169 lines
4.1 KiB
Racket
169 lines
4.1 KiB
Racket
;;;
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;;; <predicate-test.rkt> ---- List predicate tests
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;;; Time-stamp: <05/12/16 21:16:27 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 predicate-test
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mzscheme
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(require rackunit)
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(require srfi/1/predicate
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srfi/1/cons)
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(provide predicate-tests)
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(define predicate-tests
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(test-suite
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"List predicate tests"
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;; PROPER-LIST?
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(test-case
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"proper-list?:list"
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(check-true (proper-list? (list 1 2 3 4 5))))
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(test-case
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"proper-list?:dotted-list"
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(check-true (not (proper-list? (cons 1 (cons 2 (cons 3 4)))))))
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(test-case
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"proper-list?:zero-length"
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(check-true (proper-list? (list))))
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(test-case
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"proper-list?:circular-list"
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(check-true (not (proper-list? (circular-list 'a 'b 'c 'd)))))
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(test-case
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"proper-list?:simple-value"
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(check-true (not (proper-list? 1))))
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;; DOTTED-LIST?
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(test-case
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"dotted-list?:dotted-list"
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(check-true (dotted-list? '(1 2 3 . 4))))
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(test-case
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"dotted-list?:proper-list"
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(check-true (not (dotted-list? (list 'a 'b 'c 'd)))))
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(test-case
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"dotted-list?:empty-list"
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(check-true (not (dotted-list? (list)))))
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(test-case
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"dotted-list?:simple-value"
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(check-true (dotted-list? "hello")))
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;; CIRCULAR-LIST
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(test-case
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"circular-list?:proper-list"
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(check-true (not (circular-list? (list 1 2 3 4)))))
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(test-case
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"circular-list?:dotted-list"
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(check-true (not (circular-list? '(a b c . d)))))
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(test-case
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"circular-list?:simple-value"
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(check-true (not (circular-list? 1))))
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(test-case
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"circular-list?:circular-list"
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(check-true (circular-list? (circular-list 1 2 3 4))))
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;; NOT-PAIR
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(test-case
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"not-pair?:list"
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(check-true (not (not-pair? (list 1 2 3 4)))))
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(test-case
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"not-pair?:number"
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(check-true (not-pair? 1)))
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(test-case
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"not-pair?:symbol"
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(check-true (not-pair? 'symbol)))
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(test-case
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"not-pair?:string"
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(check-true (not-pair? "string")))
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;; NULL-LIST?
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(test-case
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"null-list?:null-list"
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(check-true (null-list? (list))))
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(test-case
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"null-list?:list"
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(check-true (not (null-list? (list 'a 'b 'c)))))
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(test-case
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"null-list?:pair"
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(check-true (not (null-list? (cons 1 2)))))
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;; LIST=
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(test-case
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"list=:number-list"
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(check-true (list= = (list 1.0 2.0 3.0) (list 1 2 3))))
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(test-case
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"list=:symbol-vs-string-list"
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(check-true (list= (lambda (x y)
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(string=? (symbol->string x) y))
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(list 'a 'b 'c)
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(list "a" "b" "c"))))
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(test-case
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"list=:unequal-lists"
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(check-true (not (list= eq? (list 1 2 3) (list 'a 'b 'c) (list 1 2 3)))))
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(test-case
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"list=:unequal-lengths"
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(check-true (not (list= eq? (list 1 2 3) (list 1 2 3 4)))))
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(test-case
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"list=:empty-lists"
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(check-true (list= eq? (list) (list) (list))))
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(test-case
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"list=:no-list"
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(check-true (list= eq?)))
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))
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)
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;;; predicate-test.rkt ends here
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