+ :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))
+
+;;; yet another MAKE-INSTANCES-OBSOLETE test, this time from Nikodemus
+;;; Siivola. Not all methods for accessing slots are created equal...
+(defclass yet-another-obsoletion-super () ((obs :accessor obs-of :initform 0)))
+(defclass yet-another-obsoletion-sub (yet-another-obsoletion-super) ())
+(defmethod shared-initialize :after ((i yet-another-obsoletion-super)
+ slots &rest init)
+ (incf (obs-of i)))
+
+(defvar *yao-super* (make-instance 'yet-another-obsoletion-super))
+(defvar *yao-sub* (make-instance 'yet-another-obsoletion-sub))
+
+(assert (= (obs-of *yao-super*) 1))
+(assert (= (obs-of *yao-sub*) 1))
+(make-instances-obsolete 'yet-another-obsoletion-super)
+(assert (= (obs-of *yao-sub*) 2))
+(assert (= (obs-of *yao-super*) 2))
+(make-instances-obsolete 'yet-another-obsoletion-super)
+(assert (= (obs-of *yao-super*) 3))
+(assert (= (obs-of *yao-sub*) 3))
+(assert (= (slot-value *yao-super* 'obs) 3))
+(assert (= (slot-value *yao-sub* 'obs) 3))
+
+;;; 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))
+(defmethod fii ((x fixnum))
+ (declare (special x))
+ (setf x (/ x 2))
+ x)
+(assert (= (fii 1) 1/2))
+(defvar *faa*)
+(defmethod faa ((*faa* string-stream))
+ (setq *faa* (make-broadcast-stream *faa*))
+ (write-line "Break, you sucker!" *faa*)
+ 'ok)
+(assert (eq 'ok (faa (make-string-output-stream))))
+(defmethod fex ((x fixnum) (y fixnum))
+ (multiple-value-setq (x y) (values (/ x y) (/ y x)))
+ (list x y))
+(assert (equal (fex 5 3) '(5/3 3/5)))
+
+;;; Bug reported by Zach Beane; incorrect return of (function
+;;; ',fun-name) in defgeneric
+(assert
+ (typep (funcall (compile nil
+ '(lambda () (flet ((nonsense () nil))
+ (defgeneric nonsense ())))))
+ 'generic-function))
+
+(assert
+ (typep (funcall (compile nil
+ '(lambda () (flet ((nonsense-2 () nil))
+ (defgeneric nonsense-2 ()
+ (:method () t))))))
+ 'generic-function))
+
+;;; bug reported by Bruno Haible: (setf find-class) using a
+;;; forward-referenced class
+(defclass fr-sub (fr-super) ())
+(setf (find-class 'fr-alt) (find-class 'fr-super))
+(assert (eq (find-class 'fr-alt) (find-class 'fr-super)))
+
+
+;;; ANSI Figure 4-8: all defined classes. Check that we can define
+;;; methods on all of these.
+(progn
+ (defgeneric method-for-defined-classes (x))
+ (dolist (c '(arithmetic-error
+ generic-function simple-error array hash-table
+ simple-type-error
+ bit-vector integer simple-warning
+ broadcast-stream list standard-class
+ built-in-class logical-pathname standard-generic-function
+ cell-error method standard-method
+ character method-combination standard-object
+ class null storage-condition
+ complex number stream
+ concatenated-stream package stream-error
+ condition package-error string
+ cons parse-error string-stream
+ control-error pathname structure-class
+ division-by-zero print-not-readable structure-object
+ echo-stream program-error style-warning
+ end-of-file random-state symbol
+ error ratio synonym-stream
+ file-error rational t
+ file-stream reader-error two-way-stream
+ float readtable type-error
+ floating-point-inexact real unbound-slot
+ floating-point-invalid-operation restart unbound-variable
+ floating-point-overflow sequence undefined-function
+ floating-point-underflow serious-condition vector
+ function simple-condition warning))
+ (eval `(defmethod method-for-defined-classes ((x ,c)) (princ x))))
+ (assert (string= (with-output-to-string (*standard-output*)
+ (method-for-defined-classes #\3))
+ "3")))
+
+
+\f
+;;; When class definition does not complete due to a bad accessor
+;;; name, do not cause an error when a new accessor name is provided
+;;; during class redefinition