File: mop-6.impure-cload.lisp

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;;;; miscellaneous side-effectful tests of the MOP

;;;; This software is part of the SBCL system. See the README file for
;;;; more information.
;;;;
;;;; While most of SBCL is derived from the CMU CL system, the test
;;;; files (like this one) were written from scratch after the fork
;;;; from CMU CL.
;;;;
;;;; This software is in the public domain and is provided with
;;;; absolutely no warranty. See the COPYING and CREDITS files for
;;;; more information.

;;; This file contains simple tests for COMPUTE-SLOTS :AROUND
;;; respecting the order requested by the primary method.

(defpackage "MOP-6"
  (:use "CL" "SB-MOP" "TEST-UTIL"))
(in-package "MOP-6")

;;; COMPUTE-SLOTS :AROUND respecting requested order
(defclass slot-rearrangement-class (standard-class)
  ())
(defmethod compute-slots ((c slot-rearrangement-class))
  (reverse (call-next-method)))
(defmethod validate-superclass ((c slot-rearrangement-class)
                                (s standard-class))
  t)
(defclass rearranged-class ()
  ((a :initarg :a :initform 1)
   (b :initarg :b :initform 2))
  (:metaclass slot-rearrangement-class))

(with-test (:name (compute-slots standard-class :order))
  (let ((class (find-class 'rearranged-class)))
    (finalize-inheritance class)
    (assert (equal (mapcar #'slot-definition-name (class-slots class))
                   '(b a)))))
(with-test (:name (compute-slots standard-class :slots))
  (let ((r (make-instance 'rearranged-class))
        (r2 (make-instance 'rearranged-class :a 3 :b 4)))
    (assert (eql (slot-value r 'a) 1))
    (assert (eql (slot-value r 'b) 2))
    (assert (eql (slot-value r2 'a) 3))
    (assert (eql (slot-value r2 'b) 4))))

(defclass funcallable-slot-rearrangement-class (funcallable-standard-class)
  ())
(defmethod compute-slots ((c funcallable-slot-rearrangement-class))
  (reverse (call-next-method)))
(defmethod validate-superclass ((c funcallable-slot-rearrangement-class)
                                (s funcallable-standard-class))
  t)
(defclass funcallable-rearranged-class ()
  ((a :initarg :a :initform 1)
   (b :initarg :b :initform 2))
  (:metaclass funcallable-slot-rearrangement-class))

(with-test (:name (compute-slots funcallable-standard-class :order))
  (let ((class (find-class 'funcallable-rearranged-class)))
    (finalize-inheritance class)
    (assert (equal (mapcar #'slot-definition-name (class-slots class))
                   '(b a)))))
(with-test (:name (compute-slots funcallable-standard-class :slots))
  (let ((r (make-instance 'funcallable-rearranged-class))
        (r2 (make-instance 'funcallable-rearranged-class :a 3 :b 4)))
    (assert (eql (slot-value r 'a) 1))
    (assert (eql (slot-value r 'b) 2))
    (assert (eql (slot-value r2 'a) 3))
    (assert (eql (slot-value r2 'b) 4))))
(with-test (:name (compute-slots funcallable-standard-clas :function))
  (let ((r (make-instance 'funcallable-rearranged-class)))
    (set-funcallable-instance-function r (lambda (x) (list "Hello, World!" x)))
    (assert (equal (funcall r 3) '("Hello, World!" 3)))))