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test-comparisons.sps
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;;; -*- coding: utf-8-unix -*-
;;;
;;;Part of: Nausicaa/Scheme
;;;Contents: tests for the (comparisons) library
;;;Date: Thu Aug 13, 2009
;;;
;;;Abstract
;;;
;;;
;;;
;;;Copyright (c) 2009 Marco Maggi <marco.maggi-ipsu@poste.it>
;;;
;;;This program is free software: you can redistribute it and/or modify
;;;it under the terms of the GNU General Public License as published by
;;;the Free Software Foundation, either version 3 of the License, or (at
;;;your option) any later version.
;;;
;;;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/>.
;;;
(import (nausicaa)
(nausicaa checks)
(nausicaa comparisons))
(check-set-mode! 'report-failed)
(display "*** testing comparisons\n")
(parameterise ((check-test-name 'examples))
(define-record-type length
(fields (immutable meters meters)))
(define-record-type box
(fields (immutable width width)
(immutable height height)
(immutable depth depth)))
(define-record-type bowl
(fields (immutable radius radius)
(immutable open? open?)))
(define (length-compare a b)
(real-compare (meters a) (meters b)))
(define (box-compare a b)
(refine-compare
(length-compare (width a) (width b))
(length-compare (height a) (height b))
(length-compare (depth a) (depth b))))
(define (length-doit2 op n m)
(let ((a (make-length n))
(b (make-length m)))
(op length-compare a b)))
(define (length-doit3 op p q r)
(let ((a (make-length p))
(b (make-length q))
(c (make-length r)))
(op length-compare a b c)))
(define (box-doit2 op w1 h1 d1 w2 h2 d2)
(let ((a (make-box (make-length w1) (make-length h1) (make-length d1)))
(b (make-box (make-length w2) (make-length h2) (make-length d2))))
(op box-compare a b)))
(define (container-compare c1 c2)
(select-compare c1 c2
(bowl? (boolean-compare (open? c1) (open? c2))
(length-compare (radius c1) (radius c2)))
(box? (box-compare c1 c2))
(else "neither bowls nor boxes" c1 c2)))
;;; --------------------------------------------------------------------
(check-for-true (length-doit2 <? 10 20))
(check-for-false (length-doit2 <? 10 10))
(check-for-false (length-doit2 <? 20 10))
(check-for-true (length-doit2 <=? 10 20))
(check-for-true (length-doit2 <=? 10 10))
(check-for-false (length-doit2 <=? 20 10))
(check-for-false (length-doit2 >? 10 20))
(check-for-false (length-doit2 >? 10 10))
(check-for-true (length-doit2 >? 20 10))
(check-for-false (length-doit2 >=? 10 20))
(check-for-true (length-doit2 >=? 10 10))
(check-for-true (length-doit2 >=? 20 10))
;;; --------------------------------------------------------------------
(check-for-false (length-doit3 </<=? 20 20 20))
(check-for-true (length-doit3 </<=? 10 20 20))
(check-for-false (length-doit3 </<=? 30 20 20))
(check-for-false (length-doit3 </<=? 20 10 20))
(check-for-false (length-doit3 </<=? 20 30 20))
(check-for-false (length-doit3 </<=? 20 20 10))
(check-for-false (length-doit3 </<=? 20 20 30))
(check-for-true (length-doit3 </<=? 10 20 30))
(check-for-false (length-doit3 </<=? 30 20 10))
(check-for-false (length-doit3 <=/<? 20 20 20))
(check-for-false (length-doit3 <=/<? 10 20 20))
(check-for-false (length-doit3 <=/<? 30 20 20))
(check-for-false (length-doit3 <=/<? 20 10 20))
(check-for-false (length-doit3 <=/<? 20 30 20))
(check-for-false (length-doit3 <=/<? 20 20 10))
(check-for-true (length-doit3 <=/<? 20 20 30))
(check-for-true (length-doit3 <=/<? 10 20 30))
(check-for-false (length-doit3 <=/<? 30 20 10))
(check-for-false (length-doit3 >/>=? 20 20 20))
(check-for-false (length-doit3 >/>=? 10 20 20))
(check-for-true (length-doit3 >/>=? 30 20 20))
(check-for-false (length-doit3 >/>=? 20 10 20))
(check-for-false (length-doit3 >/>=? 20 30 20))
(check-for-false (length-doit3 >/>=? 20 20 10))
(check-for-false (length-doit3 >/>=? 20 20 30))
(check-for-false (length-doit3 >/>=? 10 20 30))
(check-for-true (length-doit3 >/>=? 30 20 10))
(check-for-false (length-doit3 >=/>? 20 20 20))
(check-for-false (length-doit3 >=/>? 10 20 20))
(check-for-false (length-doit3 >=/>? 30 20 20))
(check-for-false (length-doit3 >=/>? 20 10 20))
(check-for-false (length-doit3 >=/>? 20 30 20))
(check-for-true (length-doit3 >=/>? 20 20 10))
(check-for-false (length-doit3 >=/>? 20 20 30))
(check-for-false (length-doit3 >=/>? 10 20 30))
(check-for-true (length-doit3 >=/>? 30 20 10))
;;; --------------------------------------------------------------------
(check-for-true (box-doit2 <? 10 10 10 20 20 20))
(check-for-true (box-doit2 <? 10 10 10 10 20 20))
(check-for-true (box-doit2 <? 10 10 10 10 10 20))
(check-for-false (box-doit2 <? 10 10 10 10 10 10))
(check-for-false (box-doit2 <? 20 10 10 10 10 10))
(check-for-false (box-doit2 <? 10 20 10 10 10 10))
(check-for-false (box-doit2 <? 10 10 20 10 10 10))
;;; --------------------------------------------------------------------
(check-for-true (<? container-compare
(make-box (make-length 10) (make-length 10) (make-length 10))
(make-box (make-length 20) (make-length 20) (make-length 20))))
(check-for-true (<? container-compare
(make-bowl (make-length 10) #t)
(make-bowl (make-length 20) #t)))
#t)
(parameterise ((check-test-name 'atoms))
(check (boolean-compare #t #t) => 0)
(check (boolean-compare #f #f) => 0)
(check (boolean-compare #f #t) => -1)
(check (boolean-compare #t #f) => +1)
;;; --------------------------------------------------------------------
(check (char-compare #\a #\a) => 0)
(check (char-compare #\a #\b) => -1)
(check (char-compare #\b #\a) => +1)
(check (char-compare #\A #\A) => 0)
(check (char-compare #\A #\B) => -1)
(check (char-compare #\B #\A) => +1)
(check (char-compare #\a #\A) => +1)
(check (char-compare #\A #\a) => -1)
(check (char-compare-ci #\a #\a) => 0)
(check (char-compare-ci #\a #\b) => -1)
(check (char-compare-ci #\b #\a) => +1)
(check (char-compare-ci #\A #\A) => 0)
(check (char-compare-ci #\A #\B) => -1)
(check (char-compare-ci #\B #\A) => +1)
(check (char-compare-ci #\a #\A) => 0)
(check (char-compare-ci #\A #\a) => 0)
;;; --------------------------------------------------------------------
(check (string-compare "a" "a") => 0)
(check (string-compare "a" "b") => -1)
(check (string-compare "b" "a") => +1)
(check (string-compare "A" "A") => 0)
(check (string-compare "A" "B") => -1)
(check (string-compare "B" "A") => +1)
(check (string-compare "a" "A") => +1)
(check (string-compare "A" "a") => -1)
(check (string-compare-ci "a" "a") => 0)
(check (string-compare-ci "a" "b") => -1)
(check (string-compare-ci "b" "a") => +1)
(check (string-compare-ci "A" "A") => 0)
(check (string-compare-ci "A" "B") => -1)
(check (string-compare-ci "B" "A") => +1)
(check (string-compare-ci "a" "A") => 0)
(check (string-compare-ci "A" "a") => 0)
;;; --------------------------------------------------------------------
(check (symbol-compare 'alpha 'alpha) => 0)
(check (symbol-compare 'alpha 'beta) => -1)
(check (symbol-compare 'beta 'alpha) => +1)
;;; --------------------------------------------------------------------
(check (integer-compare 1 1) => 0)
(check (integer-compare 1 2) => -1)
(check (integer-compare 2 1) => +1)
(check (rational-compare 1 1) => 0)
(check (rational-compare 1 2) => -1)
(check (rational-compare 2 1) => +1)
(check (rational-compare 1/3 1/3) => 0)
(check (rational-compare 1/3 2/3) => -1)
(check (rational-compare 2/3 1/3) => +1)
(check (real-compare 1 1) => 0)
(check (real-compare 1 2) => -1)
(check (real-compare 2 1) => +1)
(check (real-compare 1/3 1/3) => 0)
(check (real-compare 1/3 2/3) => -1)
(check (real-compare 2/3 1/3) => +1)
(check (real-compare 1. 1.) => 0)
(check (real-compare 1. 2.) => -1)
(check (real-compare 2. 1.) => +1)
(check (complex-compare 1 1) => 0)
(check (complex-compare 1 2) => -1)
(check (complex-compare 2 1) => +1)
(check (complex-compare 1/3 1/3) => 0)
(check (complex-compare 1/3 2/3) => -1)
(check (complex-compare 2/3 1/3) => +1)
(check (complex-compare 1. 1.) => 0)
(check (complex-compare 1. 2.) => -1)
(check (complex-compare 2. 1.) => +1)
(check (complex-compare 1+2i 1+2i) => 0)
(check (complex-compare 1+2i 2+2i) => -1)
(check (complex-compare 2+2i 1+2i) => +1)
(check (number-compare 1 1) => 0)
(check (number-compare 1 2) => -1)
(check (number-compare 2 1) => +1)
(check (number-compare 1/3 1/3) => 0)
(check (number-compare 1/3 2/3) => -1)
(check (number-compare 2/3 1/3) => +1)
(check (number-compare 1. 1.) => 0)
(check (number-compare 1. 2.) => -1)
(check (number-compare 2. 1.) => +1)
(check (number-compare 1+2i 1+2i) => 0)
(check (number-compare 1+2i 2+2i) => -1)
(check (number-compare 2+2i 1+2i) => +1)
(check
(guard (exc (else (condition-message exc)))
(integer-compare +nan.0 +nan.0))
=> "expected integer value")
(check
(guard (exc (else (condition-message exc)))
(rational-compare +nan.0 +nan.0))
=> "expected rational value")
(check (real-compare +nan.0 +nan.0) => +nan.0)
(check (real-compare +nan.0 1) => +nan.0)
(check (real-compare 1 +nan.0) => +nan.0)
(check (complex-compare +nan.0 +nan.0) => +nan.0)
(check (complex-compare +nan.0 1) => +nan.0)
(check (complex-compare 1 +nan.0) => +nan.0)
(check (number-compare +nan.0 +nan.0) => +nan.0)
(check (number-compare +nan.0 1) => +nan.0)
(check (number-compare 1 +nan.0) => +nan.0)
(check
(guard (exc (else (condition-message exc)))
(integer-compare +inf.0 +inf.0))
=> "expected integer value")
(check
(guard (exc (else (condition-message exc)))
(rational-compare +inf.0 +inf.0))
=> "expected rational value")
(check (real-compare +inf.0 +inf.0) => 0)
(check (real-compare +inf.0 1) => +1)
(check (real-compare 1 +inf.0) => -1)
(check (real-compare -inf.0 -inf.0) => 0)
(check (real-compare -inf.0 1) => -1)
(check (real-compare 1 -inf.0) => +1)
(check (complex-compare +inf.0 +inf.0) => 0)
(check (complex-compare +inf.0 1) => +1)
(check (complex-compare 1 +inf.0) => -1)
(check (complex-compare -inf.0 -inf.0) => 0)
(check (complex-compare -inf.0 1) => +1)
(check (complex-compare 1 -inf.0) => -1)
(check (number-compare +inf.0 +inf.0) => 0)
(check (number-compare +inf.0 1) => +1)
(check (number-compare 1 +inf.0) => -1)
(check (number-compare -inf.0 -inf.0) => 0)
(check (number-compare -inf.0 1) => +1)
(check (number-compare 1 -inf.0) => -1)
#t)
(parameterise ((check-test-name 'compound))
(check (list-compare '() '()) => 0)
(check (list-compare '(1) '()) => +1)
(check (list-compare '() '(1)) => -1)
(check (list-compare '(1) '(1)) => 0)
(check (list-compare '(1) '(2)) => -1)
(check (list-compare '(2) '(1)) => +1)
(check (list-compare '(1 1) '(1 1)) => 0)
(check (list-compare '(1 1) '(1 2)) => -1)
(check (list-compare '(1 2) '(1 1)) => +1)
(check (list-compare '(1 1 1) '(1 1)) => +1)
(check (list-compare '(1 1) '(1 1 1)) => -1)
(check (list-compare-as-vector '() '()) => 0)
(check (list-compare-as-vector '(1) '()) => +1)
(check (list-compare-as-vector '() '(1)) => -1)
(check (list-compare-as-vector '(1) '(1)) => 0)
(check (list-compare-as-vector '(1) '(2)) => -1)
(check (list-compare-as-vector '(2) '(1)) => +1)
(check (list-compare-as-vector '(1 1) '(1 1)) => 0)
(check (list-compare-as-vector '(1 1) '(1 2)) => -1)
(check (list-compare-as-vector '(1 2) '(1 1)) => +1)
(check (list-compare-as-vector '(1 1 1) '(1 1)) => +1)
(check (list-compare-as-vector '(1 1) '(1 1 1)) => -1)
(check (vector-compare '#() '#()) => 0)
(check (vector-compare '#(1) '#()) => +1)
(check (vector-compare '#() '#(1)) => -1)
(check (vector-compare '#(1) '#(1)) => 0)
(check (vector-compare '#(1) '#(2)) => -1)
(check (vector-compare '#(2) '#(1)) => +1)
(check (vector-compare '#(1 1) '#(1 1)) => 0)
(check (vector-compare '#(1 1) '#(1 2)) => -1)
(check (vector-compare '#(1 2) '#(1 1)) => +1)
(check (vector-compare '#(1 1 1) '#(1 1)) => +1)
(check (vector-compare '#(1 1) '#(1 1 1)) => -1)
(check (vector-compare '#(1 1 1) '#(2 1)) => +1)
(check (vector-compare-as-list '#() '#()) => 0)
(check (vector-compare-as-list '#(1) '#()) => +1)
(check (vector-compare-as-list '#() '#(1)) => -1)
(check (vector-compare-as-list '#(1) '#(1)) => 0)
(check (vector-compare-as-list '#(1) '#(2)) => -1)
(check (vector-compare-as-list '#(2) '#(1)) => +1)
(check (vector-compare-as-list '#(1 1) '#(1 1)) => 0)
(check (vector-compare-as-list '#(1 1) '#(1 2)) => -1)
(check (vector-compare-as-list '#(1 2) '#(1 1)) => +1)
(check (vector-compare-as-list '#(1 1 1) '#(1 1)) => +1)
(check (vector-compare-as-list '#(1 1) '#(1 1 1)) => -1)
(check (vector-compare-as-list '#(1 1 1) '#(2 1)) => -1)
;;; --------------------------------------------------------------------
(check
(let ((cmp (pair-compare-car real-compare)))
(cmp '(1 . 2) '(2 . 1)))
=> -1)
(check
(let ((cmp (pair-compare-cdr real-compare)))
(cmp '(1 . 2) '(2 . 1)))
=> +1)
(check (pair-compare real-compare real-compare '(1 . 1) '(1 . 1)) => 0)
(check (pair-compare real-compare real-compare '(1 . 1) '(2 . 1)) => -1)
(check (pair-compare real-compare real-compare '(2 . 1) '(1 . 1)) => +1)
(check (pair-compare real-compare real-compare '(1 . 1) '(1 . 2)) => -1)
(check (pair-compare real-compare real-compare '(1 . 2) '(1 . 1)) => +1)
(check (pair-compare real-compare '() '()) => 0)
(check (pair-compare real-compare '(1 . 1) '()) => +1)
(check (pair-compare real-compare '() '(1 . 1)) => -1)
(check (pair-compare real-compare '(1 . 1) '(1 . 1)) => 0)
(check (pair-compare real-compare '(1 . 1) '(2 . 1)) => -1)
(check (pair-compare real-compare '(2 . 1) '(1 . 1)) => +1)
(check (pair-compare real-compare '(1 . 1) '(1 . 2)) => -1)
(check (pair-compare real-compare '(1 . 2) '(1 . 1)) => +1)
(check (pair-compare '() '()) => 0)
(check (pair-compare '(1 . 1) '()) => +1)
(check (pair-compare '() '(1 . 1)) => -1)
(check (pair-compare '(1 . 1) '(1 . 1)) => 0)
(check (pair-compare '(1 . 1) '(2 . 1)) => -1)
(check (pair-compare '(2 . 1) '(1 . 1)) => +1)
(check (pair-compare '(1 . 1) '(1 . 2)) => -1)
(check (pair-compare '(1 . 2) '(1 . 1)) => +1)
#t)
(parameterise ((check-test-name 'default))
(check (default-compare '() '()) => 0)
(check (default-compare '(1 . 2) '()) => +1)
(check (default-compare '() '(1 . 2)) => -1)
(check (default-compare '(1 . 2) '(1 . 2)) => 0)
(check (default-compare '(1 . 2) #t) => -1)
(check (default-compare '(1 . 2) #f) => -1)
(check (default-compare #t '(1 . 2)) => +1)
(check (default-compare #f '(1 . 2)) => +1)
(check (default-compare #f #f) => 0)
(check (default-compare #t #t) => 0)
(check (default-compare #f #t) => -1)
(check (default-compare #t #f) => +1)
(check (default-compare #f #\a) => -1)
(check (default-compare #\a #f) => +1)
(check (default-compare "a" #\a) => +1)
(check (default-compare #\a "a") => -1)
(check (default-compare "a" 'a) => -1)
(check (default-compare 'a "a") => +1)
(check (default-compare 5 'a) => +1)
(check (default-compare 'a 5) => -1)
(check (default-compare 5 '#(4)) => -1)
(check (default-compare '#(4) 5) => +1)
(check (default-compare (eof-object) '#(4)) => +1)
(check (default-compare '#(4) (eof-object)) => -1)
#t)
(parameterise ((check-test-name 'default))
(check (refine-compare) => 0)
(check (refine-compare 1) => 1)
(check (refine-compare 0 2) => 2)
(check (refine-compare 0 0 2) => 2)
;;; --------------------------------------------------------------------
(check
(select-compare 1 1
(integer? 10)
(else 20))
=> 10)
(check
(select-compare 1 1.1
(integer? 10)
(else 20))
=> -1)
(check
(select-compare 1.1 1
(integer? 10)
(else 20))
=> +1)
(check
(select-compare 1.1 1.1
(integer? 10)
(else 20))
=> 20)
(check
(select-compare 1 1
(else 20))
=> 20)
(check
(select-compare 1 1)
=> 0)
;;; --------------------------------------------------------------------
(check
(cond-compare)
=> 0)
(check
(cond-compare
((#t #t) 10)
((#t #t) 20)
((#t #t) 30)
(else 40))
=> 10)
(check
(cond-compare
((#t #f) 10)
((#t #t) 20)
((#t #t) 30)
(else 40))
=> -1)
(check
(cond-compare
((#f #t) 10)
((#t #t) 20)
((#t #t) 30)
(else 40))
=> +1)
(check
(cond-compare
((#f #f) 10)
((#t #t) 20)
((#t #t) 30)
(else 40))
=> 20)
(check
(cond-compare
((#f #f) 10)
((#f #f) 20)
((#f #f) 30)
(else 40))
=> 40)
(check
(cond-compare
((#f #f) 10)
((#f #f) 20)
((#f #f) 30))
=> 0)
#t)
(check-report)
;;; end of file