+;;; 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))
+ ;; SLOT-MISSING's value is specified to be ignored; we
+ ;; return NEW-VALUE.
+ 'baz))
+\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
+;;; Bug reported by Istvan Marko 2003-07-09
+(let ((class-name (gentemp)))
+ (loop for i from 1 to 9
+ for slot-name = (intern (format nil "X~D" i))
+ for initarg-name = (intern (format nil "X~D" i) :keyword)
+ collect `(,slot-name :initarg ,initarg-name) into slot-descs
+ append `(,initarg-name (list 0)) into default-initargs
+ finally (eval `(defclass ,class-name ()
+ (,@slot-descs)
+ (:default-initargs ,@default-initargs))))
+ (let ((f (compile nil `(lambda () (make-instance ',class-name)))))
+ (assert (typep (funcall f) class-name))))
+
+;;; bug 262: DEFMETHOD failed on a generic function without a lambda
+;;; list
+(ensure-generic-function 'bug262)
+(defmethod bug262 (x y)
+ (list x y))
+(assert (equal (bug262 1 2) '(1 2)))
+
+;;; salex on #lisp 2003-10-13 reported that type declarations inside
+;;; WITH-SLOTS are too hairy to be checked
+(defun ensure-no-notes (form)
+ (handler-case (compile nil `(lambda () ,form))
+ (sb-ext:compiler-note (c)
+ ;; FIXME: it would be better to check specifically for the "type
+ ;; is too hairy" note
+ (error c))))
+(defvar *x*)
+(ensure-no-notes '(with-slots (a) *x*
+ (declare (integer a))
+ a))
+(ensure-no-notes '(with-slots (a) *x*
+ (declare (integer a))
+ (declare (notinline slot-value))
+ a))
+
+;;; from CLHS 7.6.5.1
+(defclass character-class () ((char :initarg :char)))
+(defclass picture-class () ((glyph :initarg :glyph)))
+(defclass character-picture-class (character-class picture-class) ())
+
+(defmethod width ((c character-class) &key font) font)
+(defmethod width ((p picture-class) &key pixel-size) pixel-size)
+
+(assert (raises-error?
+ (width (make-instance 'character-class :char #\Q)
+ :font 'baskerville :pixel-size 10)
+ program-error))
+(assert (raises-error?
+ (width (make-instance 'picture-class :glyph #\Q)
+ :font 'baskerville :pixel-size 10)
+ program-error))
+(assert (eq (width (make-instance 'character-picture-class :char #\Q)
+ :font 'baskerville :pixel-size 10)
+ 'baskerville))
+
+;;; class redefinition shouldn't give any warnings, in the usual case
+(defclass about-to-be-redefined () ((some-slot :accessor some-slot)))
+(handler-bind ((warning #'error))
+ (defclass about-to-be-redefined () ((some-slot :accessor some-slot))))
+
+;;; attempts to add accessorish methods to generic functions with more
+;;; complex lambda lists should fail
+(defgeneric accessoroid (object &key &allow-other-keys))
+(assert (raises-error?
+ (defclass accessoroid-class () ((slot :accessor accessoroid)))
+ program-error))
+
+;;; reported by Bruno Haible sbcl-devel 2004-04-15
+(defclass shared-slot-and-redefinition ()
+ ((size :initarg :size :initform 1 :allocation :class)))
+(let ((i (make-instance 'shared-slot-and-redefinition)))
+ (defclass shared-slot-and-redefinition ()
+ ((size :initarg :size :initform 2 :allocation :class)))
+ (assert (= (slot-value i 'size) 1)))
+
+;;; reported by Bruno Haible sbcl-devel 2004-04-15
+(defclass superclass-born-to-be-obsoleted () (a))
+(defclass subclass-born-to-be-obsoleted (superclass-born-to-be-obsoleted) ())
+(defparameter *born-to-be-obsoleted*
+ (make-instance 'subclass-born-to-be-obsoleted))
+(defparameter *born-to-be-obsoleted-obsoleted* nil)
+(defmethod update-instance-for-redefined-class
+ ((o subclass-born-to-be-obsoleted) a d pl &key)
+ (setf *born-to-be-obsoleted-obsoleted* t))
+(make-instances-obsolete 'superclass-born-to-be-obsoleted)
+(slot-boundp *born-to-be-obsoleted* 'a)
+(assert *born-to-be-obsoleted-obsoleted*)
+
+;;; additional test suggested by Bruno Haible sbcl-devel 2004-04-21
+(defclass super-super-obsoleted () (a))
+(defclass super-obsoleted-1 (super-super-obsoleted) ())
+(defclass super-obsoleted-2 (super-super-obsoleted) ())
+(defclass obsoleted (super-obsoleted-1 super-obsoleted-2) ())
+(defparameter *obsoleted* (make-instance 'obsoleted))
+(defparameter *obsoleted-counter* 0)
+(defmethod update-instance-for-redefined-class ((o obsoleted) a d pl &key)
+ (incf *obsoleted-counter*))
+(make-instances-obsolete 'super-super-obsoleted)
+(slot-boundp *obsoleted* 'a)
+(assert (= *obsoleted-counter* 1))
+
+;;; shared -> local slot transfers of inherited slots, reported by
+;;; Bruno Haible
+(let (i)
+ (defclass super-with-magic-slot ()
+ ((magic :initarg :size :initform 1 :allocation :class)))
+ (defclass sub-of-super-with-magic-slot (super-with-magic-slot) ())
+ (setq i (make-instance 'sub-of-super-with-magic-slot))
+ (defclass super-with-magic-slot ()
+ ((magic :initarg :size :initform 2)))
+ (assert (= 1 (slot-value i 'magic))))
+
+;;; MAKE-INSTANCES-OBSOLETE return values
+(defclass one-more-to-obsolete () ())
+(assert (eq 'one-more-to-obsolete
+ (make-instances-obsolete 'one-more-to-obsolete)))
+(assert (eq (find-class 'one-more-to-obsolete)
+ (make-instances-obsolete (find-class 'one-more-to-obsolete))))
+
+;;; Sensible error instead of a BUG. Reported by Thomas Burdick.
+(multiple-value-bind (value err)
+ (ignore-errors
+ (defclass slot-def-with-duplicate-accessors ()
+ ((slot :writer get-slot :reader get-slot))))
+ (assert (typep err 'error))
+ (assert (not (typep err 'sb-int:bug))))
+
+;;; BUG 321: errors in parsing DEFINE-METHOD-COMBINATION arguments
+;;; lambda lists.
+
+(define-method-combination w-args ()
+ ((method-list *))
+ (:arguments arg1 arg2 &aux (extra :extra))
+ `(progn ,@(mapcar (lambda (method) `(call-method ,method)) method-list)))
+(defgeneric mc-test-w-args (p1 p2 s)
+ (:method-combination w-args)
+ (:method ((p1 number) (p2 t) s)
+ (vector-push-extend (list 'number p1 p2) s))
+ (:method ((p1 string) (p2 t) s)
+ (vector-push-extend (list 'string p1 p2) s))
+ (:method ((p1 t) (p2 t) s) (vector-push-extend (list t p1 p2) s)))
+(let ((v (make-array 0 :adjustable t :fill-pointer t)))
+ (assert (= (mc-test-w-args 1 2 v) 1))
+ (assert (equal (aref v 0) '(number 1 2)))
+ (assert (equal (aref v 1) '(t 1 2))))
+
+;;; BUG 276: declarations and mutation.
+(defmethod fee ((x fixnum))
+ (setq x (/ x 2))
+ x)
+(assert (= (fee 1) 1/2))
+(defmethod fum ((x fixnum))
+ (setf x (/ x 2))
+ x)
+(assert (= (fum 3) 3/2))
+
+;;;; success