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|
;-*- Mode: Lisp -*-
;;;; Author: Paul Dietz
;;;; Created: Mon May 12 21:19:36 2003
;;;; Contains: Tests of MAKE-INSTANCE
(in-package :cl-test)
;;; MAKE-INSTANCE is used in many other tests as well
(deftest make-instance.error.1
(signals-error (make-instance) program-error)
t)
(defclass make-instance-class-01 ()
((a :initarg :a) (b :initarg :b)))
(deftest make-instance.error.2
(signals-error (make-instance 'make-instance-class-01 :a)
program-error)
t)
(deftest make-instance.error.3
(handler-case (progn (eval '(make-instance 'make-instance-class-01 :z 1))
t)
(error () :good))
:good)
(deftest make-instance.error.4
(handler-case (progn (eval '(make-instance
(find-class 'make-instance-class-01)
:z 1))
t)
(error () :good))
:good)
(deftest make-instance.error.5
(signals-error (let () (make-instance) nil)
program-error)
t)
(deftest make-instance.error.6
(loop for cl in *built-in-classes*
unless (eval `(signals-error (make-instance ',cl) error))
collect cl)
nil)
;; Definitions of methods
(defmethod make-instance ((x make-instance-class-01)
&rest initargs &key &allow-other-keys)
initargs)
(deftest make-instance.1
(make-instance (make-instance 'make-instance-class-01))
nil)
(deftest make-instance.2
(make-instance (make-instance 'make-instance-class-01) :a 1 :b 2)
(:a 1 :b 2))
#|
(when *can-define-metaclasses*
(defclass make-instance-class-02 ()
(a b c)
(:metaclass substandard-class))
(defmethod make-instance ((class (eql (find-class 'make-instance-class-02)))
&rest initargs &key (x nil) (y nil) (z nil)
&allow-other-keys)
(declare (ignore initargs))
(let ((obj (allocate-instance class)))
(setf (slot-value obj 'a) x
(slot-value obj 'b) y
(slot-value obj 'c) z)
obj))
(deftest make-instance.3
(let ((obj (make-instance 'make-instance-class-02)))
(values
(eqt (class-of obj) (find-class 'make-instance-class-02))
(slot-value obj 'a)
(slot-value obj 'b)
(slot-value obj 'c)))
t nil nil nil)
(deftest make-instance.4
(let ((obj (make-instance 'make-instance-class-02 :z 10 :y 45 :x 'd)))
(values
(eqt (class-of obj) (find-class 'make-instance-class-02))
(slot-value obj 'a)
(slot-value obj 'b)
(slot-value obj 'c)))
t d 45 10)
(deftest make-instance.5
(let ((obj (make-instance (find-class 'make-instance-class-02) :y 'g)))
(values
(eqt (class-of obj) (find-class 'make-instance-class-02))
(slot-value obj 'a)
(slot-value obj 'b)
(slot-value obj 'c)))
t nil g nil)
(deftest make-instance.6
(eq (make-instance 'make-instance-class-02)
(make-instance 'make-instance-class-02))
nil)
;; Customization of make-instance
(defclass make-instance-class-03 ()
((a :initform 1) (b :initarg :b) c)
(:metaclass substandard-class))
(defmethod make-instance ((class (eql (find-class 'make-instance-class-03)))
&rest initargs
&key (x nil x-p) (y nil y-p) (z nil z-p)
&allow-other-keys)
(declare (ignore initargs))
(let ((obj (allocate-instance (find-class 'make-instance-class-03))))
(when x-p (setf (slot-value obj 'a) x))
(when y-p (setf (slot-value obj 'b) y))
(when z-p (setf (slot-value obj 'c) z))
obj))
(deftest make-instance.7
(let ((obj (make-instance 'make-instance-class-03)))
(values
(eqt (class-of obj)
(find-class 'make-instance-class-03))
(map-slot-boundp* obj '(a b c))))
t (nil nil nil))
(deftest make-instance.8
(let* ((class (find-class 'make-instance-class-03))
(obj (make-instance class :b 10)))
(values
(eqt (class-of obj) class)
(map-slot-boundp* obj '(a b c))))
t (nil nil nil))
(deftest make-instance.9
(let* ((class (find-class 'make-instance-class-03))
(obj (make-instance class :x 'g :z 'i :y 'k :foo t :x 'bad)))
(values
(eqt (class-of obj) class)
(map-slot-boundp* obj '(a b c))
(map-slot-value obj '(a b c))))
t (t t t) (g k i))
;; After method combination
(defparameter *make-instance-class-04-var* 0)
(defclass make-instance-class-04 ()
((a :initform *make-instance-class-04-var*))
(:metaclass substandard-class))
(defmethod make-instance :after
((class (eql (find-class 'make-instance-class-04)))
&rest initargs &key &allow-other-keys)
(declare (ignore initargs))
(incf *make-instance-class-04-var* 10))
(deftest make-instance.10
(let* ((*make-instance-class-04-var* 0)
(obj (make-instance 'make-instance-class-04)))
(values
(slot-value obj 'a)
*make-instance-class-04-var*))
0 10)
;; Around method combination
(defclass make-instance-class-05 ()
((a :initarg :a) (b :initarg :b :initform 'foo) c)
(:metaclass substandard-class))
(defmethod make-instance :around
((class (eql (find-class 'make-instance-class-05)))
&rest initargs &key &allow-other-keys)
(declare (ignore initargs))
(let ((obj (call-next-method)))
(setf (slot-value obj 'c) 'bar)
obj))
(deftest make-instance.11
(let ((obj (make-instance 'make-instance-class-05)))
(values
(map-slot-boundp* obj '(a b c))
(map-slot-value obj '(b c))))
(nil t t)
(foo bar))
)
|#
;;; Order of argument evaluation
(deftest make-instance.order.1
(let* ((i 0) x y
(obj (make-instance 'make-instance-class-01
:a (setf x (incf i))
:b (setf y (incf i)))))
(values
(map-slot-value obj '(a b))
i x y))
(1 2) 2 1 2)
(deftest make-instance.order.2
(let* ((i 0) x y z w
(obj (make-instance 'make-instance-class-01
:a (setf x (incf i))
:b (setf y (incf i))
:b (setf z (incf i))
:a (setf w (incf i)))))
(values
(map-slot-value obj '(a b))
i x y z w))
(1 2) 4 1 2 3 4)
(deftest make-instance.order.3
(let* ((i 0) u x y z w
(obj (make-instance (prog1 'make-instance-class-01
(setf u (incf i)))
:a (setf x (incf i))
:b (setf y (incf i))
:b (setf z (incf i))
:a (setf w (incf i)))))
(values
(map-slot-value obj '(a b))
i u x y z w))
(2 3) 5 1 2 3 4 5)
|
