tests/dump.impure-cload.lisp

   1 ;;;; tests related to the way objects are dumped into fasl files
   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 (cl:in-package :cl-user)
  15
  16 (declaim (optimize (debug 3) (speed 2) (space 1)))
  17
  18 ;;; Don Geddis reported this test case 25 December 1999 on a CMU CL
  19 ;;; mailing list: dumping circular lists caused the compiler to enter
  20 ;;; an infinite loop. Douglas Crosher reported a patch 27 Dec 1999.
  21 ;;; The patch was tested on SBCL by Martin Atzmueller 2 Nov 2000, and
  22 ;;; merged in sbcl-0.6.8.11.
  23 (defun q-dg1999-1 () (dolist (x '#1=("A" "B" . #1#)) x))
  24 (defun q-dg1999-2 () (dolist (x '#1=("C" "D" . #1#)) x))
  25 (defun q-dg1999-3 () (dolist (x '#1=("E" "F" . #1#)) x))
  26 (defun q-dg1999-4 () (dolist (x '#1=("C" "D" . #1#)) x))
  27 (defun useful-dg1999 (keys)
  28   (declare (type list keys))
  29   (loop
  30       for c in '#1=("Red" "Blue" . #1#)
  31       for key in keys))
  32
  33 ;;; sbcl-0.6.11.25 or so had DEF!STRUCT/MAKE-LOAD-FORM/HOST screwed up
  34 ;;; so that the compiler couldn't dump pathnames.
  35 (format t "Now the compiler can dump pathnames again: ~S ~S~%" #p"" #p"/x/y/z")
  36
  37 (eval-when (:compile-toplevel :load-toplevel :execute)
  38   (defstruct foo x y)
  39   (defmethod make-load-form ((foo foo) &optional env)
  40     (declare (ignore env))
  41     ;; an extremely meaningless MAKE-LOAD-FORM method whose only point
  42     ;; is to exercise the mechanism a little bit
  43     (values `(make-foo :x (list ',(foo-x foo)))
  44             `(setf (foo-y ,foo) ',foo))))
  45
  46 (defparameter *foo*
  47   #.(make-foo :x "X" :y "Y"))
  48
  49 (assert (equalp (foo-x *foo*) '("X")))
  50 (assert (eql (foo-y *foo*) *foo*))
  51
  52 ;;; Logical pathnames should be dumpable, too, but what does it mean?
  53 ;;; As of sbcl-0.7.7.16, we've taken dumping the host part to mean
  54 ;;; dumping a reference to the name of the host (much as dumping a
  55 ;;; symbol involves dumping a reference to the name of its package).
  56 (eval-when (:compile-toplevel :load-toplevel :execute)
  57   (setf (logical-pathname-translations "MY-LOGICAL-HOST")
  58         (list '("**;*.*.*" "/tmp/*.*"))))
  59
  60 (defparameter *path* #p"MY-LOGICAL-HOST:FOO;BAR.LISP")
  61
  62 ;;; Non-SIMPLE-ARRAY VECTORs should be dumpable, though they can lose
  63 ;;; their complex attributes.
  64
  65 (defparameter *string* #.(make-array 3 :initial-element #\a
  66                                        :fill-pointer 2
  67                                        :element-type 'character))
  68
  69 ;;; SBCL 0.7.8 incorrectly read high bits of (COMPLEX DOUBLE-FLOAT)
  70 ;;; components as unsigned bytes.
  71 (defparameter *numbers*
  72   '(-1s0 -1f0 -1d0 -1l0
  73     #c(-1s0 -1s0) #c(-1f0 -1f0) #c(-1d0 -1d0) #c(-1l0 -1l0)))
  74 \f
  75 ;;; tests for MAKE-LOAD-FORM-SAVING-SLOTS
  76 (eval-when (:compile-toplevel :load-toplevel :execute)
  77   (defstruct savable-structure
  78     (a nil :type symbol)
  79     (b nil :type symbol :read-only t)
  80     (c nil :read-only t)
  81     (d 0 :type fixnum)
  82     (e 17 :type (unsigned-byte 32) :read-only t))
  83   (defmethod make-load-form ((s savable-structure) &optional env)
  84     (make-load-form-saving-slots s :environment env)))
  85 (defparameter *savable-structure*
  86   #.(make-savable-structure :a t :b 'frob :c 1 :d 39 :e 19))
  87 (assert (eql (savable-structure-a *savable-structure*) t))
  88 (assert (eql (savable-structure-b *savable-structure*) 'frob))
  89 (assert (eql (savable-structure-c *savable-structure*) 1))
  90 (assert (eql (savable-structure-d *savable-structure*) 39))
  91 (assert (eql (savable-structure-e *savable-structure*) 19))
  92
  93 ;;; null :SLOT-NAMES /= unsupplied
  94 (eval-when (:compile-toplevel :load-toplevel :execute)
  95   (defclass savable-class ()
  96     ((a :initform t :initarg :a)))
  97   (defmethod make-load-form ((s savable-class) &optional env)
  98     (make-load-form-saving-slots s :environment env :slot-names '())))
  99 (defparameter *savable-class*
 100   #.(make-instance 'savable-class :a 3))
 101 (assert (not (slot-boundp *savable-class* 'a)))
 102
 103 \f
 104 ;;; ensure that we can dump and reload specialized arrays whose element
 105 ;;; size is smaller than a byte (caused a few problems circa SBCL
 106 ;;; 0.8.14.4)
 107
 108 (defvar *1-bit* #.(make-array 5 :element-type 'bit :initial-element 0))
 109 (defvar *2-bit* #.(make-array 5 :element-type '(unsigned-byte 2) :initial-element 0))
 110 (defvar *4-bit* #.(make-array 5 :element-type '(unsigned-byte 4) :initial-element 1))
 111 \f
 112 ;;; tests for constant coalescing (and absence of such) in the
 113 ;;; presence of strings.
 114 (progn
 115   (defvar *character-string-1* #.(make-string 5 :initial-element #\a))
 116   (defvar *character-string-2* #.(make-string 5 :initial-element #\a))
 117   (assert (eq *character-string-1* *character-string-2*))
 118   (assert (typep *character-string-1* '(simple-array character (5)))))
 119
 120 (progn
 121   (defvar *base-string-1*
 122     #.(make-string 5 :initial-element #\b :element-type 'base-char))
 123   (defvar *base-string-2*
 124     #.(make-string 5 :initial-element #\b :element-type 'base-char))
 125   (assert (eq *base-string-1* *base-string-2*))
 126   (assert (typep *base-string-1* '(simple-base-string 5))))
 127
 128 #-#.(cl:if (cl:subtypep 'cl:character 'cl:base-char) '(and) '(or))
 129 (progn
 130   (defvar *base-string*
 131     #.(make-string 5 :element-type 'base-char :initial-element #\x))
 132   (defvar *character-string*
 133     #.(make-string 5 :initial-element #\x))
 134   (assert (not (eq *base-string* *character-string*)))
 135   (assert (typep *base-string* 'base-string))
 136   (assert (typep *character-string* '(vector character))))