racket/collects/tests/rackunit/counter-test.rkt
2010-05-17 12:07:32 -04:00

62 lines
1.8 KiB
Racket

;;;
;;; Time-stamp: <2008-06-19 21:05:15 noel>
;;;
;;; Copyright (C) 2005 by Noel Welsh.
;;;
;;; This library is free software; you can redistribute it
;;; and/or modify it under the terms of the GNU Lesser
;;; General Public License as published by the Free Software
;;; Foundation; either version 2.1 of the License, or (at
;;; your option) any later version.
;;; This library 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 Lesser General Public
;;; License for more details.
;;; You should have received a copy of the GNU Lesser
;;; General Public License along with this library; if not,
;;; write to the Free Software Foundation, Inc., 59 Temple
;;; Place, Suite 330, Boston, MA 02111-1307 USA
;;; Author: Noel Welsh <noelwelsh@yahoo.com>
;;
;;
;; Commentary:
#lang racket/base
(require racket/match
rackunit
rackunit/private/counter
rackunit/private/monad
rackunit/private/hash-monad)
(provide counter-tests)
(define a-success (make-test-success "success" #t))
(define an-error (make-test-error "error" #f))
(define a-failure (make-test-failure "failure" #f))
(define counter-tests
(test-suite
"All tests for counter"
(test-case
"counter->vector is correct"
(let ((monad ((put-initial-counter) (make-empty-hash))))
((compose
(sequence* (update-counter! a-success)
(update-counter! a-failure)
(update-counter! an-error)
(counter->vector))
(match-lambda
((vector s f e)
(check = s 1)
(check = f 1)
(check = e 1)
(return-hash (void)))))
monad)))
))