;;;; absolutely no warranty. See the COPYING and CREDITS files for
;;;; more information.
-(defpackage "FOO"
- (:use "CL"))
-(in-package "FOO")
+(load "assertoid.lisp")
+
+(defpackage "CLOS-IMPURE"
+ (:use "CL" "ASSERTOID"))
+(in-package "CLOS-IMPURE")
\f
;;; It should be possible to do DEFGENERIC and DEFMETHOD referring to
;;; structure types defined earlier in the file.
(assert (expect-error (defgeneric foo2 (x a &rest))))
(defgeneric foo3 (x &rest y))
(defmethod foo3 ((x t) &rest y) nil)
-(defmethod foo4 ((x t) &key y &rest z) nil)
+(defmethod foo4 ((x t) &rest z &key y) nil)
(defgeneric foo4 (x &rest z &key y))
(assert (expect-error (defgeneric foo5 (x &rest))))
(assert (expect-error (macroexpand-1 '(defmethod foo6 (x &rest)))))
;;; that it doesn't happen again.
;;;
;;; First, the forward references:
-(defclass a (b) ())
-(defclass b () ())
+(defclass forward-ref-a (forward-ref-b) ())
+(defclass forward-ref-b () ())
+;;; (a couple more complicated examples found by Paul Dietz' test
+;;; suite):
+(defclass forward-ref-c1 (forward-ref-c2) ())
+(defclass forward-ref-c2 (forward-ref-c3) ())
+
+(defclass forward-ref-d1 (forward-ref-d2 forward-ref-d3) ())
+(defclass forward-ref-d2 (forward-ref-d4 forward-ref-d5) ())
+
;;; Then change-class
(defclass class-with-slots ()
((a-slot :initarg :a-slot :accessor a-slot)
(assert-program-error (defclass foo004 ()
((a :silly t))))
;; and some more, found by Wolfhard Buss and fixed for cmucl by Gerd
- ;; Moellmann in 0.7.8.x:
+ ;; Moellmann in sbcl-0.7.8.x:
(assert-program-error (progn
(defmethod odd-key-args-checking (&key (key 42)) key)
(odd-key-args-checking 3)))
(assert (= (odd-key-args-checking) 42))
- (assert (eq (odd-key-args-checking :key t) t)))
+ (assert (eq (odd-key-args-checking :key t) t))
+ ;; yet some more, fixed in sbcl-0.7.9.xx
+ (assert-program-error (defclass foo005 ()
+ (:metaclass sb-pcl::funcallable-standard-class)
+ (:metaclass 1)))
+ (assert-program-error (defclass foo006 ()
+ ((a :reader (setf a)))))
+ (assert-program-error (defclass foo007 ()
+ ((a :initarg 1))))
+ (assert-program-error (defclass foo008 ()
+ (a :initarg :a)
+ (:default-initargs :a 1)
+ (:default-initargs :a 2)))
+ ;; and also BUG 47d, fixed in sbcl-0.8alpha.0.26
+ (assert-program-error (defgeneric if (x)))
+ ;; DEFCLASS should detect an error if slot names aren't suitable as
+ ;; variable names:
+ (assert-program-error (defclass foo009 ()
+ ((:a :initarg :a))))
+ (assert-program-error (defclass foo010 ()
+ (("a" :initarg :a))))
+ (assert-program-error (defclass foo011 ()
+ ((#1a() :initarg :a))))
+ (assert-program-error (defclass foo012 ()
+ ((t :initarg :t))))
+ (assert-program-error (defclass foo013 () ("a")))
+ ;; specialized lambda lists have certain restrictions on ordering,
+ ;; repeating keywords, and the like:
+ (assert-program-error (defmethod foo014 ((foo t) &rest) nil))
+ (assert-program-error (defmethod foo015 ((foo t) &rest x y) nil))
+ (assert-program-error (defmethod foo016 ((foo t) &allow-other-keys) nil))
+ (assert-program-error (defmethod foo017 ((foo t)
+ &optional x &optional y) nil))
+ (assert-program-error (defmethod foo018 ((foo t) &rest x &rest y) nil))
+ (assert-program-error (defmethod foo019 ((foo t) &rest x &optional y) nil))
+ (assert-program-error (defmethod foo020 ((foo t) &key x &optional y) nil))
+ (assert-program-error (defmethod foo021 ((foo t) &key x &rest y) nil)))
\f
;;; DOCUMENTATION's argument-precedence-order wasn't being faithfully
;;; preserved through the bootstrap process until sbcl-0.7.8.39.
(assert (eq (no-next-method-test 1) 'success))
(assert (null (ignore-errors (no-next-method-test 'foo))))
\f
-;;;; success
+;;; regression test for bug 176, following a fix that seems
+;;; simultaneously to fix 140 while not exposing 176 (by Gerd
+;;; Moellmann, merged in sbcl-0.7.9.12).
+(dotimes (i 10)
+ (let ((lastname (intern (format nil "C176-~D" (1- i))))
+ (name (intern (format nil "C176-~D" i))))
+ (eval `(defclass ,name
+ (,@(if (= i 0) nil (list lastname)))
+ ()))
+ (eval `(defmethod initialize-instance :after ((x ,name) &rest any)
+ (declare (ignore any))))))
+(defclass b176 () (aslot-176))
+(defclass c176-0 (b176) ())
+(assert (= 1 (setf (slot-value (make-instance 'c176-9) 'aslot-176) 1)))
+\f
+;;; DEFINE-METHOD-COMBINATION was over-eager at checking for duplicate
+;;; primary methods:
+(define-method-combination dmc-test-mc (&optional (order :most-specific-first))
+ ((around (:around))
+ (primary (dmc-test-mc) :order order :required t))
+ (let ((form (if (rest primary)
+ `(and ,@(mapcar #'(lambda (method)
+ `(call-method ,method))
+ primary))
+ `(call-method ,(first primary)))))
+ (if around
+ `(call-method ,(first around)
+ (,@(rest around)
+ (make-method ,form)))
+ form)))
+
+(defgeneric dmc-test-mc (&key k)
+ (:method-combination dmc-test-mc))
+
+(defmethod dmc-test-mc dmc-test-mc (&key k)
+ k)
+
+(dmc-test-mc :k 1)
+;;; While I'm at it, DEFINE-METHOD-COMBINATION is defined to return
+;;; the NAME argument, not some random method object. So:
+(assert (eq (define-method-combination dmc-test-return-foo)
+ 'dmc-test-return-foo))
+(assert (eq (define-method-combination dmc-test-return-bar :operator and)
+ 'dmc-test-return-bar))
+(assert (eq (define-method-combination dmc-test-return
+ (&optional (order :most-specific-first))
+ ((around (:around))
+ (primary (dmc-test-return) :order order :required t))
+ (let ((form (if (rest primary)
+ `(and ,@(mapcar #'(lambda (method)
+ `(call-method ,method))
+ primary))
+ `(call-method ,(first primary)))))
+ (if around
+ `(call-method ,(first around)
+ (,@(rest around)
+ (make-method ,form)))
+ form)))
+ 'dmc-test-return))
+\f
+;;; DEFMETHOD should signal an ERROR if an incompatible lambda list is
+;;; given:
+(defmethod incompatible-ll-test-1 (x) x)
+(assert (raises-error? (defmethod incompatible-ll-test-1 (x y) y)))
+(assert (raises-error? (defmethod incompatible-ll-test-1 (x &rest y) y)))
+;;; Sneakily using a bit of MOPness to check some consistency
+(assert (= (length
+ (sb-pcl:generic-function-methods #'incompatible-ll-test-1)) 1))
+
+(defmethod incompatible-ll-test-2 (x &key bar) bar)
+(assert (raises-error? (defmethod incompatible-ll-test-2 (x) x)))
+(defmethod incompatible-ll-test-2 (x &rest y) y)
+(assert (= (length
+ (sb-pcl:generic-function-methods #'incompatible-ll-test-2)) 1))
+(defmethod incompatible-ll-test-2 ((x integer) &key bar) bar)
+(assert (= (length
+ (sb-pcl:generic-function-methods #'incompatible-ll-test-2)) 2))
+(assert (equal (incompatible-ll-test-2 t 1 2) '(1 2)))
+(assert (eq (incompatible-ll-test-2 1 :bar 'yes) 'yes))
+\f
+;;; Attempting to instantiate classes with forward references in their
+;;; CPL should signal errors (FIXME: of what type?)
+(defclass never-finished-class (this-one-unfinished-too) ())
+(multiple-value-bind (result error)
+ (ignore-errors (make-instance 'never-finished-class))
+ (assert (null result))
+ (assert (typep error 'error)))
+(multiple-value-bind (result error)
+ (ignore-errors (make-instance 'this-one-unfinished-too))
+ (assert (null result))
+ (assert (typep error 'error)))
+\f
+;;; Classes with :ALLOCATION :CLASS slots should be subclassable (and
+;;; weren't for a while in sbcl-0.7.9.xx)
+(defclass superclass-with-slot ()
+ ((a :allocation :class)))
+(defclass subclass-for-class-allocation (superclass-with-slot) ())
+(make-instance 'subclass-for-class-allocation)
+\f
+;;; bug #136: CALL-NEXT-METHOD was being a little too lexical,
+;;; resulting in failure in the following:
+(defmethod call-next-method-lexical-args ((x integer))
+ x)
+(defmethod call-next-method-lexical-args :around ((x integer))
+ (let ((x (1+ x)))
+ (call-next-method)))
+(assert (= (call-next-method-lexical-args 3) 3))
+\f
+;;; DEFINE-METHOD-COMBINATION with arguments was hopelessly broken
+;;; until 0.7.9.5x
+(defvar *d-m-c-args-test* nil)
+(define-method-combination progn-with-lock ()
+ ((methods ()))
+ (:arguments object)
+ `(unwind-protect
+ (progn (lock (object-lock ,object))
+ ,@(mapcar #'(lambda (method)
+ `(call-method ,method))
+ methods))
+ (unlock (object-lock ,object))))
+(defun object-lock (obj)
+ (push "object-lock" *d-m-c-args-test*)
+ obj)
+(defun unlock (obj)
+ (push "unlock" *d-m-c-args-test*)
+ obj)
+(defun lock (obj)
+ (push "lock" *d-m-c-args-test*)
+ obj)
+(defgeneric d-m-c-args-test (x)
+ (:method-combination progn-with-lock))
+(defmethod d-m-c-args-test ((x symbol))
+ (push "primary" *d-m-c-args-test*))
+(defmethod d-m-c-args-test ((x number))
+ (error "foo"))
+(assert (equal (d-m-c-args-test t) '("primary" "lock" "object-lock")))
+(assert (equal *d-m-c-args-test*
+ '("unlock" "object-lock" "primary" "lock" "object-lock")))
+(setf *d-m-c-args-test* nil)
+(ignore-errors (d-m-c-args-test 1))
+(assert (equal *d-m-c-args-test*
+ '("unlock" "object-lock" "lock" "object-lock")))
+\f
+;;; The walker (on which DEFMETHOD depended) didn't know how to handle
+;;; SYMBOL-MACROLET properly. In fact, as of sbcl-0.7.10.20 it still
+;;; doesn't, but it does well enough to compile the following without
+;;; error (the problems remain in asking for a complete macroexpansion
+;;; of an arbitrary form).
+(symbol-macrolet ((x 1))
+ (defmethod bug222 (z)
+ (macrolet ((frob (form) `(progn ,form ,x)))
+ (frob (print x)))))
+(assert (= (bug222 t) 1))
+
+;;; also, a test case to guard against bogus environment hacking:
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (setq bug222-b 3))
+;;; this should at the least compile:
+(let ((bug222-b 1))
+ (defmethod bug222-b (z stream)
+ (macrolet ((frob (form) `(progn ,form ,bug222-b)))
+ (frob (format stream "~D~%" bug222-b)))))
+;;; and it would be nice (though not specified by ANSI) if the answer
+;;; were as follows:
+(let ((x (make-string-output-stream)))
+ ;; not specified by ANSI
+ (assert (= (bug222-b t x) 3))
+ ;; specified.
+ (assert (char= (char (get-output-stream-string x) 0) #\1)))
+\f
+;;; REINITIALIZE-INSTANCE, in the ctor optimization, wasn't checking
+;;; for invalid initargs where it should:
+(defclass class234 () ())
+(defclass subclass234 (class234) ())
+(defvar *bug234* 0)
+(defun bug-234 ()
+ (reinitialize-instance (make-instance 'class234) :dummy 0))
+(defun subbug-234 ()
+ (reinitialize-instance (make-instance 'subclass234) :dummy 0))
+(assert (raises-error? (bug-234) program-error))
+(defmethod shared-initialize :after ((i class234) slots &key dummy)
+ (incf *bug234*))
+(assert (typep (subbug-234) 'subclass234))
+(assert (= *bug234*
+ ;; once for MAKE-INSTANCE, once for REINITIALIZE-INSTANCE
+ 2))
+;;; also, some combinations of MAKE-INSTANCE and subclassing missed
+;;; new methods (Gerd Moellmann sbcl-devel 2002-12-29):
+(defclass class234-b1 () ())
+(defclass class234-b2 (class234-b1) ())
+(defvar *bug234-b* 0)
+(defun bug234-b ()
+ (make-instance 'class234-b2))
+(compile 'bug234-b)
+(bug234-b)
+(assert (= *bug234-b* 0))
+(defmethod initialize-instance :before ((x class234-b1) &rest args)
+ (declare (ignore args))
+ (incf *bug234-b*))
+(bug234-b)
+(assert (= *bug234-b* 1))
+\f
+;;; we should be able to make classes with uninterned names:
+(defclass #:class-with-uninterned-name () ())
+\f
+;;; SLOT-MISSING should be called when there are missing slots.
+(defclass class-with-all-slots-missing () ())
+(defmethod slot-missing (class (o class-with-all-slots-missing)
+ slot-name op
+ &optional new-value)
+ op)
+(assert (eq (slot-value (make-instance 'class-with-all-slots-missing) 'foo)
+ 'slot-value))
+(assert (eq (funcall (lambda (x) (slot-value x 'bar))
+ (make-instance 'class-with-all-slots-missing))
+ 'slot-value))
+(assert (eq (funcall (lambda (x) (setf (slot-value x 'baz) 'baz))
+ (make-instance 'class-with-all-slots-missing))
+ 'setf))
+\f
+;;; we should be able to specialize on anything that names a class.
+(defclass name-for-class () ())
+(defmethod something-that-specializes ((x name-for-class)) 1)
+(setf (find-class 'other-name-for-class) (find-class 'name-for-class))
+(defmethod something-that-specializes ((x other-name-for-class)) 2)
+(assert (= (something-that-specializes (make-instance 'name-for-class)) 2))
+(assert (= (something-that-specializes (make-instance 'other-name-for-class))
+ 2))
+\f
+;;; more forward referenced classes stuff
+(defclass frc-1 (frc-2) ())
+(assert (subtypep 'frc-1 (find-class 'frc-2)))
+(assert (subtypep (find-class 'frc-1) 'frc-2))
+(assert (not (subtypep (find-class 'frc-2) 'frc-1)))
+(defclass frc-2 (frc-3) ((a :initarg :a)))
+(assert (subtypep 'frc-1 (find-class 'frc-3)))
+(defclass frc-3 () ())
+(assert (typep (make-instance 'frc-1 :a 2) (find-class 'frc-1)))
+(assert (typep (make-instance 'frc-2 :a 3) (find-class 'frc-2)))
+\f
+;;; check that we can define classes with two slots of different names
+;;; (even if it STYLE-WARNs).
+(defclass odd-name-class ()
+ ((name :initarg :name)
+ (cl-user::name :initarg :name2)))
+(let ((x (make-instance 'odd-name-class :name 1 :name2 2)))
+ (assert (= (slot-value x 'name) 1))
+ (assert (= (slot-value x 'cl-user::name) 2)))
+\f
+;;; ALLOCATE-INSTANCE should work on structures, even if defined by
+;;; DEFSTRUCT (and not DEFCLASS :METACLASS STRUCTURE-CLASS).
+(defstruct allocatable-structure a)
+(assert (typep (allocate-instance (find-class 'allocatable-structure))
+ 'allocatable-structure))
+\f
+;;; Bug found by Paul Dietz when devising CPL tests: somewhat
+;;; amazingly, calls to CPL would work a couple of times, and then
+;;; start returning NIL. A fix was found (relating to the
+;;; applicability of constant-dfun optimization) by Gerd Moellmann.
+(defgeneric cpl (x)
+ (:method-combination list)
+ (:method list ((x broadcast-stream)) 'broadcast-stream)
+ (:method list ((x integer)) 'integer)
+ (:method list ((x number)) 'number)
+ (:method list ((x stream)) 'stream)
+ (:method list ((x structure-object)) 'structure-object))
+(assert (equal (cpl 0) '(integer number)))
+(assert (equal (cpl 0) '(integer number)))
+(assert (equal (cpl 0) '(integer number)))
+(assert (equal (cpl 0) '(integer number)))
+(assert (equal (cpl 0) '(integer number)))
+(assert (equal (cpl (make-broadcast-stream))
+ '(broadcast-stream stream structure-object)))
+(assert (equal (cpl (make-broadcast-stream))
+ '(broadcast-stream stream structure-object)))
+(assert (equal (cpl (make-broadcast-stream))
+ '(broadcast-stream stream structure-object)))
+\f
+;;; Bug in CALL-NEXT-METHOD: assignment to the method's formal
+;;; parameters shouldn't affect the arguments to the next method for a
+;;; no-argument call to CALL-NEXT-METHOD
+(defgeneric cnm-assignment (x)
+ (:method (x) x)
+ (:method ((x integer)) (setq x 3)
+ (list x (call-next-method) (call-next-method x))))
+(assert (equal (cnm-assignment 1) '(3 1 3)))
+\f
+;;;; success
(sb-ext:quit :unix-status 104)