+;;; COMPUTE-DEFAULT-INITARGS protocol mismatch reported by Bruno
+;;; Haible
+(defparameter *extra-initarg-value* 'extra)
+(defclass custom-default-initargs-class (standard-class)
+ ())
+(defmethod compute-default-initargs ((class custom-default-initargs-class))
+ (let ((original-default-initargs
+ (remove-duplicates
+ (reduce #'append
+ (mapcar #'class-direct-default-initargs
+ (class-precedence-list class)))
+ :key #'car
+ :from-end t)))
+ (cons (list ':extra '*extra-initarg-value* #'(lambda () *extra-initarg-value*))
+ (remove ':extra original-default-initargs :key #'car))))
+(defmethod validate-superclass ((c1 custom-default-initargs-class)
+ (c2 standard-class))
+ t)
+(defclass extra-initarg ()
+ ((slot :initarg :extra))
+ (:metaclass custom-default-initargs-class))
+(assert (eq (slot-value (make-instance 'extra-initarg) 'slot) 'extra))
+\f
+;;; STANDARD-CLASS valid as a superclass for FUNCALLABLE-STANDARD-CLASS
+(defclass standard-class-for-fsc ()
+ ((scforfsc-slot :initarg :scforfsc-slot :accessor scforfsc-slot)))
+(defvar *standard-class-for-fsc*
+ (make-instance 'standard-class-for-fsc :scforfsc-slot 1))
+(defclass fsc-with-standard-class-superclass
+ (standard-class-for-fsc funcallable-standard-object)
+ ((fsc-slot :initarg :fsc-slot :accessor fsc-slot))
+ (:metaclass funcallable-standard-class))
+(defvar *fsc/scs*
+ (make-instance 'fsc-with-standard-class-superclass
+ :scforfsc-slot 2
+ :fsc-slot 3))
+(assert (= (scforfsc-slot *standard-class-for-fsc*) 1))
+(assert (= (scforfsc-slot *fsc/scs*) 2))
+(assert (= (fsc-slot *fsc/scs*) 3))
+(assert (subtypep 'fsc-with-standard-class-superclass 'function))
+(assert (not (subtypep 'standard-class-for-fsc 'function)))
+
+;;; also check that our sanity check for functionness is good
+(assert (raises-error?
+ (progn
+ (defclass bad-standard-class (funcallable-standard-object)
+ ()
+ (:metaclass standard-class))
+ (make-instance 'bad-standard-class))))
+(assert (raises-error?
+ (progn
+ (defclass bad-funcallable-standard-class (standard-object)
+ ()
+ (:metaclass funcallable-standard-class))
+ (make-instance 'bad-funcallable-standard-class))))
+