1 ;;;; callback tests with side effects
3 ;;;; This software is part of the SBCL system. See the README file for
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
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.
16 ;;; callbacks only on a few platforms
20 ;;; simple callback for a function
26 (sb-alien::alien-callback (function c-string) #'thunk))
28 (assert (equal (with-output-to-string (*standard-output*)
29 (alien-funcall *thunk*))
32 ;;; simple callback for a symbol
34 (defun add-two-ints (arg1 arg2)
37 (defvar *add-two-ints*
38 (sb-alien::alien-callback (function int int int) 'add-two-ints))
40 (assert (= (alien-funcall *add-two-ints* 555 444444) 444999))
42 ;;; actually using a callback with foreign code
44 #+win32 (sb-alien:load-shared-object "ntdll.dll")
46 (define-alien-routine qsort void
50 (compar (function int (* double) (* double))))
52 (sb-alien::define-alien-callback double*-cmp int ((arg1 (* double)) (arg2 (* double)))
53 (let ((a1 (deref arg1))
59 (let* ((vector (coerce '(0.1d0 0.5d0 0.2d0 1.2d0 1.5d0 2.5d0 0.0d0 0.1d0 0.2d0 0.3d0)
60 '(vector double-float)))
61 (sorted (sort (copy-seq vector) #'<)))
63 (sb-sys:with-pinned-objects (vector)
64 (qsort (sb-sys:vector-sap vector)
66 (alien-size double :bytes)
68 (assert (equalp vector sorted)))
72 (sb-alien::define-alien-callback redefined-fun int ()
76 '(sb-alien::define-alien-callback redefined-fun int ()
79 (assert (= 42 (alien-funcall redefined-fun)))
81 (sb-alien::define-alien-callback return-single float ((x float))
84 (sb-alien::define-alien-callback return-double double ((x double))
87 (defconstant spi (coerce pi 'single-float))
89 (assert (= spi (alien-funcall return-single spi)))
90 (assert (= pi (alien-funcall return-double pi)))
94 (sb-alien::define-alien-callback to-be-invalidated int ()
97 (assert (= 5 (alien-funcall to-be-invalidated)))
99 (multiple-value-bind (p valid) (sb-alien::alien-callback-p to-be-invalidated)
103 (sb-alien::invalidate-alien-callback to-be-invalidated)
105 (multiple-value-bind (p valid) (sb-alien::alien-callback-p to-be-invalidated)
107 (assert (not valid)))
109 (multiple-value-bind (res err)
110 (ignore-errors (alien-funcall to-be-invalidated))
111 (assert (and (not res) (typep err 'error))))
113 ;;; getting and setting the underlying function
115 (sb-alien::define-alien-callback foo int ()
120 (assert (eq #'foo (sb-alien::alien-callback-function foo)))
125 (setf (sb-alien::alien-callback-function foo) #'bar)
127 (assert (eq #'bar (sb-alien::alien-callback-function foo)))
129 (assert (= 26 (alien-funcall foo)))
131 ;;; callbacks with void return values
133 (with-test (:name void-return)
134 (sb-alien::alien-lambda void ()
137 ;;; tests for integer-width problems in callback result handling
139 (defvar *add-two-ints*
140 (sb-alien::alien-callback (function int int int) #'+))
141 (defvar *add-two-shorts*
142 (sb-alien::alien-callback (function short short short) #'+))
144 ;;; The original test cases here were what are now (:int-result
145 ;;; :sign-extension) and (:int-result :underflow-detection), the latter
146 ;;; of which would fail on 64-bit platforms. Upon further investigation,
147 ;;; it turned out that the same tests with a SHORT return type instead of
148 ;;; an INT return type would also fail on 32-bit platforms.
150 (with-test (:name (:short-result :sign-extension))
151 (assert (= (alien-funcall *add-two-shorts* #x-8000 1) -32767)))
153 (with-test (:name (:short-result :underflow-detection))
154 (assert (raises-error? (alien-funcall *add-two-shorts* #x-8000 -1))))
156 (with-test (:name (:int-result :sign-extension))
157 (assert (= (alien-funcall *add-two-ints* #x-80000000 1) -2147483647)))
159 (with-test (:name (:int-result :underflow-detection))
160 (assert (raises-error? (alien-funcall *add-two-ints* #x-80000000 -1))))
162 ;;; tests for handling 64-bit arguments - this was causing problems on
163 ;;; ppc - CLH, 2005-12-01
165 (defvar *add-two-long-longs*
166 (sb-alien::alien-callback
167 (function (integer 64) (integer 64) (integer 64)) 'add-two-ints))
168 (with-test (:name :long-long-callback-arg)
169 (assert (= (alien-funcall *add-two-long-longs*
174 (defvar *add-two-unsigned-long-longs*
175 (sb-alien::alien-callback
176 (function (unsigned 64) (unsigned 64) (unsigned 64))
178 (with-test (:name :unsigned-long-long-callback-arg)
179 (assert (= (alien-funcall *add-two-unsigned-long-longs*
184 ;;; test for callbacks of various arities
187 (defmacro alien-apply-form (f args)
189 `(alien-funcall ,,f ,@a)))
191 (defmacro alien-apply (f &rest args)
192 `(eval (alien-apply-form ,f ,@args)))
194 (defun iota (x) (if (equalp x 1) (list x) (cons x (iota (1- x)))))
196 (defparameter *type-abbreviations*
197 '((sb-alien:char . "c")
198 (sb-alien:unsigned-char . "uc")
199 (sb-alien:short . "h")
200 (sb-alien:unsigned-short . "uh")
202 (sb-alien:unsigned-int . "ui")
203 ((sb-alien:integer 64) . "l")
204 ((sb-alien:unsigned 64) . "ul")
205 (sb-alien:float . "f")
206 (sb-alien:double . "d")))
208 (defun parse-callback-arg-spec (spec)
209 (let ((l (coerce spec 'list)))
210 (loop for g in l by #'cddr
211 collect (car (rassoc (string-downcase g) *type-abbreviations* :test #'equal)))))
213 (defmacro define-callback-adder (&rest types)
214 (let ((fname (format nil "*add-~{~A~^-~}*"
217 (cdr (assoc x *type-abbreviations*)))
219 #'(lambda (y) (find-symbol (string-upcase y) 'sb-alien))
222 (defparameter ,(intern
223 (string-upcase fname))
224 (sb-alien::alien-callback (function ,@types) '+)))))
226 (with-test (:name :define-2-int-callback)
227 (define-callback-adder int int int))
228 (with-test (:name :call-2-int-callback)
229 (assert (= (alien-apply *add-i-i* (iota 2)) 3)))
231 (with-test (:name :define-3-int-callback)
232 (define-callback-adder int int int int))
233 (with-test (:name :call-3-int-callback)
234 (assert (= (alien-apply *add-i-i-i* (iota 3)) 6)))
236 (with-test (:name :define-4-int-callback)
237 (define-callback-adder int int int int int))
238 (with-test (:name :call-4-int-callback)
239 (assert (= (alien-apply *add-i-i-i-i* (iota 4)) 10)))
241 (with-test (:name :define-5-int-callback)
242 (define-callback-adder int int int int int int))
243 (with-test (:name :call-5-int-callback)
244 (assert (= (alien-apply *add-i-i-i-i-i* (iota 5)) 15)))
246 (with-test (:name :define-6-int-callback)
247 (define-callback-adder int int int int int int int))
248 (with-test (:name :call-6-int-callback)
249 (assert (= (alien-apply *add-i-i-i-i-i-i* (iota 6)) 21)))
251 (with-test (:name :define-7-int-callback)
252 (define-callback-adder int int int int int int int int))
253 (with-test (:name :call-7-int-callback)
254 (assert (= (alien-apply *add-i-i-i-i-i-i-i* (iota 7)) 28)))
256 (with-test (:name :define-8-int-callback)
257 (define-callback-adder int int int int int int int int int))
258 (with-test (:name :call-8-int-callback)
259 (assert (= (alien-apply *add-i-i-i-i-i-i-i-i* (iota 8)) 36)))
261 (with-test (:name :define-9-int-callback)
262 (define-callback-adder int int int int int int int int int int))
263 (with-test (:name :call-9-int-callback)
264 (assert (= (alien-apply *add-i-i-i-i-i-i-i-i-i* (iota 9)) 45)))
266 (with-test (:name :define-10-int-callback)
267 (define-callback-adder int int int int int int int int int int int))
268 (with-test (:name :call-10-int-callback)
269 (assert (= (alien-apply *add-i-i-i-i-i-i-i-i-i-i* (iota 10)) 55)))
271 (with-test (:name :define-11-int-callback)
272 (define-callback-adder int int int int int int int int int int int int))
273 (with-test (:name :call-11-int-callback)
274 (assert (= (alien-apply *add-i-i-i-i-i-i-i-i-i-i-i* (iota 11)) 66)))
276 (with-test (:name :define-12-int-callback)
277 (define-callback-adder int int int int int int int int int int int int int))
278 (with-test (:name :call-12-int-callback)
279 (assert (= (alien-apply *add-i-i-i-i-i-i-i-i-i-i-i-i* (iota 12)) 78)))
281 (with-test (:name :define-2-float-callback)
282 (define-callback-adder float float float))
283 (with-test (:name :call-2-float-callback)
284 (assert (= (alien-apply *add-f-f* (iota 2.0s0)) 3.0s0)))
286 (with-test (:name :define-3-float-callback)
287 (define-callback-adder float float float float))
288 (with-test (:name :call-3-float-callback)
289 (assert (= (alien-apply *add-f-f-f* (iota 3.0s0)) 6.0s0)))
291 (with-test (:name :define-4-float-callback)
292 (define-callback-adder float float float float float))
293 (with-test (:name :call-4-float-callback)
294 (assert (= (alien-apply *add-f-f-f-f* (iota 4.0s0)) 10.0s0)))
296 (with-test (:name :define-5-float-callback)
297 (define-callback-adder float float float float float float))
298 (with-test (:name :call-5-float-callback)
299 (assert (= (alien-apply *add-f-f-f-f-f* (iota 5.0s0)) 15.0s0)))
301 (with-test (:name :define-6-float-callback)
302 (define-callback-adder float float float float float float float))
303 (with-test (:name :call-6-float-callback)
304 (assert (= (alien-apply *add-f-f-f-f-f-f* (iota 6.0s0)) 21.0s0)))
306 (with-test (:name :define-7-float-callback)
307 (define-callback-adder float float float float float float float float))
308 (with-test (:name :call-7-float-callback)
309 (assert (= (alien-apply *add-f-f-f-f-f-f-f* (iota 7.0s0)) 28.0s0)))
311 (with-test (:name :define-8-float-callback)
312 (define-callback-adder float float float float float float float float float))
313 (with-test (:name :call-8-float-callback)
314 (assert (= (alien-apply *add-f-f-f-f-f-f-f-f* (iota 8.0s0)) 36.0s0)))
316 (with-test (:name :define-9-float-callback)
317 (define-callback-adder float float float float float float float float float float))
318 (with-test (:name :call-9-float-callback)
319 (assert (= (alien-apply *add-f-f-f-f-f-f-f-f-f* (iota 9.0s0)) 45.0s0)))
321 (with-test (:name :define-10-float-callback)
322 (define-callback-adder float float float float float float float float float float float))
323 (with-test (:name :call-10-float-callback)
324 (assert (= (alien-apply *add-f-f-f-f-f-f-f-f-f-f* (iota 10.0s0)) 55.0s0)))
326 (with-test (:name :define-11-float-callback)
327 (define-callback-adder float float float float float float float float float float float float))
328 (with-test (:name :call-11-float-callback)
329 (assert (= (alien-apply *add-f-f-f-f-f-f-f-f-f-f-f* (iota 11.0s0)) 66.0s0)))
331 (with-test (:name :define-12-float-callback)
332 (define-callback-adder float float float float float float float float float float float float float))
333 (with-test (:name :call-12-float-callback)
334 (assert (= (alien-apply *add-f-f-f-f-f-f-f-f-f-f-f-f* (iota 12.0s0)) 78.0s0)))
336 (with-test (:name :define-2-double-callback)
337 (define-callback-adder double double double))
338 (with-test (:name :call-2-double-callback)
339 (assert (= (alien-apply *add-d-d* (iota 2.0d0)) 3.0d0)))
341 (with-test (:name :define-3-double-callback)
342 (define-callback-adder double double double double))
343 (with-test (:name :call-3-double-callback)
344 (assert (= (alien-apply *add-d-d-d* (iota 3.0d0)) 6.0d0)))
346 (with-test (:name :define-4-double-callback)
347 (define-callback-adder double double double double double))
348 (with-test (:name :call-4-double-callback)
349 (assert (= (alien-apply *add-d-d-d-d* (iota 4.0d0)) 10.0d0)))
351 (with-test (:name :define-5-double-callback)
352 (define-callback-adder double double double double double double))
353 (with-test (:name :call-5-double-callback)
354 (assert (= (alien-apply *add-d-d-d-d-d* (iota 5.0d0)) 15.0d0)))
356 (with-test (:name :define-6-double-callback)
357 (define-callback-adder double double double double double double double))
358 (with-test (:name :call-6-double-callback)
359 (assert (= (alien-apply *add-d-d-d-d-d-d* (iota 6.0d0)) 21.0d0)))
361 (with-test (:name :define-7-double-callback)
362 (define-callback-adder double double double double double double double double))
363 (with-test (:name :call-7-double-callback)
364 (assert (= (alien-apply *add-d-d-d-d-d-d-d* (iota 7.0d0)) 28.0d0)))
366 (with-test (:name :define-8-double-callback)
367 (define-callback-adder double double double double double double double double double))
368 (with-test (:name :call-8-double-callback)
369 (assert (= (alien-apply *add-d-d-d-d-d-d-d-d* (iota 8.0d0)) 36.0d0)))
371 (with-test (:name :define-9-double-callback)
372 (define-callback-adder double double double double double double double double double double))
373 (with-test (:name :call-9-double-callback)
374 (assert (= (alien-apply *add-d-d-d-d-d-d-d-d-d* (iota 9.0d0)) 45.0d0)))
376 (with-test (:name :define-10-double-callback)
377 (define-callback-adder double double double double double double double double double double double))
378 (with-test (:name :call-10-double-callback)
379 (assert (= (alien-apply *add-d-d-d-d-d-d-d-d-d-d* (iota 10.0d0)) 55.0d0)))
381 (with-test (:name :define-11-double-callback)
382 (define-callback-adder double double double double double double double double double double double double))
383 (with-test (:name :call-11-double-callback)
384 (assert (= (alien-apply *add-d-d-d-d-d-d-d-d-d-d-d* (iota 11.0d0)) 66.0d0)))
386 (with-test (:name :define-12-double-callback)
387 (define-callback-adder double double double double double double double double double double double double double))
388 (with-test (:name :call-12-double-callback)
389 (assert (= (alien-apply *add-d-d-d-d-d-d-d-d-d-d-d-d* (iota 12.0d0)) 78.0d0)))
391 (with-test (:name :define-int-float-callback)
392 (define-callback-adder float int float))
393 (with-test (:name :call-int-float-callback)
394 (assert (= (alien-funcall *add-i-f* 1 2.0s0) 3.0s0)))
396 (with-test (:name :define-float-int-callback)
397 (define-callback-adder float float int))
398 (with-test (:name :call-float-int-callback)
399 (assert (= (alien-funcall *add-f-i* 2.0s0 1) 3.0s0)))
401 (with-test (:name :define-int-double-callback)
402 (define-callback-adder double int double))
403 (with-test (:name :call-int-double-callback)
404 (assert (= (alien-funcall *add-i-d* 1 2.0d0) 3.0d0)))
406 (with-test (:name :define-double-int-callback)
407 (define-callback-adder double double int))
408 (with-test (:name :call-double-int-callback)
409 (assert (= (alien-funcall *add-d-i* 2.0d0 1) 3.0d0)))
411 (with-test (:name :define-double-float-callback)
412 (define-callback-adder double double float))
413 (with-test (:name :call-double-float-callback)
414 (assert (= (alien-funcall *add-d-f* 2.0d0 1.0s0) 3.0d0)))
416 (with-test (:name :define-float-double-callback)
417 (define-callback-adder double float double))
418 (with-test (:name :call-double-float-callback)
419 (assert (= (alien-funcall *add-f-d* 1.0s0 2.0d0) 3.0d0)))
421 (with-test (:name :define-double-float-int-callback)
422 (define-callback-adder double double float int))
423 (with-test (:name :call-double-float-int-callback)
424 (assert (= (alien-funcall *add-d-f-i* 2.0d0 1.0s0 1) 4.0d0)))