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7c673cae FG |
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 | ||
7c673cae FG |
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() | |
45 | {} | |
46 | }; | |
47 | ||
48 | int simple_test() | |
49 | { | |
11fdf7f2 TL |
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; | |
7c673cae FG |
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(process_name); | |
57 | ||
58 | shared_memory_object::remove(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>("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>("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(process_name.c_str()); | |
93 | return 0; | |
94 | } | |
95 | ||
96 | int string_shared_ptr_vector_insertion_test() | |
97 | { | |
11fdf7f2 TL |
98 | typedef managed_shared_memory::segment_manager segment_mngr_t; |
99 | ||
7c673cae | 100 | //Allocator of chars |
11fdf7f2 | 101 | typedef allocator<char, segment_mngr_t> char_allocator_t; |
7c673cae FG |
102 | |
103 | //A shared memory string class | |
11fdf7f2 | 104 | typedef basic_string<char, std::char_traits<char>, char_allocator_t> string_t; |
7c673cae FG |
105 | |
106 | //A shared memory string allocator | |
11fdf7f2 | 107 | typedef allocator<string_t, segment_mngr_t> string_allocator_t; |
7c673cae FG |
108 | |
109 | //A deleter for shared_ptr<> that erases a shared memory string | |
11fdf7f2 | 110 | typedef deleter<string_t, segment_mngr_t> string_deleter_t; |
7c673cae FG |
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 | |
11fdf7f2 | 116 | typedef allocator<string_shared_ptr_t, segment_mngr_t> string_shared_ptr_allocator_t; |
7c673cae FG |
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 | |
11fdf7f2 | 122 | typedef allocator<string_weak_ptr_t, segment_mngr_t > string_weak_ptr_allocator_t; |
7c673cae FG |
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(process_name); | |
134 | ||
135 | //A shared memory managed memory classes | |
136 | shared_memory_object::remove(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 | |
11fdf7f2 | 153 | (shmem.construct<string_t>(anonymous_instance)(string_allocator), deleter); |
7c673cae FG |
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(my_sharedptr_vector.begin(), NumElements, string_shared_ptr); | |
167 | //Insert in the middle to test movability | |
168 | my_sharedptr_vector.insert(my_sharedptr_vector.begin() + my_sharedptr_vector.size()/2, NumElements, 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(my_weakptr_vector.begin(), NumElements, 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 | try{ | |
234 | string_shared_ptr_t dummy(*beg); | |
235 | //We should never reach here | |
236 | return 1; | |
237 | } | |
238 | catch(const boost::interprocess::bad_weak_ptr &){ | |
239 | success = true; | |
240 | } | |
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(process_name.c_str()); | |
256 | return 0; | |
257 | } | |
11fdf7f2 | 258 | |
7c673cae FG |
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 | |
92f5a8d4 | 276 | virtual ~X(){ --cnt; } |
7c673cae FG |
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; } | |
92f5a8d4 | 289 | virtual ~Y(){ --cnt; } |
7c673cae FG |
290 | |
291 | virtual int id() const | |
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 | { | |
11fdf7f2 TL |
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; | |
7c673cae | 403 | typedef shared_ptr<X, v_allocator_t, x_deleter_t> x_shared_ptr; |
7c673cae | 404 | typedef shared_ptr<Y, v_allocator_t, y_deleter_t> y_shared_ptr; |
7c673cae | 405 | typedef weak_ptr<X, v_allocator_t, x_deleter_t> x_weak_ptr; |
7c673cae FG |
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(process_name); | |
410 | ||
411 | shared_memory_object::remove(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>(anonymous_instance)(), v_allocator, y_deleter); | |
420 | x_shared_ptr p2(shmem.construct<X>(anonymous_instance)(), v_allocator, x_deleter); | |
421 | ||
422 | test_is_nonzero(p); | |
423 | test_is_nonzero(p2); | |
424 | test_is_Y(p); | |
425 | test_is_X(p2); | |
426 | test_ne(p, p2); | |
427 | ||
428 | { | |
429 | shared_ptr<X, v_allocator_t, y_deleter_t> q(p); | |
430 | test_eq(p, q); | |
431 | } | |
432 | ||
433 | y_shared_ptr p3 (dynamic_pointer_cast<Y>(p)); | |
434 | shared_ptr<Y, v_allocator_t, x_deleter_t> p4 (dynamic_pointer_cast<Y>(p2)); | |
435 | test_is_nonzero(p3); | |
436 | test_is_zero(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(p3); | |
441 | test_eq2(p, p3); | |
442 | test_ne2(p2, p4); | |
443 | ||
444 | shared_ptr<void, v_allocator_t, y_deleter_t> p5(p); | |
445 | ||
446 | test_is_nonzero(p5); | |
447 | test_eq2(p, 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(p2); | |
462 | test_is_zero(p3); | |
463 | test_is_zero(p4); | |
464 | ||
465 | BOOST_TEST(p5.use_count() == 1); | |
466 | BOOST_TEST(wp1.expired()); | |
467 | BOOST_TEST(wp1.use_count() == 0); | |
468 | ||
469 | try{ | |
470 | x_shared_ptr sp1(wp1); | |
471 | BOOST_ERROR("shared_ptr<X, A, D> sp1(wp1) failed to throw"); | |
472 | } | |
473 | catch(boost::interprocess::bad_weak_ptr const &) | |
474 | {} | |
475 | ||
476 | test_is_zero(wp1.lock()); | |
477 | ||
478 | weak_ptr<X, v_allocator_t, y_deleter_t> wp2 = static_pointer_cast<X>(p5); | |
479 | ||
480 | BOOST_TEST(wp2.use_count() == 1); | |
481 | test_is_Y(wp2); | |
482 | test_nonshared(wp1, 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(wp2.lock()); | |
488 | } | |
489 | ||
490 | y_weak_ptr wp3 = dynamic_pointer_cast<Y>(wp2.lock()); | |
491 | ||
492 | BOOST_TEST(wp3.use_count() == 1); | |
493 | test_shared(wp2, 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(wp2, wp4); | |
499 | ||
500 | wp1 = p2; | |
501 | test_is_zero(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>(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(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 | { | |
11fdf7f2 TL |
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; | |
7c673cae FG |
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(process_name); | |
555 | ||
556 | shared_memory_object::remove(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( 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 | (shmem.construct<int>(anonymous_instance)(), 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 | (shmem.construct<int>(anonymous_instance)(), shmem, std::nothrow)); | |
594 | } | |
595 | } | |
596 | shared_memory_object::remove(process_name.c_str()); | |
597 | } | |
598 | ||
599 | int main() | |
600 | { | |
601 | if(0 != simple_test()) | |
602 | return 1; | |
603 | ||
604 | if(0 != string_shared_ptr_vector_insertion_test()) | |
605 | return 1; | |
606 | ||
607 | if(0 != basic_shared_ptr_test()) | |
608 | return 1; | |
609 | ||
610 | test_alias(); | |
611 | } | |
612 |