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clos.pure.lisp
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clos.pure.lisp
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;;;; CLOS tests with no side effects
;;;; This software is part of the SBCL system. See the README file for
;;;; more information.
;;;;
;;;; While most of SBCL is derived from the CMU CL system, the test
;;;; files (like this one) were written from scratch after the fork
;;;; from CMU CL.
;;;;
;;;; This software is in the public domain and is provided with
;;;; absolutely no warranty. See the COPYING and CREDITS files for
;;;; more information.
(cl:in-package :cl-user)
;;; not really a test for observable behaviour, but: make sure that
;;; all generic functions on startup have lambda lists known to the
;;; system, because some functionality (e.g. &key argument checking)
;;; depends on it. The basic functionality is tested elsewhere, but
;;; this is to investigate the internals for possible inconsistency.
(with-test (:name (:builtin-generic-functions :known :lambda-list))
(let ((collect '()))
(sb-pcl::map-all-generic-functions
(lambda (gf)
(let ((arg-info (sb-pcl::gf-arg-info gf)))
(when (eq (sb-pcl::arg-info-lambda-list arg-info)
:no-lambda-list)
(push gf collect)))))
(assert (null collect))))
;;; Regressing test for invalid slot specification error printing
(with-test (:name (defclass :slot :syntax-error print))
(multiple-value-bind (value err)
(ignore-errors (macroexpand '(defclass foo () (frob (frob bar)))))
(declare (ignore value))
(assert (typep err 'simple-condition))
(multiple-value-bind (value format-err)
(ignore-errors (apply #'format nil
(simple-condition-format-control err)
(simple-condition-format-arguments err)))
(declare (ignore value))
(assert (not format-err)))))
;;; another not (user-)observable behaviour: make sure that
;;; sb-pcl::map-all-classes calls its function on each class once and
;;; exactly once.
(with-test (:name (sb-pcl::map-all-classes :no-duplicates))
(let ((result '()))
(sb-pcl::map-all-classes (lambda (c) (push c result)))
(assert (equal result (remove-duplicates result)))))
;;; this one's user-observable
(with-test (:name (type-of (setf class-name)))
(assert (typep #'(setf class-name) 'generic-function)))
;;; CLHS 1.4.4.5. We could test for this by defining methods
;;; (i.e. portably) but it's much easier using the MOP and
;;; MAP-ALL-CLASSES.
(with-test (:name :check-standard-superclasses)
(flet ((standardized-class-p (c)
(and (class-name c)
(eq (symbol-package (class-name c))
(find-package :cl)))))
(let (result)
(sb-pcl::map-all-classes
(lambda (c) (when (standardized-class-p c)
(let* ((cpl (sb-mop:class-precedence-list c))
(std (position (find-class 'standard-object) cpl))
(str (position (find-class 'structure-object) cpl))
(last (position-if
#'standardized-class-p (butlast cpl)
:from-end t)))
(when (and std str)
(push `(:and ,c) result))
(when (and str (< str last))
(push `(:str ,c) result))
(when (and std (< std last))
(push `(:std ,c) result))))))
(assert (null result)))))
;; No compiler-notes for non-constant slot-names in default policy.
(with-test (:name (slot-value :no sb-ext:compiler-note))
(checked-compile '(lambda (x y z)
(setf (slot-value x z) (slot-value y z)))
:allow-notes nil))
(with-test (:name :slot-table-of-symbol-works)
(assert (eq :win
;; the error that I want is about a missing slot,
;; not a missing method, so don't let the compiler turn
;; this into (funcall #'(SLOT-ACCESSOR :GLOBAL A READER)...)
(handler-case (eval '(slot-value 'a 'a))
(simple-condition (c)
(and (search "slot ~S is missing"
(simple-condition-format-control c))
:win))))))
(with-test (:name :funcallable-instance-sxhash)
(assert
(/= (sxhash (make-instance 'sb-mop:funcallable-standard-object))
(sxhash (make-instance 'sb-mop:funcallable-standard-object))
42)))
(with-test (:name (typep :literal-class))
(checked-compile-and-assert ()
`(lambda (x)
(typep x #.(find-class 'symbol)))
(('x) t)))