1 | #include <boost/config.hpp> |
2 | |
3 | #if defined(BOOST_MSVC) |
4 | |
5 | #pragma warning(disable: 4786) // identifier truncated in debug info |
6 | #pragma warning(disable: 4710) // function not inlined |
7 | #pragma warning(disable: 4711) // function selected for automatic inline expansion |
8 | #pragma warning(disable: 4514) // unreferenced inline removed |
9 | #pragma warning(disable: 4355) // 'this' : used in base member initializer list |
10 | |
11 | #if (BOOST_MSVC >= 1310) |
12 | #pragma warning(disable: 4675) // resolved overload found with Koenig lookup |
13 | #endif |
14 | |
15 | #endif |
16 | |
17 | #if defined(__GNUC__) && __GNUC__ > 4 |
18 | # pragma GCC diagnostic ignored "-Wdelete-non-virtual-dtor" |
19 | #endif |
20 | |
21 | // |
22 | // shared_ptr_test.cpp |
23 | // |
24 | // Copyright (c) 2002, 2003 Peter Dimov |
25 | // |
26 | // Distributed under the Boost Software License, Version 1.0. (See |
27 | // accompanying file LICENSE_1_0.txt or copy at |
28 | // http://www.boost.org/LICENSE_1_0.txt) |
29 | // |
30 | |
31 | #include <boost/core/lightweight_test.hpp> |
32 | |
33 | #include <boost/shared_ptr.hpp> |
34 | #include <boost/weak_ptr.hpp> |
35 | |
36 | #include <map> |
37 | #include <vector> |
38 | |
39 | // |
40 | |
41 | namespace n_element_type |
42 | { |
43 | |
44 | void f(int &) |
45 | { |
46 | } |
47 | |
48 | void test() |
49 | { |
50 | typedef boost::shared_ptr<int>::element_type T; |
51 | T t; |
52 | f(t); |
53 | } |
54 | |
55 | } // namespace n_element_type |
56 | |
57 | namespace n_constructors |
58 | { |
59 | |
60 | class incomplete; |
61 | |
62 | void default_constructor() |
63 | { |
64 | { |
65 | boost::shared_ptr<int> pi; |
66 | BOOST_TEST(pi? false: true); |
67 | BOOST_TEST(!pi); |
68 | BOOST_TEST(pi.get() == 0); |
69 | BOOST_TEST(pi.use_count() == 0); |
70 | } |
71 | |
72 | { |
73 | boost::shared_ptr<void> pv; |
74 | BOOST_TEST(pv? false: true); |
75 | BOOST_TEST(!pv); |
76 | BOOST_TEST(pv.get() == 0); |
77 | BOOST_TEST(pv.use_count() == 0); |
78 | } |
79 | |
80 | { |
81 | boost::shared_ptr<incomplete> px; |
82 | BOOST_TEST(px? false: true); |
83 | BOOST_TEST(!px); |
84 | BOOST_TEST(px.get() == 0); |
85 | BOOST_TEST(px.use_count() == 0); |
86 | } |
87 | } |
88 | |
89 | struct A |
90 | { |
91 | int dummy; |
92 | }; |
93 | |
94 | struct X |
95 | { |
96 | static long instances; |
97 | |
98 | X() |
99 | { |
100 | ++instances; |
101 | } |
102 | |
103 | ~X() |
104 | { |
105 | --instances; |
106 | } |
107 | |
108 | private: |
109 | |
110 | X(X const &); |
111 | X & operator= (X const &); |
112 | }; |
113 | |
114 | long X::instances = 0; |
115 | |
116 | // virtual inheritance stresses the implementation |
117 | |
118 | struct Y: public A, public virtual X |
119 | { |
120 | static long instances; |
121 | |
122 | Y() |
123 | { |
124 | ++instances; |
125 | } |
126 | |
127 | ~Y() |
128 | { |
129 | --instances; |
130 | } |
131 | |
132 | private: |
133 | |
134 | Y(Y const &); |
135 | Y & operator= (Y const &); |
136 | }; |
137 | |
138 | long Y::instances = 0; |
139 | |
140 | template<class T> void pc0_test(T * p) |
141 | { |
142 | BOOST_TEST(p == 0); |
143 | boost::shared_ptr<T> pt(p); |
144 | BOOST_TEST(pt? false: true); |
145 | BOOST_TEST(!pt); |
146 | BOOST_TEST(pt.get() == 0); |
147 | BOOST_TEST(pt.use_count() == 1); |
148 | BOOST_TEST(pt.unique()); |
149 | } |
150 | |
151 | void pointer_constructor() |
152 | { |
153 | pc0_test(p: static_cast<int*>(0)); |
154 | |
155 | #if !defined(BOOST_MSVC) || (BOOST_MSVC > 1300) |
156 | |
157 | pc0_test(p: static_cast<int const*>(0)); |
158 | pc0_test(p: static_cast<int volatile*>(0)); |
159 | pc0_test(p: static_cast<int const volatile*>(0)); |
160 | |
161 | #endif |
162 | |
163 | { |
164 | boost::shared_ptr<int const> pi(static_cast<int*>(0)); |
165 | BOOST_TEST(pi? false: true); |
166 | BOOST_TEST(!pi); |
167 | BOOST_TEST(pi.get() == 0); |
168 | BOOST_TEST(pi.use_count() == 1); |
169 | BOOST_TEST(pi.unique()); |
170 | } |
171 | |
172 | { |
173 | boost::shared_ptr<int volatile> pi(static_cast<int*>(0)); |
174 | BOOST_TEST(pi? false: true); |
175 | BOOST_TEST(!pi); |
176 | BOOST_TEST(pi.get() == 0); |
177 | BOOST_TEST(pi.use_count() == 1); |
178 | BOOST_TEST(pi.unique()); |
179 | } |
180 | |
181 | { |
182 | boost::shared_ptr<void> pv(static_cast<int*>(0)); |
183 | BOOST_TEST(pv? false: true); |
184 | BOOST_TEST(!pv); |
185 | BOOST_TEST(pv.get() == 0); |
186 | BOOST_TEST(pv.use_count() == 1); |
187 | BOOST_TEST(pv.unique()); |
188 | } |
189 | |
190 | { |
191 | boost::shared_ptr<void const> pv(static_cast<int*>(0)); |
192 | BOOST_TEST(pv? false: true); |
193 | BOOST_TEST(!pv); |
194 | BOOST_TEST(pv.get() == 0); |
195 | BOOST_TEST(pv.use_count() == 1); |
196 | BOOST_TEST(pv.unique()); |
197 | } |
198 | |
199 | pc0_test(p: static_cast<X*>(0)); |
200 | pc0_test(p: static_cast<X const*>(0)); |
201 | pc0_test(p: static_cast<X volatile*>(0)); |
202 | pc0_test(p: static_cast<X const volatile*>(0)); |
203 | |
204 | { |
205 | boost::shared_ptr<X const> px(static_cast<X*>(0)); |
206 | BOOST_TEST(px? false: true); |
207 | BOOST_TEST(!px); |
208 | BOOST_TEST(px.get() == 0); |
209 | BOOST_TEST(px.use_count() == 1); |
210 | BOOST_TEST(px.unique()); |
211 | } |
212 | |
213 | { |
214 | boost::shared_ptr<X> px(static_cast<Y*>(0)); |
215 | BOOST_TEST(px? false: true); |
216 | BOOST_TEST(!px); |
217 | BOOST_TEST(px.get() == 0); |
218 | BOOST_TEST(px.use_count() == 1); |
219 | BOOST_TEST(px.unique()); |
220 | } |
221 | |
222 | { |
223 | boost::shared_ptr<X const> px(static_cast<Y*>(0)); |
224 | BOOST_TEST(px? false: true); |
225 | BOOST_TEST(!px); |
226 | BOOST_TEST(px.get() == 0); |
227 | BOOST_TEST(px.use_count() == 1); |
228 | BOOST_TEST(px.unique()); |
229 | } |
230 | |
231 | { |
232 | boost::shared_ptr<void> pv(static_cast<X*>(0)); |
233 | BOOST_TEST(pv? false: true); |
234 | BOOST_TEST(!pv); |
235 | BOOST_TEST(pv.get() == 0); |
236 | BOOST_TEST(pv.use_count() == 1); |
237 | BOOST_TEST(pv.unique()); |
238 | } |
239 | |
240 | { |
241 | boost::shared_ptr<void const> pv(static_cast<X*>(0)); |
242 | BOOST_TEST(pv? false: true); |
243 | BOOST_TEST(!pv); |
244 | BOOST_TEST(pv.get() == 0); |
245 | BOOST_TEST(pv.use_count() == 1); |
246 | BOOST_TEST(pv.unique()); |
247 | } |
248 | |
249 | { |
250 | int * p = new int(7); |
251 | boost::shared_ptr<int> pi(p); |
252 | BOOST_TEST(pi? true: false); |
253 | BOOST_TEST(!!pi); |
254 | BOOST_TEST(pi.get() == p); |
255 | BOOST_TEST(pi.use_count() == 1); |
256 | BOOST_TEST(pi.unique()); |
257 | BOOST_TEST(*pi == 7); |
258 | } |
259 | |
260 | { |
261 | int * p = new int(7); |
262 | boost::shared_ptr<int const> pi(p); |
263 | BOOST_TEST(pi? true: false); |
264 | BOOST_TEST(!!pi); |
265 | BOOST_TEST(pi.get() == p); |
266 | BOOST_TEST(pi.use_count() == 1); |
267 | BOOST_TEST(pi.unique()); |
268 | BOOST_TEST(*pi == 7); |
269 | } |
270 | |
271 | { |
272 | int * p = new int(7); |
273 | boost::shared_ptr<void> pv(p); |
274 | BOOST_TEST(pv? true: false); |
275 | BOOST_TEST(!!pv); |
276 | BOOST_TEST(pv.get() == p); |
277 | BOOST_TEST(pv.use_count() == 1); |
278 | BOOST_TEST(pv.unique()); |
279 | } |
280 | |
281 | { |
282 | int * p = new int(7); |
283 | boost::shared_ptr<void const> pv(p); |
284 | BOOST_TEST(pv? true: false); |
285 | BOOST_TEST(!!pv); |
286 | BOOST_TEST(pv.get() == p); |
287 | BOOST_TEST(pv.use_count() == 1); |
288 | BOOST_TEST(pv.unique()); |
289 | } |
290 | |
291 | BOOST_TEST(X::instances == 0); |
292 | |
293 | { |
294 | X * p = new X; |
295 | boost::shared_ptr<X> px(p); |
296 | BOOST_TEST(px? true: false); |
297 | BOOST_TEST(!!px); |
298 | BOOST_TEST(px.get() == p); |
299 | BOOST_TEST(px.use_count() == 1); |
300 | BOOST_TEST(px.unique()); |
301 | BOOST_TEST(X::instances == 1); |
302 | } |
303 | |
304 | BOOST_TEST(X::instances == 0); |
305 | |
306 | { |
307 | X * p = new X; |
308 | boost::shared_ptr<X const> px(p); |
309 | BOOST_TEST(px? true: false); |
310 | BOOST_TEST(!!px); |
311 | BOOST_TEST(px.get() == p); |
312 | BOOST_TEST(px.use_count() == 1); |
313 | BOOST_TEST(px.unique()); |
314 | BOOST_TEST(X::instances == 1); |
315 | } |
316 | |
317 | BOOST_TEST(X::instances == 0); |
318 | |
319 | { |
320 | X * p = new X; |
321 | boost::shared_ptr<void> pv(p); |
322 | BOOST_TEST(pv? true: false); |
323 | BOOST_TEST(!!pv); |
324 | BOOST_TEST(pv.get() == p); |
325 | BOOST_TEST(pv.use_count() == 1); |
326 | BOOST_TEST(pv.unique()); |
327 | BOOST_TEST(X::instances == 1); |
328 | } |
329 | |
330 | BOOST_TEST(X::instances == 0); |
331 | |
332 | { |
333 | X * p = new X; |
334 | boost::shared_ptr<void const> pv(p); |
335 | BOOST_TEST(pv? true: false); |
336 | BOOST_TEST(!!pv); |
337 | BOOST_TEST(pv.get() == p); |
338 | BOOST_TEST(pv.use_count() == 1); |
339 | BOOST_TEST(pv.unique()); |
340 | BOOST_TEST(X::instances == 1); |
341 | } |
342 | |
343 | BOOST_TEST(X::instances == 0); |
344 | BOOST_TEST(Y::instances == 0); |
345 | |
346 | { |
347 | Y * p = new Y; |
348 | boost::shared_ptr<X> px(p); |
349 | BOOST_TEST(px? true: false); |
350 | BOOST_TEST(!!px); |
351 | BOOST_TEST(px.get() == p); |
352 | BOOST_TEST(px.use_count() == 1); |
353 | BOOST_TEST(px.unique()); |
354 | BOOST_TEST(X::instances == 1); |
355 | BOOST_TEST(Y::instances == 1); |
356 | } |
357 | |
358 | BOOST_TEST(X::instances == 0); |
359 | BOOST_TEST(Y::instances == 0); |
360 | |
361 | { |
362 | Y * p = new Y; |
363 | boost::shared_ptr<X const> px(p); |
364 | BOOST_TEST(px? true: false); |
365 | BOOST_TEST(!!px); |
366 | BOOST_TEST(px.get() == p); |
367 | BOOST_TEST(px.use_count() == 1); |
368 | BOOST_TEST(px.unique()); |
369 | BOOST_TEST(X::instances == 1); |
370 | BOOST_TEST(Y::instances == 1); |
371 | } |
372 | |
373 | BOOST_TEST(X::instances == 0); |
374 | BOOST_TEST(Y::instances == 0); |
375 | } |
376 | |
377 | int m = 0; |
378 | |
379 | void deleter(int * p) |
380 | { |
381 | BOOST_TEST(p == 0); |
382 | } |
383 | |
384 | void deleter2(int * p) |
385 | { |
386 | BOOST_TEST(p == &m); |
387 | ++*p; |
388 | } |
389 | |
390 | struct deleter3 |
391 | { |
392 | void operator()(incomplete * p) |
393 | { |
394 | BOOST_TEST(p == 0); |
395 | } |
396 | }; |
397 | |
398 | // Borland C++ 5.5.1 fails on static_cast<incomplete*>(0) |
399 | |
400 | incomplete * p0 = 0; |
401 | |
402 | void deleter_constructor() |
403 | { |
404 | { |
405 | boost::shared_ptr<int> pi(static_cast<int*>(0), deleter); |
406 | BOOST_TEST(pi? false: true); |
407 | BOOST_TEST(!pi); |
408 | BOOST_TEST(pi.get() == 0); |
409 | BOOST_TEST(pi.use_count() == 1); |
410 | BOOST_TEST(pi.unique()); |
411 | } |
412 | |
413 | { |
414 | boost::shared_ptr<void> pv(static_cast<int*>(0), &deleter); |
415 | BOOST_TEST(pv? false: true); |
416 | BOOST_TEST(!pv); |
417 | BOOST_TEST(pv.get() == 0); |
418 | BOOST_TEST(pv.use_count() == 1); |
419 | BOOST_TEST(pv.unique()); |
420 | } |
421 | |
422 | { |
423 | boost::shared_ptr<void const> pv(static_cast<int*>(0), deleter); |
424 | BOOST_TEST(pv? false: true); |
425 | BOOST_TEST(!pv); |
426 | BOOST_TEST(pv.get() == 0); |
427 | BOOST_TEST(pv.use_count() == 1); |
428 | BOOST_TEST(pv.unique()); |
429 | } |
430 | |
431 | { |
432 | boost::shared_ptr<incomplete> px(p0, deleter3()); |
433 | BOOST_TEST(px? false: true); |
434 | BOOST_TEST(!px); |
435 | BOOST_TEST(px.get() == 0); |
436 | BOOST_TEST(px.use_count() == 1); |
437 | BOOST_TEST(px.unique()); |
438 | } |
439 | |
440 | { |
441 | boost::shared_ptr<void> pv(p0, deleter3()); |
442 | BOOST_TEST(pv? false: true); |
443 | BOOST_TEST(!pv); |
444 | BOOST_TEST(pv.get() == 0); |
445 | BOOST_TEST(pv.use_count() == 1); |
446 | BOOST_TEST(pv.unique()); |
447 | } |
448 | |
449 | { |
450 | boost::shared_ptr<void const> pv(p0, deleter3()); |
451 | BOOST_TEST(pv? false: true); |
452 | BOOST_TEST(!pv); |
453 | BOOST_TEST(pv.get() == 0); |
454 | BOOST_TEST(pv.use_count() == 1); |
455 | BOOST_TEST(pv.unique()); |
456 | } |
457 | |
458 | BOOST_TEST(m == 0); |
459 | |
460 | { |
461 | boost::shared_ptr<int> pi(&m, deleter2); |
462 | BOOST_TEST(pi? true: false); |
463 | BOOST_TEST(!!pi); |
464 | BOOST_TEST(pi.get() == &m); |
465 | BOOST_TEST(pi.use_count() == 1); |
466 | BOOST_TEST(pi.unique()); |
467 | } |
468 | |
469 | BOOST_TEST(m == 1); |
470 | |
471 | { |
472 | boost::shared_ptr<int const> pi(&m, &deleter2); |
473 | BOOST_TEST(pi? true: false); |
474 | BOOST_TEST(!!pi); |
475 | BOOST_TEST(pi.get() == &m); |
476 | BOOST_TEST(pi.use_count() == 1); |
477 | BOOST_TEST(pi.unique()); |
478 | } |
479 | |
480 | BOOST_TEST(m == 2); |
481 | |
482 | { |
483 | boost::shared_ptr<void> pv(&m, deleter2); |
484 | BOOST_TEST(pv? true: false); |
485 | BOOST_TEST(!!pv); |
486 | BOOST_TEST(pv.get() == &m); |
487 | BOOST_TEST(pv.use_count() == 1); |
488 | BOOST_TEST(pv.unique()); |
489 | } |
490 | |
491 | BOOST_TEST(m == 3); |
492 | |
493 | { |
494 | boost::shared_ptr<void const> pv(&m, &deleter2); |
495 | BOOST_TEST(pv? true: false); |
496 | BOOST_TEST(!!pv); |
497 | BOOST_TEST(pv.get() == &m); |
498 | BOOST_TEST(pv.use_count() == 1); |
499 | BOOST_TEST(pv.unique()); |
500 | } |
501 | |
502 | BOOST_TEST(m == 4); |
503 | } |
504 | |
505 | void copy_constructor() |
506 | { |
507 | { |
508 | boost::shared_ptr<int> pi; |
509 | |
510 | boost::shared_ptr<int> pi2(pi); |
511 | BOOST_TEST(pi2 == pi); |
512 | BOOST_TEST(pi2? false: true); |
513 | BOOST_TEST(!pi2); |
514 | BOOST_TEST(pi2.get() == 0); |
515 | BOOST_TEST(pi2.use_count() == pi.use_count()); |
516 | |
517 | boost::shared_ptr<void> pi3(pi); |
518 | BOOST_TEST(pi3 == pi); |
519 | BOOST_TEST(pi3? false: true); |
520 | BOOST_TEST(!pi3); |
521 | BOOST_TEST(pi3.get() == 0); |
522 | BOOST_TEST(pi3.use_count() == pi.use_count()); |
523 | |
524 | boost::shared_ptr<void> pi4(pi3); |
525 | BOOST_TEST(pi4 == pi3); |
526 | BOOST_TEST(pi4? false: true); |
527 | BOOST_TEST(!pi4); |
528 | BOOST_TEST(pi4.get() == 0); |
529 | BOOST_TEST(pi4.use_count() == pi3.use_count()); |
530 | } |
531 | |
532 | { |
533 | boost::shared_ptr<void> pv; |
534 | |
535 | boost::shared_ptr<void> pv2(pv); |
536 | BOOST_TEST(pv2 == pv); |
537 | BOOST_TEST(pv2? false: true); |
538 | BOOST_TEST(!pv2); |
539 | BOOST_TEST(pv2.get() == 0); |
540 | BOOST_TEST(pv2.use_count() == pv.use_count()); |
541 | } |
542 | |
543 | { |
544 | boost::shared_ptr<incomplete> px; |
545 | |
546 | boost::shared_ptr<incomplete> px2(px); |
547 | BOOST_TEST(px2 == px); |
548 | BOOST_TEST(px2? false: true); |
549 | BOOST_TEST(!px2); |
550 | BOOST_TEST(px2.get() == 0); |
551 | BOOST_TEST(px2.use_count() == px.use_count()); |
552 | |
553 | boost::shared_ptr<void> px3(px); |
554 | BOOST_TEST(px3 == px); |
555 | BOOST_TEST(px3? false: true); |
556 | BOOST_TEST(!px3); |
557 | BOOST_TEST(px3.get() == 0); |
558 | BOOST_TEST(px3.use_count() == px.use_count()); |
559 | } |
560 | |
561 | { |
562 | boost::shared_ptr<int> pi(static_cast<int*>(0)); |
563 | |
564 | boost::shared_ptr<int> pi2(pi); |
565 | BOOST_TEST(pi2 == pi); |
566 | BOOST_TEST(pi2? false: true); |
567 | BOOST_TEST(!pi2); |
568 | BOOST_TEST(pi2.get() == 0); |
569 | BOOST_TEST(pi2.use_count() == 2); |
570 | BOOST_TEST(!pi2.unique()); |
571 | BOOST_TEST(pi2.use_count() == pi.use_count()); |
572 | BOOST_TEST(!(pi < pi2 || pi2 < pi)); // shared ownership test |
573 | |
574 | boost::shared_ptr<void> pi3(pi); |
575 | BOOST_TEST(pi3 == pi); |
576 | BOOST_TEST(pi3? false: true); |
577 | BOOST_TEST(!pi3); |
578 | BOOST_TEST(pi3.get() == 0); |
579 | BOOST_TEST(pi3.use_count() == 3); |
580 | BOOST_TEST(!pi3.unique()); |
581 | BOOST_TEST(pi3.use_count() == pi.use_count()); |
582 | BOOST_TEST(!(pi < pi3 || pi3 < pi)); // shared ownership test |
583 | |
584 | boost::shared_ptr<void> pi4(pi2); |
585 | BOOST_TEST(pi4 == pi2); |
586 | BOOST_TEST(pi4? false: true); |
587 | BOOST_TEST(!pi4); |
588 | BOOST_TEST(pi4.get() == 0); |
589 | BOOST_TEST(pi4.use_count() == 4); |
590 | BOOST_TEST(!pi4.unique()); |
591 | BOOST_TEST(pi4.use_count() == pi2.use_count()); |
592 | BOOST_TEST(!(pi2 < pi4 || pi4 < pi2)); // shared ownership test |
593 | |
594 | BOOST_TEST(pi3.use_count() == pi4.use_count()); |
595 | BOOST_TEST(!(pi3 < pi4 || pi4 < pi3)); // shared ownership test |
596 | } |
597 | |
598 | { |
599 | boost::shared_ptr<X> px(static_cast<X*>(0)); |
600 | |
601 | boost::shared_ptr<X> px2(px); |
602 | BOOST_TEST(px2 == px); |
603 | BOOST_TEST(px2? false: true); |
604 | BOOST_TEST(!px2); |
605 | BOOST_TEST(px2.get() == 0); |
606 | BOOST_TEST(px2.use_count() == 2); |
607 | BOOST_TEST(!px2.unique()); |
608 | BOOST_TEST(px2.use_count() == px.use_count()); |
609 | BOOST_TEST(!(px < px2 || px2 < px)); // shared ownership test |
610 | |
611 | boost::shared_ptr<void> px3(px); |
612 | BOOST_TEST(px3 == px); |
613 | BOOST_TEST(px3? false: true); |
614 | BOOST_TEST(!px3); |
615 | BOOST_TEST(px3.get() == 0); |
616 | BOOST_TEST(px3.use_count() == 3); |
617 | BOOST_TEST(!px3.unique()); |
618 | BOOST_TEST(px3.use_count() == px.use_count()); |
619 | BOOST_TEST(!(px < px3 || px3 < px)); // shared ownership test |
620 | |
621 | boost::shared_ptr<void> px4(px2); |
622 | BOOST_TEST(px4 == px2); |
623 | BOOST_TEST(px4? false: true); |
624 | BOOST_TEST(!px4); |
625 | BOOST_TEST(px4.get() == 0); |
626 | BOOST_TEST(px4.use_count() == 4); |
627 | BOOST_TEST(!px4.unique()); |
628 | BOOST_TEST(px4.use_count() == px2.use_count()); |
629 | BOOST_TEST(!(px2 < px4 || px4 < px2)); // shared ownership test |
630 | |
631 | BOOST_TEST(px3.use_count() == px4.use_count()); |
632 | BOOST_TEST(!(px3 < px4 || px4 < px3)); // shared ownership test |
633 | } |
634 | |
635 | { |
636 | int * p = new int(7); |
637 | boost::shared_ptr<int> pi(p); |
638 | |
639 | boost::shared_ptr<int> pi2(pi); |
640 | BOOST_TEST(pi2 == pi); |
641 | BOOST_TEST(pi2? true: false); |
642 | BOOST_TEST(!!pi2); |
643 | BOOST_TEST(pi2.get() == p); |
644 | BOOST_TEST(pi2.use_count() == 2); |
645 | BOOST_TEST(!pi2.unique()); |
646 | BOOST_TEST(*pi2 == 7); |
647 | BOOST_TEST(pi2.use_count() == pi.use_count()); |
648 | BOOST_TEST(!(pi < pi2 || pi2 < pi)); // shared ownership test |
649 | } |
650 | |
651 | { |
652 | int * p = new int(7); |
653 | boost::shared_ptr<void> pv(p); |
654 | BOOST_TEST(pv.get() == p); |
655 | |
656 | boost::shared_ptr<void> pv2(pv); |
657 | BOOST_TEST(pv2 == pv); |
658 | BOOST_TEST(pv2? true: false); |
659 | BOOST_TEST(!!pv2); |
660 | BOOST_TEST(pv2.get() == p); |
661 | BOOST_TEST(pv2.use_count() == 2); |
662 | BOOST_TEST(!pv2.unique()); |
663 | BOOST_TEST(pv2.use_count() == pv.use_count()); |
664 | BOOST_TEST(!(pv < pv2 || pv2 < pv)); // shared ownership test |
665 | } |
666 | |
667 | BOOST_TEST(X::instances == 0); |
668 | |
669 | { |
670 | X * p = new X; |
671 | boost::shared_ptr<X> px(p); |
672 | BOOST_TEST(px.get() == p); |
673 | |
674 | boost::shared_ptr<X> px2(px); |
675 | BOOST_TEST(px2 == px); |
676 | BOOST_TEST(px2? true: false); |
677 | BOOST_TEST(!!px2); |
678 | BOOST_TEST(px2.get() == p); |
679 | BOOST_TEST(px2.use_count() == 2); |
680 | BOOST_TEST(!px2.unique()); |
681 | |
682 | BOOST_TEST(X::instances == 1); |
683 | |
684 | BOOST_TEST(px2.use_count() == px.use_count()); |
685 | BOOST_TEST(!(px < px2 || px2 < px)); // shared ownership test |
686 | |
687 | boost::shared_ptr<void> px3(px); |
688 | BOOST_TEST(px3 == px); |
689 | BOOST_TEST(px3? true: false); |
690 | BOOST_TEST(!!px3); |
691 | BOOST_TEST(px3.get() == p); |
692 | BOOST_TEST(px3.use_count() == 3); |
693 | BOOST_TEST(!px3.unique()); |
694 | BOOST_TEST(px3.use_count() == px.use_count()); |
695 | BOOST_TEST(!(px < px3 || px3 < px)); // shared ownership test |
696 | |
697 | boost::shared_ptr<void> px4(px2); |
698 | BOOST_TEST(px4 == px2); |
699 | BOOST_TEST(px4? true: false); |
700 | BOOST_TEST(!!px4); |
701 | BOOST_TEST(px4.get() == p); |
702 | BOOST_TEST(px4.use_count() == 4); |
703 | BOOST_TEST(!px4.unique()); |
704 | BOOST_TEST(px4.use_count() == px2.use_count()); |
705 | BOOST_TEST(!(px2 < px4 || px4 < px2)); // shared ownership test |
706 | |
707 | BOOST_TEST(px3.use_count() == px4.use_count()); |
708 | BOOST_TEST(!(px3 < px4 || px4 < px3)); // shared ownership test |
709 | } |
710 | |
711 | BOOST_TEST(X::instances == 0); |
712 | BOOST_TEST(Y::instances == 0); |
713 | |
714 | { |
715 | Y * p = new Y; |
716 | boost::shared_ptr<Y> py(p); |
717 | BOOST_TEST(py.get() == p); |
718 | |
719 | boost::shared_ptr<X> px(py); |
720 | BOOST_TEST(px == py); |
721 | BOOST_TEST(px? true: false); |
722 | BOOST_TEST(!!px); |
723 | BOOST_TEST(px.get() == p); |
724 | BOOST_TEST(px.use_count() == 2); |
725 | BOOST_TEST(!px.unique()); |
726 | BOOST_TEST(px.use_count() == py.use_count()); |
727 | BOOST_TEST(!(px < py || py < px)); // shared ownership test |
728 | |
729 | BOOST_TEST(X::instances == 1); |
730 | BOOST_TEST(Y::instances == 1); |
731 | |
732 | boost::shared_ptr<void const> pv(px); |
733 | BOOST_TEST(pv == px); |
734 | BOOST_TEST(pv? true: false); |
735 | BOOST_TEST(!!pv); |
736 | BOOST_TEST(pv.get() == px.get()); |
737 | BOOST_TEST(pv.use_count() == 3); |
738 | BOOST_TEST(!pv.unique()); |
739 | BOOST_TEST(pv.use_count() == px.use_count()); |
740 | BOOST_TEST(!(px < pv || pv < px)); // shared ownership test |
741 | |
742 | boost::shared_ptr<void const> pv2(py); |
743 | BOOST_TEST(pv2 == py); |
744 | BOOST_TEST(pv2? true: false); |
745 | BOOST_TEST(!!pv2); |
746 | BOOST_TEST(pv2.get() == py.get()); |
747 | BOOST_TEST(pv2.use_count() == 4); |
748 | BOOST_TEST(!pv2.unique()); |
749 | BOOST_TEST(pv2.use_count() == py.use_count()); |
750 | BOOST_TEST(!(py < pv2 || pv2 < py)); // shared ownership test |
751 | |
752 | BOOST_TEST(pv.use_count() == pv2.use_count()); |
753 | BOOST_TEST(!(pv < pv2 || pv2 < pv)); // shared ownership test |
754 | } |
755 | |
756 | BOOST_TEST(X::instances == 0); |
757 | BOOST_TEST(Y::instances == 0); |
758 | } |
759 | |
760 | void weak_ptr_constructor() |
761 | { |
762 | { |
763 | boost::weak_ptr<Y> wp; |
764 | BOOST_TEST(wp.use_count() == 0); |
765 | |
766 | try |
767 | { |
768 | boost::shared_ptr<Y> p2(wp); |
769 | BOOST_ERROR("shared_ptr<Y> p2(wp) failed to throw" ); |
770 | } |
771 | catch(boost::bad_weak_ptr const&) |
772 | { |
773 | } |
774 | |
775 | try |
776 | { |
777 | boost::shared_ptr<X> p3(wp); |
778 | BOOST_ERROR("shared_ptr<X> p3(wp) failed to throw" ); |
779 | } |
780 | catch(boost::bad_weak_ptr const&) |
781 | { |
782 | } |
783 | } |
784 | |
785 | { |
786 | boost::shared_ptr<Y> p; |
787 | boost::weak_ptr<Y> wp(p); |
788 | |
789 | if(wp.use_count() != 0) // 0 allowed but not required |
790 | { |
791 | boost::shared_ptr<Y> p2(wp); |
792 | BOOST_TEST(p2.use_count() == wp.use_count()); |
793 | BOOST_TEST(p2.get() == 0); |
794 | |
795 | boost::shared_ptr<X> p3(wp); |
796 | BOOST_TEST(p3.use_count() == wp.use_count()); |
797 | BOOST_TEST(p3.get() == 0); |
798 | } |
799 | } |
800 | |
801 | { |
802 | boost::shared_ptr<Y> p(new Y); |
803 | boost::weak_ptr<Y> wp(p); |
804 | |
805 | { |
806 | boost::shared_ptr<Y> p2(wp); |
807 | BOOST_TEST(p2? true: false); |
808 | BOOST_TEST(!!p2); |
809 | BOOST_TEST(p2.get() == p.get()); |
810 | BOOST_TEST(p2.use_count() == 2); |
811 | BOOST_TEST(!p2.unique()); |
812 | BOOST_TEST(p2.use_count() == wp.use_count()); |
813 | |
814 | BOOST_TEST(p.use_count() == p2.use_count()); |
815 | BOOST_TEST(!(p < p2 || p2 < p)); // shared ownership test |
816 | |
817 | boost::shared_ptr<X> p3(wp); |
818 | BOOST_TEST(p3? true: false); |
819 | BOOST_TEST(!!p3); |
820 | BOOST_TEST(p3.get() == p.get()); |
821 | BOOST_TEST(p3.use_count() == 3); |
822 | BOOST_TEST(!p3.unique()); |
823 | BOOST_TEST(p3.use_count() == wp.use_count()); |
824 | |
825 | BOOST_TEST(p.use_count() == p3.use_count()); |
826 | } |
827 | |
828 | p.reset(); |
829 | BOOST_TEST(wp.use_count() == 0); |
830 | |
831 | try |
832 | { |
833 | boost::shared_ptr<Y> p2(wp); |
834 | BOOST_ERROR("shared_ptr<Y> p2(wp) failed to throw" ); |
835 | } |
836 | catch(boost::bad_weak_ptr const&) |
837 | { |
838 | } |
839 | |
840 | try |
841 | { |
842 | boost::shared_ptr<X> p3(wp); |
843 | BOOST_ERROR("shared_ptr<X> p3(wp) failed to throw" ); |
844 | } |
845 | catch(boost::bad_weak_ptr const&) |
846 | { |
847 | } |
848 | } |
849 | } |
850 | |
851 | #if defined(BOOST_DINKUMWARE_STDLIB) && (BOOST_DINKUMWARE_STDLIB < 306) |
852 | # define BOOST_OLD_AUTO_PTR |
853 | #endif |
854 | |
855 | void auto_ptr_constructor() |
856 | { |
857 | #if !defined( BOOST_NO_AUTO_PTR ) |
858 | |
859 | { |
860 | std::auto_ptr<int> p; |
861 | boost::shared_ptr<int> pi(p); |
862 | BOOST_TEST(pi? false: true); |
863 | BOOST_TEST(!pi); |
864 | BOOST_TEST(pi.get() == 0); |
865 | BOOST_TEST(pi.use_count() == 1); |
866 | BOOST_TEST(pi.unique()); |
867 | BOOST_TEST(p.get() == 0); |
868 | } |
869 | |
870 | { |
871 | std::auto_ptr<int> p; |
872 | boost::shared_ptr<int const> pi(p); |
873 | BOOST_TEST(pi? false: true); |
874 | BOOST_TEST(!pi); |
875 | BOOST_TEST(pi.get() == 0); |
876 | BOOST_TEST(pi.use_count() == 1); |
877 | BOOST_TEST(pi.unique()); |
878 | BOOST_TEST(p.get() == 0); |
879 | } |
880 | |
881 | { |
882 | std::auto_ptr<int> p; |
883 | boost::shared_ptr<void> pv(p); |
884 | BOOST_TEST(pv? false: true); |
885 | BOOST_TEST(!pv); |
886 | BOOST_TEST(pv.get() == 0); |
887 | BOOST_TEST(pv.use_count() == 1); |
888 | BOOST_TEST(pv.unique()); |
889 | BOOST_TEST(p.get() == 0); |
890 | } |
891 | |
892 | { |
893 | std::auto_ptr<int> p; |
894 | boost::shared_ptr<void const> pv(p); |
895 | BOOST_TEST(pv? false: true); |
896 | BOOST_TEST(!pv); |
897 | BOOST_TEST(pv.get() == 0); |
898 | BOOST_TEST(pv.use_count() == 1); |
899 | BOOST_TEST(pv.unique()); |
900 | BOOST_TEST(p.get() == 0); |
901 | } |
902 | |
903 | { |
904 | std::auto_ptr<X> p; |
905 | boost::shared_ptr<X> px(p); |
906 | BOOST_TEST(px? false: true); |
907 | BOOST_TEST(!px); |
908 | BOOST_TEST(px.get() == 0); |
909 | BOOST_TEST(px.use_count() == 1); |
910 | BOOST_TEST(px.unique()); |
911 | BOOST_TEST(p.get() == 0); |
912 | } |
913 | |
914 | { |
915 | std::auto_ptr<X> p; |
916 | boost::shared_ptr<X const> px(p); |
917 | BOOST_TEST(px? false: true); |
918 | BOOST_TEST(!px); |
919 | BOOST_TEST(px.get() == 0); |
920 | BOOST_TEST(px.use_count() == 1); |
921 | BOOST_TEST(px.unique()); |
922 | BOOST_TEST(p.get() == 0); |
923 | } |
924 | |
925 | { |
926 | std::auto_ptr<Y> p; |
927 | boost::shared_ptr<X> px(p); |
928 | BOOST_TEST(px? false: true); |
929 | BOOST_TEST(!px); |
930 | BOOST_TEST(px.get() == 0); |
931 | BOOST_TEST(px.use_count() == 1); |
932 | BOOST_TEST(px.unique()); |
933 | BOOST_TEST(p.get() == 0); |
934 | } |
935 | |
936 | { |
937 | std::auto_ptr<Y> p; |
938 | boost::shared_ptr<X const> px(p); |
939 | BOOST_TEST(px? false: true); |
940 | BOOST_TEST(!px); |
941 | BOOST_TEST(px.get() == 0); |
942 | BOOST_TEST(px.use_count() == 1); |
943 | BOOST_TEST(px.unique()); |
944 | BOOST_TEST(p.get() == 0); |
945 | } |
946 | |
947 | { |
948 | std::auto_ptr<Y> p; |
949 | boost::shared_ptr<void> pv(p); |
950 | BOOST_TEST(pv? false: true); |
951 | BOOST_TEST(!pv); |
952 | BOOST_TEST(pv.get() == 0); |
953 | BOOST_TEST(pv.use_count() == 1); |
954 | BOOST_TEST(pv.unique()); |
955 | BOOST_TEST(p.get() == 0); |
956 | } |
957 | |
958 | { |
959 | std::auto_ptr<Y> p; |
960 | boost::shared_ptr<void const> pv(p); |
961 | BOOST_TEST(pv? false: true); |
962 | BOOST_TEST(!pv); |
963 | BOOST_TEST(pv.get() == 0); |
964 | BOOST_TEST(pv.use_count() == 1); |
965 | BOOST_TEST(pv.unique()); |
966 | BOOST_TEST(p.get() == 0); |
967 | } |
968 | |
969 | { |
970 | std::auto_ptr<int> p(new int(7)); |
971 | int * q = p.get(); |
972 | boost::shared_ptr<int> pi(p); |
973 | BOOST_TEST(pi? true: false); |
974 | BOOST_TEST(!!pi); |
975 | BOOST_TEST(pi.get() == q); |
976 | BOOST_TEST(pi.use_count() == 1); |
977 | BOOST_TEST(pi.unique()); |
978 | BOOST_TEST(*pi == 7); |
979 | |
980 | #if !defined(BOOST_OLD_AUTO_PTR) |
981 | BOOST_TEST(p.get() == 0); |
982 | #endif |
983 | } |
984 | |
985 | { |
986 | std::auto_ptr<int> p(new int(7)); |
987 | int * q = p.get(); |
988 | boost::shared_ptr<int const> pi(p); |
989 | BOOST_TEST(pi? true: false); |
990 | BOOST_TEST(!!pi); |
991 | BOOST_TEST(pi.get() == q); |
992 | BOOST_TEST(pi.use_count() == 1); |
993 | BOOST_TEST(pi.unique()); |
994 | BOOST_TEST(*pi == 7); |
995 | |
996 | #if !defined(BOOST_OLD_AUTO_PTR) |
997 | BOOST_TEST(p.get() == 0); |
998 | #endif |
999 | } |
1000 | |
1001 | { |
1002 | std::auto_ptr<int> p(new int(7)); |
1003 | int * q = p.get(); |
1004 | boost::shared_ptr<void> pv(p); |
1005 | BOOST_TEST(pv? true: false); |
1006 | BOOST_TEST(!!pv); |
1007 | BOOST_TEST(pv.get() == q); |
1008 | BOOST_TEST(pv.use_count() == 1); |
1009 | BOOST_TEST(pv.unique()); |
1010 | |
1011 | #if !defined(BOOST_OLD_AUTO_PTR) |
1012 | BOOST_TEST(p.get() == 0); |
1013 | #endif |
1014 | } |
1015 | |
1016 | { |
1017 | std::auto_ptr<int> p(new int(7)); |
1018 | int * q = p.get(); |
1019 | boost::shared_ptr<void const> pv(p); |
1020 | BOOST_TEST(pv? true: false); |
1021 | BOOST_TEST(!!pv); |
1022 | BOOST_TEST(pv.get() == q); |
1023 | BOOST_TEST(pv.use_count() == 1); |
1024 | BOOST_TEST(pv.unique()); |
1025 | |
1026 | #if !defined(BOOST_OLD_AUTO_PTR) |
1027 | BOOST_TEST(p.get() == 0); |
1028 | #endif |
1029 | } |
1030 | |
1031 | BOOST_TEST(X::instances == 0); |
1032 | |
1033 | { |
1034 | std::auto_ptr<X> p(new X); |
1035 | X * q = p.get(); |
1036 | boost::shared_ptr<X> px(p); |
1037 | BOOST_TEST(px? true: false); |
1038 | BOOST_TEST(!!px); |
1039 | BOOST_TEST(px.get() == q); |
1040 | BOOST_TEST(px.use_count() == 1); |
1041 | BOOST_TEST(px.unique()); |
1042 | BOOST_TEST(X::instances == 1); |
1043 | |
1044 | #if !defined(BOOST_OLD_AUTO_PTR) |
1045 | BOOST_TEST(p.get() == 0); |
1046 | #endif |
1047 | } |
1048 | |
1049 | BOOST_TEST(X::instances == 0); |
1050 | |
1051 | { |
1052 | std::auto_ptr<X> p(new X); |
1053 | X * q = p.get(); |
1054 | boost::shared_ptr<X const> px(p); |
1055 | BOOST_TEST(px? true: false); |
1056 | BOOST_TEST(!!px); |
1057 | BOOST_TEST(px.get() == q); |
1058 | BOOST_TEST(px.use_count() == 1); |
1059 | BOOST_TEST(px.unique()); |
1060 | BOOST_TEST(X::instances == 1); |
1061 | |
1062 | #if !defined(BOOST_OLD_AUTO_PTR) |
1063 | BOOST_TEST(p.get() == 0); |
1064 | #endif |
1065 | } |
1066 | |
1067 | BOOST_TEST(X::instances == 0); |
1068 | |
1069 | { |
1070 | std::auto_ptr<X> p(new X); |
1071 | X * q = p.get(); |
1072 | boost::shared_ptr<void> pv(p); |
1073 | BOOST_TEST(pv? true: false); |
1074 | BOOST_TEST(!!pv); |
1075 | BOOST_TEST(pv.get() == q); |
1076 | BOOST_TEST(pv.use_count() == 1); |
1077 | BOOST_TEST(pv.unique()); |
1078 | BOOST_TEST(X::instances == 1); |
1079 | |
1080 | #if !defined(BOOST_OLD_AUTO_PTR) |
1081 | BOOST_TEST(p.get() == 0); |
1082 | #endif |
1083 | } |
1084 | |
1085 | BOOST_TEST(X::instances == 0); |
1086 | |
1087 | { |
1088 | std::auto_ptr<X> p(new X); |
1089 | X * q = p.get(); |
1090 | boost::shared_ptr<void const> pv(p); |
1091 | BOOST_TEST(pv? true: false); |
1092 | BOOST_TEST(!!pv); |
1093 | BOOST_TEST(pv.get() == q); |
1094 | BOOST_TEST(pv.use_count() == 1); |
1095 | BOOST_TEST(pv.unique()); |
1096 | BOOST_TEST(X::instances == 1); |
1097 | |
1098 | #if !defined(BOOST_OLD_AUTO_PTR) |
1099 | BOOST_TEST(p.get() == 0); |
1100 | #endif |
1101 | } |
1102 | |
1103 | BOOST_TEST(X::instances == 0); |
1104 | BOOST_TEST(Y::instances == 0); |
1105 | |
1106 | { |
1107 | std::auto_ptr<Y> p(new Y); |
1108 | Y * q = p.get(); |
1109 | boost::shared_ptr<X> px(p); |
1110 | BOOST_TEST(px? true: false); |
1111 | BOOST_TEST(!!px); |
1112 | BOOST_TEST(px.get() == q); |
1113 | BOOST_TEST(px.use_count() == 1); |
1114 | BOOST_TEST(px.unique()); |
1115 | BOOST_TEST(X::instances == 1); |
1116 | BOOST_TEST(Y::instances == 1); |
1117 | |
1118 | #if !defined(BOOST_OLD_AUTO_PTR) |
1119 | BOOST_TEST(p.get() == 0); |
1120 | #endif |
1121 | } |
1122 | |
1123 | BOOST_TEST(X::instances == 0); |
1124 | BOOST_TEST(Y::instances == 0); |
1125 | |
1126 | { |
1127 | std::auto_ptr<Y> p(new Y); |
1128 | Y * q = p.get(); |
1129 | boost::shared_ptr<X const> px(p); |
1130 | BOOST_TEST(px? true: false); |
1131 | BOOST_TEST(!!px); |
1132 | BOOST_TEST(px.get() == q); |
1133 | BOOST_TEST(px.use_count() == 1); |
1134 | BOOST_TEST(px.unique()); |
1135 | BOOST_TEST(X::instances == 1); |
1136 | BOOST_TEST(Y::instances == 1); |
1137 | |
1138 | #if !defined(BOOST_OLD_AUTO_PTR) |
1139 | BOOST_TEST(p.get() == 0); |
1140 | #endif |
1141 | } |
1142 | |
1143 | BOOST_TEST(X::instances == 0); |
1144 | BOOST_TEST(Y::instances == 0); |
1145 | |
1146 | #endif // #if !defined( BOOST_NO_AUTO_PTR ) |
1147 | } |
1148 | |
1149 | void test() |
1150 | { |
1151 | default_constructor(); |
1152 | pointer_constructor(); |
1153 | deleter_constructor(); |
1154 | copy_constructor(); |
1155 | weak_ptr_constructor(); |
1156 | auto_ptr_constructor(); |
1157 | } |
1158 | |
1159 | } // namespace n_constructors |
1160 | |
1161 | namespace n_assignment |
1162 | { |
1163 | |
1164 | class incomplete; |
1165 | |
1166 | struct A |
1167 | { |
1168 | int dummy; |
1169 | }; |
1170 | |
1171 | struct X |
1172 | { |
1173 | static long instances; |
1174 | |
1175 | X() |
1176 | { |
1177 | ++instances; |
1178 | } |
1179 | |
1180 | ~X() |
1181 | { |
1182 | --instances; |
1183 | } |
1184 | |
1185 | private: |
1186 | |
1187 | X(X const &); |
1188 | X & operator= (X const &); |
1189 | }; |
1190 | |
1191 | long X::instances = 0; |
1192 | |
1193 | struct Y: public A, public virtual X |
1194 | { |
1195 | static long instances; |
1196 | |
1197 | Y() |
1198 | { |
1199 | ++instances; |
1200 | } |
1201 | |
1202 | ~Y() |
1203 | { |
1204 | --instances; |
1205 | } |
1206 | |
1207 | private: |
1208 | |
1209 | Y(Y const &); |
1210 | Y & operator= (Y const &); |
1211 | }; |
1212 | |
1213 | long Y::instances = 0; |
1214 | |
1215 | void copy_assignment() |
1216 | { |
1217 | { |
1218 | boost::shared_ptr<incomplete> p1; |
1219 | |
1220 | p1 = p1; |
1221 | |
1222 | BOOST_TEST(p1 == p1); |
1223 | BOOST_TEST(p1? false: true); |
1224 | BOOST_TEST(!p1); |
1225 | BOOST_TEST(p1.get() == 0); |
1226 | |
1227 | boost::shared_ptr<incomplete> p2; |
1228 | |
1229 | p1 = p2; |
1230 | |
1231 | BOOST_TEST(p1 == p2); |
1232 | BOOST_TEST(p1? false: true); |
1233 | BOOST_TEST(!p1); |
1234 | BOOST_TEST(p1.get() == 0); |
1235 | |
1236 | boost::shared_ptr<incomplete> p3(p1); |
1237 | |
1238 | p1 = p3; |
1239 | |
1240 | BOOST_TEST(p1 == p3); |
1241 | BOOST_TEST(p1? false: true); |
1242 | BOOST_TEST(!p1); |
1243 | BOOST_TEST(p1.get() == 0); |
1244 | } |
1245 | |
1246 | { |
1247 | boost::shared_ptr<void> p1; |
1248 | |
1249 | p1 = p1; |
1250 | |
1251 | BOOST_TEST(p1 == p1); |
1252 | BOOST_TEST(p1? false: true); |
1253 | BOOST_TEST(!p1); |
1254 | BOOST_TEST(p1.get() == 0); |
1255 | |
1256 | boost::shared_ptr<void> p2; |
1257 | |
1258 | p1 = p2; |
1259 | |
1260 | BOOST_TEST(p1 == p2); |
1261 | BOOST_TEST(p1? false: true); |
1262 | BOOST_TEST(!p1); |
1263 | BOOST_TEST(p1.get() == 0); |
1264 | |
1265 | boost::shared_ptr<void> p3(p1); |
1266 | |
1267 | p1 = p3; |
1268 | |
1269 | BOOST_TEST(p1 == p3); |
1270 | BOOST_TEST(p1? false: true); |
1271 | BOOST_TEST(!p1); |
1272 | BOOST_TEST(p1.get() == 0); |
1273 | |
1274 | boost::shared_ptr<void> p4(new int); |
1275 | BOOST_TEST(p4.use_count() == 1); |
1276 | |
1277 | p1 = p4; |
1278 | |
1279 | BOOST_TEST(p1 == p4); |
1280 | BOOST_TEST(!(p1 < p4 || p4 < p1)); |
1281 | BOOST_TEST(p1.use_count() == 2); |
1282 | BOOST_TEST(p4.use_count() == 2); |
1283 | |
1284 | p1 = p3; |
1285 | |
1286 | BOOST_TEST(p1 == p3); |
1287 | BOOST_TEST(p4.use_count() == 1); |
1288 | } |
1289 | |
1290 | { |
1291 | boost::shared_ptr<X> p1; |
1292 | |
1293 | p1 = p1; |
1294 | |
1295 | BOOST_TEST(p1 == p1); |
1296 | BOOST_TEST(p1? false: true); |
1297 | BOOST_TEST(!p1); |
1298 | BOOST_TEST(p1.get() == 0); |
1299 | |
1300 | boost::shared_ptr<X> p2; |
1301 | |
1302 | p1 = p2; |
1303 | |
1304 | BOOST_TEST(p1 == p2); |
1305 | BOOST_TEST(p1? false: true); |
1306 | BOOST_TEST(!p1); |
1307 | BOOST_TEST(p1.get() == 0); |
1308 | |
1309 | boost::shared_ptr<X> p3(p1); |
1310 | |
1311 | p1 = p3; |
1312 | |
1313 | BOOST_TEST(p1 == p3); |
1314 | BOOST_TEST(p1? false: true); |
1315 | BOOST_TEST(!p1); |
1316 | BOOST_TEST(p1.get() == 0); |
1317 | |
1318 | BOOST_TEST(X::instances == 0); |
1319 | |
1320 | boost::shared_ptr<X> p4(new X); |
1321 | |
1322 | BOOST_TEST(X::instances == 1); |
1323 | |
1324 | p1 = p4; |
1325 | |
1326 | BOOST_TEST(X::instances == 1); |
1327 | |
1328 | BOOST_TEST(p1 == p4); |
1329 | BOOST_TEST(!(p1 < p4 || p4 < p1)); |
1330 | |
1331 | BOOST_TEST(p1.use_count() == 2); |
1332 | |
1333 | p1 = p2; |
1334 | |
1335 | BOOST_TEST(p1 == p2); |
1336 | BOOST_TEST(X::instances == 1); |
1337 | |
1338 | p4 = p3; |
1339 | |
1340 | BOOST_TEST(p4 == p3); |
1341 | BOOST_TEST(X::instances == 0); |
1342 | } |
1343 | } |
1344 | |
1345 | void conversion_assignment() |
1346 | { |
1347 | { |
1348 | boost::shared_ptr<void> p1; |
1349 | |
1350 | boost::shared_ptr<incomplete> p2; |
1351 | |
1352 | p1 = p2; |
1353 | |
1354 | BOOST_TEST(p1 == p2); |
1355 | BOOST_TEST(p1? false: true); |
1356 | BOOST_TEST(!p1); |
1357 | BOOST_TEST(p1.get() == 0); |
1358 | |
1359 | boost::shared_ptr<int> p4(new int); |
1360 | BOOST_TEST(p4.use_count() == 1); |
1361 | |
1362 | boost::shared_ptr<void> p5(p4); |
1363 | BOOST_TEST(p4.use_count() == 2); |
1364 | |
1365 | p1 = p4; |
1366 | |
1367 | BOOST_TEST(p1 == p4); |
1368 | BOOST_TEST(!(p1 < p5 || p5 < p1)); |
1369 | BOOST_TEST(p1.use_count() == 3); |
1370 | BOOST_TEST(p4.use_count() == 3); |
1371 | |
1372 | p1 = p2; |
1373 | |
1374 | BOOST_TEST(p1 == p2); |
1375 | BOOST_TEST(p4.use_count() == 2); |
1376 | } |
1377 | |
1378 | { |
1379 | boost::shared_ptr<X> p1; |
1380 | |
1381 | boost::shared_ptr<Y> p2; |
1382 | |
1383 | p1 = p2; |
1384 | |
1385 | BOOST_TEST(p1 == p2); |
1386 | BOOST_TEST(p1? false: true); |
1387 | BOOST_TEST(!p1); |
1388 | BOOST_TEST(p1.get() == 0); |
1389 | |
1390 | BOOST_TEST(X::instances == 0); |
1391 | BOOST_TEST(Y::instances == 0); |
1392 | |
1393 | boost::shared_ptr<Y> p4(new Y); |
1394 | |
1395 | BOOST_TEST(X::instances == 1); |
1396 | BOOST_TEST(Y::instances == 1); |
1397 | BOOST_TEST(p4.use_count() == 1); |
1398 | |
1399 | boost::shared_ptr<X> p5(p4); |
1400 | BOOST_TEST(p4.use_count() == 2); |
1401 | |
1402 | p1 = p4; |
1403 | |
1404 | BOOST_TEST(X::instances == 1); |
1405 | BOOST_TEST(Y::instances == 1); |
1406 | |
1407 | BOOST_TEST(p1 == p4); |
1408 | BOOST_TEST(!(p1 < p5 || p5 < p1)); |
1409 | |
1410 | BOOST_TEST(p1.use_count() == 3); |
1411 | BOOST_TEST(p4.use_count() == 3); |
1412 | |
1413 | p1 = p2; |
1414 | |
1415 | BOOST_TEST(p1 == p2); |
1416 | BOOST_TEST(X::instances == 1); |
1417 | BOOST_TEST(Y::instances == 1); |
1418 | BOOST_TEST(p4.use_count() == 2); |
1419 | |
1420 | p4 = p2; |
1421 | p5 = p2; |
1422 | |
1423 | BOOST_TEST(p4 == p2); |
1424 | BOOST_TEST(X::instances == 0); |
1425 | BOOST_TEST(Y::instances == 0); |
1426 | } |
1427 | } |
1428 | |
1429 | void auto_ptr_assignment() |
1430 | { |
1431 | #if !defined( BOOST_NO_AUTO_PTR ) |
1432 | |
1433 | { |
1434 | boost::shared_ptr<int> p1; |
1435 | |
1436 | std::auto_ptr<int> p2; |
1437 | |
1438 | p1 = p2; |
1439 | BOOST_TEST(p1? false: true); |
1440 | BOOST_TEST(!p1); |
1441 | BOOST_TEST(p1.get() == 0); |
1442 | BOOST_TEST(p1.use_count() == 1); |
1443 | |
1444 | int * p = new int; |
1445 | std::auto_ptr<int> p3(p); |
1446 | |
1447 | p1 = p3; |
1448 | BOOST_TEST(p1.get() == p); |
1449 | BOOST_TEST(p1.use_count() == 1); |
1450 | |
1451 | #if !defined(BOOST_OLD_AUTO_PTR) |
1452 | BOOST_TEST(p3.get() == 0); |
1453 | #endif |
1454 | |
1455 | p1 = p2; |
1456 | BOOST_TEST(p1? false: true); |
1457 | BOOST_TEST(!p1); |
1458 | BOOST_TEST(p1.get() == 0); |
1459 | BOOST_TEST(p1.use_count() == 1); |
1460 | } |
1461 | |
1462 | { |
1463 | boost::shared_ptr<void> p1; |
1464 | |
1465 | std::auto_ptr<int> p2; |
1466 | |
1467 | p1 = p2; |
1468 | BOOST_TEST(p1? false: true); |
1469 | BOOST_TEST(!p1); |
1470 | BOOST_TEST(p1.get() == 0); |
1471 | BOOST_TEST(p1.use_count() == 1); |
1472 | |
1473 | int * p = new int; |
1474 | std::auto_ptr<int> p3(p); |
1475 | |
1476 | p1 = p3; |
1477 | BOOST_TEST(p1.get() == p); |
1478 | BOOST_TEST(p1.use_count() == 1); |
1479 | |
1480 | #if !defined(BOOST_OLD_AUTO_PTR) |
1481 | BOOST_TEST(p3.get() == 0); |
1482 | #endif |
1483 | |
1484 | p1 = p2; |
1485 | BOOST_TEST(p1? false: true); |
1486 | BOOST_TEST(!p1); |
1487 | BOOST_TEST(p1.get() == 0); |
1488 | BOOST_TEST(p1.use_count() == 1); |
1489 | } |
1490 | |
1491 | |
1492 | { |
1493 | boost::shared_ptr<X> p1; |
1494 | |
1495 | std::auto_ptr<Y> p2; |
1496 | |
1497 | p1 = p2; |
1498 | BOOST_TEST(p1? false: true); |
1499 | BOOST_TEST(!p1); |
1500 | BOOST_TEST(p1.get() == 0); |
1501 | BOOST_TEST(p1.use_count() == 1); |
1502 | BOOST_TEST(X::instances == 0); |
1503 | BOOST_TEST(Y::instances == 0); |
1504 | |
1505 | Y * p = new Y; |
1506 | std::auto_ptr<Y> p3(p); |
1507 | |
1508 | BOOST_TEST(X::instances == 1); |
1509 | BOOST_TEST(Y::instances == 1); |
1510 | |
1511 | p1 = p3; |
1512 | BOOST_TEST(p1.get() == p); |
1513 | BOOST_TEST(p1.use_count() == 1); |
1514 | BOOST_TEST(X::instances == 1); |
1515 | BOOST_TEST(Y::instances == 1); |
1516 | |
1517 | #if !defined(BOOST_OLD_AUTO_PTR) |
1518 | BOOST_TEST(p3.get() == 0); |
1519 | #endif |
1520 | |
1521 | p1 = p2; |
1522 | BOOST_TEST(p1? false: true); |
1523 | BOOST_TEST(!p1); |
1524 | BOOST_TEST(p1.get() == 0); |
1525 | BOOST_TEST(p1.use_count() == 1); |
1526 | BOOST_TEST(X::instances == 0); |
1527 | BOOST_TEST(Y::instances == 0); |
1528 | } |
1529 | |
1530 | #endif // #if !defined( BOOST_NO_AUTO_PTR ) |
1531 | } |
1532 | |
1533 | void test() |
1534 | { |
1535 | copy_assignment(); |
1536 | conversion_assignment(); |
1537 | auto_ptr_assignment(); |
1538 | } |
1539 | |
1540 | } // namespace n_assignment |
1541 | |
1542 | namespace n_reset |
1543 | { |
1544 | |
1545 | class incomplete; |
1546 | |
1547 | incomplete * p0 = 0; |
1548 | |
1549 | void deleter(incomplete *) |
1550 | { |
1551 | } |
1552 | |
1553 | struct X |
1554 | { |
1555 | static long instances; |
1556 | |
1557 | X() |
1558 | { |
1559 | ++instances; |
1560 | } |
1561 | |
1562 | ~X() |
1563 | { |
1564 | --instances; |
1565 | } |
1566 | |
1567 | private: |
1568 | |
1569 | X(X const &); |
1570 | X & operator= (X const &); |
1571 | }; |
1572 | |
1573 | long X::instances = 0; |
1574 | |
1575 | void plain_reset() |
1576 | { |
1577 | { |
1578 | boost::shared_ptr<int> pi; |
1579 | pi.reset(); |
1580 | BOOST_TEST(pi? false: true); |
1581 | BOOST_TEST(!pi); |
1582 | BOOST_TEST(pi.get() == 0); |
1583 | BOOST_TEST(pi.use_count() == 0); |
1584 | } |
1585 | |
1586 | { |
1587 | boost::shared_ptr<int> pi(static_cast<int*>(0)); |
1588 | pi.reset(); |
1589 | BOOST_TEST(pi? false: true); |
1590 | BOOST_TEST(!pi); |
1591 | BOOST_TEST(pi.get() == 0); |
1592 | BOOST_TEST(pi.use_count() == 0); |
1593 | } |
1594 | |
1595 | { |
1596 | boost::shared_ptr<int> pi(new int); |
1597 | pi.reset(); |
1598 | BOOST_TEST(pi? false: true); |
1599 | BOOST_TEST(!pi); |
1600 | BOOST_TEST(pi.get() == 0); |
1601 | BOOST_TEST(pi.use_count() == 0); |
1602 | } |
1603 | |
1604 | { |
1605 | boost::shared_ptr<incomplete> px; |
1606 | px.reset(); |
1607 | BOOST_TEST(px? false: true); |
1608 | BOOST_TEST(!px); |
1609 | BOOST_TEST(px.get() == 0); |
1610 | BOOST_TEST(px.use_count() == 0); |
1611 | } |
1612 | |
1613 | { |
1614 | boost::shared_ptr<incomplete> px(p0, deleter); |
1615 | px.reset(); |
1616 | BOOST_TEST(px? false: true); |
1617 | BOOST_TEST(!px); |
1618 | BOOST_TEST(px.get() == 0); |
1619 | BOOST_TEST(px.use_count() == 0); |
1620 | } |
1621 | |
1622 | { |
1623 | boost::shared_ptr<X> px; |
1624 | px.reset(); |
1625 | BOOST_TEST(px? false: true); |
1626 | BOOST_TEST(!px); |
1627 | BOOST_TEST(px.get() == 0); |
1628 | BOOST_TEST(px.use_count() == 0); |
1629 | } |
1630 | |
1631 | { |
1632 | BOOST_TEST(X::instances == 0); |
1633 | boost::shared_ptr<X> px(new X); |
1634 | BOOST_TEST(X::instances == 1); |
1635 | px.reset(); |
1636 | BOOST_TEST(px? false: true); |
1637 | BOOST_TEST(!px); |
1638 | BOOST_TEST(px.get() == 0); |
1639 | BOOST_TEST(px.use_count() == 0); |
1640 | BOOST_TEST(X::instances == 0); |
1641 | } |
1642 | |
1643 | { |
1644 | boost::shared_ptr<void> pv; |
1645 | pv.reset(); |
1646 | BOOST_TEST(pv? false: true); |
1647 | BOOST_TEST(!pv); |
1648 | BOOST_TEST(pv.get() == 0); |
1649 | BOOST_TEST(pv.use_count() == 0); |
1650 | } |
1651 | |
1652 | { |
1653 | BOOST_TEST(X::instances == 0); |
1654 | boost::shared_ptr<void> pv(new X); |
1655 | BOOST_TEST(X::instances == 1); |
1656 | pv.reset(); |
1657 | BOOST_TEST(pv? false: true); |
1658 | BOOST_TEST(!pv); |
1659 | BOOST_TEST(pv.get() == 0); |
1660 | BOOST_TEST(pv.use_count() == 0); |
1661 | BOOST_TEST(X::instances == 0); |
1662 | } |
1663 | } |
1664 | |
1665 | struct A |
1666 | { |
1667 | int dummy; |
1668 | }; |
1669 | |
1670 | struct Y: public A, public virtual X |
1671 | { |
1672 | static long instances; |
1673 | |
1674 | Y() |
1675 | { |
1676 | ++instances; |
1677 | } |
1678 | |
1679 | ~Y() |
1680 | { |
1681 | --instances; |
1682 | } |
1683 | |
1684 | private: |
1685 | |
1686 | Y(Y const &); |
1687 | Y & operator= (Y const &); |
1688 | }; |
1689 | |
1690 | long Y::instances = 0; |
1691 | |
1692 | void pointer_reset() |
1693 | { |
1694 | { |
1695 | boost::shared_ptr<int> pi; |
1696 | |
1697 | pi.reset(p: static_cast<int*>(0)); |
1698 | BOOST_TEST(pi? false: true); |
1699 | BOOST_TEST(!pi); |
1700 | BOOST_TEST(pi.get() == 0); |
1701 | BOOST_TEST(pi.use_count() == 1); |
1702 | BOOST_TEST(pi.unique()); |
1703 | |
1704 | int * p = new int; |
1705 | pi.reset(p); |
1706 | BOOST_TEST(pi? true: false); |
1707 | BOOST_TEST(!!pi); |
1708 | BOOST_TEST(pi.get() == p); |
1709 | BOOST_TEST(pi.use_count() == 1); |
1710 | BOOST_TEST(pi.unique()); |
1711 | |
1712 | pi.reset(p: static_cast<int*>(0)); |
1713 | BOOST_TEST(pi? false: true); |
1714 | BOOST_TEST(!pi); |
1715 | BOOST_TEST(pi.get() == 0); |
1716 | BOOST_TEST(pi.use_count() == 1); |
1717 | BOOST_TEST(pi.unique()); |
1718 | } |
1719 | |
1720 | { |
1721 | boost::shared_ptr<X> px; |
1722 | |
1723 | px.reset(p: static_cast<X*>(0)); |
1724 | BOOST_TEST(px? false: true); |
1725 | BOOST_TEST(!px); |
1726 | BOOST_TEST(px.get() == 0); |
1727 | BOOST_TEST(px.use_count() == 1); |
1728 | BOOST_TEST(px.unique()); |
1729 | BOOST_TEST(X::instances == 0); |
1730 | |
1731 | X * p = new X; |
1732 | px.reset(p); |
1733 | BOOST_TEST(px? true: false); |
1734 | BOOST_TEST(!!px); |
1735 | BOOST_TEST(px.get() == p); |
1736 | BOOST_TEST(px.use_count() == 1); |
1737 | BOOST_TEST(px.unique()); |
1738 | BOOST_TEST(X::instances == 1); |
1739 | |
1740 | px.reset(p: static_cast<X*>(0)); |
1741 | BOOST_TEST(px? false: true); |
1742 | BOOST_TEST(!px); |
1743 | BOOST_TEST(px.get() == 0); |
1744 | BOOST_TEST(px.use_count() == 1); |
1745 | BOOST_TEST(px.unique()); |
1746 | BOOST_TEST(X::instances == 0); |
1747 | BOOST_TEST(Y::instances == 0); |
1748 | |
1749 | Y * q = new Y; |
1750 | px.reset(p: q); |
1751 | BOOST_TEST(px? true: false); |
1752 | BOOST_TEST(!!px); |
1753 | BOOST_TEST(px.get() == q); |
1754 | BOOST_TEST(px.use_count() == 1); |
1755 | BOOST_TEST(px.unique()); |
1756 | BOOST_TEST(X::instances == 1); |
1757 | BOOST_TEST(Y::instances == 1); |
1758 | |
1759 | px.reset(p: static_cast<Y*>(0)); |
1760 | BOOST_TEST(px? false: true); |
1761 | BOOST_TEST(!px); |
1762 | BOOST_TEST(px.get() == 0); |
1763 | BOOST_TEST(px.use_count() == 1); |
1764 | BOOST_TEST(px.unique()); |
1765 | BOOST_TEST(X::instances == 0); |
1766 | BOOST_TEST(Y::instances == 0); |
1767 | } |
1768 | |
1769 | { |
1770 | boost::shared_ptr<void> pv; |
1771 | |
1772 | pv.reset(p: static_cast<X*>(0)); |
1773 | BOOST_TEST(pv? false: true); |
1774 | BOOST_TEST(!pv); |
1775 | BOOST_TEST(pv.get() == 0); |
1776 | BOOST_TEST(pv.use_count() == 1); |
1777 | BOOST_TEST(pv.unique()); |
1778 | BOOST_TEST(X::instances == 0); |
1779 | |
1780 | X * p = new X; |
1781 | pv.reset(p); |
1782 | BOOST_TEST(pv? true: false); |
1783 | BOOST_TEST(!!pv); |
1784 | BOOST_TEST(pv.get() == p); |
1785 | BOOST_TEST(pv.use_count() == 1); |
1786 | BOOST_TEST(pv.unique()); |
1787 | BOOST_TEST(X::instances == 1); |
1788 | |
1789 | pv.reset(p: static_cast<X*>(0)); |
1790 | BOOST_TEST(pv? false: true); |
1791 | BOOST_TEST(!pv); |
1792 | BOOST_TEST(pv.get() == 0); |
1793 | BOOST_TEST(pv.use_count() == 1); |
1794 | BOOST_TEST(pv.unique()); |
1795 | BOOST_TEST(X::instances == 0); |
1796 | BOOST_TEST(Y::instances == 0); |
1797 | |
1798 | Y * q = new Y; |
1799 | pv.reset(p: q); |
1800 | BOOST_TEST(pv? true: false); |
1801 | BOOST_TEST(!!pv); |
1802 | BOOST_TEST(pv.get() == q); |
1803 | BOOST_TEST(pv.use_count() == 1); |
1804 | BOOST_TEST(pv.unique()); |
1805 | BOOST_TEST(X::instances == 1); |
1806 | BOOST_TEST(Y::instances == 1); |
1807 | |
1808 | pv.reset(p: static_cast<Y*>(0)); |
1809 | BOOST_TEST(pv? false: true); |
1810 | BOOST_TEST(!pv); |
1811 | BOOST_TEST(pv.get() == 0); |
1812 | BOOST_TEST(pv.use_count() == 1); |
1813 | BOOST_TEST(pv.unique()); |
1814 | BOOST_TEST(X::instances == 0); |
1815 | BOOST_TEST(Y::instances == 0); |
1816 | } |
1817 | } |
1818 | |
1819 | void * deleted = 0; |
1820 | |
1821 | void deleter2(void * p) |
1822 | { |
1823 | deleted = p; |
1824 | } |
1825 | |
1826 | void deleter_reset() |
1827 | { |
1828 | { |
1829 | boost::shared_ptr<int> pi; |
1830 | |
1831 | pi.reset(p: static_cast<int*>(0), d: deleter2); |
1832 | BOOST_TEST(pi? false: true); |
1833 | BOOST_TEST(!pi); |
1834 | BOOST_TEST(pi.get() == 0); |
1835 | BOOST_TEST(pi.use_count() == 1); |
1836 | BOOST_TEST(pi.unique()); |
1837 | |
1838 | deleted = π |
1839 | |
1840 | int m = 0; |
1841 | pi.reset(p: &m, d: deleter2); |
1842 | BOOST_TEST(deleted == 0); |
1843 | BOOST_TEST(pi? true: false); |
1844 | BOOST_TEST(!!pi); |
1845 | BOOST_TEST(pi.get() == &m); |
1846 | BOOST_TEST(pi.use_count() == 1); |
1847 | BOOST_TEST(pi.unique()); |
1848 | |
1849 | pi.reset(p: static_cast<int*>(0), d: deleter2); |
1850 | BOOST_TEST(deleted == &m); |
1851 | BOOST_TEST(pi? false: true); |
1852 | BOOST_TEST(!pi); |
1853 | BOOST_TEST(pi.get() == 0); |
1854 | BOOST_TEST(pi.use_count() == 1); |
1855 | BOOST_TEST(pi.unique()); |
1856 | |
1857 | pi.reset(); |
1858 | BOOST_TEST(deleted == 0); |
1859 | } |
1860 | |
1861 | { |
1862 | boost::shared_ptr<X> px; |
1863 | |
1864 | px.reset(p: static_cast<X*>(0), d: deleter2); |
1865 | BOOST_TEST(px? false: true); |
1866 | BOOST_TEST(!px); |
1867 | BOOST_TEST(px.get() == 0); |
1868 | BOOST_TEST(px.use_count() == 1); |
1869 | BOOST_TEST(px.unique()); |
1870 | |
1871 | deleted = &px; |
1872 | |
1873 | X x; |
1874 | px.reset(p: &x, d: deleter2); |
1875 | BOOST_TEST(deleted == 0); |
1876 | BOOST_TEST(px? true: false); |
1877 | BOOST_TEST(!!px); |
1878 | BOOST_TEST(px.get() == &x); |
1879 | BOOST_TEST(px.use_count() == 1); |
1880 | BOOST_TEST(px.unique()); |
1881 | |
1882 | px.reset(p: static_cast<X*>(0), d: deleter2); |
1883 | BOOST_TEST(deleted == &x); |
1884 | BOOST_TEST(px? false: true); |
1885 | BOOST_TEST(!px); |
1886 | BOOST_TEST(px.get() == 0); |
1887 | BOOST_TEST(px.use_count() == 1); |
1888 | BOOST_TEST(px.unique()); |
1889 | |
1890 | Y y; |
1891 | px.reset(p: &y, d: deleter2); |
1892 | BOOST_TEST(deleted == 0); |
1893 | BOOST_TEST(px? true: false); |
1894 | BOOST_TEST(!!px); |
1895 | BOOST_TEST(px.get() == &y); |
1896 | BOOST_TEST(px.use_count() == 1); |
1897 | BOOST_TEST(px.unique()); |
1898 | |
1899 | px.reset(p: static_cast<Y*>(0), d: deleter2); |
1900 | BOOST_TEST(deleted == &y); |
1901 | BOOST_TEST(px? false: true); |
1902 | BOOST_TEST(!px); |
1903 | BOOST_TEST(px.get() == 0); |
1904 | BOOST_TEST(px.use_count() == 1); |
1905 | BOOST_TEST(px.unique()); |
1906 | |
1907 | px.reset(); |
1908 | BOOST_TEST(deleted == 0); |
1909 | } |
1910 | |
1911 | { |
1912 | boost::shared_ptr<void> pv; |
1913 | |
1914 | pv.reset(p: static_cast<X*>(0), d: deleter2); |
1915 | BOOST_TEST(pv? false: true); |
1916 | BOOST_TEST(!pv); |
1917 | BOOST_TEST(pv.get() == 0); |
1918 | BOOST_TEST(pv.use_count() == 1); |
1919 | BOOST_TEST(pv.unique()); |
1920 | |
1921 | deleted = &pv; |
1922 | |
1923 | X x; |
1924 | pv.reset(p: &x, d: deleter2); |
1925 | BOOST_TEST(deleted == 0); |
1926 | BOOST_TEST(pv? true: false); |
1927 | BOOST_TEST(!!pv); |
1928 | BOOST_TEST(pv.get() == &x); |
1929 | BOOST_TEST(pv.use_count() == 1); |
1930 | BOOST_TEST(pv.unique()); |
1931 | |
1932 | pv.reset(p: static_cast<X*>(0), d: deleter2); |
1933 | BOOST_TEST(deleted == &x); |
1934 | BOOST_TEST(pv? false: true); |
1935 | BOOST_TEST(!pv); |
1936 | BOOST_TEST(pv.get() == 0); |
1937 | BOOST_TEST(pv.use_count() == 1); |
1938 | BOOST_TEST(pv.unique()); |
1939 | |
1940 | Y y; |
1941 | pv.reset(p: &y, d: deleter2); |
1942 | BOOST_TEST(deleted == 0); |
1943 | BOOST_TEST(pv? true: false); |
1944 | BOOST_TEST(!!pv); |
1945 | BOOST_TEST(pv.get() == &y); |
1946 | BOOST_TEST(pv.use_count() == 1); |
1947 | BOOST_TEST(pv.unique()); |
1948 | |
1949 | pv.reset(p: static_cast<Y*>(0), d: deleter2); |
1950 | BOOST_TEST(deleted == &y); |
1951 | BOOST_TEST(pv? false: true); |
1952 | BOOST_TEST(!pv); |
1953 | BOOST_TEST(pv.get() == 0); |
1954 | BOOST_TEST(pv.use_count() == 1); |
1955 | BOOST_TEST(pv.unique()); |
1956 | |
1957 | pv.reset(); |
1958 | BOOST_TEST(deleted == 0); |
1959 | } |
1960 | |
1961 | { |
1962 | boost::shared_ptr<incomplete> px; |
1963 | |
1964 | px.reset(p: p0, d: deleter2); |
1965 | BOOST_TEST(px? false: true); |
1966 | BOOST_TEST(!px); |
1967 | BOOST_TEST(px.get() == 0); |
1968 | BOOST_TEST(px.use_count() == 1); |
1969 | BOOST_TEST(px.unique()); |
1970 | |
1971 | deleted = &px; |
1972 | px.reset(p: p0, d: deleter2); |
1973 | BOOST_TEST(deleted == 0); |
1974 | } |
1975 | } |
1976 | |
1977 | void test() |
1978 | { |
1979 | plain_reset(); |
1980 | pointer_reset(); |
1981 | deleter_reset(); |
1982 | } |
1983 | |
1984 | } // namespace n_reset |
1985 | |
1986 | namespace n_access |
1987 | { |
1988 | |
1989 | struct X |
1990 | { |
1991 | }; |
1992 | |
1993 | void test() |
1994 | { |
1995 | { |
1996 | boost::shared_ptr<X> px; |
1997 | BOOST_TEST(px.get() == 0); |
1998 | BOOST_TEST(px? false: true); |
1999 | BOOST_TEST(!px); |
2000 | |
2001 | #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) |
2002 | using boost::get_pointer; |
2003 | #endif |
2004 | |
2005 | BOOST_TEST(get_pointer(px) == px.get()); |
2006 | } |
2007 | |
2008 | { |
2009 | boost::shared_ptr<X> px(static_cast<X*>(0)); |
2010 | BOOST_TEST(px.get() == 0); |
2011 | BOOST_TEST(px? false: true); |
2012 | BOOST_TEST(!px); |
2013 | |
2014 | #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) |
2015 | using boost::get_pointer; |
2016 | #endif |
2017 | |
2018 | BOOST_TEST(get_pointer(px) == px.get()); |
2019 | } |
2020 | |
2021 | { |
2022 | boost::shared_ptr<X> px(static_cast<X*>(0), boost::checked_deleter<X>()); |
2023 | BOOST_TEST(px.get() == 0); |
2024 | BOOST_TEST(px? false: true); |
2025 | BOOST_TEST(!px); |
2026 | |
2027 | #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) |
2028 | using boost::get_pointer; |
2029 | #endif |
2030 | |
2031 | BOOST_TEST(get_pointer(px) == px.get()); |
2032 | } |
2033 | |
2034 | { |
2035 | X * p = new X; |
2036 | boost::shared_ptr<X> px(p); |
2037 | BOOST_TEST(px.get() == p); |
2038 | BOOST_TEST(px? true: false); |
2039 | BOOST_TEST(!!px); |
2040 | BOOST_TEST(&*px == px.get()); |
2041 | BOOST_TEST(px.operator ->() == px.get()); |
2042 | |
2043 | #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) |
2044 | using boost::get_pointer; |
2045 | #endif |
2046 | |
2047 | BOOST_TEST(get_pointer(px) == px.get()); |
2048 | } |
2049 | |
2050 | { |
2051 | X * p = new X; |
2052 | boost::shared_ptr<X> px(p, boost::checked_deleter<X>()); |
2053 | BOOST_TEST(px.get() == p); |
2054 | BOOST_TEST(px? true: false); |
2055 | BOOST_TEST(!!px); |
2056 | BOOST_TEST(&*px == px.get()); |
2057 | BOOST_TEST(px.operator ->() == px.get()); |
2058 | |
2059 | #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) |
2060 | using boost::get_pointer; |
2061 | #endif |
2062 | |
2063 | BOOST_TEST(get_pointer(px) == px.get()); |
2064 | } |
2065 | } |
2066 | |
2067 | } // namespace n_access |
2068 | |
2069 | namespace n_use_count |
2070 | { |
2071 | |
2072 | struct X |
2073 | { |
2074 | }; |
2075 | |
2076 | void test() |
2077 | { |
2078 | { |
2079 | boost::shared_ptr<X> px(static_cast<X*>(0)); |
2080 | BOOST_TEST(px.use_count() == 1); |
2081 | BOOST_TEST(px.unique()); |
2082 | |
2083 | boost::shared_ptr<X> px2(px); |
2084 | BOOST_TEST(px2.use_count() == 2); |
2085 | BOOST_TEST(!px2.unique()); |
2086 | BOOST_TEST(px.use_count() == 2); |
2087 | BOOST_TEST(!px.unique()); |
2088 | } |
2089 | |
2090 | { |
2091 | boost::shared_ptr<X> px(new X); |
2092 | BOOST_TEST(px.use_count() == 1); |
2093 | BOOST_TEST(px.unique()); |
2094 | |
2095 | boost::shared_ptr<X> px2(px); |
2096 | BOOST_TEST(px2.use_count() == 2); |
2097 | BOOST_TEST(!px2.unique()); |
2098 | BOOST_TEST(px.use_count() == 2); |
2099 | BOOST_TEST(!px.unique()); |
2100 | } |
2101 | |
2102 | { |
2103 | boost::shared_ptr<X> px(new X, boost::checked_deleter<X>()); |
2104 | BOOST_TEST(px.use_count() == 1); |
2105 | BOOST_TEST(px.unique()); |
2106 | |
2107 | boost::shared_ptr<X> px2(px); |
2108 | BOOST_TEST(px2.use_count() == 2); |
2109 | BOOST_TEST(!px2.unique()); |
2110 | BOOST_TEST(px.use_count() == 2); |
2111 | BOOST_TEST(!px.unique()); |
2112 | } |
2113 | } |
2114 | |
2115 | } // namespace n_use_count |
2116 | |
2117 | namespace n_swap |
2118 | { |
2119 | |
2120 | struct X |
2121 | { |
2122 | }; |
2123 | |
2124 | void test() |
2125 | { |
2126 | { |
2127 | boost::shared_ptr<X> px; |
2128 | boost::shared_ptr<X> px2; |
2129 | |
2130 | px.swap(other&: px2); |
2131 | |
2132 | BOOST_TEST(px.get() == 0); |
2133 | BOOST_TEST(px2.get() == 0); |
2134 | |
2135 | using std::swap; |
2136 | swap(a&: px, b&: px2); |
2137 | |
2138 | BOOST_TEST(px.get() == 0); |
2139 | BOOST_TEST(px2.get() == 0); |
2140 | } |
2141 | |
2142 | { |
2143 | X * p = new X; |
2144 | boost::shared_ptr<X> px; |
2145 | boost::shared_ptr<X> px2(p); |
2146 | boost::shared_ptr<X> px3(px2); |
2147 | |
2148 | px.swap(other&: px2); |
2149 | |
2150 | BOOST_TEST(px.get() == p); |
2151 | BOOST_TEST(px.use_count() == 2); |
2152 | BOOST_TEST(px2.get() == 0); |
2153 | BOOST_TEST(px3.get() == p); |
2154 | BOOST_TEST(px3.use_count() == 2); |
2155 | |
2156 | using std::swap; |
2157 | swap(a&: px, b&: px2); |
2158 | |
2159 | BOOST_TEST(px.get() == 0); |
2160 | BOOST_TEST(px2.get() == p); |
2161 | BOOST_TEST(px2.use_count() == 2); |
2162 | BOOST_TEST(px3.get() == p); |
2163 | BOOST_TEST(px3.use_count() == 2); |
2164 | } |
2165 | |
2166 | { |
2167 | X * p1 = new X; |
2168 | X * p2 = new X; |
2169 | boost::shared_ptr<X> px(p1); |
2170 | boost::shared_ptr<X> px2(p2); |
2171 | boost::shared_ptr<X> px3(px2); |
2172 | |
2173 | px.swap(other&: px2); |
2174 | |
2175 | BOOST_TEST(px.get() == p2); |
2176 | BOOST_TEST(px.use_count() == 2); |
2177 | BOOST_TEST(px2.get() == p1); |
2178 | BOOST_TEST(px2.use_count() == 1); |
2179 | BOOST_TEST(px3.get() == p2); |
2180 | BOOST_TEST(px3.use_count() == 2); |
2181 | |
2182 | using std::swap; |
2183 | swap(a&: px, b&: px2); |
2184 | |
2185 | BOOST_TEST(px.get() == p1); |
2186 | BOOST_TEST(px.use_count() == 1); |
2187 | BOOST_TEST(px2.get() == p2); |
2188 | BOOST_TEST(px2.use_count() == 2); |
2189 | BOOST_TEST(px3.get() == p2); |
2190 | BOOST_TEST(px3.use_count() == 2); |
2191 | } |
2192 | } |
2193 | |
2194 | } // namespace n_swap |
2195 | |
2196 | namespace n_comparison |
2197 | { |
2198 | |
2199 | struct X |
2200 | { |
2201 | int dummy; |
2202 | }; |
2203 | |
2204 | struct Y |
2205 | { |
2206 | int dummy2; |
2207 | }; |
2208 | |
2209 | struct Z: public X, public virtual Y |
2210 | { |
2211 | }; |
2212 | |
2213 | void test() |
2214 | { |
2215 | { |
2216 | boost::shared_ptr<X> px; |
2217 | BOOST_TEST(px == px); |
2218 | BOOST_TEST(!(px != px)); |
2219 | BOOST_TEST(!(px < px)); |
2220 | |
2221 | boost::shared_ptr<X> px2; |
2222 | |
2223 | BOOST_TEST(px.get() == px2.get()); |
2224 | BOOST_TEST(px == px2); |
2225 | BOOST_TEST(!(px != px2)); |
2226 | BOOST_TEST(!(px < px2 && px2 < px)); |
2227 | } |
2228 | |
2229 | { |
2230 | boost::shared_ptr<X> px; |
2231 | boost::shared_ptr<X> px2(px); |
2232 | |
2233 | BOOST_TEST(px2 == px2); |
2234 | BOOST_TEST(!(px2 != px2)); |
2235 | BOOST_TEST(!(px2 < px2)); |
2236 | |
2237 | BOOST_TEST(px.get() == px2.get()); |
2238 | BOOST_TEST(px == px2); |
2239 | BOOST_TEST(!(px != px2)); |
2240 | BOOST_TEST(!(px < px2 && px2 < px)); |
2241 | } |
2242 | |
2243 | { |
2244 | boost::shared_ptr<X> px; |
2245 | boost::shared_ptr<X> px2(new X); |
2246 | |
2247 | BOOST_TEST(px2 == px2); |
2248 | BOOST_TEST(!(px2 != px2)); |
2249 | BOOST_TEST(!(px2 < px2)); |
2250 | |
2251 | BOOST_TEST(px.get() != px2.get()); |
2252 | BOOST_TEST(px != px2); |
2253 | BOOST_TEST(!(px == px2)); |
2254 | BOOST_TEST(px < px2 || px2 < px); |
2255 | BOOST_TEST(!(px < px2 && px2 < px)); |
2256 | } |
2257 | |
2258 | { |
2259 | boost::shared_ptr<X> px(new X); |
2260 | boost::shared_ptr<X> px2(new X); |
2261 | |
2262 | BOOST_TEST(px.get() != px2.get()); |
2263 | BOOST_TEST(px != px2); |
2264 | BOOST_TEST(!(px == px2)); |
2265 | BOOST_TEST(px < px2 || px2 < px); |
2266 | BOOST_TEST(!(px < px2 && px2 < px)); |
2267 | } |
2268 | |
2269 | { |
2270 | boost::shared_ptr<X> px(new X); |
2271 | boost::shared_ptr<X> px2(px); |
2272 | |
2273 | BOOST_TEST(px2 == px2); |
2274 | BOOST_TEST(!(px2 != px2)); |
2275 | BOOST_TEST(!(px2 < px2)); |
2276 | |
2277 | BOOST_TEST(px.get() == px2.get()); |
2278 | BOOST_TEST(px == px2); |
2279 | BOOST_TEST(!(px != px2)); |
2280 | BOOST_TEST(!(px < px2 || px2 < px)); |
2281 | } |
2282 | |
2283 | { |
2284 | boost::shared_ptr<X> px(new X); |
2285 | boost::shared_ptr<Y> py(new Y); |
2286 | boost::shared_ptr<Z> pz(new Z); |
2287 | |
2288 | BOOST_TEST(px.get() != pz.get()); |
2289 | BOOST_TEST(px != pz); |
2290 | BOOST_TEST(!(px == pz)); |
2291 | |
2292 | BOOST_TEST(py.get() != pz.get()); |
2293 | BOOST_TEST(py != pz); |
2294 | BOOST_TEST(!(py == pz)); |
2295 | |
2296 | BOOST_TEST(px < py || py < px); |
2297 | BOOST_TEST(px < pz || pz < px); |
2298 | BOOST_TEST(py < pz || pz < py); |
2299 | |
2300 | BOOST_TEST(!(px < py && py < px)); |
2301 | BOOST_TEST(!(px < pz && pz < px)); |
2302 | BOOST_TEST(!(py < pz && pz < py)); |
2303 | |
2304 | boost::shared_ptr<void> pvx(px); |
2305 | |
2306 | BOOST_TEST(pvx == pvx); |
2307 | BOOST_TEST(!(pvx != pvx)); |
2308 | BOOST_TEST(!(pvx < pvx)); |
2309 | |
2310 | boost::shared_ptr<void> pvy(py); |
2311 | boost::shared_ptr<void> pvz(pz); |
2312 | |
2313 | BOOST_TEST(pvx < pvy || pvy < pvx); |
2314 | BOOST_TEST(pvx < pvz || pvz < pvx); |
2315 | BOOST_TEST(pvy < pvz || pvz < pvy); |
2316 | |
2317 | BOOST_TEST(!(pvx < pvy && pvy < pvx)); |
2318 | BOOST_TEST(!(pvx < pvz && pvz < pvx)); |
2319 | BOOST_TEST(!(pvy < pvz && pvz < pvy)); |
2320 | } |
2321 | |
2322 | { |
2323 | boost::shared_ptr<Z> pz(new Z); |
2324 | boost::shared_ptr<X> px(pz); |
2325 | |
2326 | BOOST_TEST(px == px); |
2327 | BOOST_TEST(!(px != px)); |
2328 | BOOST_TEST(!(px < px)); |
2329 | |
2330 | boost::shared_ptr<Y> py(pz); |
2331 | |
2332 | BOOST_TEST(px.get() == pz.get()); |
2333 | BOOST_TEST(px == pz); |
2334 | BOOST_TEST(!(px != pz)); |
2335 | |
2336 | BOOST_TEST(py.get() == pz.get()); |
2337 | BOOST_TEST(py == pz); |
2338 | BOOST_TEST(!(py != pz)); |
2339 | |
2340 | BOOST_TEST(!(px < py || py < px)); |
2341 | BOOST_TEST(!(px < pz || pz < px)); |
2342 | BOOST_TEST(!(py < pz || pz < py)); |
2343 | |
2344 | boost::shared_ptr<void> pvx(px); |
2345 | boost::shared_ptr<void> pvy(py); |
2346 | boost::shared_ptr<void> pvz(pz); |
2347 | |
2348 | // pvx and pvy aren't equal... |
2349 | BOOST_TEST(pvx.get() != pvy.get()); |
2350 | BOOST_TEST(pvx != pvy); |
2351 | BOOST_TEST(!(pvx == pvy)); |
2352 | |
2353 | // ... but they share ownership ... |
2354 | BOOST_TEST(!(pvx < pvy || pvy < pvx)); |
2355 | |
2356 | // ... with pvz |
2357 | BOOST_TEST(!(pvx < pvz || pvz < pvx)); |
2358 | BOOST_TEST(!(pvy < pvz || pvz < pvy)); |
2359 | } |
2360 | } |
2361 | |
2362 | } // namespace n_comparison |
2363 | |
2364 | namespace n_static_cast |
2365 | { |
2366 | |
2367 | struct X |
2368 | { |
2369 | }; |
2370 | |
2371 | struct Y: public X |
2372 | { |
2373 | }; |
2374 | |
2375 | void test() |
2376 | { |
2377 | { |
2378 | boost::shared_ptr<void> pv; |
2379 | |
2380 | boost::shared_ptr<int> pi = boost::static_pointer_cast<int>(r: pv); |
2381 | BOOST_TEST(pi.get() == 0); |
2382 | |
2383 | boost::shared_ptr<X> px = boost::static_pointer_cast<X>(r: pv); |
2384 | BOOST_TEST(px.get() == 0); |
2385 | } |
2386 | |
2387 | { |
2388 | boost::shared_ptr<int> pi(new int); |
2389 | boost::shared_ptr<void> pv(pi); |
2390 | |
2391 | boost::shared_ptr<int> pi2 = boost::static_pointer_cast<int>(r: pv); |
2392 | BOOST_TEST(pi.get() == pi2.get()); |
2393 | BOOST_TEST(!(pi < pi2 || pi2 < pi)); |
2394 | BOOST_TEST(pi.use_count() == 3); |
2395 | BOOST_TEST(pv.use_count() == 3); |
2396 | BOOST_TEST(pi2.use_count() == 3); |
2397 | } |
2398 | |
2399 | { |
2400 | boost::shared_ptr<X> px(new X); |
2401 | boost::shared_ptr<void> pv(px); |
2402 | |
2403 | boost::shared_ptr<X> px2 = boost::static_pointer_cast<X>(r: pv); |
2404 | BOOST_TEST(px.get() == px2.get()); |
2405 | BOOST_TEST(!(px < px2 || px2 < px)); |
2406 | BOOST_TEST(px.use_count() == 3); |
2407 | BOOST_TEST(pv.use_count() == 3); |
2408 | BOOST_TEST(px2.use_count() == 3); |
2409 | } |
2410 | |
2411 | { |
2412 | boost::shared_ptr<X> px(new Y); |
2413 | |
2414 | boost::shared_ptr<Y> py = boost::static_pointer_cast<Y>(r: px); |
2415 | BOOST_TEST(px.get() == py.get()); |
2416 | BOOST_TEST(px.use_count() == 2); |
2417 | BOOST_TEST(py.use_count() == 2); |
2418 | |
2419 | boost::shared_ptr<X> px2(py); |
2420 | BOOST_TEST(!(px < px2 || px2 < px)); |
2421 | } |
2422 | } |
2423 | |
2424 | } // namespace n_static_cast |
2425 | |
2426 | namespace n_const_cast |
2427 | { |
2428 | |
2429 | struct X; |
2430 | |
2431 | void test() |
2432 | { |
2433 | { |
2434 | boost::shared_ptr<void const volatile> px; |
2435 | |
2436 | boost::shared_ptr<void> px2 = boost::const_pointer_cast<void>(r: px); |
2437 | BOOST_TEST(px2.get() == 0); |
2438 | } |
2439 | |
2440 | { |
2441 | boost::shared_ptr<int const volatile> px; |
2442 | |
2443 | boost::shared_ptr<int> px2 = boost::const_pointer_cast<int>(r: px); |
2444 | BOOST_TEST(px2.get() == 0); |
2445 | } |
2446 | |
2447 | { |
2448 | boost::shared_ptr<X const volatile> px; |
2449 | |
2450 | boost::shared_ptr<X> px2 = boost::const_pointer_cast<X>(r: px); |
2451 | BOOST_TEST(px2.get() == 0); |
2452 | } |
2453 | |
2454 | { |
2455 | boost::shared_ptr<void const volatile> px(new int); |
2456 | |
2457 | boost::shared_ptr<void> px2 = boost::const_pointer_cast<void>(r: px); |
2458 | BOOST_TEST(px.get() == px2.get()); |
2459 | BOOST_TEST(!(px < px2 || px2 < px)); |
2460 | BOOST_TEST(px.use_count() == 2); |
2461 | BOOST_TEST(px2.use_count() == 2); |
2462 | } |
2463 | |
2464 | { |
2465 | boost::shared_ptr<int const volatile> px(new int); |
2466 | |
2467 | boost::shared_ptr<int> px2 = boost::const_pointer_cast<int>(r: px); |
2468 | BOOST_TEST(px.get() == px2.get()); |
2469 | BOOST_TEST(!(px < px2 || px2 < px)); |
2470 | BOOST_TEST(px.use_count() == 2); |
2471 | BOOST_TEST(px2.use_count() == 2); |
2472 | } |
2473 | } |
2474 | |
2475 | } // namespace n_const_cast |
2476 | |
2477 | #if !defined( BOOST_NO_RTTI ) |
2478 | |
2479 | namespace n_dynamic_cast |
2480 | { |
2481 | |
2482 | struct V |
2483 | { |
2484 | virtual ~V() {} |
2485 | }; |
2486 | |
2487 | struct W: public V |
2488 | { |
2489 | }; |
2490 | |
2491 | void test() |
2492 | { |
2493 | { |
2494 | boost::shared_ptr<V> pv; |
2495 | boost::shared_ptr<W> pw = boost::dynamic_pointer_cast<W>(r: pv); |
2496 | BOOST_TEST(pw.get() == 0); |
2497 | } |
2498 | |
2499 | { |
2500 | boost::shared_ptr<V> pv(static_cast<V*>(0)); |
2501 | |
2502 | boost::shared_ptr<W> pw = boost::dynamic_pointer_cast<W>(r: pv); |
2503 | BOOST_TEST(pw.get() == 0); |
2504 | |
2505 | boost::shared_ptr<V> pv2(pw); |
2506 | BOOST_TEST(pv < pv2 || pv2 < pv); |
2507 | } |
2508 | |
2509 | { |
2510 | boost::shared_ptr<V> pv(static_cast<W*>(0)); |
2511 | |
2512 | boost::shared_ptr<W> pw = boost::dynamic_pointer_cast<W>(r: pv); |
2513 | BOOST_TEST(pw.get() == 0); |
2514 | |
2515 | boost::shared_ptr<V> pv2(pw); |
2516 | BOOST_TEST(pv < pv2 || pv2 < pv); |
2517 | } |
2518 | |
2519 | { |
2520 | boost::shared_ptr<V> pv(new V); |
2521 | |
2522 | boost::shared_ptr<W> pw = boost::dynamic_pointer_cast<W>(r: pv); |
2523 | BOOST_TEST(pw.get() == 0); |
2524 | |
2525 | boost::shared_ptr<V> pv2(pw); |
2526 | BOOST_TEST(pv < pv2 || pv2 < pv); |
2527 | } |
2528 | |
2529 | { |
2530 | boost::shared_ptr<V> pv(new W); |
2531 | |
2532 | boost::shared_ptr<W> pw = boost::dynamic_pointer_cast<W>(r: pv); |
2533 | BOOST_TEST(pw.get() == pv.get()); |
2534 | BOOST_TEST(pv.use_count() == 2); |
2535 | BOOST_TEST(pw.use_count() == 2); |
2536 | |
2537 | boost::shared_ptr<V> pv2(pw); |
2538 | BOOST_TEST(!(pv < pv2 || pv2 < pv)); |
2539 | } |
2540 | } |
2541 | |
2542 | } // namespace n_dynamic_cast |
2543 | |
2544 | #endif |
2545 | |
2546 | namespace n_map |
2547 | { |
2548 | |
2549 | struct X |
2550 | { |
2551 | }; |
2552 | |
2553 | void test() |
2554 | { |
2555 | std::vector< boost::shared_ptr<int> > vi; |
2556 | |
2557 | { |
2558 | boost::shared_ptr<int> pi1(new int); |
2559 | boost::shared_ptr<int> pi2(new int); |
2560 | boost::shared_ptr<int> pi3(new int); |
2561 | |
2562 | vi.push_back(x: pi1); |
2563 | vi.push_back(x: pi1); |
2564 | vi.push_back(x: pi1); |
2565 | vi.push_back(x: pi2); |
2566 | vi.push_back(x: pi1); |
2567 | vi.push_back(x: pi2); |
2568 | vi.push_back(x: pi1); |
2569 | vi.push_back(x: pi3); |
2570 | vi.push_back(x: pi3); |
2571 | vi.push_back(x: pi2); |
2572 | vi.push_back(x: pi1); |
2573 | } |
2574 | |
2575 | std::vector< boost::shared_ptr<X> > vx; |
2576 | |
2577 | { |
2578 | boost::shared_ptr<X> px1(new X); |
2579 | boost::shared_ptr<X> px2(new X); |
2580 | boost::shared_ptr<X> px3(new X); |
2581 | |
2582 | vx.push_back(x: px2); |
2583 | vx.push_back(x: px2); |
2584 | vx.push_back(x: px1); |
2585 | vx.push_back(x: px2); |
2586 | vx.push_back(x: px1); |
2587 | vx.push_back(x: px1); |
2588 | vx.push_back(x: px1); |
2589 | vx.push_back(x: px2); |
2590 | vx.push_back(x: px1); |
2591 | vx.push_back(x: px3); |
2592 | vx.push_back(x: px2); |
2593 | } |
2594 | |
2595 | std::map< boost::shared_ptr<void>, long > m; |
2596 | |
2597 | { |
2598 | for(std::vector< boost::shared_ptr<int> >::iterator i = vi.begin(); i != vi.end(); ++i) |
2599 | { |
2600 | ++m[*i]; |
2601 | } |
2602 | } |
2603 | |
2604 | { |
2605 | for(std::vector< boost::shared_ptr<X> >::iterator i = vx.begin(); i != vx.end(); ++i) |
2606 | { |
2607 | ++m[*i]; |
2608 | } |
2609 | } |
2610 | |
2611 | { |
2612 | for(std::map< boost::shared_ptr<void>, long >::iterator i = m.begin(); i != m.end(); ++i) |
2613 | { |
2614 | BOOST_TEST(i->first.use_count() == i->second + 1); |
2615 | } |
2616 | } |
2617 | } |
2618 | |
2619 | } // namespace n_map |
2620 | |
2621 | namespace n_transitive |
2622 | { |
2623 | |
2624 | struct X |
2625 | { |
2626 | X(): next() {} |
2627 | boost::shared_ptr<X> next; |
2628 | }; |
2629 | |
2630 | void test() |
2631 | { |
2632 | boost::shared_ptr<X> p(new X); |
2633 | p->next = boost::shared_ptr<X>(new X); |
2634 | BOOST_TEST(!p->next->next); |
2635 | p = p->next; |
2636 | BOOST_TEST(!p->next); |
2637 | } |
2638 | |
2639 | } // namespace n_transitive |
2640 | |
2641 | namespace n_report_1 |
2642 | { |
2643 | |
2644 | class foo |
2645 | { |
2646 | public: |
2647 | |
2648 | foo(): m_self(this) |
2649 | { |
2650 | } |
2651 | |
2652 | void suicide() |
2653 | { |
2654 | m_self.reset(); |
2655 | } |
2656 | |
2657 | private: |
2658 | |
2659 | boost::shared_ptr<foo> m_self; |
2660 | }; |
2661 | |
2662 | void test() |
2663 | { |
2664 | foo * foo_ptr = new foo; |
2665 | foo_ptr->suicide(); |
2666 | } |
2667 | |
2668 | } // namespace n_report_1 |
2669 | |
2670 | // Test case by Per Kristensen |
2671 | namespace n_report_2 |
2672 | { |
2673 | |
2674 | class foo |
2675 | { |
2676 | public: |
2677 | |
2678 | void setWeak(boost::shared_ptr<foo> s) |
2679 | { |
2680 | w = s; |
2681 | } |
2682 | |
2683 | private: |
2684 | |
2685 | boost::weak_ptr<foo> w; |
2686 | }; |
2687 | |
2688 | class deleter |
2689 | { |
2690 | public: |
2691 | |
2692 | deleter(): lock(0) |
2693 | { |
2694 | } |
2695 | |
2696 | ~deleter() |
2697 | { |
2698 | BOOST_TEST(lock == 0); |
2699 | } |
2700 | |
2701 | void operator() (foo * p) |
2702 | { |
2703 | ++lock; |
2704 | delete p; |
2705 | --lock; |
2706 | } |
2707 | |
2708 | private: |
2709 | |
2710 | int lock; |
2711 | }; |
2712 | |
2713 | void test() |
2714 | { |
2715 | boost::shared_ptr<foo> s(new foo, deleter()); |
2716 | s->setWeak(s); |
2717 | s.reset(); |
2718 | } |
2719 | |
2720 | } // namespace n_report_2 |
2721 | |
2722 | namespace n_spt_incomplete |
2723 | { |
2724 | |
2725 | class file; |
2726 | |
2727 | boost::shared_ptr<file> fopen(char const * name, char const * mode); |
2728 | void fread(boost::shared_ptr<file> f, void * data, long size); |
2729 | |
2730 | int file_instances = 0; |
2731 | |
2732 | void test() |
2733 | { |
2734 | BOOST_TEST(file_instances == 0); |
2735 | |
2736 | { |
2737 | boost::shared_ptr<file> pf = fopen(name: "name" , mode: "mode" ); |
2738 | BOOST_TEST(file_instances == 1); |
2739 | fread(f: pf, data: 0, size: 17041); |
2740 | } |
2741 | |
2742 | BOOST_TEST(file_instances == 0); |
2743 | } |
2744 | |
2745 | } // namespace n_spt_incomplete |
2746 | |
2747 | namespace n_spt_pimpl |
2748 | { |
2749 | |
2750 | class file |
2751 | { |
2752 | private: |
2753 | |
2754 | class impl; |
2755 | boost::shared_ptr<impl> pimpl_; |
2756 | |
2757 | public: |
2758 | |
2759 | file(char const * name, char const * mode); |
2760 | |
2761 | // compiler generated members are fine and useful |
2762 | |
2763 | void read(void * data, long size); |
2764 | |
2765 | long total_size() const; |
2766 | }; |
2767 | |
2768 | int file_instances = 0; |
2769 | |
2770 | void test() |
2771 | { |
2772 | BOOST_TEST(file_instances == 0); |
2773 | |
2774 | { |
2775 | file f("name" , "mode" ); |
2776 | BOOST_TEST(file_instances == 1); |
2777 | f.read(data: 0, size: 152); |
2778 | |
2779 | file f2(f); |
2780 | BOOST_TEST(file_instances == 1); |
2781 | f2.read(data: 0, size: 894); |
2782 | |
2783 | BOOST_TEST(f.total_size() == 152+894); |
2784 | |
2785 | { |
2786 | file f3("name2" , "mode2" ); |
2787 | BOOST_TEST(file_instances == 2); |
2788 | } |
2789 | |
2790 | BOOST_TEST(file_instances == 1); |
2791 | } |
2792 | |
2793 | BOOST_TEST(file_instances == 0); |
2794 | } |
2795 | |
2796 | } // namespace n_spt_pimpl |
2797 | |
2798 | namespace n_spt_abstract |
2799 | { |
2800 | |
2801 | class X |
2802 | { |
2803 | public: |
2804 | |
2805 | virtual void f(int) = 0; |
2806 | virtual int g() = 0; |
2807 | |
2808 | protected: |
2809 | |
2810 | ~X() {} |
2811 | }; |
2812 | |
2813 | boost::shared_ptr<X> createX(); |
2814 | |
2815 | int X_instances = 0; |
2816 | |
2817 | void test() |
2818 | { |
2819 | BOOST_TEST(X_instances == 0); |
2820 | |
2821 | { |
2822 | boost::shared_ptr<X> px = createX(); |
2823 | |
2824 | BOOST_TEST(X_instances == 1); |
2825 | |
2826 | px->f(18); |
2827 | px->f(152); |
2828 | |
2829 | BOOST_TEST(px->g() == 170); |
2830 | } |
2831 | |
2832 | BOOST_TEST(X_instances == 0); |
2833 | } |
2834 | |
2835 | } // namespace n_spt_abstract |
2836 | |
2837 | namespace n_spt_preventing_delete |
2838 | { |
2839 | |
2840 | int X_instances = 0; |
2841 | |
2842 | class X |
2843 | { |
2844 | private: |
2845 | |
2846 | X() |
2847 | { |
2848 | ++X_instances; |
2849 | } |
2850 | |
2851 | ~X() |
2852 | { |
2853 | --X_instances; |
2854 | } |
2855 | |
2856 | class deleter; |
2857 | friend class deleter; |
2858 | |
2859 | class deleter |
2860 | { |
2861 | public: |
2862 | |
2863 | void operator()(X * p) { delete p; } |
2864 | }; |
2865 | |
2866 | public: |
2867 | |
2868 | static boost::shared_ptr<X> create() |
2869 | { |
2870 | boost::shared_ptr<X> px(new X, X::deleter()); |
2871 | return px; |
2872 | } |
2873 | }; |
2874 | |
2875 | void test() |
2876 | { |
2877 | BOOST_TEST(X_instances == 0); |
2878 | |
2879 | { |
2880 | boost::shared_ptr<X> px = X::create(); |
2881 | BOOST_TEST(X_instances == 1); |
2882 | } |
2883 | |
2884 | BOOST_TEST(X_instances == 0); |
2885 | } |
2886 | |
2887 | } // namespace n_spt_preventing_delete |
2888 | |
2889 | namespace n_spt_array |
2890 | { |
2891 | |
2892 | int X_instances = 0; |
2893 | |
2894 | struct X |
2895 | { |
2896 | X() |
2897 | { |
2898 | ++X_instances; |
2899 | } |
2900 | |
2901 | ~X() |
2902 | { |
2903 | --X_instances; |
2904 | } |
2905 | }; |
2906 | |
2907 | void test() |
2908 | { |
2909 | BOOST_TEST(X_instances == 0); |
2910 | |
2911 | { |
2912 | boost::shared_ptr<X> px(new X[4], boost::checked_array_deleter<X>()); |
2913 | BOOST_TEST(X_instances == 4); |
2914 | } |
2915 | |
2916 | BOOST_TEST(X_instances == 0); |
2917 | } |
2918 | |
2919 | } // namespace n_spt_array |
2920 | |
2921 | namespace n_spt_static |
2922 | { |
2923 | |
2924 | class X |
2925 | { |
2926 | public: |
2927 | |
2928 | X() |
2929 | { |
2930 | } |
2931 | |
2932 | private: |
2933 | |
2934 | void operator delete(void *) |
2935 | { |
2936 | // Comeau 4.3.0.1 wants a definition |
2937 | BOOST_ERROR("n_spt_static::X::operator delete() called." ); |
2938 | } |
2939 | }; |
2940 | |
2941 | struct null_deleter |
2942 | { |
2943 | void operator()(void const *) const |
2944 | { |
2945 | } |
2946 | }; |
2947 | |
2948 | static X x; |
2949 | |
2950 | void test() |
2951 | { |
2952 | boost::shared_ptr<X> px(&x, null_deleter()); |
2953 | } |
2954 | |
2955 | } // namespace n_spt_static |
2956 | |
2957 | namespace n_spt_intrusive |
2958 | { |
2959 | |
2960 | int X_instances = 0; |
2961 | |
2962 | struct X |
2963 | { |
2964 | long count; |
2965 | |
2966 | X(): count(0) |
2967 | { |
2968 | ++X_instances; |
2969 | } |
2970 | |
2971 | ~X() |
2972 | { |
2973 | --X_instances; |
2974 | } |
2975 | }; |
2976 | |
2977 | void intrusive_ptr_add_ref(X * p) |
2978 | { |
2979 | ++p->count; |
2980 | } |
2981 | |
2982 | void intrusive_ptr_release(X * p) |
2983 | { |
2984 | if(--p->count == 0) delete p; |
2985 | } |
2986 | |
2987 | template<class T> struct intrusive_deleter |
2988 | { |
2989 | void operator()(T * p) |
2990 | { |
2991 | if(p != 0) intrusive_ptr_release(p); |
2992 | } |
2993 | }; |
2994 | |
2995 | boost::shared_ptr<X> make_shared_from_intrusive(X * p) |
2996 | { |
2997 | if(p != 0) intrusive_ptr_add_ref(p); |
2998 | boost::shared_ptr<X> px(p, intrusive_deleter<X>()); |
2999 | return px; |
3000 | } |
3001 | |
3002 | void test() |
3003 | { |
3004 | BOOST_TEST(X_instances == 0); |
3005 | |
3006 | { |
3007 | X * p = new X; |
3008 | BOOST_TEST(X_instances == 1); |
3009 | BOOST_TEST(p->count == 0); |
3010 | boost::shared_ptr<X> px = make_shared_from_intrusive(p); |
3011 | BOOST_TEST(px.get() == p); |
3012 | BOOST_TEST(p->count == 1); |
3013 | boost::shared_ptr<X> px2(px); |
3014 | BOOST_TEST(px2.get() == p); |
3015 | BOOST_TEST(p->count == 1); |
3016 | } |
3017 | |
3018 | BOOST_TEST(X_instances == 0); |
3019 | } |
3020 | |
3021 | } // namespace n_spt_intrusive |
3022 | |
3023 | namespace n_spt_another_sp |
3024 | { |
3025 | |
3026 | template<class T> class another_ptr: private boost::shared_ptr<T> |
3027 | { |
3028 | private: |
3029 | |
3030 | typedef boost::shared_ptr<T> base_type; |
3031 | |
3032 | public: |
3033 | |
3034 | explicit another_ptr(T * p = 0): base_type(p) |
3035 | { |
3036 | } |
3037 | |
3038 | void reset() |
3039 | { |
3040 | base_type::reset(); |
3041 | } |
3042 | |
3043 | T * get() const |
3044 | { |
3045 | return base_type::get(); |
3046 | } |
3047 | }; |
3048 | |
3049 | class event_handler |
3050 | { |
3051 | public: |
3052 | |
3053 | virtual ~event_handler() {} |
3054 | virtual void begin() = 0; |
3055 | virtual void handle(int event) = 0; |
3056 | virtual void end() = 0; |
3057 | }; |
3058 | |
3059 | int begin_called = 0; |
3060 | int handle_called = 0; |
3061 | int end_called = 0; |
3062 | |
3063 | class event_handler_impl: public event_handler |
3064 | { |
3065 | public: |
3066 | |
3067 | virtual void begin() |
3068 | { |
3069 | ++begin_called; |
3070 | } |
3071 | |
3072 | virtual void handle(int event) |
3073 | { |
3074 | handle_called = event; |
3075 | } |
3076 | |
3077 | virtual void end() |
3078 | { |
3079 | ++end_called; |
3080 | } |
3081 | }; |
3082 | |
3083 | another_ptr<event_handler> get_event_handler() |
3084 | { |
3085 | another_ptr<event_handler> p(new event_handler_impl); |
3086 | return p; |
3087 | } |
3088 | |
3089 | boost::shared_ptr<event_handler> current_handler; |
3090 | |
3091 | void install_event_handler(boost::shared_ptr<event_handler> p) |
3092 | { |
3093 | p->begin(); |
3094 | current_handler = p; |
3095 | } |
3096 | |
3097 | void handle_event(int event) |
3098 | { |
3099 | current_handler->handle(event); |
3100 | } |
3101 | |
3102 | void remove_event_handler() |
3103 | { |
3104 | current_handler->end(); |
3105 | current_handler.reset(); |
3106 | } |
3107 | |
3108 | template<class P> class smart_pointer_deleter |
3109 | { |
3110 | private: |
3111 | |
3112 | P p_; |
3113 | |
3114 | public: |
3115 | |
3116 | smart_pointer_deleter(P const & p): p_(p) |
3117 | { |
3118 | } |
3119 | |
3120 | void operator()(void const *) |
3121 | { |
3122 | p_.reset(); |
3123 | } |
3124 | }; |
3125 | |
3126 | void test() |
3127 | { |
3128 | another_ptr<event_handler> p = get_event_handler(); |
3129 | |
3130 | boost::shared_ptr<event_handler> q(p.get(), smart_pointer_deleter< another_ptr<event_handler> >(p)); |
3131 | |
3132 | p.reset(); |
3133 | |
3134 | BOOST_TEST(begin_called == 0); |
3135 | |
3136 | install_event_handler(p: q); |
3137 | |
3138 | BOOST_TEST(begin_called == 1); |
3139 | |
3140 | BOOST_TEST(handle_called == 0); |
3141 | |
3142 | handle_event(event: 17041); |
3143 | |
3144 | BOOST_TEST(handle_called == 17041); |
3145 | |
3146 | BOOST_TEST(end_called == 0); |
3147 | |
3148 | remove_event_handler(); |
3149 | |
3150 | BOOST_TEST(end_called == 1); |
3151 | } |
3152 | |
3153 | } // namespace n_spt_another_sp |
3154 | |
3155 | namespace n_spt_shared_from_this |
3156 | { |
3157 | |
3158 | class X |
3159 | { |
3160 | public: |
3161 | |
3162 | virtual void f() = 0; |
3163 | |
3164 | protected: |
3165 | |
3166 | ~X() {} |
3167 | }; |
3168 | |
3169 | class Y |
3170 | { |
3171 | public: |
3172 | |
3173 | virtual boost::shared_ptr<X> getX() = 0; |
3174 | |
3175 | protected: |
3176 | |
3177 | ~Y() {} |
3178 | }; |
3179 | |
3180 | class impl: public X, public Y |
3181 | { |
3182 | private: |
3183 | |
3184 | boost::weak_ptr<impl> weak_this; |
3185 | |
3186 | impl(impl const &); |
3187 | impl & operator=(impl const &); |
3188 | |
3189 | impl() {} |
3190 | |
3191 | public: |
3192 | |
3193 | static boost::shared_ptr<impl> create() |
3194 | { |
3195 | boost::shared_ptr<impl> pi(new impl); |
3196 | pi->weak_this = pi; |
3197 | return pi; |
3198 | } |
3199 | |
3200 | virtual void f() {} |
3201 | |
3202 | virtual boost::shared_ptr<X> getX() |
3203 | { |
3204 | boost::shared_ptr<X> px = weak_this.lock(); |
3205 | return px; |
3206 | } |
3207 | }; |
3208 | |
3209 | void test() |
3210 | { |
3211 | boost::shared_ptr<Y> py = impl::create(); |
3212 | BOOST_TEST(py.get() != 0); |
3213 | BOOST_TEST(py.use_count() == 1); |
3214 | |
3215 | boost::shared_ptr<X> px = py->getX(); |
3216 | BOOST_TEST(px.get() != 0); |
3217 | BOOST_TEST(py.use_count() == 2); |
3218 | |
3219 | #if !defined( BOOST_NO_RTTI ) |
3220 | boost::shared_ptr<Y> py2 = boost::dynamic_pointer_cast<Y>(r: px); |
3221 | BOOST_TEST(py.get() == py2.get()); |
3222 | BOOST_TEST(!(py < py2 || py2 < py)); |
3223 | BOOST_TEST(py.use_count() == 3); |
3224 | #endif |
3225 | } |
3226 | |
3227 | } // namespace n_spt_shared_from_this |
3228 | |
3229 | namespace n_spt_wrap |
3230 | { |
3231 | |
3232 | void test() |
3233 | { |
3234 | } |
3235 | |
3236 | } // namespace n_spt_wrap |
3237 | |
3238 | int main() |
3239 | { |
3240 | n_element_type::test(); |
3241 | n_constructors::test(); |
3242 | n_assignment::test(); |
3243 | n_reset::test(); |
3244 | n_access::test(); |
3245 | n_use_count::test(); |
3246 | n_swap::test(); |
3247 | n_comparison::test(); |
3248 | n_static_cast::test(); |
3249 | n_const_cast::test(); |
3250 | #if !defined( BOOST_NO_RTTI ) |
3251 | n_dynamic_cast::test(); |
3252 | #endif |
3253 | |
3254 | n_map::test(); |
3255 | |
3256 | n_transitive::test(); |
3257 | n_report_1::test(); |
3258 | n_report_2::test(); |
3259 | |
3260 | n_spt_incomplete::test(); |
3261 | n_spt_pimpl::test(); |
3262 | n_spt_abstract::test(); |
3263 | n_spt_preventing_delete::test(); |
3264 | n_spt_array::test(); |
3265 | n_spt_static::test(); |
3266 | n_spt_intrusive::test(); |
3267 | n_spt_another_sp::test(); |
3268 | n_spt_shared_from_this::test(); |
3269 | n_spt_wrap::test(); |
3270 | |
3271 | return boost::report_errors(); |
3272 | } |
3273 | |
3274 | namespace n_spt_incomplete |
3275 | { |
3276 | |
3277 | class file |
3278 | { |
3279 | public: |
3280 | |
3281 | file(): fread_called(false) |
3282 | { |
3283 | ++file_instances; |
3284 | } |
3285 | |
3286 | ~file() |
3287 | { |
3288 | BOOST_TEST(fread_called); |
3289 | --file_instances; |
3290 | } |
3291 | |
3292 | bool fread_called; |
3293 | }; |
3294 | |
3295 | boost::shared_ptr<file> fopen(char const *, char const *) |
3296 | { |
3297 | boost::shared_ptr<file> pf(new file); |
3298 | return pf; |
3299 | } |
3300 | |
3301 | void fread(boost::shared_ptr<file> pf, void *, long) |
3302 | { |
3303 | pf->fread_called = true; |
3304 | } |
3305 | |
3306 | } // namespace n_spt_incomplete |
3307 | |
3308 | namespace n_spt_pimpl |
3309 | { |
3310 | |
3311 | class file::impl |
3312 | { |
3313 | private: |
3314 | |
3315 | impl(impl const &); |
3316 | impl & operator=(impl const &); |
3317 | |
3318 | long total_size_; |
3319 | |
3320 | public: |
3321 | |
3322 | impl(char const *, char const *): total_size_(0) |
3323 | { |
3324 | ++file_instances; |
3325 | } |
3326 | |
3327 | ~impl() |
3328 | { |
3329 | --file_instances; |
3330 | } |
3331 | |
3332 | void read(void *, long size) |
3333 | { |
3334 | total_size_ += size; |
3335 | } |
3336 | |
3337 | long total_size() const |
3338 | { |
3339 | return total_size_; |
3340 | } |
3341 | }; |
3342 | |
3343 | file::file(char const * name, char const * mode): pimpl_(new impl(name, mode)) |
3344 | { |
3345 | } |
3346 | |
3347 | void file::read(void * data, long size) |
3348 | { |
3349 | pimpl_->read(data, size); |
3350 | } |
3351 | |
3352 | long file::total_size() const |
3353 | { |
3354 | return pimpl_->total_size(); |
3355 | } |
3356 | |
3357 | } // namespace n_spt_pimpl |
3358 | |
3359 | namespace n_spt_abstract |
3360 | { |
3361 | |
3362 | class X_impl: public X |
3363 | { |
3364 | private: |
3365 | |
3366 | X_impl(X_impl const &); |
3367 | X_impl & operator=(X_impl const &); |
3368 | |
3369 | int n_; |
3370 | |
3371 | public: |
3372 | |
3373 | X_impl(): n_(0) |
3374 | { |
3375 | ++X_instances; |
3376 | } |
3377 | |
3378 | ~X_impl() |
3379 | { |
3380 | --X_instances; |
3381 | } |
3382 | |
3383 | virtual void f(int n) |
3384 | { |
3385 | n_ += n; |
3386 | } |
3387 | |
3388 | virtual int g() |
3389 | { |
3390 | return n_; |
3391 | } |
3392 | }; |
3393 | |
3394 | boost::shared_ptr<X> createX() |
3395 | { |
3396 | boost::shared_ptr<X> px(new X_impl); |
3397 | return px; |
3398 | } |
3399 | |
3400 | } // namespace n_spt_abstract |
3401 | |