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accessors. * module/rnrs/conditions.scm (define-condition-type): The generated accessors should be condition accessors, which know how to unpack a compound condition; these can then delegate to the appropriate record accessors. * test-suite/tests/r6rs-conditions.test: New test case to verify above.
99 lines
3.8 KiB
Text
99 lines
3.8 KiB
Text
;;; r6rs-conditions.test --- Test suite for R6RS (rnrs conditions)
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;; Copyright (C) 2010 Free Software Foundation, Inc.
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;;
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;; This library 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 3 of the License, or (at your option) any later version.
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;;
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;; This library 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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;;
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;; You should have received a copy of the GNU Lesser General Public
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;; License along with this library; if not, write to the Free Software
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;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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(define-module (test-suite test-rnrs-conditions)
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:use-module ((rnrs conditions) :version (6))
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:use-module (test-suite lib))
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(define-condition-type &a &condition make-a-condition a-condition? (foo a-foo))
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(define-condition-type &b &condition make-b-condition b-condition? (bar b-bar))
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(with-test-prefix "condition?"
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(pass-if "condition? is #t for simple conditions"
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(condition? (make-error)))
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(pass-if "condition? is #t for compound conditions"
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(condition? (condition (make-error) (make-assertion-violation))))
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(pass-if "condition? is #f for non-conditions"
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(not (condition? 'foo))))
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(with-test-prefix "simple-conditions"
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(pass-if "simple-conditions returns condition components"
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(let* ((error (make-error))
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(assertion (make-assertion-violation))
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(c (condition error assertion))
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(scs (simple-conditions c)))
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(equal? scs (list error assertion))))
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(pass-if "simple-conditions flattens compound conditions"
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(let* ((implementation-restriction
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(make-implementation-restriction-violation))
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(error1 (make-error))
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(c1 (condition implementation-restriction error1))
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(error2 (make-error))
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(assertion (make-assertion-violation))
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(c2 (condition error2 assertion c1))
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(scs (simple-conditions c2)))
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(equal? scs (list error2 assertion implementation-restriction error1)))))
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(with-test-prefix "condition-predicate"
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(pass-if "returned procedure identifies matching simple conditions"
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(let ((mp (condition-predicate &message))
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(mc (make-message-condition "test")))
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(mp mc)))
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(pass-if "returned procedure identifies matching compound conditions"
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(let* ((sp (condition-predicate &serious))
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(vp (condition-predicate &violation))
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(sc (make-serious-condition))
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(vc (make-violation))
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(c (condition sc vc)))
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(and (sp c) (vp c))))
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(pass-if "returned procedure is #f for non-matching simple"
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(let ((sp (condition-predicate &serious)))
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(not (sp 'foo))))
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(pass-if "returned procedure is #f for compound without match"
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(let* ((ip (condition-predicate &irritants))
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(sc (make-serious-condition))
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(vc (make-violation))
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(c (condition sc vc)))
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(not (ip c)))))
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(with-test-prefix "condition-accessor"
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(pass-if "accessor applies proc to field from simple condition"
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(let* ((proc (lambda (c) (condition-message c)))
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(ma (condition-accessor &message proc))
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(mc (make-message-condition "foo")))
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(equal? (ma mc) "foo")))
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(pass-if "accessor applies proc to field from compound condition"
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(let* ((proc (lambda (c) (condition-message c)))
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(ma (condition-accessor &message proc))
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(mc (make-message-condition "foo"))
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(vc (make-violation))
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(c (condition vc mc)))
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(equal? (ma c) "foo"))))
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(with-test-prefix "define-condition-type"
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(pass-if "define-condition-type produces proper accessors"
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(let ((c (condition (make-a-condition 'foo) (make-b-condition 'bar))))
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(and (eq? (a-foo c) 'foo) (eq? (b-bar c) 'bar)))))
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