81 lines
1.8 KiB
Scheme
81 lines
1.8 KiB
Scheme
;;;
|
|
;;; Time-stamp: <2008-06-19 21:06:21 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 scheme/base
|
|
|
|
(require "test.ss")
|
|
(require "monad.ss"
|
|
"hash-monad.ss")
|
|
|
|
(provide hash-monad-tests)
|
|
|
|
(define hash-monad-tests
|
|
(test-suite
|
|
"All tests for hash-monad"
|
|
|
|
(test-case
|
|
"Gets retrieves puts"
|
|
((compose*
|
|
(put 'foo 10)
|
|
(lambda (v)
|
|
(get 'foo))
|
|
(lambda (v)
|
|
(check = v 10)
|
|
(return-hash #t)))
|
|
(make-empty-hash)))
|
|
|
|
(test-case
|
|
"Get raises exception when no value exists"
|
|
(check-exn
|
|
exn:fail:contract?
|
|
(lambda ()
|
|
((compose
|
|
(get 'foo)
|
|
(lambda (v)
|
|
(fail "Should not be executed")))
|
|
(make-empty-hash)))))
|
|
|
|
(test-case
|
|
"Put overwrites existing entries"
|
|
((compose*
|
|
(put 'foo 10)
|
|
(lambda (v)
|
|
(get 'foo))
|
|
(lambda (v)
|
|
(check = v 10)
|
|
(put 'foo 20))
|
|
(lambda (v)
|
|
(get 'foo))
|
|
(lambda (v)
|
|
(check = v 20)
|
|
(get 'foo)))
|
|
(make-empty-hash)))
|
|
|
|
))
|
|
|