1 | ////////////////////////////////////////////////////////////////////////////// |
2 | // |
3 | // (C) Copyright Peter Dimov 2002-2005, 2007. |
4 | // (C) Copyright Ion Gaztanaga 2006-2012. |
5 | // Distributed under the Boost Software License, Version 1.0. |
6 | // (See accompanying file LICENSE_1_0.txt or copy at |
7 | // http://www.boost.org/LICENSE_1_0.txt) |
8 | // |
9 | // See http://www.boost.org/libs/interprocess for documentation. |
10 | // |
11 | ////////////////////////////////////////////////////////////////////////////// |
12 | |
13 | #include <boost/interprocess/offset_ptr.hpp> |
14 | #include <boost/interprocess/smart_ptr/shared_ptr.hpp> |
15 | #include <boost/interprocess/smart_ptr/weak_ptr.hpp> |
16 | #include <boost/interprocess/smart_ptr/enable_shared_from_this.hpp> |
17 | #include <boost/interprocess/managed_shared_memory.hpp> |
18 | #include <boost/interprocess/allocators/allocator.hpp> |
19 | #include <boost/interprocess/containers/string.hpp> |
20 | #include <boost/interprocess/containers/vector.hpp> |
21 | #include <boost/interprocess/smart_ptr/deleter.hpp> |
22 | #include <boost/interprocess/smart_ptr/scoped_ptr.hpp> |
23 | #include <boost/core/lightweight_test.hpp> |
24 | #include <string> |
25 | #include "get_process_id_name.hpp" |
26 | |
27 | |
28 | #include <boost/interprocess/sync/upgradable_lock.hpp> |
29 | #include <boost/interprocess/sync/interprocess_upgradable_mutex.hpp> |
30 | |
31 | using namespace boost::interprocess; |
32 | |
33 | class base_class |
34 | { |
35 | public: |
36 | virtual ~base_class() |
37 | {} |
38 | }; |
39 | |
40 | class derived_class |
41 | : public base_class |
42 | { |
43 | public: |
44 | virtual ~derived_class() BOOST_OVERRIDE |
45 | {} |
46 | }; |
47 | |
48 | int simple_test() |
49 | { |
50 | typedef managed_shared_memory::segment_manager segment_mngr_t; |
51 | typedef allocator<base_class, segment_mngr_t> base_class_allocator; |
52 | typedef deleter<base_class, segment_mngr_t> base_deleter_t; |
53 | typedef shared_ptr<base_class, base_class_allocator, base_deleter_t> base_shared_ptr; |
54 | |
55 | std::string process_name; |
56 | test::get_process_id_name(str&: process_name); |
57 | |
58 | shared_memory_object::remove(filename: process_name.c_str()); |
59 | { |
60 | managed_shared_memory shmem(create_only, process_name.c_str(), 10000); |
61 | |
62 | { |
63 | base_shared_ptr s_ptr(base_shared_ptr::pointer(0), |
64 | base_class_allocator(shmem.get_segment_manager()), |
65 | base_deleter_t(shmem.get_segment_manager())); |
66 | |
67 | base_shared_ptr s_ptr2(shmem.construct<base_class>(name: "base_class" )(), |
68 | base_class_allocator(shmem.get_segment_manager()), |
69 | base_deleter_t(shmem.get_segment_manager())); |
70 | |
71 | base_shared_ptr s_ptr3(offset_ptr<derived_class>(shmem.construct<derived_class>(name: "derived_class" )()), |
72 | base_class_allocator(shmem.get_segment_manager()), |
73 | base_deleter_t(shmem.get_segment_manager())); |
74 | |
75 | if(s_ptr3.get_deleter() == 0){ |
76 | return 1; |
77 | } |
78 | //if(s_ptr3.get_allocator() == 0){ |
79 | //return 1; |
80 | //} |
81 | |
82 | base_shared_ptr s_ptr_empty; |
83 | |
84 | if(s_ptr_empty.get_deleter() != 0){ |
85 | return 1; |
86 | } |
87 | //if(s_ptr_empty.get_allocator() != 0){ |
88 | //return 1; |
89 | //} |
90 | } |
91 | } |
92 | shared_memory_object::remove(filename: process_name.c_str()); |
93 | return 0; |
94 | } |
95 | |
96 | int string_shared_ptr_vector_insertion_test() |
97 | { |
98 | typedef managed_shared_memory::segment_manager segment_mngr_t; |
99 | |
100 | //Allocator of chars |
101 | typedef allocator<char, segment_mngr_t> char_allocator_t; |
102 | |
103 | //A shared memory string class |
104 | typedef basic_string<char, std::char_traits<char>, char_allocator_t> string_t; |
105 | |
106 | //A shared memory string allocator |
107 | typedef allocator<string_t, segment_mngr_t> string_allocator_t; |
108 | |
109 | //A deleter for shared_ptr<> that erases a shared memory string |
110 | typedef deleter<string_t, segment_mngr_t> string_deleter_t; |
111 | |
112 | //A shared pointer that points to a shared memory string and its instantiation |
113 | typedef shared_ptr<string_t, string_allocator_t, string_deleter_t> string_shared_ptr_t; |
114 | |
115 | //An allocator for shared pointers to a string in shared memory |
116 | typedef allocator<string_shared_ptr_t, segment_mngr_t> string_shared_ptr_allocator_t; |
117 | |
118 | //A weak pointer that points to a shared memory string and its instantiation |
119 | typedef weak_ptr<string_t, string_allocator_t, string_deleter_t> string_weak_ptr_t; |
120 | |
121 | //An allocator for weak pointers to a string in shared memory |
122 | typedef allocator<string_weak_ptr_t, segment_mngr_t > string_weak_ptr_allocator_t; |
123 | |
124 | //A vector of shared pointers to strings (all in shared memory) and its instantiation |
125 | typedef vector<string_shared_ptr_t, string_shared_ptr_allocator_t> |
126 | string_shared_ptr_vector_t; |
127 | |
128 | //A vector of weak pointers to strings (all in shared memory) and its instantiation |
129 | typedef vector<string_weak_ptr_t, string_weak_ptr_allocator_t> |
130 | string_weak_ptr_vector_t; |
131 | |
132 | std::string process_name; |
133 | test::get_process_id_name(str&: process_name); |
134 | |
135 | //A shared memory managed memory classes |
136 | shared_memory_object::remove(filename: process_name.c_str()); |
137 | { |
138 | managed_shared_memory shmem(create_only, process_name.c_str(), 20000); |
139 | |
140 | { |
141 | const int NumElements = 100; |
142 | //Construct the allocator of strings |
143 | string_allocator_t string_allocator(shmem.get_segment_manager()); |
144 | //Construct the allocator of a shared_ptr to string |
145 | string_shared_ptr_allocator_t string_shared_ptr_allocator(shmem.get_segment_manager()); |
146 | //Construct the allocator of a shared_ptr to string |
147 | string_weak_ptr_allocator_t string_weak_ptr_allocator(shmem.get_segment_manager()); |
148 | //This is a string deleter using destroy_ptr() function of the managed_shared_memory |
149 | string_deleter_t deleter(shmem.get_segment_manager()); |
150 | //Create a string in shared memory, to avoid leaks with exceptions use |
151 | //scoped ptr until we store this pointer in the shared ptr |
152 | scoped_ptr<string_t, string_deleter_t> scoped_string |
153 | (shmem.construct<string_t>(name: anonymous_instance)(string_allocator), deleter); |
154 | //Now construct a shared pointer to a string |
155 | string_shared_ptr_t string_shared_ptr (scoped_string.get(), |
156 | string_shared_ptr_allocator, |
157 | deleter); |
158 | //Check use count is just one |
159 | if(!string_shared_ptr.unique()){ |
160 | return 1; |
161 | } |
162 | //We don't need the scoped_ptr anonymous since the raw pointer is in the shared ptr |
163 | scoped_string.release(); |
164 | //Now fill a shared memory vector of shared_ptrs to a string |
165 | string_shared_ptr_vector_t my_sharedptr_vector(string_shared_ptr_allocator); |
166 | my_sharedptr_vector.insert(p: my_sharedptr_vector.begin(), n: NumElements, x: string_shared_ptr); |
167 | //Insert in the middle to test movability |
168 | my_sharedptr_vector.insert(p: my_sharedptr_vector.nth(n: my_sharedptr_vector.size()/2u), n: NumElements, x: string_shared_ptr); |
169 | //Now check the shared count is the objects contained in the |
170 | //vector plus string_shared_ptr |
171 | if(string_shared_ptr.use_count() != static_cast<long>(my_sharedptr_vector.size()+1)){ |
172 | return 1; |
173 | } |
174 | //Now create a weak ptr from the shared_ptr |
175 | string_weak_ptr_t string_weak_ptr (string_shared_ptr); |
176 | //Use count should remain the same |
177 | if(string_weak_ptr.use_count() != static_cast<long>(my_sharedptr_vector.size()+1)){ |
178 | return 1; |
179 | } |
180 | //Now reset the local shared_ptr and check use count |
181 | string_shared_ptr.reset(); |
182 | if(string_weak_ptr.use_count() != static_cast<long>(my_sharedptr_vector.size())){ |
183 | return 1; |
184 | } |
185 | //Now reset the local shared_ptr's use count should be zero |
186 | if(string_shared_ptr.use_count() != 0){ |
187 | return 1; |
188 | } |
189 | //Now recreate the shared ptr from the weak ptr |
190 | //and recheck use count |
191 | string_shared_ptr = string_shared_ptr_t(string_weak_ptr); |
192 | if(string_shared_ptr.use_count() != static_cast<long>(my_sharedptr_vector.size()+1)){ |
193 | return 1; |
194 | } |
195 | //Now fill a vector of weak_ptr-s |
196 | string_weak_ptr_vector_t my_weakptr_vector(string_weak_ptr_allocator); |
197 | my_weakptr_vector.insert(p: my_weakptr_vector.begin(), n: NumElements, x: string_weak_ptr); |
198 | //The shared count should remain the same |
199 | if(string_shared_ptr.use_count() != static_cast<long>(my_sharedptr_vector.size()+1)){ |
200 | return 1; |
201 | } |
202 | //So weak pointers should be fine |
203 | string_weak_ptr_vector_t::iterator beg = my_weakptr_vector.begin(), |
204 | end = my_weakptr_vector.end(); |
205 | for(;beg != end; ++beg){ |
206 | if(beg->expired()){ |
207 | return 1; |
208 | } |
209 | //The shared pointer constructed from weak ptr should |
210 | //be the same as the original, since all weak pointer |
211 | //point the the same object |
212 | if(string_shared_ptr_t(*beg) != string_shared_ptr){ |
213 | return 1; |
214 | } |
215 | } |
216 | //Now destroy all the shared ptr-s of the shared ptr vector |
217 | my_sharedptr_vector.clear(); |
218 | //The only alive shared ptr should be the local one |
219 | if(string_shared_ptr.use_count() != 1){ |
220 | return 1; |
221 | } |
222 | //Now we invalidate the last alive shared_ptr |
223 | string_shared_ptr.reset(); |
224 | //Now all weak pointers should have expired |
225 | beg = my_weakptr_vector.begin(); |
226 | end = my_weakptr_vector.end(); |
227 | for(;beg != end; ++beg){ |
228 | if(!beg->expired()){ |
229 | return 1; |
230 | } |
231 | bool success = false; |
232 | //Now this should throw |
233 | BOOST_TRY{ |
234 | string_shared_ptr_t dummy(*beg); |
235 | //We should never reach here |
236 | return 1; |
237 | } |
238 | BOOST_CATCH(const boost::interprocess::bad_weak_ptr &){ |
239 | success = true; |
240 | } BOOST_CATCH_END |
241 | if(!success){ |
242 | return 1; |
243 | } |
244 | } |
245 | //Clear weak ptr vector |
246 | my_weakptr_vector.clear(); |
247 | //Now lock returned shared ptr should return null |
248 | if(string_weak_ptr.lock().get()){ |
249 | return 1; |
250 | } |
251 | //Reset weak_ptr |
252 | string_weak_ptr.reset(); |
253 | } |
254 | } |
255 | shared_memory_object::remove(filename: process_name.c_str()); |
256 | return 0; |
257 | } |
258 | |
259 | // |
260 | // This part is taken from shared_ptr_basic_test.cpp |
261 | // |
262 | // Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd. |
263 | // Copyright (c) 2006 Ion Gaztanaga |
264 | // |
265 | // Distributed under the Boost Software License, Version 1.0. (See |
266 | // accompanying file LICENSE_1_0.txt or copy at |
267 | // http://www.boost.org/LICENSE_1_0.txt) |
268 | // |
269 | |
270 | static int cnt = 0; |
271 | |
272 | struct X |
273 | { |
274 | X(){ ++cnt; } |
275 | // virtual destructor deliberately omitted |
276 | virtual ~X(){ --cnt; } |
277 | |
278 | virtual int id() const |
279 | { return 1; } |
280 | |
281 | private: |
282 | X(X const &); |
283 | X & operator= (X const &); |
284 | }; |
285 | |
286 | struct Y: public X |
287 | { |
288 | Y(){ ++cnt; } |
289 | virtual ~Y() BOOST_OVERRIDE{ --cnt; } |
290 | |
291 | virtual int id() const BOOST_OVERRIDE |
292 | { return 2; } |
293 | |
294 | private: |
295 | Y(Y const &); |
296 | Y & operator= (Y const &); |
297 | }; |
298 | |
299 | int * get_object() |
300 | { ++cnt; return &cnt; } |
301 | |
302 | void release_object(int * p) |
303 | { BOOST_TEST(p == &cnt); --cnt; } |
304 | |
305 | template<class T, class A, class D> |
306 | void test_is_X(shared_ptr<T, A, D> const & p) |
307 | { |
308 | BOOST_TEST(p->id() == 1); |
309 | BOOST_TEST((*p).id() == 1); |
310 | } |
311 | |
312 | template<class T, class A, class D> |
313 | void test_is_X(weak_ptr<T, A, D> const & p) |
314 | { |
315 | BOOST_TEST(p.get() != 0); |
316 | BOOST_TEST(p.get()->id() == 1); |
317 | } |
318 | |
319 | template<class T, class A, class D> |
320 | void test_is_Y(shared_ptr<T, A, D> const & p) |
321 | { |
322 | BOOST_TEST(p->id() == 2); |
323 | BOOST_TEST((*p).id() == 2); |
324 | } |
325 | |
326 | template<class T, class A, class D> |
327 | void test_is_Y(weak_ptr<T, A, D> const & p) |
328 | { |
329 | shared_ptr<T, A, D> q = p.lock(); |
330 | BOOST_TEST(q.get() != 0); |
331 | BOOST_TEST(q->id() == 2); |
332 | } |
333 | |
334 | template<class T, class T2> |
335 | void test_eq(T const & a, T2 const & b) |
336 | { |
337 | BOOST_TEST(a == b); |
338 | BOOST_TEST(!(a != b)); |
339 | BOOST_TEST(!(a < b)); |
340 | BOOST_TEST(!(b < a)); |
341 | } |
342 | |
343 | template<class T, class T2> |
344 | void test_ne(T const & a, T2 const & b) |
345 | { |
346 | BOOST_TEST(!(a == b)); |
347 | BOOST_TEST(a != b); |
348 | BOOST_TEST(a < b || b < a); |
349 | BOOST_TEST(!(a < b && b < a)); |
350 | } |
351 | |
352 | template<class T, class U, class A, class D, class D2> |
353 | void test_shared(weak_ptr<T, A, D> const & a, weak_ptr<U, A, D2> const & b) |
354 | { |
355 | BOOST_TEST(!(a < b)); |
356 | BOOST_TEST(!(b < a)); |
357 | } |
358 | |
359 | template<class T, class U, class A, class D, class D2> |
360 | void test_nonshared(weak_ptr<T, A, D> const & a, weak_ptr<U, A, D2> const & b) |
361 | { |
362 | BOOST_TEST(a < b || b < a); |
363 | BOOST_TEST(!(a < b && b < a)); |
364 | } |
365 | |
366 | template<class T, class U> |
367 | void test_eq2(T const & a, U const & b) |
368 | { |
369 | BOOST_TEST(a == b); |
370 | BOOST_TEST(!(a != b)); |
371 | } |
372 | |
373 | template<class T, class U> |
374 | void test_ne2(T const & a, U const & b) |
375 | { |
376 | BOOST_TEST(!(a == b)); |
377 | BOOST_TEST(a != b); |
378 | } |
379 | |
380 | template<class T, class A, class D> |
381 | void test_is_zero(shared_ptr<T, A, D> const & p) |
382 | { |
383 | BOOST_TEST(!p); |
384 | BOOST_TEST(p.get() == 0); |
385 | } |
386 | |
387 | template<class T, class A, class D> |
388 | void test_is_nonzero(shared_ptr<T, A, D> const & p) |
389 | { |
390 | // p? true: false is used to test p in a boolean context. |
391 | // BOOST_TEST(p) is not guaranteed to test the conversion, |
392 | // as the macro might test !!p instead. |
393 | BOOST_TEST(p? true: false); |
394 | BOOST_TEST(p.get() != 0); |
395 | } |
396 | |
397 | int basic_shared_ptr_test() |
398 | { |
399 | typedef managed_shared_memory::segment_manager segment_mngr_t; |
400 | typedef allocator<void, segment_mngr_t> v_allocator_t; |
401 | typedef deleter<X, segment_mngr_t> x_deleter_t; |
402 | typedef deleter<Y, segment_mngr_t> y_deleter_t; |
403 | typedef shared_ptr<X, v_allocator_t, x_deleter_t> x_shared_ptr; |
404 | typedef shared_ptr<Y, v_allocator_t, y_deleter_t> y_shared_ptr; |
405 | typedef weak_ptr<X, v_allocator_t, x_deleter_t> x_weak_ptr; |
406 | typedef weak_ptr<Y, v_allocator_t, y_deleter_t> y_weak_ptr; |
407 | |
408 | std::string process_name; |
409 | test::get_process_id_name(str&: process_name); |
410 | |
411 | shared_memory_object::remove(filename: process_name.c_str()); |
412 | { |
413 | managed_shared_memory shmem(create_only, process_name.c_str(), 10000); |
414 | { |
415 | v_allocator_t v_allocator (shmem.get_segment_manager()); |
416 | x_deleter_t x_deleter (shmem.get_segment_manager()); |
417 | y_deleter_t y_deleter (shmem.get_segment_manager()); |
418 | |
419 | y_shared_ptr p (shmem.construct<Y>(name: anonymous_instance)(), v_allocator, y_deleter); |
420 | x_shared_ptr p2(shmem.construct<X>(name: anonymous_instance)(), v_allocator, x_deleter); |
421 | |
422 | test_is_nonzero(p); |
423 | test_is_nonzero(p: p2); |
424 | test_is_Y(p); |
425 | test_is_X(p: p2); |
426 | test_ne(a: p, b: p2); |
427 | |
428 | { |
429 | shared_ptr<X, v_allocator_t, y_deleter_t> q(p); |
430 | test_eq(a: p, b: q); |
431 | } |
432 | |
433 | y_shared_ptr p3 (dynamic_pointer_cast<Y>(r: p)); |
434 | shared_ptr<Y, v_allocator_t, x_deleter_t> p4 (dynamic_pointer_cast<Y>(r: p2)); |
435 | test_is_nonzero(p: p3); |
436 | test_is_zero(p: p4); |
437 | BOOST_TEST(p.use_count() == 2); |
438 | BOOST_TEST(p2.use_count() == 1); |
439 | BOOST_TEST(p3.use_count() == 2); |
440 | test_is_Y(p: p3); |
441 | test_eq2(a: p, b: p3); |
442 | test_ne2(a: p2, b: p4); |
443 | |
444 | shared_ptr<void, v_allocator_t, y_deleter_t> p5(p); |
445 | |
446 | test_is_nonzero(p: p5); |
447 | test_eq2(a: p, b: p5); |
448 | BOOST_TEST(p5.use_count() == 3); |
449 | |
450 | x_weak_ptr wp1(p2); |
451 | |
452 | BOOST_TEST(!wp1.expired()); |
453 | BOOST_TEST(wp1.use_count() != 0); |
454 | |
455 | p.reset(); |
456 | p2.reset(); |
457 | p3.reset(); |
458 | p4.reset(); |
459 | |
460 | test_is_zero(p); |
461 | test_is_zero(p: p2); |
462 | test_is_zero(p: p3); |
463 | test_is_zero(p: p4); |
464 | |
465 | BOOST_TEST(p5.use_count() == 1); |
466 | BOOST_TEST(wp1.expired()); |
467 | BOOST_TEST(wp1.use_count() == 0); |
468 | |
469 | BOOST_TRY{ |
470 | x_shared_ptr sp1(wp1); |
471 | BOOST_ERROR("shared_ptr<X, A, D> sp1(wp1) failed to throw" ); |
472 | } |
473 | BOOST_CATCH(boost::interprocess::bad_weak_ptr const &) |
474 | {} BOOST_CATCH_END |
475 | |
476 | test_is_zero(p: wp1.lock()); |
477 | |
478 | weak_ptr<X, v_allocator_t, y_deleter_t> wp2 = static_pointer_cast<X>(r: p5); |
479 | |
480 | BOOST_TEST(wp2.use_count() == 1); |
481 | test_is_Y(p: wp2); |
482 | test_nonshared(a: wp1, b: wp2); |
483 | |
484 | // Scoped to not affect the subsequent use_count() tests. |
485 | { |
486 | shared_ptr<X, v_allocator_t, y_deleter_t> sp2(wp2); |
487 | test_is_nonzero(p: wp2.lock()); |
488 | } |
489 | |
490 | y_weak_ptr wp3 = dynamic_pointer_cast<Y>(r: wp2.lock()); |
491 | |
492 | BOOST_TEST(wp3.use_count() == 1); |
493 | test_shared(a: wp2, b: wp3); |
494 | |
495 | weak_ptr<X, v_allocator_t, y_deleter_t> wp4(wp3); |
496 | |
497 | BOOST_TEST(wp4.use_count() == 1); |
498 | test_shared(a: wp2, b: wp4); |
499 | |
500 | wp1 = p2; |
501 | test_is_zero(p: wp1.lock()); |
502 | |
503 | wp1 = p4; |
504 | |
505 | x_weak_ptr wp5; |
506 | |
507 | bool b1 = wp1 < wp5; |
508 | bool b2 = wp5 < wp1; |
509 | |
510 | y_shared_ptr p6 = static_pointer_cast<Y>(r: p5); |
511 | p5.reset(); |
512 | p6.reset(); |
513 | |
514 | BOOST_TEST(wp1.use_count() == 0); |
515 | BOOST_TEST(wp2.use_count() == 0); |
516 | BOOST_TEST(wp3.use_count() == 0); |
517 | |
518 | // Test operator< stability for std::set< weak_ptr<> > |
519 | // Thanks to Joe Gottman for pointing this out |
520 | BOOST_TEST(b1 == (wp1 < wp5)); |
521 | BOOST_TEST(b2 == (wp5 < wp1)); |
522 | } |
523 | |
524 | BOOST_TEST(cnt == 0); |
525 | } |
526 | shared_memory_object::remove(filename: process_name.c_str()); |
527 | return boost::report_errors(); |
528 | } |
529 | |
530 | struct alias_tester |
531 | { |
532 | int v_; |
533 | |
534 | explicit alias_tester( int v ): v_( v ) |
535 | { |
536 | } |
537 | |
538 | ~alias_tester() |
539 | { |
540 | v_ = 0; |
541 | } |
542 | }; |
543 | |
544 | void test_alias() |
545 | { |
546 | typedef managed_shared_memory::segment_manager segment_mngr_t; |
547 | typedef allocator<void, segment_mngr_t> v_allocator_t; |
548 | typedef deleter<int, segment_mngr_t> int_deleter_t; |
549 | |
550 | typedef shared_ptr<int, v_allocator_t, int_deleter_t> int_shared_ptr; |
551 | typedef shared_ptr<const int, v_allocator_t, int_deleter_t> const_int_shared_ptr; |
552 | |
553 | std::string process_name; |
554 | test::get_process_id_name(str&: process_name); |
555 | |
556 | shared_memory_object::remove(filename: process_name.c_str()); |
557 | { |
558 | managed_shared_memory shmem(create_only, process_name.c_str(), 10000); |
559 | |
560 | { |
561 | int m = 0; |
562 | int_shared_ptr p; |
563 | int_shared_ptr p2( p, &m ); |
564 | |
565 | BOOST_TEST( ipcdetail::to_raw_pointer(p2.get()) == &m ); |
566 | BOOST_TEST( p2? true: false ); |
567 | BOOST_TEST( !!p2 ); |
568 | BOOST_TEST( p2.use_count() == p.use_count() ); |
569 | BOOST_TEST( !( p < p2 ) && !( p2 < p ) ); |
570 | |
571 | p2.reset( r: p, p: static_cast<int*>(0) ); |
572 | |
573 | BOOST_TEST( p2.get() == 0 ); |
574 | |
575 | BOOST_TEST( p2? false: true ); |
576 | BOOST_TEST( !p2 ); |
577 | BOOST_TEST( p2.use_count() == p.use_count() ); |
578 | BOOST_TEST( !( p < p2 ) && !( p2 < p ) ); |
579 | } |
580 | |
581 | { |
582 | int m = 0; |
583 | int_shared_ptr p(make_managed_shared_ptr |
584 | (constructed_object: shmem.construct<int>(name: anonymous_instance)(), managed_memory&: shmem)); |
585 | const_int_shared_ptr p2( p, &m ); |
586 | |
587 | BOOST_TEST( ipcdetail::to_raw_pointer(p2.get()) == &m ); |
588 | BOOST_TEST( p2? true: false ); |
589 | BOOST_TEST( !!p2 ); |
590 | BOOST_TEST( p2.use_count() == p.use_count() ); |
591 | BOOST_TEST( !( p < p2 ) && !( p2 < p ) ); |
592 | int_shared_ptr p_nothrow(make_managed_shared_ptr |
593 | (constructed_object: shmem.construct<int>(name: anonymous_instance)(), managed_memory&: shmem, std::nothrow)); |
594 | } |
595 | } |
596 | shared_memory_object::remove(filename: process_name.c_str()); |
597 | } |
598 | |
599 | |
600 | struct std_deleter |
601 | { |
602 | typedef const void* pointer; |
603 | |
604 | void operator()(const void* p) const; |
605 | }; |
606 | |
607 | struct shared_from_this_tester: enable_shared_from_this< |
608 | const shared_from_this_tester, std::allocator<void>, std_deleter |
609 | > {}; |
610 | |
611 | void std_deleter::operator()(const void* p) const |
612 | { |
613 | delete static_cast<const shared_from_this_tester*>(p); |
614 | } |
615 | |
616 | |
617 | void test_const_shared_from_this() |
618 | { |
619 | shared_ptr<const shared_from_this_tester, std::allocator<void>, std_deleter> cptr( |
620 | new shared_from_this_tester() |
621 | ); |
622 | BOOST_TEST( cptr->shared_from_this().get() == cptr.get() ); |
623 | } |
624 | |
625 | int main() |
626 | { |
627 | if(0 != simple_test()) |
628 | return 1; |
629 | |
630 | if(0 != string_shared_ptr_vector_insertion_test()) |
631 | return 1; |
632 | |
633 | if(0 != basic_shared_ptr_test()) |
634 | return 1; |
635 | |
636 | test_alias(); |
637 | test_const_shared_from_this(); |
638 | } |
639 | |
640 | |