))
1666 (eq? #t (lset= eqv? '(1) '(1))))
1669 (eq? #f (lset= eqv? '(1) '(2))))
1671 (pass-if "(1) (1 2)"
1672 (eq? #f (lset= eqv? '(1) '(1 2))))
1674 (pass-if "(1 2) (2 1)"
1675 (eq? #t (lset= eqv? '(1 2) '(2 1))))
1677 (pass-if "called arg order"
1679 (lset= (lambda (x y)
1680 (if (not (= x (1- y)))
1686 (with-test-prefix "three args"
1689 (eq? #t (lset= eqv? '() '() '())))
1691 (pass-if "(1) (1) (1)"
1692 (eq? #t (lset= eqv? '(1) '(1) '(1))))
1694 (pass-if "(1) (1) (2)"
1695 (eq? #f (lset= eqv? '(1) '(1) '(2))))
1697 (pass-if "(1) (1) (1 2)"
1698 (eq? #f (lset= eqv? '(1) '(1) '(1 2))))
1700 (pass-if "(1 2 3) (3 2 1) (1 3 2)"
1701 (eq? #t (lset= eqv? '(1 2 3) '(3 2 1) '(1 3 2))))
1703 (pass-if "called arg order"
1705 (lset= (lambda (x y)
1706 (if (not (= x (1- y)))
1709 '(1 1) '(2 2) '(3 3))
1716 (with-test-prefix "lset-adjoin"
1718 ;; in guile 1.6.7 and earlier, lset-adjoin didn't actually use the given
1719 ;; `=' procedure, all comparisons were just with `equal?
1721 (with-test-prefix "case-insensitive ="
1723 (pass-if "(\"x\") \"X\""
1724 (equal? '("x") (lset-adjoin string-ci=? '("x") "X"))))
1726 (pass-if "called arg order"
1728 (lset-adjoin (lambda (x y)
1729 (set! good (and (= x 1) (= y 2)))
1734 (pass-if (equal? '() (lset-adjoin = '())))
1736 (pass-if (equal? '(1) (lset-adjoin = '() 1)))
1738 (pass-if (equal? '(1) (lset-adjoin = '() 1 1)))
1740 (pass-if (equal? '(2 1) (lset-adjoin = '() 1 2)))
1742 (pass-if (equal? '(3 1 2) (lset-adjoin = '(1 2) 1 2 3 2 1)))
1744 (pass-if "apply list unchanged"
1745 (let ((lst (list 1 2)))
1746 (and (equal? '(2 1 3) (apply lset-adjoin = '(3) lst))
1748 (equal? '(1 2) lst))))
1750 (pass-if "(1 1) 1 1"
1751 (equal? '(1 1) (lset-adjoin = '(1 1) 1 1)))
1753 ;; duplicates among args are cast out
1755 (equal? '(1 2) (lset-adjoin = '(2) 1 1))))
1761 (with-test-prefix "lset-difference"
1763 (pass-if "called arg order"
1765 (lset-difference (lambda (x y)
1766 (set! good (and (= x 1) (= y 2)))
1775 (with-test-prefix "lset-difference!"
1777 (pass-if-exception "proc - num" exception:wrong-type-arg
1778 (lset-difference! 123 '(4)))
1779 (pass-if-exception "proc - list" exception:wrong-type-arg
1780 (lset-difference! (list 1 2 3) '(4)))
1782 (pass-if "called arg order"
1784 (lset-difference! (lambda (x y)
1785 (set! good (and (= x 1) (= y 2)))
1790 (pass-if (equal? '() (lset-difference! = '())))
1791 (pass-if (equal? '(1) (lset-difference! = (list 1))))
1792 (pass-if (equal? '(1 2) (lset-difference! = (list 1 2))))
1794 (pass-if (equal? '() (lset-difference! = (list ) '(3))))
1795 (pass-if (equal? '() (lset-difference! = (list 3) '(3))))
1796 (pass-if (equal? '(1) (lset-difference! = (list 1 3) '(3))))
1797 (pass-if (equal? '(1) (lset-difference! = (list 3 1) '(3))))
1798 (pass-if (equal? '(1) (lset-difference! = (list 1 3 3) '(3))))
1799 (pass-if (equal? '(1) (lset-difference! = (list 3 1 3) '(3))))
1800 (pass-if (equal? '(1) (lset-difference! = (list 3 3 1) '(3))))
1802 (pass-if (equal? '(1) (lset-difference! = (list 1 2 3) '(2 3))))
1803 (pass-if (equal? '(1) (lset-difference! = (list 1 2 3) '(3 2))))
1804 (pass-if (equal? '(1) (lset-difference! = (list 1 2 3) '(3) '(2))))
1805 (pass-if (equal? '(1) (lset-difference! = (list 1 2 3) '(2) '(3))))
1806 (pass-if (equal? '(1) (lset-difference! = (list 1 2 3) '(2) '(2 3))))
1807 (pass-if (equal? '(1) (lset-difference! = (list 1 2 3) '(2) '(3 2))))
1809 (pass-if (equal? '(1 2) (lset-difference! = (list 1 2 3) '(3) '(3))))
1810 (pass-if (equal? '(1 2) (lset-difference! = (list 1 3 2) '(3) '(3))))
1811 (pass-if (equal? '(1 2) (lset-difference! = (list 3 1 2) '(3) '(3))))
1813 (pass-if (equal? '(1 2 3) (lset-difference! = (list 1 2 3 4) '(4))))
1814 (pass-if (equal? '(1 2 3) (lset-difference! = (list 1 2 4 3) '(4))))
1815 (pass-if (equal? '(1 2 3) (lset-difference! = (list 1 4 2 3) '(4))))
1816 (pass-if (equal? '(1 2 3) (lset-difference! = (list 4 1 2 3) '(4))))
1818 (pass-if (equal? '(1 2) (lset-difference! = (list 1 2 3 4) '(4) '(3))))
1819 (pass-if (equal? '(1 2) (lset-difference! = (list 1 3 2 4) '(4) '(3))))
1820 (pass-if (equal? '(1 2) (lset-difference! = (list 3 1 2 4) '(4) '(3))))
1821 (pass-if (equal? '(1 2) (lset-difference! = (list 1 3 4 2) '(4) '(3))))
1822 (pass-if (equal? '(1 2) (lset-difference! = (list 3 1 4 2) '(4) '(3))))
1823 (pass-if (equal? '(1 2) (lset-difference! = (list 3 4 1 2) '(4) '(3)))))
1826 ;; lset-diff+intersection
1829 (with-test-prefix "lset-diff+intersection"
1831 (pass-if "called arg order"
1833 (lset-diff+intersection (lambda (x y)
1834 (set! good (and (= x 1) (= y 2)))
1840 ;; lset-diff+intersection!
1843 (with-test-prefix "lset-diff+intersection"
1845 (pass-if "called arg order"
1847 (lset-diff+intersection (lambda (x y)
1848 (set! good (and (= x 1) (= y 2)))
1854 ;; lset-intersection
1857 (with-test-prefix "lset-intersection"
1859 (pass-if "called arg order"
1861 (lset-intersection (lambda (x y)
1862 (set! good (and (= x 1) (= y 2)))
1868 ;; lset-intersection!
1871 (with-test-prefix "lset-intersection"
1873 (pass-if "called arg order"
1875 (lset-intersection (lambda (x y)
1876 (set! good (and (= x 1) (= y 2)))
1885 (with-test-prefix "lset-union"
1888 (eq? '() (lset-union eq?)))
1891 (equal? '(1 2 3) (lset-union eq? '(1 2 3))))
1894 (equal? '() (lset-union eq? '() '())))
1896 (pass-if "'() '(1 2 3)"
1897 (equal? '(1 2 3) (lset-union eq? '() '(1 2 3))))
1899 (pass-if "'(1 2 3) '()"
1900 (equal? '(1 2 3) (lset-union eq? '(1 2 3) '())))
1902 (pass-if "'(1 2 3) '(4 3 5)"
1903 (equal? '(5 4 1 2 3) (lset-union eq? '(1 2 3) '(4 3 5))))
1905 (pass-if "'(1 2 3) '(4) '(3 5))"
1906 (equal? '(5 4 1 2 3) (lset-union eq? '(1 2 3) '(4) '(3 5))))
1908 ;; in guile 1.6.7 and earlier, `=' was called with the arguments the wrong
1910 (pass-if "called arg order"
1912 (lset-union (lambda (x y)
1913 (set! good (and (= x 1) (= y 2)))
1922 (with-test-prefix "member"
1924 (pass-if-exception "no args" exception:wrong-num-args
1927 (pass-if-exception "one arg" exception:wrong-num-args
1930 (pass-if "1 (1 2 3)"
1931 (let ((lst '(1 2 3)))
1932 (eq? lst (member 1 lst))))
1934 (pass-if "2 (1 2 3)"
1935 (let ((lst '(1 2 3)))
1936 (eq? (cdr lst) (member 2 lst))))
1938 (pass-if "3 (1 2 3)"
1939 (let ((lst '(1 2 3)))
1940 (eq? (cddr lst) (member 3 lst))))
1942 (pass-if "4 (1 2 3)"
1943 (let ((lst '(1 2 3)))
1944 (eq? #f (member 4 lst))))
1946 (pass-if "called arg order"
1948 (member 1 '(2) (lambda (x y)
1949 (set! good (and (eqv? 1 x)
1957 (with-test-prefix "ninth"
1958 (pass-if-exception "() -1" exception:wrong-type-arg
1959 (ninth '(a b c d e f g h)))
1960 (pass-if (eq? 'i (ninth '(a b c d e f g h i))))
1961 (pass-if (eq? 'i (ninth '(a b c d e f g h i j)))))
1968 (with-test-prefix "not-pair?"
1970 (eq? #t (not-pair? 123)))
1972 (eq? #f (not-pair? '(x . y))))
1974 (eq? #t (not-pair? 'x))))
1980 (with-test-prefix "take"
1983 (null? (take '() 0)))
1986 (null? (take '(a) 0)))
1989 (null? (take '() 0)))
1991 (pass-if "'(a b c) 0"
1992 (null? (take '() 0)))
1997 (and (equal? '(a) got)
1998 (not (eq? lst got)))))
2004 (pass-if "'(a b c) 1"
2011 (and (equal? '(a b) got)
2012 (not (eq? lst got)))))
2014 (pass-if "'(a b c) 2"
2018 (pass-if "circular '(a) 0"
2020 (take (circular-list 'a) 0)))
2022 (pass-if "circular '(a) 1"
2024 (take (circular-list 'a) 1)))
2026 (pass-if "circular '(a) 2"
2028 (take (circular-list 'a) 2)))
2030 (pass-if "circular '(a b) 5"
2031 (equal? '(a b a b a)
2032 (take (circular-list 'a 'b) 5)))
2034 (pass-if "'(a . b) 1"
2038 (pass-if "'(a b . c) 1"
2040 (take '(a b . c) 1)))
2042 (pass-if "'(a b . c) 2"
2044 (take '(a b . c) 2))))
2050 (with-test-prefix "take-while"
2052 (pass-if (equal? '() (take-while odd? '())))
2053 (pass-if (equal? '(1) (take-while odd? '(1))))
2054 (pass-if (equal? '(1 3) (take-while odd? '(1 3))))
2055 (pass-if (equal? '(1 3 5) (take-while odd? '(1 3 5))))
2057 (pass-if (equal? '() (take-while odd? '(2))))
2058 (pass-if (equal? '(1) (take-while odd? '(1 2))))
2059 (pass-if (equal? '(1 3) (take-while odd? '(1 3 4))))
2061 (pass-if (equal? '() (take-while odd? '(2 1))))
2062 (pass-if (equal? '(1) (take-while odd? '(1 4 3))))
2063 (pass-if (equal? '() (take-while odd? '(4 1 3)))))
2069 (with-test-prefix "take-while!"
2071 (pass-if (equal? '() (take-while! odd? '())))
2072 (pass-if (equal? '(1) (take-while! odd? (list 1))))
2073 (pass-if (equal? '(1 3) (take-while! odd? (list 1 3))))
2074 (pass-if (equal? '(1 3 5) (take-while! odd? (list 1 3 5))))
2076 (pass-if (equal? '() (take-while! odd? (list 2))))
2077 (pass-if (equal? '(1) (take-while! odd? (list 1 2))))
2078 (pass-if (equal? '(1 3) (take-while! odd? (list 1 3 4))))
2080 (pass-if (equal? '() (take-while! odd? (list 2 1))))
2081 (pass-if (equal? '(1) (take-while! odd? (list 1 4 3))))
2082 (pass-if (equal? '() (take-while! odd? (list 4 1 3)))))
2088 (define (test-partition pred list kept-good dropped-good)
2089 (call-with-values (lambda ()
2090 (partition pred list))
2091 (lambda (kept dropped)
2092 (and (equal? kept kept-good)
2093 (equal? dropped dropped-good)))))
2095 (with-test-prefix "partition"
2097 (pass-if "with dropped tail"
2098 (test-partition even? '(1 2 3 4 5 6 7)
2099 '(2 4 6) '(1 3 5 7)))
2101 (pass-if "with kept tail"
2102 (test-partition even? '(1 2 3 4 5 6)
2105 (pass-if "with everything dropped"
2106 (test-partition even? '(1 3 5 7)
2109 (pass-if "with everything kept"
2110 (test-partition even? '(2 4 6)
2113 (pass-if "with empty list"
2114 (test-partition even? '()
2117 (pass-if "with reasonably long list"
2118 ;; the old implementation from SRFI-1 reference implementation
2119 ;; would signal a stack-overflow for a list of only 500 elements!
2120 (call-with-values (lambda ()
2122 (make-list 10000 1)))
2124 (and (= (length odd) 10000)
2125 (= (length even) 0)))))
2127 (pass-if-exception "with improper list"
2128 exception:wrong-type-arg
2129 (partition symbol? '(a b . c))))
2135 (define (test-partition! pred list kept-good dropped-good)
2136 (call-with-values (lambda ()
2137 (partition! pred list))
2138 (lambda (kept dropped)
2139 (and (equal? kept kept-good)
2140 (equal? dropped dropped-good)))))
2142 (with-test-prefix "partition!"
2144 (pass-if "with dropped tail"
2145 (test-partition! even? (list 1 2 3 4 5 6 7)
2146 '(2 4 6) '(1 3 5 7)))
2148 (pass-if "with kept tail"
2149 (test-partition! even? (list 1 2 3 4 5 6)
2152 (pass-if "with everything dropped"
2153 (test-partition! even? (list 1 3 5 7)
2156 (pass-if "with everything kept"
2157 (test-partition! even? (list 2 4 6)
2160 (pass-if "with empty list"
2161 (test-partition! even? '()
2164 (pass-if "with reasonably long list"
2165 ;; the old implementation from SRFI-1 reference implementation
2166 ;; would signal a stack-overflow for a list of only 500 elements!
2167 (call-with-values (lambda ()
2169 (make-list 10000 1)))
2171 (and (= (length odd) 10000)
2172 (= (length even) 0)))))
2174 (pass-if-exception "with improper list"
2175 exception:wrong-type-arg
2176 (partition! symbol? (cons* 'a 'b 'c))))
2182 (with-test-prefix "reduce"
2186 (ret (reduce (lambda (x prev)
2187 (set! calls (cons (list x prev) calls))
2190 (and (equal? calls '())
2195 (ret (reduce (lambda (x prev)
2196 (set! calls (cons (list x prev) calls))
2199 (and (equal? calls '())
2202 (pass-if "two elems"
2204 (ret (reduce (lambda (x prev)
2205 (set! calls (cons (list x prev) calls))
2208 (and (equal? calls '((3 2)))
2211 (pass-if "three elems"
2213 (ret (reduce (lambda (x prev)
2214 (set! calls (cons (list x prev) calls))
2217 (and (equal? calls '((4 3)
2221 (pass-if "four elems"
2223 (ret (reduce (lambda (x prev)
2224 (set! calls (cons (list x prev) calls))
2227 (and (equal? calls '((5 4)
2236 (with-test-prefix "reduce-right"
2240 (ret (reduce-right (lambda (x prev)
2241 (set! calls (cons (list x prev) calls))
2244 (and (equal? calls '())
2249 (ret (reduce-right (lambda (x prev)
2250 (set! calls (cons (list x prev) calls))
2253 (and (equal? calls '())
2256 (pass-if "two elems"
2258 (ret (reduce-right (lambda (x prev)
2259 (set! calls (cons (list x prev) calls))
2262 (and (equal? calls '((2 3)))
2265 (pass-if "three elems"
2267 (ret (reduce-right (lambda (x prev)
2268 (set! calls (cons (list x prev) calls))
2271 (and (equal? calls '((2 3)
2275 (pass-if "four elems"
2277 (ret (reduce-right (lambda (x prev)
2278 (set! calls (cons (list x prev) calls))
2281 (and (equal? calls '((2 3)
2290 (with-test-prefix "remove"
2292 (pass-if (equal? '() (remove odd? '())))
2293 (pass-if (equal? '() (remove odd? '(1))))
2294 (pass-if (equal? '(2) (remove odd? '(2))))
2296 (pass-if (equal? '() (remove odd? '(1 3))))
2297 (pass-if (equal? '(2) (remove odd? '(2 3))))
2298 (pass-if (equal? '(2) (remove odd? '(1 2))))
2299 (pass-if (equal? '(2 4) (remove odd? '(2 4))))
2301 (pass-if (equal? '() (remove odd? '(1 3 5))))
2302 (pass-if (equal? '(2) (remove odd? '(2 3 5))))
2303 (pass-if (equal? '(2) (remove odd? '(1 2 5))))
2304 (pass-if (equal? '(2 4) (remove odd? '(2 4 5))))
2306 (pass-if (equal? '(6) (remove odd? '(1 3 6))))
2307 (pass-if (equal? '(2 6) (remove odd? '(2 3 6))))
2308 (pass-if (equal? '(2 6) (remove odd? '(1 2 6))))
2309 (pass-if (equal? '(2 4 6) (remove odd? '(2 4 6)))))
2315 (with-test-prefix "remove!"
2317 (pass-if (equal? '() (remove! odd? '())))
2318 (pass-if (equal? '() (remove! odd? (list 1))))
2319 (pass-if (equal? '(2) (remove! odd? (list 2))))
2321 (pass-if (equal? '() (remove! odd? (list 1 3))))
2322 (pass-if (equal? '(2) (remove! odd? (list 2 3))))
2323 (pass-if (equal? '(2) (remove! odd? (list 1 2))))
2324 (pass-if (equal? '(2 4) (remove! odd? (list 2 4))))
2326 (pass-if (equal? '() (remove! odd? (list 1 3 5))))
2327 (pass-if (equal? '(2) (remove! odd? (list 2 3 5))))
2328 (pass-if (equal? '(2) (remove! odd? (list 1 2 5))))
2329 (pass-if (equal? '(2 4) (remove! odd? (list 2 4 5))))
2331 (pass-if (equal? '(6) (remove! odd? (list 1 3 6))))
2332 (pass-if (equal? '(2 6) (remove! odd? (list 2 3 6))))
2333 (pass-if (equal? '(2 6) (remove! odd? (list 1 2 6))))
2334 (pass-if (equal? '(2 4 6) (remove! odd? (list 2 4 6)))))
2340 (with-test-prefix "seventh"
2341 (pass-if-exception "() -1" exception:wrong-type-arg
2342 (seventh '(a b c d e f)))
2343 (pass-if (eq? 'g (seventh '(a b c d e f g))))
2344 (pass-if (eq? 'g (seventh '(a b c d e f g h)))))
2350 (with-test-prefix "sixth"
2351 (pass-if-exception "() -1" exception:wrong-type-arg
2352 (sixth '(a b c d e)))
2353 (pass-if (eq? 'f (sixth '(a b c d e f))))
2354 (pass-if (eq? 'f (sixth '(a b c d e f g)))))
2360 (with-test-prefix "split-at"
2362 (define (equal-values? lst thunk)
2363 (call-with-values thunk
2367 (pass-if-exception "() -1" exception:out-of-range
2369 (pass-if (equal-values? '(() ())
2370 (lambda () (split-at '() 0))))
2371 (pass-if-exception "() 1" exception:wrong-type-arg
2374 (pass-if-exception "(1) -1" exception:out-of-range
2376 (pass-if (equal-values? '(() (1)) (lambda () (split-at '(1) 0))))
2377 (pass-if (equal-values? '((1) ()) (lambda () (split-at '(1) 1))))
2378 (pass-if-exception "(1) 2" exception:wrong-type-arg
2381 (pass-if-exception "(4 5) -1" exception:out-of-range
2382 (split-at '(4 5) -1))
2383 (pass-if (equal-values? '(() (4 5)) (lambda () (split-at '(4 5) 0))))
2384 (pass-if (equal-values? '((4) (5)) (lambda () (split-at '(4 5) 1))))
2385 (pass-if (equal-values? '((4 5) ()) (lambda () (split-at '(4 5) 2))))
2386 (pass-if-exception "(4 5) 3" exception:wrong-type-arg
2387 (split-at '(4 5) 3))
2389 (pass-if-exception "(4 5 6) -1" exception:out-of-range
2390 (split-at '(4 5 6) -1))
2391 (pass-if (equal-values? '(() (4 5 6)) (lambda () (split-at '(4 5 6) 0))))
2392 (pass-if (equal-values? '((4) (5 6)) (lambda () (split-at '(4 5 6) 1))))
2393 (pass-if (equal-values? '((4 5) (6)) (lambda () (split-at '(4 5 6) 2))))
2394 (pass-if (equal-values? '((4 5 6) ()) (lambda () (split-at '(4 5 6) 3))))
2395 (pass-if-exception "(4 5 6) 4" exception:wrong-type-arg
2396 (split-at '(4 5 6) 4)))
2402 (with-test-prefix "split-at!"
2404 (define (equal-values? lst thunk)
2405 (call-with-values thunk
2409 (pass-if-exception "() -1" exception:out-of-range
2411 (pass-if (equal-values? '(() ())
2412 (lambda () (split-at! '() 0))))
2413 (pass-if-exception "() 1" exception:wrong-type-arg
2416 (pass-if-exception "(1) -1" exception:out-of-range
2417 (split-at! (list 1) -1))
2418 (pass-if (equal-values? '(() (1)) (lambda () (split-at! (list 1) 0))))
2419 (pass-if (equal-values? '((1) ()) (lambda () (split-at! (list 1) 1))))
2420 (pass-if-exception "(1) 2" exception:wrong-type-arg
2421 (split-at! (list 1) 2))
2423 (pass-if-exception "(4 5) -1" exception:out-of-range
2424 (split-at! (list 4 5) -1))
2425 (pass-if (equal-values? '(() (4 5)) (lambda () (split-at! (list 4 5) 0))))
2426 (pass-if (equal-values? '((4) (5)) (lambda () (split-at! (list 4 5) 1))))
2427 (pass-if (equal-values? '((4 5) ()) (lambda () (split-at! (list 4 5) 2))))
2428 (pass-if-exception "(4 5) 3" exception:wrong-type-arg
2429 (split-at! (list 4 5) 3))
2431 (pass-if-exception "(4 5 6) -1" exception:out-of-range
2432 (split-at! (list 4 5 6) -1))
2433 (pass-if (equal-values? '(() (4 5 6)) (lambda () (split-at! (list 4 5 6) 0))))
2434 (pass-if (equal-values? '((4) (5 6)) (lambda () (split-at! (list 4 5 6) 1))))
2435 (pass-if (equal-values? '((4 5) (6)) (lambda () (split-at! (list 4 5 6) 2))))
2436 (pass-if (equal-values? '((4 5 6) ()) (lambda () (split-at! (list 4 5 6) 3))))
2437 (pass-if-exception "(4 5 6) 4" exception:wrong-type-arg
2438 (split-at! (list 4 5 6) 4)))
2444 (with-test-prefix "span"
2446 (define (test-span lst want-v1 want-v2)
2449 (span positive? lst))
2450 (lambda (got-v1 got-v2)
2451 (and (equal? got-v1 want-v1)
2452 (equal? got-v2 want-v2)))))
2455 (test-span '() '() '()))
2458 (test-span '(1) '(1) '()))
2461 (test-span '(-1) '() '(-1)))
2464 (test-span '(1 2) '(1 2) '()))
2467 (test-span '(-1 1) '() '(-1 1)))
2470 (test-span '(1 -1) '(1) '(-1)))
2473 (test-span '(-1 -2) '() '(-1 -2)))
2476 (test-span '(1 2 3) '(1 2 3) '()))
2479 (test-span '(-1 1 2) '() '(-1 1 2)))
2482 (test-span '(1 -1 2) '(1) '(-1 2)))
2485 (test-span '(-1 -2 1) '() '(-1 -2 1)))
2488 (test-span '(1 2 -1) '(1 2) '(-1)))
2491 (test-span '(-1 1 -2) '() '(-1 1 -2)))
2494 (test-span '(1 -1 -2) '(1) '(-1 -2)))
2497 (test-span '(-1 -2 -3) '() '(-1 -2 -3))))
2503 (with-test-prefix "span!"
2505 (define (test-span! lst want-v1 want-v2)
2508 (span! positive? lst))
2509 (lambda (got-v1 got-v2)
2510 (and (equal? got-v1 want-v1)
2511 (equal? got-v2 want-v2)))))
2514 (test-span! '() '() '()))
2517 (test-span! (list 1) '(1) '()))
2520 (test-span! (list -1) '() '(-1)))
2523 (test-span! (list 1 2) '(1 2) '()))
2526 (test-span! (list -1 1) '() '(-1 1)))
2529 (test-span! (list 1 -1) '(1) '(-1)))
2532 (test-span! (list -1 -2) '() '(-1 -2)))
2535 (test-span! (list 1 2 3) '(1 2 3) '()))
2538 (test-span! (list -1 1 2) '() '(-1 1 2)))
2541 (test-span! (list 1 -1 2) '(1) '(-1 2)))
2544 (test-span! (list -1 -2 1) '() '(-1 -2 1)))
2547 (test-span! (list 1 2 -1) '(1 2) '(-1)))
2550 (test-span! (list -1 1 -2) '() '(-1 1 -2)))
2553 (test-span! (list 1 -1 -2) '(1) '(-1 -2)))
2556 (test-span! (list -1 -2 -3) '() '(-1 -2 -3))))
2562 (with-test-prefix "take!"
2564 (pass-if-exception "() -1" exception:out-of-range
2566 (pass-if (equal? '() (take! '() 0)))
2567 (pass-if-exception "() 1" exception:wrong-type-arg
2570 (pass-if-exception "(1) -1" exception:out-of-range
2572 (pass-if (equal? '() (take! '(1) 0)))
2573 (pass-if (equal? '(1) (take! '(1) 1)))
2574 (pass-if-exception "(1) 2" exception:wrong-type-arg
2577 (pass-if-exception "(4 5) -1" exception:out-of-range
2579 (pass-if (equal? '() (take! '(4 5) 0)))
2580 (pass-if (equal? '(4) (take! '(4 5) 1)))
2581 (pass-if (equal? '(4 5) (take! '(4 5) 2)))
2582 (pass-if-exception "(4 5) 3" exception:wrong-type-arg
2585 (pass-if-exception "(4 5 6) -1" exception:out-of-range
2586 (take! '(4 5 6) -1))
2587 (pass-if (equal? '() (take! '(4 5 6) 0)))
2588 (pass-if (equal? '(4) (take! '(4 5 6) 1)))
2589 (pass-if (equal? '(4 5) (take! '(4 5 6) 2)))
2590 (pass-if (equal? '(4 5 6) (take! '(4 5 6) 3)))
2591 (pass-if-exception "(4 5 6) 4" exception:wrong-type-arg
2592 (take! '(4 5 6) 4)))
2599 (with-test-prefix "take-right"
2601 (pass-if-exception "() -1" exception:out-of-range
2602 (take-right '() -1))
2603 (pass-if (equal? '() (take-right '() 0)))
2604 (pass-if-exception "() 1" exception:wrong-type-arg
2607 (pass-if-exception "(1) -1" exception:out-of-range
2608 (take-right '(1) -1))
2609 (pass-if (equal? '() (take-right '(1) 0)))
2610 (pass-if (equal? '(1) (take-right '(1) 1)))
2611 (pass-if-exception "(1) 2" exception:wrong-type-arg
2612 (take-right '(1) 2))
2614 (pass-if-exception "(4 5) -1" exception:out-of-range
2615 (take-right '(4 5) -1))
2616 (pass-if (equal? '() (take-right '(4 5) 0)))
2617 (pass-if (equal? '(5) (take-right '(4 5) 1)))
2618 (pass-if (equal? '(4 5) (take-right '(4 5) 2)))
2619 (pass-if-exception "(4 5) 3" exception:wrong-type-arg
2620 (take-right '(4 5) 3))
2622 (pass-if-exception "(4 5 6) -1" exception:out-of-range
2623 (take-right '(4 5 6) -1))
2624 (pass-if (equal? '() (take-right '(4 5 6) 0)))
2625 (pass-if (equal? '(6) (take-right '(4 5 6) 1)))
2626 (pass-if (equal? '(5 6) (take-right '(4 5 6) 2)))
2627 (pass-if (equal? '(4 5 6) (take-right '(4 5 6) 3)))
2628 (pass-if-exception "(4 5 6) 4" exception:wrong-type-arg
2629 (take-right '(4 5 6) 4))
2631 (pass-if "(a b . c) 0"
2632 (equal? (take-right '(a b . c) 0) 'c))
2633 (pass-if "(a b . c) 1"
2634 (equal? (take-right '(a b . c) 1) '(b . c))))
2640 (with-test-prefix "tenth"
2641 (pass-if-exception "() -1" exception:wrong-type-arg
2642 (tenth '(a b c d e f g h i)))
2643 (pass-if (eq? 'j (tenth '(a b c d e f g h i j))))
2644 (pass-if (eq? 'j (tenth '(a b c d e f g h i j k)))))
2650 (with-test-prefix "xcons"
2651 (pass-if (equal? '(y . x) (xcons 'x 'y))))