tests/mop-6.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 simple tests for COMPUTE-SLOTS :AROUND
  15 ;;; respecting the order requested by the primary method.
  16
  17 (defpackage "MOP-6"
  18   (:use "CL" "SB-MOP" "TEST-UTIL"))
  19 (in-package "MOP-6")
  20
  21 ;;; COMPUTE-SLOTS :AROUND respecting requested order
  22 (defclass slot-rearrangement-class (standard-class)
  23   ())
  24 (defmethod compute-slots ((c slot-rearrangement-class))
  25   (reverse (call-next-method)))
  26 (defmethod validate-superclass ((c slot-rearrangement-class)
  27                                 (s standard-class))
  28   t)
  29 (defclass rearranged-class ()
  30   ((a :initarg :a :initform 1)
  31    (b :initarg :b :initform 2))
  32   (:metaclass slot-rearrangement-class))
  33
  34 (with-test (:name (compute-slots standard-class :order))
  35   (let ((class (find-class 'rearranged-class)))
  36     (finalize-inheritance class)
  37     (assert (equal (mapcar #'slot-definition-name (class-slots class))
  38                    '(b a)))))
  39 (with-test (:name (compute-slots standard-class :slots))
  40   (let ((r (make-instance 'rearranged-class))
  41         (r2 (make-instance 'rearranged-class :a 3 :b 4)))
  42     (assert (eql (slot-value r 'a) 1))
  43     (assert (eql (slot-value r 'b) 2))
  44     (assert (eql (slot-value r2 'a) 3))
  45     (assert (eql (slot-value r2 'b) 4))))
  46
  47 (defclass funcallable-slot-rearrangement-class (funcallable-standard-class)
  48   ())
  49 (defmethod compute-slots ((c funcallable-slot-rearrangement-class))
  50   (reverse (call-next-method)))
  51 (defmethod validate-superclass ((c funcallable-slot-rearrangement-class)
  52                                 (s funcallable-standard-class))
  53   t)
  54 (defclass funcallable-rearranged-class ()
  55   ((a :initarg :a :initform 1)
  56    (b :initarg :b :initform 2))
  57   (:metaclass funcallable-slot-rearrangement-class))
  58
  59 (with-test (:name (compute-slots funcallable-standard-class :order))
  60   (let ((class (find-class 'funcallable-rearranged-class)))
  61     (finalize-inheritance class)
  62     (assert (equal (mapcar #'slot-definition-name (class-slots class))
  63                    '(b a)))))
  64 (with-test (:name (compute-slots funcallable-standard-class :slots))
  65   (let ((r (make-instance 'funcallable-rearranged-class))
  66         (r2 (make-instance 'funcallable-rearranged-class :a 3 :b 4)))
  67     (assert (eql (slot-value r 'a) 1))
  68     (assert (eql (slot-value r 'b) 2))
  69     (assert (eql (slot-value r2 'a) 3))
  70     (assert (eql (slot-value r2 'b) 4))))
  71 (with-test (:name (compute-slots funcallable-standard-clas :function))
  72   (let ((r (make-instance 'funcallable-rearranged-class)))
  73     (set-funcallable-instance-function r (lambda (x) (list "Hello, World!" x)))
  74     (assert (equal (funcall r 3) '("Hello, World!" 3)))))