tests/mop-15.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 tests that FINALIZE-INHERITANCE behaves intuitively:
  15 ;;; that when FINALIZE-INHERITANCE is called on a class, it returns
  16 ;;; before subclasses are finalized.
  17
  18 (defpackage "MOP-15"
  19   (:use "CL" "SB-MOP"))
  20
  21 (in-package "MOP-15")
  22
  23 (defclass mop-15-class (standard-class) ())
  24
  25 (defmethod validate-superclass ((s mop-15-class) (super standard-class))
  26   t)
  27
  28 (defvar *count* 0)
  29 (defvar *max-count* 0)
  30
  31 (defmethod finalize-inheritance ((c mop-15-class))
  32   (let ((*count* (1+ *count*)))
  33     (when (> *count* *max-count*)
  34       (setf *max-count* *count*))
  35     (call-next-method)))
  36
  37 (defclass sub (super)
  38   ()
  39   (:metaclass mop-15-class))
  40
  41 (defclass super ()
  42   ()
  43   (:metaclass mop-15-class))
  44
  45 (finalize-inheritance (find-class 'super))
  46 (finalize-inheritance (find-class  'sub))
  47
  48 (assert (= *max-count* 1))