tests/mop-11.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 attempts to test possible metacircularity issues arising
  15 ;;; from changing discriminating functions.
  16
  17 (defpackage "MOP-11"
  18   (:use "CL" "SB-MOP"))
  19 (in-package "MOP-11")
  20
  21 (defclass gf1-class (standard-generic-function) ()
  22   (:metaclass funcallable-standard-class))
  23 (defgeneric gf1 (x)
  24   (:method ((x t)) x)
  25   (:generic-function-class gf1-class))
  26 (assert (= (gf1 3) 3))
  27
  28 (defclass gf2-class (standard-generic-function) ()
  29   (:metaclass funcallable-standard-class))
  30 (defgeneric gf2 (y)
  31   (:method ((x number)) x)
  32   (:generic-function-class gf2-class))
  33 (assert (= (gf2 4) 4))
  34
  35 (defgeneric gf1a (x)
  36   (:method ((x symbol)) (symbol-name x))
  37   (:generic-function-class gf1-class))
  38 (assert (string= (gf1a t) "T"))
  39
  40 (defclass gf3-class (standard-generic-function) ()
  41   (:metaclass funcallable-standard-class))
  42 (defgeneric gf3 (x y)
  43   (:method ((x number) (y number)) (+ x y))
  44   (:generic-function-class gf3-class))
  45 (assert (= (gf3 1 2) 3))