342 lines
9.7 KiB
Scheme
342 lines
9.7 KiB
Scheme
;;;
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;;; <selector-test.ss> ---- List selector tests
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;;; Time-stamp: <05/12/16 21:13:25 noel>
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;;;
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;;; Copyright (C) 2002 by Noel Welsh.
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;;;
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;;; This file is part of SRFI-1.
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;;; SRFI-1 is free software; you can redistribute it and/or
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;;; modify it under the terms of the GNU Lesser General Public
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;;; License as published by the Free Software Foundation; either
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;;; version 2.1 of the License, or (at your option) any later version.
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;;; SRFI-1 is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;; Lesser General Public License for more details.
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;;; You should have received a copy of the GNU Lesser General Public
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;;; License along with SRFI-1; if not, write to the Free Software
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;;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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;;; Author: Noel Welsh <noelwelsh@yahoo.com>
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;;
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;;
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;; Commentary:
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;; Originally created by:
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;; John David Stone
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;; Department of Mathematics and Computer Science
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;; Grinnell College
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;; stone@math.grin.edu
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(module selector-test
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mzscheme
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(require (planet "test.ss" ("schematics" "schemeunit.plt" 2))
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(lib "selector.ss" "srfi" "1"))
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(provide selector-tests)
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(define selector-tests
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(test-suite
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"List selector tests"
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;; FIRST
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(test-case
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"first:of-one"
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(check-eq? (first '(hafnium)) 'hafnium))
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(test-case
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"first:of-many"
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(check-eq? (first '(hahnium helium holmium hydrogen indium))
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'hahnium))
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;; SECOND
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(test-case
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"second:of-two"
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(check-eq? (second '(iodine iridium)) 'iridium))
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(test-case
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"second:of-many"
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(check-eq? (second '(iron krypton lanthanum lawrencium lead lithium))
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'krypton))
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;; THIRD
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(test-case
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"third:of-three"
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(check-eq? (third '(lutetium magnesium manganese))
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'manganese))
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(test-case
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"third:of-many"
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(check-eq? (third '(mendelevium mercury molybdenum neodymium neon
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neptunium nickel))
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'molybdenum))
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;; FOURTH
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(test-case
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"fourth:of-four"
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(check-eq? (fourth '(niobium nitrogen nobelium osmium))
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'osmium))
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(test-case
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"fourth:of-many"
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(check-eq? (fourth '(oxygen palladium phosphorus platinum plutonium
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polonium potassium praseodymium))
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'platinum))
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;; FIFTH
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(test-case
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"fifth:of-five"
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(check-eq? (fifth '(promethium protatctinium radium radon rhenium))
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'rhenium))
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(test-case
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"fifth:of-many"
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(check-eq? (fifth '(rhodium rubidium ruthenium rutherfordium samarium
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scandium selenium silicon silver))
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'samarium))
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;; SIXTH
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(test-case
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"sixth:of-six"
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(check-eq? (sixth '(sodium strontium sulfur tantalum technetium
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tellurium))
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'tellurium))
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(test-case
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"sixth:of-many"
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(check-eq? (sixth '(terbium thallium thorium thulium tin titanium
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tungsten uranium vanadium xenon))
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'titanium))
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;; SEVENTH
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(test-case
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"seventh:of-seven"
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(check-eq? (seventh '(ytterbium yttrium zinc zirconium acacia abele
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ailanthus))
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'ailanthus))
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(test-case
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"seventh:of-many"
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(check-eq? (seventh '(alder allspice almond apple apricot ash aspen
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avocado balsa balsam banyan))
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'aspen))
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;; EIGHTH
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(test-case
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"eighth:of-eight"
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(check-eq? (eighth '(basswood bay bayberry beech birch boxwood breadfruit
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buckeye))
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'buckeye))
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(test-case
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"eighth:of-many"
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(check-eq? (eighth '(butternut buttonwood cacao candleberry cashew cassia
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catalpa cedar cherry chestnut chinaberry
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chinquapin))
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'cedar))
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;; NINTH
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(test-case
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"ninth:of-nine"
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(check-eq? (ninth '(cinnamon citron clove coconut cork cottonwood cypress
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date dogwood))
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'dogwood))
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(test-case
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"ninth:of-many"
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(check-eq? (ninth '(ebony elder elm eucalyptus ficus fig fir frankincense
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ginkgo grapefruit guava gum hawthorn))
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'ginkgo))
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;; TENTH
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(test-case
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"tenth:of-ten"
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(check-eq? (tenth '(hazel hemlock henna hickory holly hornbeam ironwood
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juniper kumquat laburnum))
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'laburnum))
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(test-case
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"tenth:of-many"
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(check-eq? (tenth '(lancewood larch laurel lemon lime linden litchi
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locust logwood magnolia mahogany mango
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mangrove maple))
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'magnolia))
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;; CAR+CDR
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(test-case
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"car+cdr:pair"
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(let-values (((first second) (car+cdr (cons 'a 'b))))
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(check-eq? first 'a)
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(check-eq? second 'b)))
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(test-case
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"car+cdr:list"
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(let-values (((first second) (car+cdr (list 'a 'b))))
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(check-eq? first 'a)
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(check-equal? second (list 'b))))
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;; TAKE
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(test-case
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"take:all-of-list"
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(check-equal? (take '(medlar mimosa mulberry nutmeg oak) 5)
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'(medlar mimosa mulberry nutmeg oak)))
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(test-case
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"take:front-of-list"
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(check-equal? (take '(olive orange osier palm papaw peach pear) 5)
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'(olive orange osier palm papaw)))
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(test-case
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"take:rear-of-list"
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(check-equal?
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(take-right '(pecan persimmon pine pistachio plane plum pomegranite) 5)
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'(pine pistachio plane plum pomegranite)))
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(test-case
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"take:none-of-list"
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(check-true (null? (take '(poplar quince redwood) 0))))
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(test-case
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"take:empty-list"
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(check-true (null? (take '() 0))))
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;; DROP
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(test-case
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"drop:all-of-list"
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(check-true (null? (drop '(rosewood sandalwood sassfras satinwood senna) 5))))
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(test-case
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"drop:front-of-list"
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(check-equal? (drop '(sequoia serviceberry spruce sycamore tamarack tamarind
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tamarugo)
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5)
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'(tamarind tamarugo)))
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(test-case
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"drop:rear-of-list"
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(check-equal? (drop-right '(tangerine teak thuja torchwood upas walnut wandoo) 5)
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'(tangerine teak)))
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(test-case
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"drop:none-of-list"
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(check-equal? (drop '(whitebeam whitethorn wicopy) 0)
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'(whitebeam whitethorn wicopy)))
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(test-case
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"drop:empty-list"
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(check-true (null? (drop '() 0))))
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;; TAKE!
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;; List arguments to linear-update procedures are constructed
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;; with the LIST procedure rather than as quoted data, since in
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;; some implementations quoted data are not mutable.
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(test-case
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"take!:all-of-list"
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(check-equal? (take! (list 'willow 'woollybutt 'wychelm 'yellowwood 'yew) 5)
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'(willow woollybutt wychelm yellowwood yew)))
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(test-case
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"take!:front-of-list"
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(check-equal? (take! (list 'ylang-ylang 'zebrawood 'affenpinscher 'afghan
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'airedale 'alsatian 'barbet)
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5)
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'(ylang-ylang zebrawood affenpinscher afghan airedale)))
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;(test 'take!:rear-of-list
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; (take! (list 'basenji 'basset 'beagle 'bloodhound 'boarhound
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; 'borzoi 'boxer)
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; -5)
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; (lambda (result)
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; (equal? result '(beagle bloodhound boarhound borzoi
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; boxer))))
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(test-case
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"take!:none-of-list"
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(check-true (null? (take! (list 'briard 'bulldog 'chihuahua) 0))))
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(test-case
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"take!:empty-list"
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(check-true (null? (take! '() 0))))
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;; DROP-RIGHT!
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(test-case
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"drop-right!:all-of-list"
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(check-true (null? (drop-right! (list 'chow 'collie 'coonhound 'clydesdale 'dachshund)
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5))))
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(test-case
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"drop-right!:rear-of-list"
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(check-equal? (drop-right! (list 'groenendael 'harrier 'hound 'husky 'keeshond
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'komondor 'kuvasz)
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5)
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'(groenendael harrier)))
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(test-case
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"drop-right!:none-of-list"
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(check-equal? (drop-right! (list 'labrador 'malamute 'malinois) 0)
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'(labrador malamute malinois)))
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(test-case
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"drop-right!:empty-list"
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(check-true (null? (drop-right! '() 0))))
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;; LAST
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(test-case
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"last:of-singleton"
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(check-eq? (last '(maltese))
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'maltese))
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(test-case
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"last:of-longer-list"
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(check-eq? (last '(mastiff newfoundland nizinny otterhound papillon))
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'papillon))
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;; LAST-PAIR
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(test-case
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"last-pair:of-singleton"
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(let ((pair '(pekingese)))
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(check-eq? (last-pair pair)
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pair)))
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(test-case
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"last-pair:of-longer-list"
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(let ((pair '(pointer)))
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(check-eq? (last-pair (cons 'pomeranian
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(cons 'poodle
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(cons 'pug (cons 'puli pair)))))
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pair)))
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(test-case
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"last-pair:of-improper-list"
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(let ((pair '(manx . siamese)))
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(check-eq? (last-pair (cons 'abyssinian (cons 'calico pair)))
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pair)))
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))
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)
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;;; selector-test.ss ends here
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