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b046219e JG |
1 | ;;;; srfi-18.test --- Test suite for Guile's SRFI-18 functions. -*- scheme -*- |
2 | ;;;; Julian Graham, 2007-10-26 | |
3 | ;;;; | |
4 | ;;;; Copyright (C) 2007 Free Software Foundation, Inc. | |
5 | ;;;; | |
6 | ;;;; This program is free software; you can redistribute it and/or modify | |
7 | ;;;; it under the terms of the GNU General Public License as published by | |
8 | ;;;; the Free Software Foundation; either version 2, or (at your option) | |
9 | ;;;; any later version. | |
10 | ;;;; | |
11 | ;;;; This program is distributed in the hope that it will be useful, | |
12 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;;;; GNU General Public License for more details. | |
15 | ;;;; | |
16 | ;;;; You should have received a copy of the GNU General Public License | |
17 | ;;;; along with this software; see the file COPYING. If not, write to | |
18 | ;;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
19 | ;;;; Boston, MA 02110-1301 USA | |
20 | ||
21 | (define-module (test-suite test-srfi-18) | |
22 | #:use-module (test-suite lib) | |
23 | #:use-module (srfi srfi-18)) | |
24 | ||
25 | (with-test-prefix "current-thread" | |
26 | ||
27 | (pass-if "current-thread eq current-thread" | |
28 | (eq? (current-thread) (current-thread)))) | |
29 | ||
30 | (with-test-prefix "thread?" | |
31 | ||
32 | (pass-if "current-thread is thread" | |
33 | (thread? (current-thread))) | |
34 | ||
35 | (pass-if "foo not thread" | |
36 | (not (thread? 'foo)))) | |
37 | ||
38 | (with-test-prefix "make-thread" | |
39 | ||
40 | (pass-if "make-thread creates new thread" | |
41 | (let* ((n (length (all-threads))) | |
42 | (t (make-thread (lambda () 'foo) 'make-thread-1)) | |
43 | (r (> (length (all-threads)) n))) | |
44 | (thread-terminate! t) r))) | |
45 | ||
46 | (with-test-prefix "thread-name" | |
47 | ||
48 | (pass-if "make-thread with name binds name" | |
49 | (let* ((t (make-thread (lambda () 'foo) 'thread-name-1)) | |
50 | (r (eq? (thread-name t) 'thread-name-1))) | |
51 | (thread-terminate! t) r)) | |
52 | ||
53 | (pass-if "make-thread without name does not bind name" | |
54 | (let* ((t (make-thread (lambda () 'foo))) | |
55 | (r (not (thread-name t)))) | |
56 | (thread-terminate! t) r))) | |
57 | ||
58 | (with-test-prefix "thread-specific" | |
59 | ||
60 | (pass-if "thread-specific is initially #f" | |
61 | (let* ((t (make-thread (lambda () 'foo) 'thread-specific-1)) | |
62 | (r (not (thread-specific t)))) | |
63 | (thread-terminate! t) r)) | |
64 | ||
65 | (pass-if "thread-specific-set! can set value" | |
66 | (let ((t (make-thread (lambda () 'foo) 'thread-specific-2))) | |
67 | (thread-specific-set! t "hello") | |
68 | (let ((r (equal? (thread-specific t) "hello"))) | |
69 | (thread-terminate! t) r)))) | |
70 | ||
71 | (with-test-prefix "thread-start!" | |
72 | ||
73 | (pass-if "thread activates only after start" | |
74 | (let* ((started #f) | |
75 | (m (make-mutex 'thread-start-mutex)) | |
76 | (t (make-thread (lambda () (set! started #t)) 'thread-start-1))) | |
77 | (and (not started) (thread-start! t) (thread-join! t) started)))) | |
78 | ||
79 | (with-test-prefix "thread-yield!" | |
80 | ||
81 | (pass-if "thread yield suceeds" | |
82 | (thread-yield!) #t)) | |
83 | ||
84 | (with-test-prefix "thread-sleep!" | |
85 | ||
86 | (pass-if "thread sleep with time" | |
87 | (let ((future-time (seconds->time (+ (time->seconds (current-time)) 2)))) | |
88 | (unspecified? (thread-sleep! future-time)))) | |
89 | ||
90 | (pass-if "thread sleep with number" | |
91 | (let ((old-secs (car (current-time)))) | |
92 | (unspecified? (thread-sleep! (+ (time->seconds (current-time))))))) | |
93 | ||
94 | (pass-if "thread does not sleep on past time" | |
95 | (let ((past-time (seconds->time (- (time->seconds (current-time)) 2)))) | |
96 | (unspecified? (thread-sleep! past-time))))) | |
97 | ||
98 | (with-test-prefix "thread-terminate!" | |
99 | ||
100 | (pass-if "termination destroys non-started thread" | |
101 | (let ((t (make-thread (lambda () 'nothing) 'thread-terminate-1)) | |
102 | (num-threads (length (all-threads))) | |
103 | (success #f)) | |
104 | (thread-terminate! t) | |
105 | (with-exception-handler | |
106 | (lambda (obj) (set! success (terminated-thread-exception? obj))) | |
107 | (lambda () (thread-join! t))) | |
108 | success)) | |
109 | ||
110 | (pass-if "termination destroys started thread" | |
111 | (let* ((m1 (make-mutex 'thread-terminate-2a)) | |
112 | (m2 (make-mutex 'thread-terminate-2b)) | |
113 | (c (make-condition-variable 'thread-terminate-2)) | |
114 | (t (make-thread (lambda () | |
115 | (mutex-lock! m1) | |
116 | (condition-variable-signal! c) | |
117 | (mutex-unlock! m1) | |
118 | (mutex-lock! m2)) | |
119 | 'thread-terminate-2)) | |
120 | (success #f)) | |
121 | (mutex-lock! m1) | |
122 | (mutex-lock! m2) | |
123 | (thread-start! t) | |
124 | (mutex-unlock! m1 c) | |
125 | (thread-terminate! t) | |
126 | (with-exception-handler | |
127 | (lambda (obj) (set! success (terminated-thread-exception? obj))) | |
128 | (lambda () (thread-join! t))) | |
129 | success))) | |
130 | ||
131 | (with-test-prefix "thread-join!" | |
132 | ||
133 | (pass-if "join receives result of thread" | |
134 | (let ((t (make-thread (lambda () 'foo) 'thread-join-1))) | |
135 | (thread-start! t) | |
136 | (eq? (thread-join! t) 'foo))) | |
137 | ||
138 | (pass-if "join receives timeout val if timeout expires" | |
139 | (let* ((m (make-mutex 'thread-join-2)) | |
140 | (t (make-thread (lambda () (mutex-lock! m)) 'thread-join-2))) | |
141 | (mutex-lock! m) | |
142 | (thread-start! t) | |
143 | (let ((r (thread-join! t (current-time) 'bar))) | |
144 | (thread-terminate! t) | |
145 | (eq? r 'bar)))) | |
146 | ||
147 | (pass-if "join throws exception on timeout without timeout val" | |
148 | (let* ((m (make-mutex 'thread-join-3)) | |
149 | (t (make-thread (lambda () (mutex-lock! m)) 'thread-join-3)) | |
150 | (success #f)) | |
151 | (mutex-lock! m) | |
152 | (thread-start! t) | |
153 | (with-exception-handler | |
154 | (lambda (obj) (set! success (join-timeout-exception? obj))) | |
155 | (lambda () (thread-join! t (current-time)))) | |
156 | (thread-terminate! t) | |
157 | success)) | |
158 | ||
159 | (pass-if "join waits on timeout" | |
160 | (let ((t (make-thread (lambda () (sleep 1) 'foo) 'thread-join-4))) | |
161 | (thread-start! t) | |
162 | (eq? (thread-join! t (+ (time->seconds (current-time)) 2)) 'foo)))) | |
163 | ||
164 | (with-test-prefix "mutex?" | |
165 | ||
166 | (pass-if "make-mutex creates mutex" | |
167 | (mutex? (make-mutex))) | |
168 | ||
169 | (pass-if "symbol not mutex" | |
170 | (not (mutex? 'foo)))) | |
171 | ||
172 | (with-test-prefix "mutex-name" | |
173 | ||
174 | (pass-if "make-mutex with name binds name" | |
175 | (let* ((m (make-mutex 'mutex-name-1))) | |
176 | (eq? (mutex-name m) 'mutex-name-1))) | |
177 | ||
178 | (pass-if "make-mutex without name does not bind name" | |
179 | (let* ((m (make-mutex))) | |
180 | (not (mutex-name m))))) | |
181 | ||
182 | (with-test-prefix "mutex-specific" | |
183 | ||
184 | (pass-if "mutex-specific is initially #f" | |
185 | (let ((m (make-mutex 'mutex-specific-1))) | |
186 | (not (mutex-specific m)))) | |
187 | ||
188 | (pass-if "mutex-specific-set! can set value" | |
189 | (let ((m (make-mutex 'mutex-specific-2))) | |
190 | (mutex-specific-set! m "hello") | |
191 | (equal? (mutex-specific m) "hello")))) | |
192 | ||
193 | (with-test-prefix "mutex-state" | |
194 | ||
195 | (pass-if "mutex state is initially not-abandoned" | |
196 | (let ((m (make-mutex 'mutex-state-1))) | |
197 | (eq? (mutex-state m) 'not-abandoned))) | |
198 | ||
199 | (pass-if "mutex state of locked, owned mutex is owner thread" | |
200 | (let ((m (make-mutex 'mutex-state-2))) | |
201 | (mutex-lock! m) | |
202 | (eq? (mutex-state m) (current-thread)))) | |
203 | ||
204 | (pass-if "mutex state of locked, unowned mutex is not-owned" | |
205 | (let ((m (make-mutex 'mutex-state-3))) | |
206 | (mutex-lock! m #f #f) | |
207 | (eq? (mutex-state m) 'not-owned))) | |
208 | ||
209 | (pass-if "mutex state of unlocked, abandoned mutex is abandoned" | |
210 | (let* ((m (make-mutex 'mutex-state-4)) | |
211 | (t (make-thread (lambda () (mutex-lock! m))))) | |
212 | (thread-start! t) | |
213 | (thread-join! t) | |
214 | (eq? (mutex-state m) 'abandoned)))) | |
215 | ||
216 | (with-test-prefix "mutex-lock!" | |
217 | ||
218 | (pass-if "mutex-lock! returns true on successful lock" | |
219 | (let* ((m (make-mutex 'mutex-lock-1))) | |
220 | (mutex-lock! m))) | |
221 | ||
222 | (pass-if "mutex-lock! returns false on timeout" | |
223 | (let* ((m (make-mutex 'mutex-lock-2)) | |
224 | (t (make-thread (lambda () (mutex-lock! m (current-time) #f))))) | |
225 | (mutex-lock! m) | |
226 | (thread-start! t) | |
227 | (not (thread-join! t)))) | |
228 | ||
229 | (pass-if "mutex-lock! returns true when lock obtained within timeout" | |
230 | (let* ((m (make-mutex 'mutex-lock-3)) | |
231 | (t (make-thread (lambda () | |
232 | (mutex-lock! m (+ (time->seconds (current-time)) | |
233 | 100) | |
234 | #f))))) | |
235 | (mutex-lock! m) | |
236 | (thread-start! t) | |
237 | (mutex-unlock! m) | |
238 | (thread-join! t))) | |
239 | ||
240 | (pass-if "can lock mutex for non-current thread" | |
241 | (let* ((m1 (make-mutex 'mutex-lock-4a)) | |
242 | (m2 (make-mutex 'mutex-lock-4b)) | |
243 | (t (make-thread (lambda () (mutex-lock! m1)) 'mutex-lock-4))) | |
244 | (mutex-lock! m1) | |
245 | (thread-start! t) | |
246 | (mutex-lock! m2 #f t) | |
247 | (let ((success (eq? (mutex-state m2) t))) | |
248 | (thread-terminate! t) success))) | |
249 | ||
250 | (pass-if "locking abandoned mutex throws exception" | |
251 | (let* ((m (make-mutex 'mutex-lock-5)) | |
252 | (t (make-thread (lambda () (mutex-lock! m)) 'mutex-lock-5)) | |
253 | (success #f)) | |
254 | (thread-start! t) | |
255 | (thread-join! t) | |
256 | (with-exception-handler | |
257 | (lambda (obj) (set! success (abandoned-mutex-exception? obj))) | |
258 | (lambda () (mutex-lock! m))) | |
259 | (and success (eq? (mutex-state m) (current-thread))))) | |
260 | ||
261 | (pass-if "sleeping threads notified of abandonment" | |
262 | (let* ((m1 (make-mutex 'mutex-lock-6a)) | |
263 | (m2 (make-mutex 'mutex-lock-6b)) | |
264 | (c (make-condition-variable 'mutex-lock-6)) | |
265 | (t (make-thread (lambda () | |
266 | (mutex-lock! m1) | |
267 | (mutex-lock! m2) | |
268 | (condition-variable-signal! c)))) | |
269 | (success #f)) | |
270 | (mutex-lock! m1) | |
271 | (thread-start! t) | |
272 | (with-exception-handler | |
273 | (lambda (obj) (set! success (abandoned-mutex-exception? obj))) | |
274 | (lambda () (mutex-unlock! m1 c) (mutex-lock! m2))) | |
275 | success))) | |
276 | ||
277 | (with-test-prefix "mutex-unlock!" | |
278 | ||
279 | (pass-if "unlock changes mutex state" | |
280 | (let* ((m (make-mutex 'mutex-unlock-1))) | |
281 | (mutex-lock! m) | |
282 | (mutex-unlock! m) | |
283 | (eq? (mutex-state m) 'not-abandoned))) | |
284 | ||
285 | (pass-if "can unlock from any thread" | |
286 | (let* ((m (make-mutex 'mutex-unlock-2)) | |
287 | (t (make-thread (lambda () (mutex-unlock! m)) 'mutex-unlock-2))) | |
288 | (mutex-lock! m) | |
289 | (thread-start! t) | |
290 | (thread-join! t) | |
291 | (eq? (mutex-state m) 'not-abandoned))) | |
292 | ||
293 | (pass-if "mutex unlock is true when condition is signalled" | |
294 | (let* ((m (make-mutex 'mutex-unlock-3)) | |
295 | (c (make-condition-variable 'mutex-unlock-3)) | |
296 | (t (make-thread (lambda () | |
297 | (mutex-lock! m) | |
298 | (condition-variable-signal! c) | |
299 | (mutex-unlock! m))))) | |
300 | (mutex-lock! m) | |
301 | (thread-start! t) | |
302 | (mutex-unlock! m c))) | |
303 | ||
304 | (pass-if "mutex unlock is false when condition times out" | |
305 | (let* ((m (make-mutex 'mutex-unlock-4)) | |
306 | (c (make-condition-variable 'mutex-unlock-4))) | |
307 | (mutex-lock! m) | |
308 | (not (mutex-unlock! m c (+ (time->seconds (current-time)) 1)))))) | |
309 | ||
310 | (with-test-prefix "condition-variable?" | |
311 | ||
312 | (pass-if "make-condition-variable creates condition variable" | |
313 | (condition-variable? (make-condition-variable))) | |
314 | ||
315 | (pass-if "symbol not condition variable" | |
316 | (not (condition-variable? 'foo)))) | |
317 | ||
318 | (with-test-prefix "condition-variable-name" | |
319 | ||
320 | (pass-if "make-condition-variable with name binds name" | |
321 | (let* ((c (make-condition-variable 'condition-variable-name-1))) | |
322 | (eq? (condition-variable-name c) 'condition-variable-name-1))) | |
323 | ||
324 | (pass-if "make-condition-variable without name does not bind name" | |
325 | (let* ((c (make-condition-variable))) | |
326 | (not (condition-variable-name c))))) | |
327 | ||
328 | (with-test-prefix "condition-variable-specific" | |
329 | ||
330 | (pass-if "condition-variable-specific is initially #f" | |
331 | (let ((c (make-condition-variable 'condition-variable-specific-1))) | |
332 | (not (condition-variable-specific c)))) | |
333 | ||
334 | (pass-if "condition-variable-specific-set! can set value" | |
335 | (let ((c (make-condition-variable 'condition-variable-specific-1))) | |
336 | (condition-variable-specific-set! c "hello") | |
337 | (equal? (condition-variable-specific c) "hello")))) | |
338 | ||
339 | (with-test-prefix "condition-variable-signal!" | |
340 | ||
341 | (pass-if "condition-variable-signal! wakes up single thread" | |
342 | (let* ((m (make-mutex 'condition-variable-signal-1)) | |
343 | (c (make-condition-variable 'condition-variable-signal-1)) | |
344 | (t (make-thread (lambda () | |
345 | (mutex-lock! m) | |
346 | (condition-variable-signal! c) | |
347 | (mutex-unlock! m))))) | |
348 | (mutex-lock! m) | |
349 | (thread-start! t) | |
350 | (mutex-unlock! m c)))) | |
351 | ||
352 | (with-test-prefix "condition-variable-broadcast!" | |
353 | ||
354 | (pass-if "condition-variable-broadcast! wakes up multiple threads" | |
355 | (let* ((sem 0) | |
356 | (c1 (make-condition-variable 'condition-variable-broadcast-1-a)) | |
357 | (m1 (make-mutex 'condition-variable-broadcast-1-a)) | |
358 | (c2 (make-condition-variable 'condition-variable-broadcast-1-b)) | |
359 | (m2 (make-mutex 'condition-variable-broadcast-1-b)) | |
360 | (inc-sem! (lambda () | |
361 | (mutex-lock! m1) | |
362 | (set! sem (+ sem 1)) | |
363 | (condition-variable-broadcast! c1) | |
364 | (mutex-unlock! m1))) | |
365 | (dec-sem! (lambda () | |
366 | (mutex-lock! m1) | |
367 | (while (eqv? sem 0) (wait-condition-variable c1 m1)) | |
368 | (set! sem (- sem 1)) | |
369 | (mutex-unlock! m1))) | |
370 | (t1 (make-thread (lambda () | |
371 | (mutex-lock! m2) | |
372 | (inc-sem!) | |
373 | (mutex-unlock! m2 c2) | |
374 | (inc-sem!)))) | |
375 | (t2 (make-thread (lambda () | |
376 | (mutex-lock! m2) | |
377 | (inc-sem!) | |
378 | (mutex-unlock! m2 c2) | |
379 | (inc-sem!))))) | |
380 | (thread-start! t1) | |
381 | (thread-start! t2) | |
382 | (dec-sem!) | |
383 | (dec-sem!) | |
384 | (mutex-lock! m2) | |
385 | (condition-variable-broadcast! c2) | |
386 | (mutex-unlock! m2) | |
387 | (dec-sem!) | |
388 | (dec-sem!)))) | |
389 | ||
390 | (with-test-prefix "time?" | |
391 | ||
392 | (pass-if "current-time is time" (time? (current-time))) | |
393 | (pass-if "number is not time" (not (time? 123))) | |
394 | (pass-if "symbol not time" (not (time? 'foo)))) | |
395 | ||
396 | (with-test-prefix "time->seconds" | |
397 | ||
398 | (pass-if "time->seconds makes time into rational" | |
399 | (rational? (time->seconds (current-time)))) | |
400 | ||
401 | (pass-if "time->seconds is reversible" | |
402 | (let ((t (current-time))) | |
403 | (equal? t (seconds->time (time->seconds t)))))) | |
404 | ||
405 | (with-test-prefix "seconds->time" | |
406 | ||
407 | (pass-if "seconds->time makes rational into time" | |
408 | (time? (seconds->time 123.456))) | |
409 | ||
410 | (pass-if "seconds->time is reversible" | |
411 | (let ((t (time->seconds (current-time)))) | |
412 | (equal? t (time->seconds (seconds->time t)))))) | |
413 | ||
414 | (with-test-prefix "current-exception-handler" | |
415 | ||
416 | (pass-if "current handler returned at top level" | |
417 | (procedure? (current-exception-handler))) | |
418 | ||
419 | (pass-if "specified handler set under with-exception-handler" | |
420 | (let ((h (lambda (key . args) 'nothing))) | |
421 | (with-exception-handler h (lambda () (eq? (current-exception-handler) | |
422 | h))))) | |
423 | ||
424 | (pass-if "multiple levels of handler nesting" | |
425 | (let ((h (lambda (key . args) 'nothing)) | |
426 | (i (current-exception-handler))) | |
427 | (and (with-exception-handler h (lambda () | |
428 | (eq? (current-exception-handler) h))) | |
429 | (eq? (current-exception-handler) i)))) | |
430 | ||
431 | (pass-if "exception handler installation is thread-safe" | |
432 | (let* ((h1 (current-exception-handler)) | |
433 | (h2 (lambda (key . args) 'nothing-2)) | |
434 | (m (make-mutex 'current-exception-handler-4)) | |
435 | (c (make-condition-variable 'current-exception-handler-4)) | |
436 | (t (make-thread (lambda () | |
437 | (with-exception-handler | |
438 | h2 (lambda () | |
439 | (mutex-lock! m) | |
440 | (condition-variable-signal! c) | |
441 | (wait-condition-variable c m) | |
442 | (and (eq? (current-exception-handler) h2) | |
443 | (mutex-unlock! m))))) | |
444 | 'current-exception-handler-4))) | |
445 | (mutex-lock! m) | |
446 | (thread-start! t) | |
447 | (wait-condition-variable c m) | |
448 | (and (eq? (current-exception-handler) h1) | |
449 | (condition-variable-signal! c) | |
450 | (mutex-unlock! m) | |
451 | (thread-join! t))))) | |
452 | ||
453 | (with-test-prefix "uncaught-exception-reason" | |
454 | ||
455 | (pass-if "initial handler captures top level exception" | |
456 | (let ((t (make-thread (lambda () (raise 'foo)))) | |
457 | (success #f)) | |
458 | (thread-start! t) | |
459 | (with-exception-handler | |
460 | (lambda (obj) | |
461 | (and (uncaught-exception? obj) | |
462 | (eq? (uncaught-exception-reason obj) 'foo) | |
463 | (set! success #t))) | |
464 | (lambda () (thread-join! t))) | |
465 | success)) | |
466 | ||
467 | (pass-if "initial handler captures non-SRFI-18 throw" | |
468 | (let ((t (make-thread (lambda () (throw 'foo)))) | |
469 | (success #f)) | |
470 | (thread-start! t) | |
471 | (with-exception-handler | |
472 | (lambda (obj) | |
473 | (and (uncaught-exception? obj) | |
474 | (eq? (uncaught-exception-reason obj) 'foo) | |
475 | (set! success #t))) | |
476 | (lambda () (thread-join! t))) | |
477 | success))) |