1 ;;;; This file is for compiler tests which have side effects (e.g.
2 ;;;; executing DEFUN) but which don't need any special side-effecting
3 ;;;; environmental stuff (e.g. DECLAIM of particular optimization
4 ;;;; settings). Similar tests which *do* expect special settings may
5 ;;;; be in files compiler-1.impure.lisp, compiler-2.impure.lisp, etc.
7 ;;;; This software is part of the SBCL system. See the README file for
10 ;;;; While most of SBCL is derived from the CMU CL system, the test
11 ;;;; files (like this one) were written from scratch after the fork
14 ;;;; This software is in the public domain and is provided with
15 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
16 ;;;; more information.
18 (cl:in-package :cl-user)
20 ;;; In sbcl-0.6.10, Douglas Brebner reported that (SETF EXTERN-ALIEN)
21 ;;; was messed up so badly that trying to execute expressions like
22 ;;; this signalled an error.
23 (setf (sb-alien:extern-alien "thread_control_stack_size" sb-alien:unsigned)
24 (sb-alien:extern-alien "thread_control_stack_size" sb-alien:unsigned))
26 ;;; bug 133, fixed in 0.7.0.5: Somewhere in 0.pre7.*, C void returns
27 ;;; were broken ("unable to use values types here") when
28 ;;; auto-PROCLAIM-of-return-value was added to DEFINE-ALIEN-ROUTINE.
29 (sb-alien:define-alien-routine ("free" free) void (ptr (* t) :in))
31 ;;; Types of alien functions were being incorrectly DECLAIMED when
32 ;;; docstrings were included in the definition until sbcl-0.7.6.15.
33 (sb-alien:define-alien-routine ("getenv" ftype-correctness) c-string
37 (multiple-value-bind (function warningsp failurep)
38 (compile nil '(lambda () (ftype-correctness)))
41 (multiple-value-bind (function warningsp failurep)
42 (compile nil '(lambda () (ftype-correctness "FOO")))
43 (assert (not warningsp)))
45 (multiple-value-bind (function warningsp failurep)
46 (compile nil '(lambda () (ftype-correctness "FOO" "BAR")))
49 ;;; This used to break due to too eager auxiliary type twiddling in
50 ;;; parse-alien-record-type.
51 (defparameter *maybe* nil)
52 (defun with-alien-test-for-struct-plus-funcall ()
53 (with-alien ((x (struct bar (x unsigned) (y unsigned)))
54 ;; bogus definition, but we just need the symbol
55 (f (function int (* (struct bar))) :extern "printf"))
57 (alien-funcall f (addr x)))))
59 ;;; Mutually referent structures
60 (define-alien-type struct.1 (struct struct.1 (x (* (struct struct.2))) (y int)))
61 (define-alien-type struct.2 (struct struct.2 (x (* (struct struct.1))) (y int)))
62 (let ((s1 (make-alien struct.1))
63 (s2 (make-alien struct.2)))
66 (slot (slot s1 'x) 'y) 1
67 (slot (slot s2 'x) 'y) 2)
68 (assert (= 1 (slot (slot s1 'x) 'y)))
69 (assert (= 2 (slot (slot s2 'x) 'y))))
71 ;;; "Alien bug" on sbcl-devel 2004-10-11 by Thomas F. Burdick caused
72 ;;; by recursive struct definition.
73 (let ((fname "alien-bug-2004-10-11.tmp.lisp"))
76 (with-open-file (f fname :direction :output)
77 (mapc (lambda (form) (print form f))
78 '((defpackage :alien-bug
80 (in-package :alien-bug)
81 (define-alien-type objc-class
84 (* (struct protocol-list
85 (list (array (* (struct objc-class))))))))))))
88 (load (compile-file fname))
89 (load (compile-file fname)))
90 (delete-file (compile-file-pathname fname))
93 ;;; enumerations with only one enum resulted in division-by-zero
94 ;;; reported on sbcl-help 2004-11-16 by John Morrison
95 (define-alien-type enum.1 (enum nil (:val0 0)))
97 (define-alien-type enum.2 (enum nil (zero 0) (one 1) (two 2) (three 3)
98 (four 4) (five 5) (six 6) (seven 7)
100 (with-alien ((integer-array (array int 3)))
101 (let ((enum-array (cast integer-array (array enum.2 3))))
102 (setf (deref enum-array 0) 'three
103 (deref enum-array 1) 'four)
104 (setf (deref integer-array 2) (+ (deref integer-array 0)
105 (deref integer-array 1)))
106 (assert (eql (deref enum-array 2) 'seven))))
107 ;; The code that is used for mapping from integers to symbols depends on the
108 ;; `density' of the set of used integers, so test with a sparse set as well.
109 (define-alien-type enum.3 (enum nil (zero 0) (one 1) (k-one 1001) (k-two 1002)))
110 (with-alien ((integer-array (array int 3)))
111 (let ((enum-array (cast integer-array (array enum.3 3))))
112 (setf (deref enum-array 0) 'one
113 (deref enum-array 1) 'k-one)
114 (setf (deref integer-array 2) (+ (deref integer-array 0)
115 (deref integer-array 1)))
116 (assert (eql (deref enum-array 2) 'k-two))))
118 ;; enums used to allow values to be used only once
119 ;; C enums allow for multiple tags to point to the same value
120 (define-alien-type enum.4
121 (enum nil (:key1 1) (:key2 2) (:keytwo 2)))
122 (with-alien ((enum-array (array enum.4 3)))
123 (setf (deref enum-array 0) :key1)
124 (setf (deref enum-array 1) :key2)
125 (setf (deref enum-array 2) :keytwo)
126 (assert (and (eql (deref enum-array 1) (deref enum-array 2))
127 (eql (deref enum-array 1) :key2))))
129 ;;; As reported by Baughn on #lisp, ALIEN-FUNCALL loops forever when
130 ;;; compiled with (DEBUG 3).
131 (sb-kernel::values-specifier-type-cache-clear)
132 (proclaim '(optimize (debug 3)))
133 (let ((f (compile nil '(lambda (v)
134 (sb-alien:alien-funcall (sb-alien:extern-alien "getenv"
135 (function (c-string) c-string))
137 (assert (typep (funcall f "HOME") '(or string null))))
140 ;;; CLH: Test for non-standard alignment in alien structs
142 (sb-alien:define-alien-type align-test-struct
143 (sb-alien:union align-test-union
144 (s (sb-alien:struct nil
145 (s1 sb-alien:unsigned-char)
146 (c1 sb-alien:unsigned-char :alignment 16)
147 (c2 sb-alien:unsigned-char :alignment 32)
148 (c3 sb-alien:unsigned-char :alignment 32)
149 (c4 sb-alien:unsigned-char :alignment 8)))
150 (u (sb-alien:array sb-alien:unsigned-char 16))))
152 (let ((a1 (sb-alien:make-alien align-test-struct)))
153 (declare (type (sb-alien:alien (* align-test-struct)) a1))
154 (setf (sb-alien:slot (sb-alien:slot a1 's) 's1) 1)
155 (setf (sb-alien:slot (sb-alien:slot a1 's) 'c1) 21)
156 (setf (sb-alien:slot (sb-alien:slot a1 's) 'c2) 41)
157 (setf (sb-alien:slot (sb-alien:slot a1 's) 'c3) 61)
158 (setf (sb-alien:slot (sb-alien:slot a1 's) 'c4) 81)
159 (assert (equal '(1 21 41 61 81)
160 (list (sb-alien:deref (sb-alien:slot a1 'u) 0)
161 (sb-alien:deref (sb-alien:slot a1 'u) 2)
162 (sb-alien:deref (sb-alien:slot a1 'u) 4)
163 (sb-alien:deref (sb-alien:slot a1 'u) 8)
164 (sb-alien:deref (sb-alien:slot a1 'u) 9)))))
166 (handler-bind ((compiler-note (lambda (c)
167 (error "bad note! ~A" c))))
168 (funcall (compile nil '(lambda () (sb-alien:make-alien sb-alien:int)))))
170 ;;; Test case for unwinding an alien (Win32) exception frame
172 ;;; The basic theory here is that failing to honor a win32
173 ;;; exception frame during stack unwinding breaks the chain.
174 ;;; "And if / You don't love me now / You will never love me
175 ;;; again / I can still hear you saying / You would never break
176 ;;; the chain." If the chain is broken and another exception
177 ;;; occurs (such as an error trap caused by an OBJECT-NOT-TYPE
178 ;;; error), the system will kill our process. No mercy, no
179 ;;; appeal. So, to check that we have done our job properly, we
180 ;;; need some way to put an exception frame on the stack and then
181 ;;; unwind through it, then trigger another exception. (FUNCALL
182 ;;; 0) will suffice for the latter, and a simple test shows that
183 ;;; CallWindowProc() establishes a frame and calls a function
184 ;;; passed to it as an argument.
187 (load-shared-object "USER32")
193 (extern-alien "CallWindowProcW"
194 (function unsigned-int
195 (* (function int)) unsigned-int
196 unsigned-int unsigned-int unsigned-int))
198 (sb-alien::alien-callback (function unsigned-int)
199 #'(lambda () (go up))))
206 ;;; Unused local alien caused a compiler error
207 (with-test (:name :unused-local-alien)
208 (let ((fun `(lambda ()
209 (sb-alien:with-alien ((alien1923 (array (sb-alien:unsigned 8) 72)))
211 (assert (not (funcall (compile nil fun))))))
213 ;;; Non-local exit from WITH-ALIEN caused alien stack to be leaked.
215 (defun try-to-leak-alien-stack (x)
216 (with-alien ((alien (array (sb-alien:unsigned 8) 72)))
217 (let ((sap-int (sb-sys:sap-int (alien-sap alien))))
219 (assert (= *sap-int* sap-int))
220 (setf *sap-int* sap-int)))
222 (return-from try-to-leak-alien-stack 'going))
224 (with-test (:name :nlx-causes-alien-stack-leak)
225 (let ((*sap-int* nil))
227 do (try-to-leak-alien-stack t))))
230 (with-test (:name :alien-struct-redefinition)
232 (define-alien-type nil (struct mystruct (myshort short) (mychar char)))
233 (with-alien ((myst (struct mystruct)))
234 (with-alien ((mysh short (slot myst 'myshort)))
235 (assert (integerp mysh))))))
237 (handler-bind ((error (lambda (e)
238 (let ((cont (find-restart 'continue e)))
241 (invoke-restart cont))))))
242 (eval '(define-alien-type nil (struct mystruct (myint int) (mychar char)))))
243 (assert (= 1 restarted)))
244 (eval '(with-alien ((myst (struct mystruct)))
245 (with-alien ((myin int (slot myst 'myint)))
246 (assert (integerp myin))))))
248 ;;; void conflicted with derived type
249 (declaim (inline bug-316075))
250 #-win32 ;kludge: This reader conditional masks a bug, but allows the test
252 (sb-alien:define-alien-routine bug-316075 void (result char :out))
253 (with-test (:name :bug-316075 :fails-on :win32)
254 #+win32 (error "fail")
255 (handler-bind ((warning #'error))
256 (compile nil '(lambda () (multiple-value-list (bug-316075))))))
259 ;;; Bug #316325: "return values of alien calls assumed truncated to
260 ;;; correct width on x86"
262 (sb-alien::define-alien-callback truncation-test (unsigned 64)
263 ((foo (unsigned 64)))
266 (sb-alien::define-alien-callback truncation-test (unsigned 32)
267 ((foo (unsigned 32)))
270 (with-test (:name :bug-316325 :skipped-on '(not (or :x86-64 :x86)))
271 ;; This test works by defining a callback function that provides an
272 ;; identity transform over a full-width machine word, then calling
273 ;; it as if it returned a narrower type and checking to see if any
274 ;; noise in the high bits of the result are properly ignored.
275 (macrolet ((verify (type input output)
276 `(with-alien ((fun (* (function ,type
277 #+x86-64 (unsigned 64)
278 #+x86 (unsigned 32)))
279 :local (alien-sap truncation-test)))
280 (let ((result (alien-funcall fun ,input)))
281 (assert (= result ,output))))))
284 (verify (unsigned 64) #x8000000000000000 #x8000000000000000)
285 (verify (signed 64) #x8000000000000000 #x-8000000000000000)
286 (verify (signed 64) #x7fffffffffffffff #x7fffffffffffffff)
287 (verify (unsigned 32) #x0000000180000042 #x80000042)
288 (verify (signed 32) #x0000000180000042 #x-7fffffbe)
289 (verify (signed 32) #xffffffff7fffffff #x7fffffff))
292 (verify (unsigned 32) #x80000042 #x80000042)
293 (verify (signed 32) #x80000042 #x-7fffffbe)
294 (verify (signed 32) #x7fffffff #x7fffffff))
295 (verify (unsigned 16) #x00018042 #x8042)
296 (verify (signed 16) #x003f8042 #x-7fbe)
297 (verify (signed 16) #x003f7042 #x7042)))
299 (with-test (:name :bug-654485)
300 ;; DEBUG 2 used to prevent let-conversion of the open-coded ALIEN-FUNCALL body,
301 ;; which in turn led the dreaded %SAP-ALIEN note.
304 `(lambda (program argv)
305 (declare (optimize (debug 2)))
306 (with-alien ((sys-execv1 (function int c-string (* c-string)) :extern
308 (values (alien-funcall sys-execv1 program argv)))))
310 (error "bad note: ~A" n))))
312 (with-test (:name :bug-721087 :fails-on :win32)
313 (assert (typep nil '(alien c-string)))
314 (assert (not (typep nil '(alien (c-string :not-null t)))))
319 (when (and (null (type-error-datum e))
320 (equal (type-error-expected-type e)
321 '(alien (c-string :not-null t))))
324 (with-test (:name :make-alien-string)
325 (let ((alien (sb-alien::make-alien-string "This comes from lisp!")))
327 (assert (equal "This comes from lisp!" (cast alien c-string)))
330 (with-test (:name :malloc-failure)
334 collect (sb-alien:make-alien char (1- array-total-size-limit)))
335 (storage-condition ()
338 (with-test (:name :bug-985505)
339 ;; Check that correct octets are reported for a c-string-decoding error.
343 (let ((c-string (coerce #(70 111 195 182 0)
344 '(vector (unsigned-byte 8)))))
345 (sb-sys:with-pinned-objects (c-string)
346 (sb-alien::c-string-to-string (sb-sys:vector-sap c-string)
348 (sb-int:c-string-decoding-error (e)
349 (assert (equalp #(195) (sb-int:character-decoding-error-octets e)))
356 ;; C-STRING decoding doesn't know how long the string is, and since this
357 ;; looks like a 4-byte sequence, it will grab 4 octets off the end.
359 ;; So we pad the vector for safety's sake.
360 (let ((c-string (coerce #(70 111 246 0 0 0)
361 '(vector (unsigned-byte 8)))))
362 (sb-sys:with-pinned-objects (c-string)
363 (sb-alien::c-string-to-string (sb-sys:vector-sap c-string)
365 (sb-int:c-string-decoding-error (e)
366 (assert (equalp #(246 0 0 0)
367 (sb-int:character-decoding-error-octets e)))
372 (let ((c-string (coerce #(70 195 1 182 195 182 0) '(vector (unsigned-byte 8)))))
373 (sb-sys:with-pinned-objects (c-string)
374 (sb-alien::c-string-to-string (sb-sys:vector-sap c-string)
376 (sb-int:c-string-decoding-error (e)
377 (assert (equalp #(195 1)
378 (sb-int:character-decoding-error-octets e)))
381 (with-test (:name :stream-to-c-string-decoding-restart-leakage)
382 ;; Restarts for stream decoding errors didn't use to be associated with
383 ;; their conditions, so they could get confused with c-string decoding errors.
384 (assert (eq :nesting-ok
386 (handler-bind ((sb-int:character-decoding-error
387 (lambda (stream-condition)
388 (handler-bind ((sb-int:character-decoding-error
389 (lambda (c-string-condition)
392 'sb-impl::input-replacement
396 (let ((c-string (coerce #(70 195 1 182 195 182 0)
397 '(vector (unsigned-byte 8)))))
398 (sb-sys:with-pinned-objects (c-string)
399 (sb-alien::c-string-to-string
400 (sb-sys:vector-sap c-string)
401 :utf-8 'character)))))))
402 (let ((namestring "alien.impure.tmp"))
405 (with-open-file (f namestring
406 :element-type '(unsigned-byte 8)
408 :if-exists :supersede)
409 (dolist (b '(70 195 1 182 195 182 0))
411 (with-open-file (f namestring
412 :external-format :utf-8)
414 (delete-file namestring))))))))