1 ;;;; This software is part of the SBCL system. See the README file for
4 ;;;; While most of SBCL is derived from the CMU CL system, the test
5 ;;;; files (like this one) were written from scratch after the fork
8 ;;;; This software is in the public domain and is provided with
9 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
10 ;;;; more information.
12 (load "assertoid.lisp")
13 (use-package "ASSERTOID")
15 ;;;; examples from, or close to, the Common Lisp DEFSTRUCT spec
17 ;;; Type mismatch of slot default init value isn't an error until the
18 ;;; default init value is actually used. (The justification is
19 ;;; somewhat bogus, but the requirement is clear.)
20 (defstruct person age (name 007 :type string)) ; not an error until 007 used
21 (make-person :name "James") ; not an error, 007 not used
23 #+#.(cl:if (cl:eq sb-ext:*evaluator-mode* :compile) '(and) '(or))
24 (assert (raises-error? (make-person) type-error))
25 #+#.(cl:if (cl:eq sb-ext:*evaluator-mode* :compile) '(and) '(or))
26 (assert (raises-error? (setf (person-name (make-person :name "Q")) 1)
29 ;;; An &AUX variable in a boa-constructor without a default value
30 ;;; means "do not initialize slot" and does not cause type error
31 (declaim (notinline opaque-identity))
32 (defun opaque-identity (x) x)
34 (defstruct (boa-saux (:constructor make-boa-saux (&aux a (b 3) (c))))
35 (a #\! :type (integer 1 2))
36 (b #\? :type (integer 3 4))
37 (c #\# :type (integer 5 6)))
38 (let ((s (make-boa-saux)))
39 (locally (declare (optimize (safety 3))
41 (assert (raises-error? (opaque-identity (boa-saux-a s)) type-error)))
42 (setf (boa-saux-a s) 1)
43 (setf (boa-saux-c s) 5)
44 (assert (eql (boa-saux-a s) 1))
45 (assert (eql (boa-saux-b s) 3))
46 (assert (eql (boa-saux-c s) 5)))
47 ; these two checks should be
50 #+#.(cl:if (cl:eq sb-ext:*evaluator-mode* :compile) '(and) '(or))
51 (let ((s (make-boa-saux)))
52 (locally (declare (optimize (safety 0))
54 (assert (eql (opaque-identity (boa-saux-a s)) 0)))
55 (setf (boa-saux-a s) 1)
56 (setf (boa-saux-c s) 5)
57 (assert (eql (boa-saux-a s) 1))
58 (assert (eql (boa-saux-b s) 3))
59 (assert (eql (boa-saux-c s) 5)))
61 (let ((s (make-boa-saux)))
62 (locally (declare (optimize (safety 3))
63 (notinline boa-saux-a))
64 (assert (raises-error? (opaque-identity (boa-saux-a s)) type-error)))
65 (setf (boa-saux-a s) 1)
66 (setf (boa-saux-c s) 5)
67 (assert (eql (boa-saux-a s) 1))
68 (assert (eql (boa-saux-b s) 3))
69 (assert (eql (boa-saux-c s) 5)))
72 (defstruct (astronaut (:include person)
75 (favorite-beverage 'tang))
76 (let ((x (make-astronaut :name "Buzz" :helmet-size 17.5)))
77 (assert (equal (person-name x) "Buzz"))
78 (assert (equal (astro-name x) "Buzz"))
79 (assert (eql (astro-favorite-beverage x) 'tang))
80 (assert (null (astro-age x))))
81 (defstruct (ancient-astronaut (:include person (age 77)))
83 (favorite-beverage 'tang))
84 (assert (eql (ancient-astronaut-age (make-ancient-astronaut :name "John")) 77))
86 ;;; interaction of :TYPE and :INCLUDE and :INITIAL-OFFSET
87 (defstruct (binop (:type list) :named (:initial-offset 2))
88 (operator '? :type symbol)
91 (defstruct (annotated-binop (:type list)
94 commutative associative identity)
95 (assert (equal (make-annotated-binop :operator '*
101 '(nil nil binop * x 5 nil nil nil t t 1)))
103 ;;; effect of :NAMED on :TYPE
104 (defstruct (named-binop (:type list) :named)
105 (operator '? :type symbol)
108 (let ((named-binop (make-named-binop :operator '+ :operand-1 'x :operand-2 5)))
109 ;; The data representation is specified to look like this.
110 (assert (equal named-binop '(named-binop + x 5)))
111 ;; A meaningful NAMED-BINOP-P is defined.
112 (assert (named-binop-p named-binop))
113 (assert (named-binop-p (copy-list named-binop)))
114 (assert (not (named-binop-p (cons 11 named-binop))))
115 (assert (not (named-binop-p (find-package :cl)))))
121 (firetrucks 1 :type fixnum)
123 (elevation 5128 :read-only t))
124 (let ((town1 (make-town :area 0 :watertowers 0)))
125 (assert (town-p town1))
126 (assert (not (town-p 1)))
127 (assert (eql (town-area town1) 0))
128 (assert (eql (town-elevation town1) 5128))
129 (assert (null (town-population town1)))
130 (setf (town-population town1) 99)
131 (assert (eql (town-population town1) 99))
132 (let ((town2 (copy-town town1)))
133 (dolist (slot-accessor-name '(town-area
138 (assert (eql (funcall slot-accessor-name town1)
139 (funcall slot-accessor-name town2))))
140 (assert (not (fboundp '(setf town-elevation)))))) ; 'cause it's :READ-ONLY
143 (defstruct (clown (:conc-name bozo-))
147 (let ((funny-clown (make-clown)))
148 (assert (eql (bozo-nose-color funny-clown) 'red)))
149 (defstruct (klown (:constructor make-up-klown)
150 (:copier clone-klown)
151 (:predicate is-a-bozo-p))
155 (assert (is-a-bozo-p (make-up-klown)))
157 ;;;; systematically testing variants of DEFSTRUCT:
158 ;;;; * native, :TYPE LIST, and :TYPE VECTOR
160 ;;; FIXME: things to test:
161 ;;; * Slot readers work.
162 ;;; * Slot writers work.
163 ;;; * Predicates work.
165 ;;; FIXME: things that would be nice to test systematically someday:
166 ;;; * constructors (default, boa..)
168 ;;; * no type checks when (> SPEED SAFETY)
169 ;;; * Tests of inclusion would be good. (It's tested very lightly
170 ;;; above, and then tested a fair amount by the system compiling
173 (defun string+ (&rest rest)
174 (apply #'concatenate 'string
175 (mapcar #'string rest)))
176 (defun symbol+ (&rest rest)
177 (values (intern (apply #'string+ rest))))
179 (defun accessor-name (conc-name slot-name)
180 (symbol+ conc-name slot-name))
182 ;;; Use the ordinary FDEFINITIONs of accessors (not inline expansions)
183 ;;; to read and write a structure slot.
184 (defun read-slot-notinline (conc-name slot-name instance)
185 (funcall (accessor-name conc-name slot-name) instance))
186 (defun write-slot-notinline (new-value conc-name slot-name instance)
187 (funcall (fdefinition `(setf ,(accessor-name conc-name slot-name)))
190 ;;; Use inline expansions of slot accessors, if possible, to read and
191 ;;; write a structure slot.
192 (defun read-slot-inline (conc-name slot-name instance)
193 (funcall (compile nil
195 (,(accessor-name conc-name slot-name) instance)))
197 (defun write-slot-inline (new-value conc-name slot-name instance)
198 (funcall (compile nil
199 `(lambda (new-value instance)
200 (setf (,(accessor-name conc-name slot-name) instance)
205 ;;; Read a structure slot, checking that the inline and out-of-line
206 ;;; accessors give the same result.
207 (defun read-slot (conc-name slot-name instance)
208 (let ((inline-value (read-slot-inline conc-name slot-name instance))
209 (notinline-value (read-slot-notinline conc-name slot-name instance)))
210 (assert (eql inline-value notinline-value))
213 ;;; Write a structure slot, using INLINEP argument to decide
214 ;;; on inlineness of accessor used.
215 (defun write-slot (new-value conc-name slot-name instance inlinep)
217 (write-slot-inline new-value conc-name slot-name instance)
218 (write-slot-notinline new-value conc-name slot-name instance)))
220 ;;; bound during the tests so that we can get to it even if the
221 ;;; debugger is having a bad day
224 (declaim (optimize (debug 2)))
226 (defmacro test-variant (defstructname &key colontype boa-constructor-p)
229 (format t "~&/beginning PROGN for COLONTYPE=~S~%" ',colontype)
231 (defstruct (,defstructname
232 ,@(when colontype `((:type ,colontype)))
233 ,@(when boa-constructor-p
234 `((:constructor ,(symbol+ "CREATE-" defstructname)
237 (optional-test 2 optional-test-p)
240 (no-home-comment "Home package CL not provided.")
241 (comment (if home-p "" no-home-comment))
242 (refcount (if optional-test-p optional-test nil))
246 ;; some ordinary tagged slots
248 (home nil :type package :read-only t)
249 (comment "" :type simple-string)
251 (weight 1.0 :type single-float)
252 (hash 1 :type (integer 1 #.(* 3 most-positive-fixnum)) :read-only t)
253 ;; more ordinary tagged slots
254 (refcount 0 :type (and unsigned-byte fixnum)))
256 (format t "~&/done with DEFSTRUCT~%")
258 (let* ((cn (string+ ',defstructname "-")) ; conc-name
259 (ctor (symbol-function ',(symbol+ (if boa-constructor-p
263 (*instance* (funcall ctor
264 ,@(unless boa-constructor-p
266 ,@(when boa-constructor-p
268 :home (find-package :cl)
269 :hash (+ 14 most-positive-fixnum)
270 ,@(unless boa-constructor-p
273 ;; Check that ctor set up slot values correctly.
274 (format t "~&/checking constructed structure~%")
275 (assert (string= "some id" (read-slot cn "ID" *instance*)))
276 (assert (eql (find-package :cl) (read-slot cn "HOME" *instance*)))
277 (assert (string= "" (read-slot cn "COMMENT" *instance*)))
278 (assert (= 1.0 (read-slot cn "WEIGHT" *instance*)))
279 (assert (eql (+ 14 most-positive-fixnum)
280 (read-slot cn "HASH" *instance*)))
281 (assert (= 1 (read-slot cn "REFCOUNT" *instance*)))
283 ;; There should be no writers for read-only slots.
284 (format t "~&/checking no read-only writers~%")
285 (assert (not (fboundp `(setf ,(symbol+ cn "HOME")))))
286 (assert (not (fboundp `(setf ,(symbol+ cn "HASH")))))
287 ;; (Read-only slot values are checked in the loop below.)
289 (dolist (inlinep '(t nil))
290 (format t "~&/doing INLINEP=~S~%" inlinep)
291 ;; Fiddle with writable slot values.
292 (let ((new-id (format nil "~S" (random 100)))
293 (new-comment (format nil "~X" (random 5555)))
294 (new-weight (random 10.0)))
295 (write-slot new-id cn "ID" *instance* inlinep)
296 (write-slot new-comment cn "COMMENT" *instance* inlinep)
297 (write-slot new-weight cn "WEIGHT" *instance* inlinep)
298 (assert (eql new-id (read-slot cn "ID" *instance*)))
299 (assert (eql new-comment (read-slot cn "COMMENT" *instance*)))
300 ;;(unless (eql new-weight (read-slot cn "WEIGHT" *instance*))
301 ;; (error "WEIGHT mismatch: ~S vs. ~S"
302 ;; new-weight (read-slot cn "WEIGHT" *instance*)))
303 (assert (eql new-weight (read-slot cn "WEIGHT" *instance*)))))
304 (format t "~&/done with INLINEP loop~%")
306 ;; :TYPE FOO objects don't go in the Lisp type system, so we
307 ;; can't test TYPEP stuff for them.
309 ;; FIXME: However, when they're named, they do define
310 ;; predicate functions, and we could test those.
312 `(;; Fiddle with predicate function.
313 (let ((pred-name (symbol+ ',defstructname "-P")))
314 (format t "~&/doing tests on PRED-NAME=~S~%" pred-name)
315 (assert (funcall pred-name *instance*))
316 (assert (not (funcall pred-name 14)))
317 (assert (not (funcall pred-name "test")))
318 (assert (not (funcall pred-name (make-hash-table))))
320 (compile nil `(lambda (x) (,pred-name x)))))
321 (format t "~&/doing COMPILED-PRED tests~%")
322 (assert (funcall compiled-pred *instance*))
323 (assert (not (funcall compiled-pred 14)))
324 (assert (not (funcall compiled-pred #()))))
325 ;; Fiddle with TYPEP.
326 (format t "~&/doing TYPEP tests, COLONTYPE=~S~%" ',colontype)
327 (assert (typep *instance* ',defstructname))
328 (assert (not (typep 0 ',defstructname)))
329 (assert (funcall (symbol+ "TYPEP") *instance* ',defstructname))
330 (assert (not (funcall (symbol+ "TYPEP") nil ',defstructname)))
331 (let* ((typename ',defstructname)
333 (compile nil `(lambda (x) (typep x ',typename)))))
334 (assert (funcall compiled-typep *instance*))
335 (assert (not (funcall compiled-typep nil))))))))
337 (format t "~&/done with PROGN for COLONTYPE=~S~%" ',colontype)))
339 (test-variant vanilla-struct)
340 (test-variant vector-struct :colontype vector)
341 (test-variant list-struct :colontype list)
342 (test-variant vanilla-struct :boa-constructor-p t)
343 (test-variant vector-struct :colontype vector :boa-constructor-p t)
344 (test-variant list-struct :colontype list :boa-constructor-p t)
347 ;;;; testing raw slots harder
349 ;;;; The offsets of raw slots need to be rescaled during the punning
350 ;;;; process which is used to access them. That seems like a good
351 ;;;; place for errors to lurk, so we'll try hunting for them by
352 ;;;; verifying that all the raw slot data gets written successfully
353 ;;;; into the object, can be copied with the object, and can then be
354 ;;;; read back out (with none of it ending up bogusly outside the
355 ;;;; object, so that it couldn't be copied, or bogusly overwriting
356 ;;;; some other raw slot).
359 (a (expt 2 30) :type (unsigned-byte #.sb-vm:n-word-bits))
360 (b 0.1 :type single-float)
361 (c 0.2d0 :type double-float)
362 (d #c(0.3 0.3) :type (complex single-float))
363 unraw-slot-just-for-variety
364 (e #c(0.4d0 0.4d0) :type (complex double-float))
365 (aa (expt 2 30) :type (unsigned-byte #.sb-vm:n-word-bits))
366 (bb 0.1 :type single-float)
367 (cc 0.2d0 :type double-float)
368 (dd #c(0.3 0.3) :type (complex single-float))
369 (ee #c(0.4d0 0.4d0) :type (complex double-float)))
371 (defvar *manyraw* (make-manyraw))
373 (assert (eql (manyraw-a *manyraw*) (expt 2 30)))
374 (assert (eql (manyraw-b *manyraw*) 0.1))
375 (assert (eql (manyraw-c *manyraw*) 0.2d0))
376 (assert (eql (manyraw-d *manyraw*) #c(0.3 0.3)))
377 (assert (eql (manyraw-e *manyraw*) #c(0.4d0 0.4d0)))
378 (assert (eql (manyraw-aa *manyraw*) (expt 2 30)))
379 (assert (eql (manyraw-bb *manyraw*) 0.1))
380 (assert (eql (manyraw-cc *manyraw*) 0.2d0))
381 (assert (eql (manyraw-dd *manyraw*) #c(0.3 0.3)))
382 (assert (eql (manyraw-ee *manyraw*) #c(0.4d0 0.4d0)))
384 (setf (manyraw-aa *manyraw*) (expt 2 31)
385 (manyraw-bb *manyraw*) 0.11
386 (manyraw-cc *manyraw*) 0.22d0
387 (manyraw-dd *manyraw*) #c(0.33 0.33)
388 (manyraw-ee *manyraw*) #c(0.44d0 0.44d0))
390 (let ((copy (copy-manyraw *manyraw*)))
391 (assert (eql (manyraw-a copy) (expt 2 30)))
392 (assert (eql (manyraw-b copy) 0.1))
393 (assert (eql (manyraw-c copy) 0.2d0))
394 (assert (eql (manyraw-d copy) #c(0.3 0.3)))
395 (assert (eql (manyraw-e copy) #c(0.4d0 0.4d0)))
396 (assert (eql (manyraw-aa copy) (expt 2 31)))
397 (assert (eql (manyraw-bb copy) 0.11))
398 (assert (eql (manyraw-cc copy) 0.22d0))
399 (assert (eql (manyraw-dd copy) #c(0.33 0.33)))
400 (assert (eql (manyraw-ee copy) #c(0.44d0 0.44d0))))
403 ;;;; Since GC treats raw slots specially now, let's try this with more objects
404 ;;;; and random values as a stress test.
408 (defconstant +n-manyraw+ 10)
409 (defconstant +m-manyraw+ 1000)
411 (defun check-manyraws (manyraws)
412 (assert (eql (length manyraws) (* +n-manyraw+ +m-manyraw+)))
414 for m in (reverse manyraws)
417 ;; Compare the tagged reference values with raw reffer results.
418 (destructuring-bind (j a b c d e)
419 (manyraw-unraw-slot-just-for-variety m)
421 (assert (= (manyraw-a m) a))
422 (assert (= (manyraw-b m) b))
423 (assert (= (manyraw-c m) c))
424 (assert (= (manyraw-d m) d))
425 (assert (= (manyraw-e m) e)))
426 ;; Test the funny out-of-line OAOOM-style closures, too.
427 (mapcar (lambda (fn value)
428 (assert (= (funcall fn m) value)))
434 (cdr (manyraw-unraw-slot-just-for-variety m)))))
436 (defstruct (manyraw-subclass (:include manyraw))
437 (stolperstein 0 :type (unsigned-byte 32)))
439 ;;; create lots of manyraw objects, triggering GC every now and then
440 (dotimes (y +n-manyraw+)
441 (dotimes (x +m-manyraw+)
442 (let ((a (random (expt 2 32)))
443 (b (random most-positive-single-float))
444 (c (random most-positive-double-float))
446 (random most-positive-single-float)
447 (random most-positive-single-float)))
449 (random most-positive-double-float)
450 (random most-positive-double-float))))
451 (push (funcall (if (zerop (mod x 3))
452 #'make-manyraw-subclass
454 :unraw-slot-just-for-variety
455 (list (+ x (* y +m-manyraw+)) a b c d e)
464 (check-manyraws *manyraw*)
466 ;;; try a full GC, too
468 (check-manyraws *manyraw*)
470 ;;; fasl dumper and loader also have special handling of raw slots, so
471 ;;; dump all of them into a fasl
472 (defmethod make-load-form ((self manyraw) &optional env)
474 :sb-just-dump-it-normally)
475 (with-open-file (s "tmp-defstruct.manyraw.lisp"
477 :if-exists :supersede)
478 (write-string "(defun dumped-manyraws () '#.*manyraw*)" s))
479 (compile-file "tmp-defstruct.manyraw.lisp")
480 (delete-file "tmp-defstruct.manyraw.lisp")
482 ;;; nuke the objects and try another GC just to be extra careful
486 ;;; re-read the dumped structures and check them
487 (load "tmp-defstruct.manyraw.fasl")
488 (check-manyraws (dumped-manyraws))
491 ;;;; miscellaneous old bugs
493 (defstruct ya-struct)
494 (when (ignore-errors (or (ya-struct-p) 12))
495 (error "YA-STRUCT-P of no arguments should signal an error."))
496 (when (ignore-errors (or (ya-struct-p 'too 'many 'arguments) 12))
497 (error "YA-STRUCT-P of three arguments should signal an error."))
499 ;;; bug 210: Until sbcl-0.7.8.32 BOA constructors had SAFETY 0
500 ;;; declared inside on the theory that slot types were already
501 ;;; checked, which bogusly suppressed unbound-variable and other
502 ;;; checks within the evaluation of initforms.
504 (defstruct (bug210a (:constructor bug210a ()))
508 ;;; Because of bug 210, this assertion used to fail.
509 (assert (typep (nth-value 1 (ignore-errors (bug210a))) 'unbound-variable))
510 ;;; Even with bug 210, these assertions succeeded.
511 (assert (typep (nth-value 1 (ignore-errors *bug210*)) 'unbound-variable))
512 (assert (typep (nth-value 1 (ignore-errors (make-bug210b))) 'unbound-variable))
514 ;;; In sbcl-0.7.8.53, DEFSTRUCT blew up in non-toplevel contexts
515 ;;; because it implicitly assumed that EVAL-WHEN (COMPILE) stuff
516 ;;; setting up compiler-layout information would run before the
517 ;;; constructor function installing the layout was compiled. Make sure
518 ;;; that doesn't happen again.
519 (defun foo-0-7-8-53 () (defstruct foo-0-7-8-53 x (y :not)))
520 (assert (not (find-class 'foo-0-7-8-53 nil)))
522 (assert (find-class 'foo-0-7-8-53 nil))
523 (let ((foo-0-7-8-53 (make-foo-0-7-8-53 :x :s)))
524 (assert (eq (foo-0-7-8-53-x foo-0-7-8-53) :s))
525 (assert (eq (foo-0-7-8-53-y foo-0-7-8-53) :not)))
527 ;;; tests of behaviour of colliding accessors.
528 (defstruct (bug127-foo (:conc-name bug127-baz-)) a)
529 (assert (= (bug127-baz-a (make-bug127-foo :a 1)) 1))
530 (defstruct (bug127-bar (:conc-name bug127-baz-) (:include bug127-foo)) b)
531 (assert (= (bug127-baz-a (make-bug127-bar :a 1 :b 2)) 1))
532 (assert (= (bug127-baz-b (make-bug127-bar :a 1 :b 2)) 2))
533 (assert (= (bug127-baz-a (make-bug127-foo :a 1)) 1))
535 (defun bug127-flurble (x)
537 (defstruct bug127 flurble)
538 (assert (= (bug127-flurble (make-bug127 :flurble 7)) 7))
540 (defstruct bug127-a b-c)
541 (assert (= (bug127-a-b-c (make-bug127-a :b-c 9)) 9))
542 (defstruct (bug127-a-b (:include bug127-a)) c)
543 (assert (= (bug127-a-b-c (make-bug127-a :b-c 9)) 9))
544 (assert (= (bug127-a-b-c (make-bug127-a-b :b-c 11 :c 13)) 11))
546 (defstruct (bug127-e (:conc-name bug127--)) foo)
547 (assert (= (bug127--foo (make-bug127-e :foo 3)) 3))
548 (defstruct (bug127-f (:conc-name bug127--)) foo)
549 (assert (= (bug127--foo (make-bug127-f :foo 3)) 3))
550 (assert (raises-error? (bug127--foo (make-bug127-e :foo 3)) type-error))
552 ;;; FIXME: should probably do the same tests on DEFSTRUCT :TYPE
554 ;;; As noted by Paul Dietz for CMUCL, :CONC-NAME handling was a little
556 (defstruct (conc-name-syntax :conc-name) a-conc-name-slot)
557 (assert (eq (a-conc-name-slot (make-conc-name-syntax :a-conc-name-slot 'y))
559 ;;; and further :CONC-NAME NIL was being wrongly treated:
560 (defpackage "DEFSTRUCT-TEST-SCRATCH")
561 (defstruct (conc-name-nil :conc-name)
562 defstruct-test-scratch::conc-name-nil-slot)
563 (assert (= (defstruct-test-scratch::conc-name-nil-slot
564 (make-conc-name-nil :conc-name-nil-slot 1)) 1))
565 (assert (raises-error? (conc-name-nil-slot (make-conc-name-nil))
568 ;;; The named/typed predicates were a little fragile, in that they
569 ;;; could throw errors on innocuous input:
570 (defstruct (list-struct (:type list) :named) a-slot)
571 (assert (list-struct-p (make-list-struct)))
572 (assert (not (list-struct-p nil)))
573 (assert (not (list-struct-p 1)))
574 (defstruct (offset-list-struct (:type list) :named (:initial-offset 1)) a-slot)
575 (assert (offset-list-struct-p (make-offset-list-struct)))
576 (assert (not (offset-list-struct-p nil)))
577 (assert (not (offset-list-struct-p 1)))
578 (assert (not (offset-list-struct-p '(offset-list-struct))))
579 (assert (not (offset-list-struct-p '(offset-list-struct . 3))))
580 (defstruct (vector-struct (:type vector) :named) a-slot)
581 (assert (vector-struct-p (make-vector-struct)))
582 (assert (not (vector-struct-p nil)))
583 (assert (not (vector-struct-p #())))
586 ;;; bug 3d: type safety with redefined type constraints on slots
587 #+#.(cl:if (cl:eq sb-ext:*evaluator-mode* :compile) '(and) '(or))
590 (let* ((base-name (intern (format nil "bug3d-~A" type)))
591 (up-name (intern (format nil "~A-up" base-name)))
592 (accessor (intern (format nil "~A-X" base-name)))
593 (up-accessor (intern (format nil "~A-X" up-name)))
594 (type-options (when type `((:type ,type)))))
596 (defstruct (,base-name ,@type-options)
598 (defstruct (,up-name (:include ,base-name
599 (x "x" :type simple-string)
600 (y "y" :type simple-string))
602 (let ((ob (,(intern (format nil "MAKE-~A" up-name)))))
603 (setf (,accessor ob) 0)
604 (loop for decl in '(inline notinline)
605 for fun = `(lambda (s)
606 (declare (optimize (safety 3))
607 (,decl ,',up-accessor))
609 do (assert (raises-error? (funcall (compile nil fun) ob)
615 (let* ((name (gensym))
616 (form `(defstruct ,name
617 (x nil :type (or null (function (integer)
618 (values number &optional foo)))))))
619 (eval (copy-tree form))
620 (eval (copy-tree form)))
622 ;;; 322: "DEFSTRUCT :TYPE LIST predicate and improper lists"
623 ;;; reported by Bruno Haible sbcl-devel "various SBCL bugs" from CLISP
625 (defstruct (bug-332a (:type list) (:initial-offset 5) :named))
626 (defstruct (bug-332b (:type list) (:initial-offset 2) :named (:include bug-332a)))
627 (assert (not (bug-332b-p (list* nil nil nil nil nil 'foo73 nil 'tail))))
628 (assert (not (bug-332b-p 873257)))
629 (assert (not (bug-332b-p '(1 2 3 4 5 x 1 2 bug-332a))))
630 (assert (bug-332b-p '(1 2 3 4 5 x 1 2 bug-332b)))
632 ;;; Similar test for vectors, just for good measure.
633 (defstruct (bug-332a-aux (:type vector)
634 (:initial-offset 5) :named))
635 (defstruct (bug-332b-aux (:type vector)
636 (:initial-offset 2) :named
637 (:include bug-332a-aux)))
638 (assert (not (bug-332b-aux-p #(1 2 3 4 5 x 1 premature-end))))
639 (assert (not (bug-332b-aux-p 873257)))
640 (assert (not (bug-332b-aux-p #(1 2 3 4 5 x 1 2 bug-332a-aux))))
641 (assert (bug-332b-aux-p #(1 2 3 4 5 x 1 2 bug-332b-aux)))
643 ;;; In sbcl-0.8.11.8 FBOUNDPness potential collisions of structure
644 ;;; slot accessors signalled a condition at macroexpansion time, not
645 ;;; when the code was actually compiled or loaded.
646 (let ((defstruct-form '(defstruct bug-in-0-8-11-8 x)))
647 (defun bug-in-0-8-11-8-x (z) (print "some unrelated thing"))
648 (handler-case (macroexpand defstruct-form)
650 (error "shouldn't warn just from macroexpansion here"))))
652 ;;; bug 318 symptom no 1. (rest not fixed yet)
654 (handler-bind ((error (lambda (c)
655 ;; Used to cause stack-exhaustion
656 (unless (typep c 'storage-condition)
660 (setf (find-class 'foo) nil)
661 (defstruct foo slot-1)))))
663 ;;; bug 348, evaluation order of slot writer arguments. Fixed by Gabor
665 (defstruct bug-348 x)
667 (assert (eql -1 (let ((i (eval '-2))
669 (funcall #'(setf bug-348-x)
671 (aref (vector x) (incf i)))
674 ;;; obsolete instance trapping
676 ;;; FIXME: Both error conditions below should possibly be instances
677 ;;; of the same class. (Putting this FIXME here, since this is the only
678 ;;; place where they appear together.)
680 (with-test (:name obsolete-defstruct/print-object)
681 (eval '(defstruct born-to-change))
682 (let ((x (make-born-to-change)))
683 (handler-bind ((error 'continue))
684 (eval '(defstruct born-to-change slot)))
688 (sb-pcl::obsolete-structure ()
691 (with-test (:name obsolete-defstruct/typep)
692 (eval '(defstruct born-to-change-2))
693 (let ((x (make-born-to-change-2)))
694 (handler-bind ((error 'continue))
695 (eval '(defstruct born-to-change-2 slot)))
698 (typep x (find-class 'standard-class))
699 (sb-kernel:layout-invalid ()
702 ;; EQUALP didn't work for structures with float slots (reported by
703 ;; Vjacheslav Fyodorov).
704 (defstruct raw-slot-equalp-bug
705 (b 0s0 :type single-float)
707 (a 0d0 :type double-float))
709 (with-test (:name raw-slot-equalp)
710 (assert (equalp (make-raw-slot-equalp-bug :a 1d0 :b 2s0)
711 (make-raw-slot-equalp-bug :a 1d0 :b 2s0)))
712 (assert (equalp (make-raw-slot-equalp-bug :a 1d0 :b 0s0)
713 (make-raw-slot-equalp-bug :a 1d0 :b -0s0)))
714 (assert (not (equalp (make-raw-slot-equalp-bug :a 1d0 :b 2s0)
715 (make-raw-slot-equalp-bug :a 1d0 :b 3s0))))
716 (assert (not (equalp (make-raw-slot-equalp-bug :a 1d0 :b 2s0)
717 (make-raw-slot-equalp-bug :a 2d0 :b 2s0)))))
719 ;;; Check that all slot types (non-raw and raw) can be initialized with
720 ;;; constant arguments.
721 (defstruct constant-arg-inits
724 (c 2 :type sb-vm:word)
725 (d 3.0 :type single-float)
726 (e 4.0d0 :type double-float)
727 (f #c(5.0 5.0) :type (complex single-float))
728 (g #c(6.0d0 6.0d0) :type (complex double-float)))
729 (defun test-constant-arg-inits ()
730 (let ((foo (make-constant-arg-inits)))
731 (declare (dynamic-extent foo))
732 (assert (eql 42 (constant-arg-inits-a foo)))
733 (assert (eql 1 (constant-arg-inits-b foo)))
734 (assert (eql 2 (constant-arg-inits-c foo)))
735 (assert (eql 3.0 (constant-arg-inits-d foo)))
736 (assert (eql 4.0d0 (constant-arg-inits-e foo)))
737 (assert (eql #c(5.0 5.0) (constant-arg-inits-f foo)))
738 (assert (eql #c(6.0d0 6.0d0) (constant-arg-inits-g foo)))))
739 (make-constant-arg-inits)
741 ;;; bug reported by John Morrison, 2008-07-22 on sbcl-devel
742 (defstruct (raw-slot-struct-with-unknown-init (:constructor make-raw-slot-struct-with-unknown-init ()))
743 (x (#:unknown-function) :type double-float))
745 ;;; Some checks for the behavior of incompatibly redefining structure
746 ;;; classes. We don't actually check that our detection of
747 ;;; "incompatible" is comprehensive, only that if an incompatible
748 ;;; definition is processed, we do various things.
749 (defmacro with-files ((&rest vars) &body body)
750 "Evaluate BODY with VARS bound to a number of filenames, then
751 delete the files at the end."
752 (let* ((paths (loop for var in vars
754 collect (make-pathname
757 "DEFSTRUCT-REDEF-TEST-~D"
760 (binding-spec (mapcar
761 (lambda (var path) `(,var ,path)) vars paths)))
768 (delete-file ,(elt paths n))))))
770 ,@(frob (1- (length vars)))))))
772 (defun noclobber (pathspec &rest forms)
773 "Write FORMS to the file named by PATHSPEC, erroring if
774 PATHSPEC already names an existing file."
775 (with-open-file (*standard-output* pathspec :direction :output
777 (print '(in-package "CL-USER"))
778 (mapc #'print forms)))
780 (defun compile-file-assert (file &optional (want-error-p t) (want-warning-p t))
781 "Compile FILE and assert some things about the results."
782 (multiple-value-bind (fasl errors-p warnings-p)
785 (assert (eq errors-p want-error-p))
786 (assert (eq warnings-p want-warning-p))
789 (defun continue-from-incompatible-defstruct-error (error)
790 "Invoke the CONTINUE restart for an incompatible DEFSTRUCT
792 ;; FIXME: want distinct error type for incompatible defstruct.
793 (when (search "attempt to redefine" (simple-condition-format-control error))
794 (when (find-restart 'continue)
795 (invoke-restart 'continue))))
797 (defun recklessly-continue-from-incompatible-defstruct-error (error)
798 "Invoke the RECKLESSLY-CONTINUE restart for an incompatible DEFSTRUCT
800 ;; FIXME: want distinct error type for incompatible defstruct.
801 (when (search "attempt to redefine" (simple-condition-format-control error))
802 (when (find-restart 'sb-kernel::recklessly-continue)
803 (invoke-restart 'sb-kernel::recklessly-continue))))
805 (defun assert-is (predicate instance)
806 (assert (funcall predicate instance)))
808 (defun assert-invalid (predicate instance)
809 (assert (typep (nth-value 1 (ignore-errors (funcall predicate instance)))
810 'sb-kernel::layout-invalid)))
812 ;; Don't try to understand this macro; just look at its expansion.
813 (defmacro with-defstruct-redefinition-test (name
814 (&rest defstruct-form-bindings)
815 (&rest path-form-specs)
818 (labels ((make-defstruct-form (&key class-name super-name slots)
819 (let* ((predicate-name
820 (read-from-string (format nil "~A-p" class-name)))
822 (read-from-string (format nil "make-~A" class-name))))
824 '(defstruct (,class-name
825 (:constructor ,constructor-name)
827 `((:include ,super-name))))
831 (frob (bindspecs classno)
833 `((multiple-value-bind ,(first (first bindspecs))
834 ,(apply #'make-defstruct-form (rest (first bindspecs)))
835 (declare (ignorable ,@(first (first bindspecs))))
836 ,@(frob (rest bindspecs) (1+ classno))))
837 `((with-files ,(mapcar #'first path-form-specs)
838 ,@(mapcar (lambda (path-form) `(noclobber ,@path-form))
841 ((simple-error ',handler-function))
843 `(with-test (:name ,name)
844 ,(first (frob defstruct-form-bindings 0)))))
846 ;; When eyeballing these, it's helpful to see when various things are
848 (setq *compile-verbose* t *load-verbose* t)
851 ;; Base case: recklessly-continue.
852 (with-defstruct-redefinition-test defstruct/recklessly
853 (((defstruct ctor pred) :class-name redef-test-1 :slots (a))
854 ((defstruct*) :class-name redef-test-1 :slots (a b)))
857 recklessly-continue-from-incompatible-defstruct-error
859 (let ((instance (funcall ctor)))
861 (assert-is pred instance)))
863 ;; Base case: continue (i.e., invalidate instances).
864 (with-defstruct-redefinition-test defstruct/continue
865 (((defstruct ctor pred) :class-name redef-test-2 :slots (a))
866 ((defstruct*) :class-name redef-test-2 :slots (a b)))
869 continue-from-incompatible-defstruct-error
871 (let ((instance (funcall ctor)))
873 (assert-invalid pred instance)))
875 ;; Compiling a file with an incompatible defstruct should emit a
876 ;; warning and an error, but the fasl should be loadable.
877 (with-defstruct-redefinition-test defstruct/compile-file-should-warn
878 (((defstruct) :class-name redef-test-3 :slots (a))
879 ((defstruct*) :class-name redef-test-3 :slots (a b)))
882 continue-from-incompatible-defstruct-error
884 (load (compile-file-assert path2)))
886 ;; After compiling a file with an incompatible DEFSTRUCT, load the
887 ;; fasl and ensure that an old instance remains valid.
888 (with-defstruct-redefinition-test defstruct/compile-file-reckless
889 (((defstruct ctor pred) :class-name redef-test-4 :slots (a))
890 ((defstruct*) :class-name redef-test-4 :slots (a b)))
893 recklessly-continue-from-incompatible-defstruct-error
895 (let ((instance (funcall ctor)))
896 (load (compile-file-assert path2))
897 (assert-is pred instance)))
899 ;; After compiling a file with an incompatible DEFSTRUCT, load the
900 ;; fasl and ensure that an old instance has become invalid.
901 (with-defstruct-redefinition-test defstruct/compile-file-continue
902 (((defstruct ctor pred) :class-name redef-test-5 :slots (a))
903 ((defstruct*) :class-name redef-test-5 :slots (a b)))
906 continue-from-incompatible-defstruct-error
908 (let ((instance (funcall ctor)))
909 (load (compile-file-assert path2))
910 (assert-invalid pred instance)))
913 ;; Ensure that recklessly continuing DT(expected)T to instances of
914 ;; subclasses. (This is a case where recklessly continuing is
915 ;; actually dangerous, but we don't care.)
916 (with-defstruct-redefinition-test defstruct/subclass-reckless
917 (((defstruct ignore pred1) :class-name redef-test-6 :slots (a))
918 ((substruct ctor pred2) :class-name redef-test-6-sub
919 :super-name redef-test-6 :slots (z))
920 ((defstruct*) :class-name redef-test-6 :slots (a b)))
921 ((path1 defstruct substruct)
922 (path2 defstruct* substruct))
923 recklessly-continue-from-incompatible-defstruct-error
925 (let ((instance (funcall ctor)))
926 (load (compile-file-assert path2))
927 (assert-is pred1 instance)
928 (assert-is pred2 instance)))
930 ;; Ensure that continuing invalidates instances of subclasses.
931 (with-defstruct-redefinition-test defstruct/subclass-continue
932 (((defstruct) :class-name redef-test-7 :slots (a))
933 ((substruct ctor pred) :class-name redef-test-7-sub
934 :super-name redef-test-7 :slots (z))
935 ((defstruct*) :class-name redef-test-7 :slots (a b)))
936 ((path1 defstruct substruct)
937 (path2 defstruct* substruct))
938 continue-from-incompatible-defstruct-error
940 (let ((instance (funcall ctor)))
941 (load (compile-file-assert path2))
942 (assert-invalid pred instance)))
944 ;; Reclkessly continuing doesn't invalidate instances of subclasses.
945 (with-defstruct-redefinition-test defstruct/subclass-in-other-file-reckless
946 (((defstruct ignore pred1) :class-name redef-test-8 :slots (a))
947 ((substruct ctor pred2) :class-name redef-test-8-sub
948 :super-name redef-test-8 :slots (z))
949 ((defstruct*) :class-name redef-test-8 :slots (a b)))
953 recklessly-continue-from-incompatible-defstruct-error
956 (let ((instance (funcall ctor)))
957 (load (compile-file-assert path3))
958 (assert-is pred1 instance)
959 (assert-is pred2 instance)))
961 ;; This is an icky case: when a subclass is defined in a separate
962 ;; file, CONTINUE'ing from LOAD of a file containing an incompatible
963 ;; superclass definition leaves the predicates and accessors into the
964 ;; subclass in a bad way until the subclass form is evaluated.
965 (with-defstruct-redefinition-test defstruct/subclass-in-other-file-continue
966 (((defstruct ignore pred1) :class-name redef-test-9 :slots (a))
967 ((substruct ctor pred2) :class-name redef-test-9-sub
968 :super-name redef-test-9 :slots (z))
969 ((defstruct*) :class-name redef-test-9 :slots (a b)))
973 continue-from-incompatible-defstruct-error
976 (let ((instance (funcall ctor)))
977 (load (compile-file-assert path3))
978 ;; At this point, the instance of the subclass will not count as
979 ;; an instance of the superclass or of the subclass, but PRED2's
980 ;; predicate will error with "an obsolete structure accessor
981 ;; function was called".
982 (assert-invalid pred1 instance)
983 (format t "~&~A~%" (nth-value 1 (ignore-errors (funcall pred2 instance))))
984 ;; After loading PATH2, we'll get the desired LAYOUT-INVALID error.
986 (assert-invalid pred2 instance)))
988 ;; Some other subclass wrinkles have to do with splitting definitions
989 ;; accross files and compiling and loading things in a funny order.
990 (with-defstruct-redefinition-test
991 defstruct/subclass-in-other-file-funny-operation-order-continue
992 (((defstruct ignore pred1) :class-name redef-test-10 :slots (a))
993 ((substruct ctor pred2) :class-name redef-test-10-sub
994 :super-name redef-test-10 :slots (z))
995 ((defstruct*) :class-name redef-test-10 :slots (a b)))
999 continue-from-incompatible-defstruct-error
1002 (let ((instance (funcall ctor)))
1003 ;; First we clobber the compiler's layout for the superclass.
1004 (compile-file-assert path3)
1005 ;; Then we recompile the subclass definition (which generates a
1006 ;; warning about the compiled layout for the superclass being
1007 ;; incompatible with the loaded layout, because we haven't loaded
1008 ;; path3 since recompiling).
1009 (compile-file path2)
1010 ;; Ugh. I don't want to think about loading these in the wrong
1012 (load (compile-file-pathname path3))
1013 (load (compile-file-pathname path2))
1014 (assert-invalid pred1 instance)
1015 (assert-invalid pred2 instance)))
1017 (with-defstruct-redefinition-test
1018 defstruct/subclass-in-other-file-funny-operation-order-continue
1019 (((defstruct ignore pred1) :class-name redef-test-11 :slots (a))
1020 ((substruct ctor pred2) :class-name redef-test-11-sub
1021 :super-name redef-test-11 :slots (z))
1022 ((defstruct*) :class-name redef-test-11 :slots (a b)))
1026 continue-from-incompatible-defstruct-error
1029 (let ((instance (funcall ctor)))
1030 ;; This clobbers the compiler's layout for REDEF-TEST-11.
1031 (compile-file-assert path3)
1032 ;; This recompiles REDEF-TEST-11-SUB, using the new REDEF-TEST-11
1034 (load (compile-file-pathname path2))
1035 ;; Note that because we haven't loaded PATH3, we haven't clobbered
1036 ;; the class's layout REDEF-TEST-11, so REDEF-11's predicate will
1037 ;; still work. That's probably bad.
1038 (assert-is pred1 instance)
1039 (assert-is pred2 instance)))
1041 (with-test (:name :raw-slot/circle-subst)
1042 ;; CIRCLE-SUBSTS used %INSTANCE-REF on raw slots
1043 (multiple-value-bind (list n)
1045 (defstruct raw-slot/circle-subst
1046 (x 0.0 :type single-float))
1047 (read-from-string "((#1=#S(raw-slot/circle-subst :x 2.7158911)))")))
1048 (destructuring-bind ((struct)) list
1049 (assert (raw-slot/circle-subst-p struct))
1050 (assert (eql 2.7158911 (raw-slot/circle-subst-x struct)))
1051 (assert (eql 45 n)))))