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)))
39 (declare (ignore function failurep
))
42 (multiple-value-bind (function warningsp failurep
)
43 (compile nil
'(lambda () (ftype-correctness "FOO")))
44 (declare (ignore function failurep
))
45 (assert (not warningsp
)))
47 (multiple-value-bind (function warningsp failurep
)
48 (compile nil
'(lambda () (ftype-correctness "FOO" "BAR")))
49 (declare (ignore function failurep
))
52 ;;; This used to break due to too eager auxiliary type twiddling in
53 ;;; parse-alien-record-type.
54 (defparameter *maybe
* nil
)
55 (defun with-alien-test-for-struct-plus-funcall ()
56 (with-alien ((x (struct bar
(x unsigned
) (y unsigned
)))
57 ;; bogus definition, but we just need the symbol
58 (f (function int
(* (struct bar
))) :extern
"printf"))
60 (alien-funcall f
(addr x
)))))
62 ;;; Mutually referent structures
63 (define-alien-type struct
.1 (struct struct
.1 (x (* (struct struct
.2))) (y int
)))
64 (define-alien-type struct
.2 (struct struct
.2 (x (* (struct struct
.1))) (y int
)))
65 (let ((s1 (make-alien struct
.1))
66 (s2 (make-alien struct
.2)))
69 (slot (slot s1
'x
) 'y
) 1
70 (slot (slot s2
'x
) 'y
) 2)
71 (assert (= 1 (slot (slot s1
'x
) 'y
)))
72 (assert (= 2 (slot (slot s2
'x
) 'y
))))
74 ;;; "Alien bug" on sbcl-devel 2004-10-11 by Thomas F. Burdick caused
75 ;;; by recursive struct definition.
76 (let ((fname "alien-bug-2004-10-11.tmp.lisp"))
79 (with-open-file (f fname
:direction
:output
:if-exists
:supersede
)
80 (mapc (lambda (form) (print form f
))
81 '((defpackage :alien-bug
83 (in-package :alien-bug
)
84 (define-alien-type objc-class
87 (* (struct protocol-list
88 (list (array (* (struct objc-class
))))))))))))
91 (load (compile-file fname
))
92 (load (compile-file fname
)))
93 (delete-file (compile-file-pathname fname
))
96 ;;; enumerations with only one enum resulted in division-by-zero
97 ;;; reported on sbcl-help 2004-11-16 by John Morrison
98 (define-alien-type enum
.1 (enum nil
(:val0
0)))
100 (define-alien-type enum
.2 (enum nil
(zero 0) (one 1) (two 2) (three 3)
101 (four 4) (five 5) (six 6) (seven 7)
103 (with-alien ((integer-array (array int
3)))
104 (let ((enum-array (cast integer-array
(array enum
.2 3))))
105 (setf (deref enum-array
0) 'three
106 (deref enum-array
1) 'four
)
107 (setf (deref integer-array
2) (+ (deref integer-array
0)
108 (deref integer-array
1)))
109 (assert (eql (deref enum-array
2) 'seven
))))
110 ;; The code that is used for mapping from integers to symbols depends on the
111 ;; `density' of the set of used integers, so test with a sparse set as well.
112 (define-alien-type enum
.3 (enum nil
(zero 0) (one 1) (k-one 1001) (k-two 1002)))
113 (with-alien ((integer-array (array int
3)))
114 (let ((enum-array (cast integer-array
(array enum
.3 3))))
115 (setf (deref enum-array
0) 'one
116 (deref enum-array
1) 'k-one
)
117 (setf (deref integer-array
2) (+ (deref integer-array
0)
118 (deref integer-array
1)))
119 (assert (eql (deref enum-array
2) 'k-two
))))
121 ;; enums used to allow values to be used only once
122 ;; C enums allow for multiple tags to point to the same value
123 (define-alien-type enum
.4
124 (enum nil
(:key1
1) (:key2
2) (:keytwo
2)))
125 (with-alien ((enum-array (array enum
.4 3)))
126 (setf (deref enum-array
0) :key1
)
127 (setf (deref enum-array
1) :key2
)
128 (setf (deref enum-array
2) :keytwo
)
129 (assert (and (eql (deref enum-array
1) (deref enum-array
2))
130 (eql (deref enum-array
1) :key2
))))
132 ;;; As reported by Baughn on #lisp, ALIEN-FUNCALL loops forever when
133 ;;; compiled with (DEBUG 3).
134 (sb-kernel::values-specifier-type-cache-clear
)
135 (proclaim '(optimize (debug 3)))
136 (let ((f (compile nil
'(lambda (v)
137 (sb-alien:alien-funcall
(sb-alien:extern-alien
"getenv"
138 (function (c-string) c-string
))
140 (assert (typep (funcall f
"HOME") '(or string null
))))
143 ;;; CLH: Test for non-standard alignment in alien structs
145 (sb-alien:define-alien-type align-test-struct
146 (sb-alien:union align-test-union
147 (s (sb-alien:struct nil
148 (s1 sb-alien
:unsigned-char
)
149 (c1 sb-alien
:unsigned-char
:alignment
16)
150 (c2 sb-alien
:unsigned-char
:alignment
32)
151 (c3 sb-alien
:unsigned-char
:alignment
32)
152 (c4 sb-alien
:unsigned-char
:alignment
8)))
153 (u (sb-alien:array sb-alien
:unsigned-char
16))))
155 (let ((a1 (sb-alien:make-alien align-test-struct
)))
156 (declare (type (sb-alien:alien
(* align-test-struct
)) a1
))
157 (setf (sb-alien:slot
(sb-alien:slot a1
's
) 's1
) 1)
158 (setf (sb-alien:slot
(sb-alien:slot a1
's
) 'c1
) 21)
159 (setf (sb-alien:slot
(sb-alien:slot a1
's
) 'c2
) 41)
160 (setf (sb-alien:slot
(sb-alien:slot a1
's
) 'c3
) 61)
161 (setf (sb-alien:slot
(sb-alien:slot a1
's
) 'c4
) 81)
162 (assert (equal '(1 21 41 61 81)
163 (list (sb-alien:deref
(sb-alien:slot a1
'u
) 0)
164 (sb-alien:deref
(sb-alien:slot a1
'u
) 2)
165 (sb-alien:deref
(sb-alien:slot a1
'u
) 4)
166 (sb-alien:deref
(sb-alien:slot a1
'u
) 8)
167 (sb-alien:deref
(sb-alien:slot a1
'u
) 9)))))
169 (handler-bind ((compiler-note (lambda (c)
170 (error "bad note! ~A" c
))))
171 (funcall (compile nil
'(lambda () (sb-alien:make-alien sb-alien
:int
)))))
173 ;;; Test case for unwinding an alien (Win32) exception frame
175 ;;; The basic theory here is that failing to honor a win32
176 ;;; exception frame during stack unwinding breaks the chain.
177 ;;; "And if / You don't love me now / You will never love me
178 ;;; again / I can still hear you saying / You would never break
179 ;;; the chain." If the chain is broken and another exception
180 ;;; occurs (such as an error trap caused by an OBJECT-NOT-TYPE
181 ;;; error), the system will kill our process. No mercy, no
182 ;;; appeal. So, to check that we have done our job properly, we
183 ;;; need some way to put an exception frame on the stack and then
184 ;;; unwind through it, then trigger another exception. (FUNCALL
185 ;;; 0) will suffice for the latter, and a simple test shows that
186 ;;; CallWindowProc() establishes a frame and calls a function
187 ;;; passed to it as an argument.
190 (load-shared-object "USER32")
196 (extern-alien "CallWindowProcW"
197 (function unsigned-int
198 (* (function int
)) unsigned-int
199 unsigned-int unsigned-int unsigned-int
))
201 (sb-alien::alien-callback
(function unsigned-int
)
202 #'(lambda () (go up
))))
209 ;;; Unused local alien caused a compiler error
210 (with-test (:name
:unused-local-alien
)
211 (let ((fun `(lambda ()
212 (sb-alien:with-alien
((alien1923 (array (sb-alien:unsigned
8) 72)))
214 (assert (not (funcall (compile nil fun
))))))
216 ;;; Non-local exit from WITH-ALIEN caused alien stack to be leaked.
218 (defun try-to-leak-alien-stack (x)
219 (with-alien ((alien (array (sb-alien:unsigned
8) 72)))
220 (let ((sap-int (sb-sys:sap-int
(alien-sap alien
))))
222 (assert (= *sap-int
* sap-int
))
223 (setf *sap-int
* sap-int
)))
225 (return-from try-to-leak-alien-stack
'going
))
227 (with-test (:name
:nlx-causes-alien-stack-leak
228 :fails-on
:interpreter
) ; should it work?
229 (let ((*sap-int
* nil
))
231 do
(try-to-leak-alien-stack t
))))
234 (with-test (:name
:alien-struct-redefinition
235 :fails-on
:interpreter
)
237 (define-alien-type nil
(struct mystruct
(myshort short
) (mychar char
)))
238 (with-alien ((myst (struct mystruct
)))
239 (with-alien ((mysh short
(slot myst
'myshort
)))
240 (assert (integerp mysh
))))))
242 (handler-bind ((error (lambda (e)
243 (let ((cont (find-restart 'continue e
)))
246 (invoke-restart cont
))))))
247 (eval '(define-alien-type nil
(struct mystruct
(myint int
) (mychar char
)))))
248 (assert (= 1 restarted
)))
249 (eval '(with-alien ((myst (struct mystruct
)))
250 (with-alien ((myin int
(slot myst
'myint
)))
251 (assert (integerp myin
))))))
253 ;;; void conflicted with derived type
254 (declaim (inline bug-316075
))
255 ;; KLUDGE: This win32 reader conditional masks a bug, but allows the
256 ;; test to fail cleanly. The linkage-table reader conditional
257 ;; accomodates the little fact that the function doesn't exist, and
258 ;; non-linkage-table systems resolve such things immediately and
260 #-
(or win32
(not linkage-table
))
261 (sb-alien:define-alien-routine bug-316075 void
(result char
:out
))
262 (with-test (:name
:bug-316075
:fails-on
:win32
263 :broken-on
'(not :linkage-table
))
264 #+win32
(error "fail")
265 #-linkage-table
(error "unable to set up test precondition")
266 ;; The interpreter gives you a style-warning because the "undefined alien"
267 ;; first occurs here during compilation of the test case. But if compiling
268 ;; by default, then the warning already happened above at DEFINE-ALIEN-ROUTINE
269 ;; because when that got compiled, it warned, which inhibited further
270 ;; warnings for the same foreign symbol.
271 (handler-bind (((and warning
(not style-warning
)) #'error
))
272 (compile nil
'(lambda () (multiple-value-list (bug-316075))))))
275 ;;; Bug #316325: "return values of alien calls assumed truncated to
276 ;;; correct width on x86"
278 (sb-alien::define-alien-callback truncation-test
(unsigned 64)
279 ((foo (unsigned 64)))
282 (sb-alien::define-alien-callback truncation-test
(unsigned 32)
283 ((foo (unsigned 32)))
286 (with-test (:name
:bug-316325
:skipped-on
'(not (or :x86-64
:x86
))
287 :fails-on
:interpreter
)
288 ;; This test works by defining a callback function that provides an
289 ;; identity transform over a full-width machine word, then calling
290 ;; it as if it returned a narrower type and checking to see if any
291 ;; noise in the high bits of the result are properly ignored.
292 (macrolet ((verify (type input output
)
293 `(with-alien ((fun (* (function ,type
294 #+x86-64
(unsigned 64)
295 #+x86
(unsigned 32)))
296 :local
(alien-sap truncation-test
)))
297 (let ((result (alien-funcall fun
,input
)))
298 (assert (= result
,output
))))))
301 (verify (unsigned 64) #x8000000000000000
#x8000000000000000
)
302 (verify (signed 64) #x8000000000000000
#x-8000000000000000
)
303 (verify (signed 64) #x7fffffffffffffff
#x7fffffffffffffff
)
304 (verify (unsigned 32) #x0000000180000042
#x80000042
)
305 (verify (signed 32) #x0000000180000042
#x-7fffffbe
)
306 (verify (signed 32) #xffffffff7fffffff
#x7fffffff
))
309 (verify (unsigned 32) #x80000042
#x80000042
)
310 (verify (signed 32) #x80000042
#x-7fffffbe
)
311 (verify (signed 32) #x7fffffff
#x7fffffff
))
312 (verify (unsigned 16) #x00018042
#x8042
)
313 (verify (signed 16) #x003f8042
#x-7fbe
)
314 (verify (signed 16) #x003f7042
#x7042
)))
316 (with-test (:name
:bug-654485
)
317 ;; DEBUG 2 used to prevent let-conversion of the open-coded ALIEN-FUNCALL body,
318 ;; which in turn led the dreaded %SAP-ALIEN note.
321 `(lambda (program argv
)
322 (declare (optimize (debug 2)))
323 (with-alien ((sys-execv1 (function int c-string
(* c-string
)) :extern
325 (values (alien-funcall sys-execv1 program argv
)))))
327 (error "bad note: ~A" n
))))
329 (with-test (:name
:bug-721087
:fails-on
:win32
)
330 (assert (typep nil
'(alien c-string
)))
331 (assert (not (typep nil
'(alien (c-string :not-null t
)))))
336 (when (and (null (type-error-datum e
))
337 (equal (type-error-expected-type e
)
338 '(alien (c-string :not-null t
))))
341 (with-test (:name
:make-alien-string
)
342 (let ((alien (sb-alien::make-alien-string
"This comes from lisp!")))
344 (assert (equal "This comes from lisp!" (cast alien c-string
)))
347 (with-test (:name
:malloc-failure
348 :fails-on
:alpha
) ;; Alpha has address space to burn
352 collect
(sb-alien:make-alien char
(1- array-total-size-limit
)))
353 (storage-condition ()
356 (with-test (:name
:bug-985505
)
357 ;; Check that correct octets are reported for a c-string-decoding error.
361 (let ((c-string (coerce #(70 111 195 182 0)
362 '(vector (unsigned-byte 8)))))
363 (sb-sys:with-pinned-objects
(c-string)
364 (sb-alien::c-string-to-string
(sb-sys:vector-sap c-string
)
366 (sb-int:c-string-decoding-error
(e)
367 (assert (equalp #(195) (sb-int:character-decoding-error-octets e
)))
374 ;; C-STRING decoding doesn't know how long the string is, and since this
375 ;; looks like a 4-byte sequence, it will grab 4 octets off the end.
377 ;; So we pad the vector for safety's sake.
378 (let ((c-string (coerce #(70 111 246 0 0 0)
379 '(vector (unsigned-byte 8)))))
380 (sb-sys:with-pinned-objects
(c-string)
381 (sb-alien::c-string-to-string
(sb-sys:vector-sap c-string
)
383 (sb-int:c-string-decoding-error
(e)
384 (assert (equalp #(246 0 0 0)
385 (sb-int:character-decoding-error-octets e
)))
390 (let ((c-string (coerce #(70 195 1 182 195 182 0) '(vector (unsigned-byte 8)))))
391 (sb-sys:with-pinned-objects
(c-string)
392 (sb-alien::c-string-to-string
(sb-sys:vector-sap c-string
)
394 (sb-int:c-string-decoding-error
(e)
395 (assert (equalp #(195 1)
396 (sb-int:character-decoding-error-octets e
)))
399 (with-test (:name
:stream-to-c-string-decoding-restart-leakage
)
400 ;; Restarts for stream decoding errors didn't use to be associated with
401 ;; their conditions, so they could get confused with c-string decoding errors.
402 (assert (eq :nesting-ok
404 (handler-bind ((sb-int:character-decoding-error
405 (lambda (stream-condition)
406 (declare (ignore stream-condition
))
407 (handler-bind ((sb-int:character-decoding-error
408 (lambda (c-string-condition)
411 'sb-impl
::input-replacement
415 (let ((c-string (coerce #(70 195 1 182 195 182 0)
416 '(vector (unsigned-byte 8)))))
417 (sb-sys:with-pinned-objects
(c-string)
418 (sb-alien::c-string-to-string
419 (sb-sys:vector-sap c-string
)
420 :utf-8
'character
)))))))
421 (let ((namestring "alien.impure.tmp"))
424 (with-open-file (f namestring
425 :element-type
'(unsigned-byte 8)
427 :if-exists
:supersede
)
428 (dolist (b '(70 195 1 182 195 182 0))
430 (with-open-file (f namestring
431 :external-format
:utf-8
)
433 (delete-file namestring
))))))))
435 ;; Previously, the error signaled by (MACROEXPANDing the) redefinition
436 ;; of an alien structure itself signaled an error. Ensure that the
437 ;; error is signaled and prints properly.
438 (sb-alien:define-alien-type nil
439 (sb-alien:struct alien-structure-redefinition
(bar sb-alien
:int
)))
441 (with-test (:name
(:alien-structure-redefinition
:condition-printable
))
444 '(sb-alien:define-alien-type nil
445 (sb-alien:struct alien-structure-redefinition
(bar sb-alien
:c-string
))))
447 (princ-to-string condition
))
448 (:no-error
(&rest values
)
449 (declare (ignore values
))
450 (error "~@<Alien structure type redefinition failed to signal an ~
454 (with-test (:name
(:64-bit-return-truncation
))
455 (with-open-file (stream *load-truename
*)
456 (file-position stream
4294967310)
457 (assert (= 4294967310 (file-position stream
)))))
459 (with-test (:name
:stack-misalignment
)
460 (locally (declare (optimize (debug 2)))
462 (declare (optimize speed
))
463 (sb-ext:get-time-of-day
)))
464 (assert (equal (multiple-value-list
465 (multiple-value-prog1
466 (apply #'values
(list 1))
470 ;; Parse (ENUM COLOR)
471 (sb-alien-internals:parse-alien-type
'(enum color red blue black green
) nil
)
472 ;; Now reparse it as a different type
473 (with-test (:name
:change-enum-type
)
474 (handler-bind ((error #'continue
))
475 (sb-alien-internals:parse-alien-type
'(enum color yellow ochre
) nil
)))