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;;; r6rs-exceptions.test --- Test suite for R6RS (rnrs exceptions) -*- scheme -*-
;; Copyright (C) 2010, 2013 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-exceptions)
:use-module ((rnrs conditions) :version (6))
:use-module ((rnrs exceptions) :version (6))
:use-module (system foreign)
:use-module (test-suite lib))
(with-test-prefix "with-exception-handler"
(pass-if "handler invoked on raise"
(let ((success #f))
(call/cc
(lambda (continuation)
(with-exception-handler
(lambda (condition) (set! success #t) (continuation))
(lambda () (raise (make-violation))))))
success))
(pass-if "handler not invoked unless raise"
(let ((success #f))
(call/cc
(lambda (continuation)
(with-exception-handler
(lambda (condition) (continuation))
(lambda () (set! success #t)))))
success)))
(with-test-prefix "raise"
(pass-if "raise causes &non-continuable after handler"
(let ((success #f))
(call/cc
(lambda (continuation)
(with-exception-handler
(lambda (condition)
(set! success (non-continuable-violation? condition))
(continuation))
(lambda ()
(with-exception-handler
(lambda (condition) #f)
(lambda () (raise (make-violation))))))))
success)))
(with-test-prefix "raise-continuable"
(pass-if "raise-continuable invokes continuation after handler"
(let ((handled #f)
(continued #f))
(call/cc
(lambda (continuation)
(with-exception-handler
(lambda (condition) (set! handled #t))
(lambda ()
(raise-continuable (make-violation))
(set! continued #t)))))
(and handled continued))))
(with-test-prefix "guard"
(pass-if "guard with matching cond without else"
(let ((success #f))
(guard (condition ((error? condition) (set! success #t)))
(raise (make-error)))
success))
(pass-if "guard without matching cond without else"
(let ((success #f))
(call/cc
(lambda (continuation)
(with-exception-handler
(lambda (condition) (set! success (error? condition)) (continuation))
(lambda ()
(guard (condition ((irritants-condition? condition) #f))
(raise (make-error)))))))
success))
(pass-if "guard with else and without matching cond"
(let ((success #f))
(guard (condition ((irritants-condition? condition) #f)
(else (set! success #t)))
(raise (make-error)))
success))
(pass-if "guard with cond => syntax"
(guard (condition (condition => error?)) (raise (make-error)))))
(with-test-prefix "guile condition conversions"
(define-syntax-rule (pass-if-condition name expected-condition? body ...)
(pass-if name
(guard (obj ((expected-condition? obj) #t)
(else #f))
body ... #f)))
(pass-if "rethrown native guile exceptions"
(catch #t
(lambda ()
(guard (obj ((syntax-violation? obj) #f))
(vector-ref '#(0 1) 2)
#f))
(lambda (key . args)
(eq? key 'out-of-range))))
(pass-if-condition "syntax-error"
syntax-violation?
(eval '(let) (current-module)))
(pass-if-condition "unbound-variable"
undefined-violation?
variable-that-does-not-exist)
(pass-if-condition "out-of-range"
assertion-violation?
(vector-ref '#(0 1) 2))
(pass-if-condition "wrong-number-of-args"
assertion-violation?
((lambda () #f) 'unwanted-argument))
(pass-if-condition "wrong-type-arg"
assertion-violation?
(vector-ref '#(0 1) 'invalid-index))
(pass-if-condition "keyword-argument-error"
assertion-violation?
((lambda* (#:key a) #f) #:unwanted-keyword 'val))
(pass-if-condition "regular-expression-syntax"
assertion-violation?
(make-regexp "[missing-close-square-bracket"))
(pass-if-condition "null-pointer-error"
assertion-violation?
(dereference-pointer (make-pointer 0)))
(pass-if-condition "read-error"
lexical-violation?
(read (open-input-string "(missing-close-paren"))))
;;; Local Variables:
;;; eval: (put 'pass-if-condition 'scheme-indent-function 1)
;;; End:
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