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;;; r6rs-conditions.test --- Test suite for R6RS (rnrs conditions)
;; Copyright (C) 2010 Free Software Foundation, Inc.
;;
;; 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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
(define-module (test-suite test-rnrs-conditions)
:use-module ((rnrs base) :version (6))
:use-module ((rnrs conditions) :version (6))
:use-module (test-suite lib))
(define-condition-type &a &condition make-a-condition a-condition? (foo a-foo))
(define-condition-type &b &condition make-b-condition b-condition? (bar b-bar))
(define-condition-type &c &condition make-c-condition c-condition?
(baz c-baz)
(qux c-qux)
(frobotz c-frobotz))
(with-test-prefix "condition?"
(pass-if "condition? is #t for simple conditions"
(condition? (make-error)))
(pass-if "condition? is #t for compound conditions"
(condition? (condition (make-error) (make-assertion-violation))))
(pass-if "condition? is #f for non-conditions"
(not (condition? 'foo))))
(with-test-prefix "simple-conditions"
(pass-if "simple-conditions returns condition components"
(let* ((error (make-error))
(assertion (make-assertion-violation))
(c (condition error assertion))
(scs (simple-conditions c)))
(equal? scs (list error assertion))))
(pass-if "simple-conditions flattens compound conditions"
(let* ((implementation-restriction
(make-implementation-restriction-violation))
(error1 (make-error))
(c1 (condition implementation-restriction error1))
(error2 (make-error))
(assertion (make-assertion-violation))
(c2 (condition error2 assertion c1))
(scs (simple-conditions c2)))
(equal? scs (list error2 assertion implementation-restriction error1)))))
(with-test-prefix "condition-predicate"
(pass-if "returned procedure identifies matching simple conditions"
(let ((mp (condition-predicate &message))
(mc (make-message-condition "test")))
(mp mc)))
(pass-if "returned procedure identifies matching compound conditions"
(let* ((sp (condition-predicate &serious))
(vp (condition-predicate &violation))
(sc (make-serious-condition))
(vc (make-violation))
(c (condition sc vc)))
(and (sp c) (vp c))))
(pass-if "returned procedure is #f for non-matching simple"
(let ((sp (condition-predicate &serious)))
(not (sp 'foo))))
(pass-if "returned procedure is #f for compound without match"
(let* ((ip (condition-predicate &irritants))
(sc (make-serious-condition))
(vc (make-violation))
(c (condition sc vc)))
(not (ip c)))))
(with-test-prefix "condition-accessor"
(pass-if "accessor applies proc to field from simple condition"
(let* ((proc (lambda (c) (condition-message c)))
(ma (condition-accessor &message proc))
(mc (make-message-condition "foo")))
(equal? (ma mc) "foo")))
(pass-if "accessor applies proc to field from compound condition"
(let* ((proc (lambda (c) (condition-message c)))
(ma (condition-accessor &message proc))
(mc (make-message-condition "foo"))
(vc (make-violation))
(c (condition vc mc)))
(equal? (ma c) "foo"))))
(with-test-prefix "define-condition-type"
(pass-if "define-condition-type produces proper accessors"
(let ((c (condition (make-a-condition 'foo) (make-b-condition 'bar))))
(and (eq? (a-foo c) 'foo) (eq? (b-bar c) 'bar))))
(pass-if "define-condition-type works for multiple fields"
(let ((c (condition (make-a-condition 'foo)
(make-c-condition 1 2 3))))
(and (eq? (a-foo c) 'foo)
(= (c-baz c) 1)
(= (c-qux c) 2)
(= (c-frobotz c) 3)))))
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