tests/mop-8.impure-cload.lisp

   1 ;;;; miscellaneous side-effectful tests of the MOP
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; While most of SBCL is derived from the CMU CL system, the test
   7 ;;;; files (like this one) were written from scratch after the fork
   8 ;;;; from CMU CL.
   9 ;;;;
  10 ;;;; This software is in the public domain and is provided with
  11 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
  12 ;;;; more information.
  13
  14 ;;; This file contains tests of UPDATE-DEPENDENT.
  15
  16 (defpackage "MOP-8"
  17   (:use "CL" "SB-MOP" "TEST-UTIL"))
  18
  19 (in-package "MOP-8")
  20
  21 (defclass dependent-history ()
  22   ((history :initarg :history :accessor history)))
  23
  24 (defmethod update-dependent ((generic-function generic-function)
  25                              (history dependent-history)
  26                              &rest args)
  27   (push args (history history)))
  28 (defmethod update-dependent ((class class)
  29                              (history dependent-history)
  30                              &rest args)
  31   (push (cons class args) (history history)))
  32
  33 (defvar *history* (make-instance 'dependent-history :history nil))
  34
  35 (defgeneric upd1 (x))
  36 (add-dependent #'upd1 *history*)
  37 (defmethod upd1 ((x integer)) x)
  38 (let ((last (car (history *history*))))
  39   (assert (eq (car last) 'add-method))
  40   (assert (typep (cadr last) 'standard-method)))
  41
  42 (defclass foo ()
  43   ())
  44 (add-dependent (find-class 'foo) *history*)
  45 (defclass foo ()
  46   ((a :initarg :a)))
  47 (let ((last (car (history *history*))))
  48   (assert (eq (car last) (find-class 'foo))))