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;; Filename : test-apply.scm
;; About : unit test for R5RS apply
;;
;; Copyright (C) 2005-2006 Kazuki Ohta <mover AT hct.zaq.ne.jp>
;; Copyright (c) 2007-2008 SigScheme Project <uim-en AT googlegroups.com>
;;
;; All rights reserved.
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions
;; are met:
;;
;; 1. Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;; 2. Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; 3. Neither the name of authors nor the names of its contributors
;; may be used to endorse or promote products derived from this software
;; without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
;; IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
;; THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
;; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
;; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
;; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
;; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
;; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
;; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
(require-extension (unittest))
(define tn test-name)
(tn "apply invalid form")
(assert-error (tn) (lambda () (apply #f '())))
(assert-error (tn) (lambda () (apply and '())))
(assert-error (tn) (lambda () (apply +)))
(assert-error (tn) (lambda () (apply + 1)))
(assert-error (tn) (lambda () (apply + 1 2)))
(assert-error (tn) (lambda () (apply + 1 2 3)))
(assert-error (tn) (lambda () (apply + 1 2 . 3)))
(tn "apply single-argument")
(assert-equal? (tn) 0 (apply + '()))
(assert-equal? (tn) 1 (apply + '(1)))
(assert-equal? (tn) 3 (apply + '(1 2)))
(assert-equal? (tn) 6 (apply + '(1 2 3)))
(tn "apply multi-arguments")
(assert-equal? (tn) 1 (apply + 1 '()))
(assert-equal? (tn) 3 (apply + 1 2 '()))
(assert-equal? (tn) 3 (apply + 1 '(2)))
(assert-equal? (tn) 6 (apply + 1 2 3 '()))
(assert-equal? (tn) 6 (apply + 1 2 '(3)))
(assert-equal? (tn) 6 (apply + 1 '(2 3)))
;; Further tests exist on bigloo-apply.scm
(tn "apply that returns multiple values")
(call-with-values
(lambda () (apply values '(1 2 3)))
(lambda vals
(assert-equal? (tn) '(1 2 3) vals)))
(call-with-values
(lambda () (apply values 1 2 '(3)))
(lambda vals
(assert-equal? (tn) '(1 2 3) vals)))
;; check apply
(assert-equal? "apply check1" #t (apply = '(1 1 1)))
(assert-equal? "apply check2" 6 (apply + `(1 2 ,(+ 1 2))))
(assert-equal? "apply check3" '(3) (apply cddr '((1 2 3))))
(assert-equal? "apply check4" #t (apply equal? '((1 2) (1 2))))
(assert-equal? "apply check5" "iu" (apply substring '("aiueo" 1 3)))
(assert-equal? "apply check6" 4 (apply (lambda (x y) (+ x y)) '(1 3)))
(assert-equal? "apply check7" 4 (apply (lambda (x y) (+ x y)) '(1 3)))
(assert-equal? "apply check8" '(1 2 3) (apply (lambda x x) '(1 2 3)))
(assert-equal? "apply check9" 1 (apply (lambda (x) x) '(1)))
(assert-equal? "apply check10" '(1) (apply (lambda x x) '(1)))
(assert-equal? "apply check11" 2 (apply (lambda x x 2) '(1)))
(assert-equal? "apply check12" '() (apply (lambda (a . b) b) '(1)))
(assert-equal? "apply check13" '(2) (apply (lambda (a . b) b) '(1 2)))
(assert-equal? "apply check13" '() (apply (lambda (a b . c) c) '(1 2)))
(define (dotarg-2 x . y)
(+ x (car y)))
(assert-equal? "sequence dot-arg func apply check" 4 (apply dotarg-2 '(1 3)))
(assert-equal? "sequence dot-arg func apply check" 4 (apply dotarg-2 '(1 3)))
(define compose
(lambda (f g)
(lambda args
(f (apply g args)))))
(assert-equal? "apply check5" "100" ((compose number->string *) 4 25))
(total-report)
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