ikarus/scheme/tests/enums.ss

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;;; Ikarus Scheme -- A compiler for R6RS Scheme.
;;; Copyright (C) 2006,2007 Abdulaziz Ghuloum
;;;
;;; This program is free software: you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License version 3 as
;;; published by the Free Software Foundation.
;;;
;;; This program is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
(library (tests enums)
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(export run-tests)
(import (ikarus))
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(define (run-tests)
(define (trace-equal? x y) (equal? x y))
(assert
(trace-equal?
(let* ([e (make-enumeration '(red green blue))]
[i (enum-set-indexer e)])
(list (i 'red) (i 'green) (i 'blue) (i 'yellow)))
'(0 1 2 #f)))
(assert
(trace-equal?
(let* ([e (make-enumeration '(red green blue))]
[c (enum-set-constructor e)])
(enum-set->list (c '())))
'()))
(assert
(trace-equal?
(let* ([e (make-enumeration '(red green blue))]
[c (enum-set-constructor e)])
(enum-set->list (c '(blue red))))
'(red blue)))
(assert
(trace-equal?
(let* ([e (make-enumeration '(red green blue))]
[c (enum-set-constructor e)])
(list
(enum-set-member? 'blue (c '(red blue)))
(enum-set-member? 'green (c '(red blue)))
(enum-set-subset? (c '(red blue)) e)
(enum-set-subset? (c '(red blue)) (c '(blue red)))
(enum-set-subset? (c '(red blue)) (c '(red)))
(enum-set=? (c '(red blue)) (c '(blue red)))))
'(#t #f #t #t #f #t)))
(assert
(trace-equal?
(let* ([e (make-enumeration '(red green blue))]
[c (enum-set-constructor e)])
(list
(enum-set->list (enum-set-union (c '(blue)) (c '(red))))
(enum-set->list (enum-set-intersection (c '(red green)) (c '(red blue))))
(enum-set->list (enum-set-difference (c '(red green)) (c '(red blue))))
(enum-set->list (enum-set-complement (c '(red))))))
'((red blue) (red) (green) (green blue))))
(assert
(trace-equal?
(let* ([e1 (make-enumeration '(red green blue black))]
[e2 (make-enumeration '(red black white))])
(enum-set->list (enum-set-projection e1 e2)))
'(red black)))))