unique_ptr_ctordtor.cpp 20 KB

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  1. //////////////////////////////////////////////////////////////////////////////
  2. //
  3. // (C) Copyright Howard Hinnant 2009
  4. // (C) Copyright Ion Gaztanaga 2014-2014.
  5. //
  6. // Distributed under the Boost Software License, Version 1.0.
  7. // (See accompanying file LICENSE_1_0.txt or copy at
  8. // http://www.boost.org/LICENSE_1_0.txt)
  9. //
  10. // See http://www.boost.org/libs/move for documentation.
  11. //
  12. //////////////////////////////////////////////////////////////////////////////
  13. #include <boost/move/utility_core.hpp>
  14. #include <boost/move/unique_ptr.hpp>
  15. #include <boost/static_assert.hpp>
  16. #include <boost/core/lightweight_test.hpp>
  17. //////////////////////////////////////////////
  18. //
  19. // The initial implementation of these tests
  20. // was written by Howard Hinnant.
  21. //
  22. // These test were later refactored grouping
  23. // and porting them to Boost.Move.
  24. //
  25. // Many thanks to Howard for releasing his C++03
  26. // unique_ptr implementation with such detailed
  27. // test cases.
  28. //
  29. //////////////////////////////////////////////
  30. #include "unique_ptr_test_utils_beg.hpp"
  31. namespace bml = ::boost::movelib;
  32. ////////////////////////////////
  33. // unique_ptr_dtor_null
  34. ////////////////////////////////
  35. namespace unique_ptr_dtor_null{
  36. // The deleter is not called if get() == 0
  37. void test()
  38. {
  39. //Single unique_ptr
  40. {
  41. def_constr_deleter<int> d;
  42. BOOST_TEST(d.state() == 5);
  43. {
  44. bml::unique_ptr<int, def_constr_deleter<int>&> p(0, d);
  45. BOOST_TEST(p.get() == 0);
  46. BOOST_TEST(&p.get_deleter() == &d);
  47. }
  48. BOOST_TEST(d.state() == 5);
  49. }
  50. {
  51. //Unbounded array unique_ptr
  52. def_constr_deleter<int[]> d;
  53. BOOST_TEST(d.state() == 5);
  54. {
  55. bml::unique_ptr<int[], def_constr_deleter<int[]>&> p(0, d);
  56. BOOST_TEST(p.get() == 0);
  57. BOOST_TEST(&p.get_deleter() == &d);
  58. }
  59. BOOST_TEST(d.state() == 5);
  60. }
  61. {
  62. //Bounded array unique_ptr
  63. def_constr_deleter<int[2]> d;
  64. BOOST_TEST(d.state() == 5);
  65. {
  66. bml::unique_ptr<int[2], def_constr_deleter<int[2]>&> p(0, d);
  67. BOOST_TEST(p.get() == 0);
  68. BOOST_TEST(&p.get_deleter() == &d);
  69. }
  70. BOOST_TEST(d.state() == 5);
  71. }
  72. }
  73. } //namespace unique_ptr_dtor_null{
  74. ////////////////////////////////
  75. // unique_ptr_ctor_default_delreq
  76. ////////////////////////////////
  77. namespace unique_ptr_ctor_default_delreq{
  78. // default unique_ptr ctor should only require default deleter ctor
  79. void test()
  80. {
  81. //Single unique_ptr
  82. {
  83. bml::unique_ptr<int> p;
  84. BOOST_TEST(p.get() == 0);
  85. }
  86. {
  87. bml::unique_ptr<int, def_constr_deleter<int> > p;
  88. BOOST_TEST(p.get() == 0);
  89. BOOST_TEST(p.get_deleter().state() == 5);
  90. }
  91. //Unbounded array unique_ptr
  92. {
  93. bml::unique_ptr<int[]> p;
  94. BOOST_TEST(p.get() == 0);
  95. }
  96. {
  97. bml::unique_ptr<int[], def_constr_deleter<int[]> > p;
  98. BOOST_TEST(p.get() == 0);
  99. BOOST_TEST(p.get_deleter().state() == 5);
  100. }
  101. //Unbounded array unique_ptr
  102. {
  103. bml::unique_ptr<int[]> p;
  104. BOOST_TEST(p.get() == 0);
  105. }
  106. {
  107. bml::unique_ptr<int[], def_constr_deleter<int[]> > p;
  108. BOOST_TEST(p.get() == 0);
  109. BOOST_TEST(p.get_deleter().state() == 5);
  110. }
  111. //Unbounded array unique_ptr
  112. {
  113. bml::unique_ptr<int[2]> p;
  114. BOOST_TEST(p.get() == 0);
  115. }
  116. {
  117. bml::unique_ptr<int[2], def_constr_deleter<int[2]> > p;
  118. BOOST_TEST(p.get() == 0);
  119. BOOST_TEST(p.get_deleter().state() == 5);
  120. }
  121. }
  122. } //namespace unique_ptr_ctor_default_delreq{
  123. ////////////////////////////////
  124. // unique_ptr_ctor_default_nocomplete
  125. ////////////////////////////////
  126. namespace unique_ptr_ctor_default_nocomplete{
  127. // default unique_ptr ctor shouldn't require complete type
  128. void test()
  129. {
  130. //Single unique_ptr
  131. reset_counters();
  132. {
  133. J<I> s;
  134. BOOST_TEST(s.get() == 0);
  135. }
  136. check(0);
  137. {
  138. J<I, def_constr_deleter<I> > s;
  139. BOOST_TEST(s.get() == 0);
  140. BOOST_TEST(s.get_deleter().state() == 5);
  141. }
  142. check(0);
  143. //Unbounded array unique_ptr
  144. reset_counters();
  145. {
  146. J<I[]> s;
  147. BOOST_TEST(s.get() == 0);
  148. }
  149. check(0);
  150. {
  151. J<I[], def_constr_deleter<I[]> > s;
  152. BOOST_TEST(s.get() == 0);
  153. BOOST_TEST(s.get_deleter().state() == 5);
  154. }
  155. check(0);
  156. //Bounded array unique_ptr
  157. reset_counters();
  158. {
  159. J<I[2]> s;
  160. BOOST_TEST(s.get() == 0);
  161. }
  162. check(0);
  163. {
  164. J<I[2], def_constr_deleter<I[2]> > s;
  165. BOOST_TEST(s.get() == 0);
  166. BOOST_TEST(s.get_deleter().state() == 5);
  167. }
  168. check(0);
  169. }
  170. } //namespace unique_ptr_ctor_default_nocomplete{
  171. ////////////////////////////////
  172. // unique_ptr_ctor_pointer_delreq
  173. ////////////////////////////////
  174. namespace unique_ptr_ctor_pointer_delreq{
  175. // unique_ptr(pointer) ctor should only require default deleter ctor
  176. void test()
  177. {
  178. //Single unique_ptr
  179. reset_counters();
  180. {
  181. A* p = new A;
  182. BOOST_TEST(A::count == 1);
  183. bml::unique_ptr<A> s(p);
  184. BOOST_TEST(s.get() == p);
  185. }
  186. BOOST_TEST(A::count == 0);
  187. {
  188. A* p = new A;
  189. BOOST_TEST(A::count == 1);
  190. bml::unique_ptr<A, def_constr_deleter<A> > s(p);
  191. BOOST_TEST(s.get() == p);
  192. BOOST_TEST(s.get_deleter().state() == 5);
  193. }
  194. BOOST_TEST(A::count == 0);
  195. //Unbounded array unique_ptr
  196. reset_counters();
  197. {
  198. A* p = new A[2];
  199. BOOST_TEST(A::count == 2);
  200. bml::unique_ptr<A[]> s(p);
  201. BOOST_TEST(s.get() == p);
  202. }
  203. BOOST_TEST(A::count == 0);
  204. {
  205. A* p = new A[2];
  206. BOOST_TEST(A::count == 2);
  207. bml::unique_ptr<A[], def_constr_deleter<A[]> > s(p);
  208. BOOST_TEST(s.get() == p);
  209. BOOST_TEST(s.get_deleter().state() == 5);
  210. }
  211. BOOST_TEST(A::count == 0);
  212. //Bounded array unique_ptr
  213. reset_counters();
  214. {
  215. A* p = new A[2];
  216. BOOST_TEST(A::count == 2);
  217. bml::unique_ptr<A[2]> s(p);
  218. BOOST_TEST(s.get() == p);
  219. }
  220. BOOST_TEST(A::count == 0);
  221. {
  222. A* p = new A[2];
  223. BOOST_TEST(A::count == 2);
  224. bml::unique_ptr<A[2], def_constr_deleter<A[2]> > s(p);
  225. BOOST_TEST(s.get() == p);
  226. BOOST_TEST(s.get_deleter().state() == 5);
  227. }
  228. BOOST_TEST(A::count == 0);
  229. }
  230. } //namespace unique_ptr_ctor_pointer_delreq{
  231. ////////////////////////////////
  232. // unique_ptr_ctor_pointer_nocomplete
  233. ////////////////////////////////
  234. namespace unique_ptr_ctor_pointer_nocomplete{
  235. // unique_ptr(pointer) ctor shouldn't require complete type
  236. void test()
  237. {
  238. //Single unique_ptr
  239. reset_counters();
  240. {
  241. I* p = get();
  242. check(1);
  243. J<I> s(p);
  244. BOOST_TEST(s.get() == p);
  245. }
  246. check(0);
  247. {
  248. I* p = get();
  249. check(1);
  250. J<I, def_constr_deleter<I> > s(p);
  251. BOOST_TEST(s.get() == p);
  252. BOOST_TEST(s.get_deleter().state() == 5);
  253. }
  254. check(0);
  255. //Unbounded array unique_ptr
  256. reset_counters();
  257. {
  258. I* p = get_array(2);
  259. check(2);
  260. J<I[]> s(p);
  261. BOOST_TEST(s.get() == p);
  262. }
  263. check(0);
  264. {
  265. I* p = get_array(2);
  266. check(2);
  267. J<I[], def_constr_deleter<I[]> > s(p);
  268. BOOST_TEST(s.get() == p);
  269. BOOST_TEST(s.get_deleter().state() == 5);
  270. }
  271. check(0);
  272. //Bounded array unique_ptr
  273. reset_counters();
  274. {
  275. I* p = get_array(2);
  276. check(2);
  277. J<I[]> s(p);
  278. BOOST_TEST(s.get() == p);
  279. }
  280. check(0);
  281. {
  282. I* p = get_array(2);
  283. check(2);
  284. J<I[2], def_constr_deleter<I[2]> > s(p);
  285. BOOST_TEST(s.get() == p);
  286. BOOST_TEST(s.get_deleter().state() == 5);
  287. }
  288. check(0);
  289. }
  290. } //namespace unique_ptr_ctor_pointer_nocomplete{
  291. ////////////////////////////////
  292. // unique_ptr_ctor_pointer_convert
  293. ////////////////////////////////
  294. namespace unique_ptr_ctor_pointer_convert{
  295. // unique_ptr(pointer) ctor should work with derived pointers
  296. // or same types (cv aside) for unique_ptr<arrays>
  297. void test()
  298. {
  299. //Single unique_ptr
  300. reset_counters();
  301. {
  302. B* p = new B;
  303. BOOST_TEST(A::count == 1);
  304. BOOST_TEST(B::count == 1);
  305. bml::unique_ptr<A> s(p);
  306. BOOST_TEST(s.get() == p);
  307. }
  308. BOOST_TEST(A::count == 0);
  309. BOOST_TEST(B::count == 0);
  310. {
  311. B* p = new B;
  312. BOOST_TEST(A::count == 1);
  313. BOOST_TEST(B::count == 1);
  314. bml::unique_ptr<A, def_constr_deleter<A> > s(p);
  315. BOOST_TEST(s.get() == p);
  316. BOOST_TEST(s.get_deleter().state() == 5);
  317. }
  318. BOOST_TEST(A::count == 0);
  319. BOOST_TEST(B::count == 0);
  320. //Unbounded array unique_ptr
  321. reset_counters();
  322. {
  323. A* p = new A[2];
  324. BOOST_TEST(A::count == 2);
  325. bml::unique_ptr<const A[]> s(p);
  326. BOOST_TEST(s.get() == p);
  327. }
  328. BOOST_TEST(A::count == 0);
  329. {
  330. const A* p = new const A[2];
  331. BOOST_TEST(A::count == 2);
  332. bml::unique_ptr<const volatile A[], def_constr_deleter<const volatile A[]> > s(p);
  333. BOOST_TEST(s.get() == p);
  334. BOOST_TEST(s.get_deleter().state() == 5);
  335. }
  336. BOOST_TEST(A::count == 0);
  337. //Bounded array unique_ptr
  338. reset_counters();
  339. {
  340. A* p = new A[2];
  341. BOOST_TEST(A::count == 2);
  342. bml::unique_ptr<const A[2]> s(p);
  343. BOOST_TEST(s.get() == p);
  344. }
  345. BOOST_TEST(A::count == 0);
  346. {
  347. const A* p = new const A[2];
  348. BOOST_TEST(A::count == 2);
  349. bml::unique_ptr<const volatile A[2], def_constr_deleter<const volatile A[2]> > s(p);
  350. BOOST_TEST(s.get() == p);
  351. BOOST_TEST(s.get_deleter().state() == 5);
  352. }
  353. BOOST_TEST(A::count == 0);
  354. }
  355. } //namespace unique_ptr_ctor_pointer_convert{
  356. ////////////////////////////////
  357. // unique_ptr_ctor_pointer_deleter_movedel
  358. ////////////////////////////////
  359. namespace unique_ptr_ctor_pointer_deleter_movedel{
  360. // test move ctor. Should only require a MoveConstructible deleter, or if
  361. // deleter is a reference, not even that.
  362. // unique_ptr(pointer, deleter()) only requires MoveConstructible deleter
  363. void test()
  364. {
  365. //Single unique_ptr
  366. reset_counters();
  367. {
  368. A* p = new A;
  369. BOOST_TEST(A::count == 1);
  370. move_constr_deleter<A> d;
  371. bml::unique_ptr<A, move_constr_deleter<A> > s(p, ::boost::move(d));
  372. BOOST_TEST(s.get() == p);
  373. BOOST_TEST(s.get_deleter().state() == 5);
  374. bml::unique_ptr<A, move_constr_deleter<A> > s2(s.release(), move_constr_deleter<A>(6));
  375. BOOST_TEST(s2.get() == p);
  376. BOOST_TEST(s2.get_deleter().state() == 6);
  377. }
  378. BOOST_TEST(A::count == 0);
  379. //Unbounded array unique_ptr
  380. reset_counters();
  381. {
  382. A* p = new A[2];
  383. BOOST_TEST(A::count == 2);
  384. move_constr_deleter<A[]> d;
  385. bml::unique_ptr<A[], move_constr_deleter<A[]> > s(p, ::boost::move(d));
  386. BOOST_TEST(s.get() == p);
  387. BOOST_TEST(s.get_deleter().state() == 5);
  388. bml::unique_ptr<A[], move_constr_deleter<A[]> > s2(s.release(), move_constr_deleter<A[]>(6));
  389. BOOST_TEST(s2.get() == p);
  390. BOOST_TEST(s2.get_deleter().state() == 6);
  391. }
  392. BOOST_TEST(A::count == 0);
  393. //Bounded array unique_ptr
  394. reset_counters();
  395. {
  396. A* p = new A[2];
  397. BOOST_TEST(A::count == 2);
  398. move_constr_deleter<A[2]> d;
  399. bml::unique_ptr<A[2], move_constr_deleter<A[2]> > s(p, ::boost::move(d));
  400. BOOST_TEST(s.get() == p);
  401. BOOST_TEST(s.get_deleter().state() == 5);
  402. bml::unique_ptr<A[2], move_constr_deleter<A[2]> > s2(s.release(), move_constr_deleter<A[2]>(6));
  403. BOOST_TEST(s2.get() == p);
  404. BOOST_TEST(s2.get_deleter().state() == 6);
  405. }
  406. BOOST_TEST(A::count == 0);
  407. }
  408. } //namespace unique_ptr_ctor_pointer_deleter_movedel{
  409. ////////////////////////////////
  410. // unique_ptr_ctor_pointer_deleter_copydel
  411. ////////////////////////////////
  412. namespace unique_ptr_ctor_pointer_deleter_copydel{
  413. // unique_ptr(pointer, d) requires CopyConstructible deleter
  414. void test()
  415. {
  416. //Single unique_ptr
  417. reset_counters();
  418. {
  419. A* p = new A;
  420. BOOST_TEST(A::count == 1);
  421. copy_constr_deleter<A> d;
  422. bml::unique_ptr<A, copy_constr_deleter<A> > s(p, d);
  423. BOOST_TEST(s.get() == p);
  424. BOOST_TEST(s.get_deleter().state() == 5);
  425. d.set_state(6);
  426. BOOST_TEST(s.get_deleter().state() == 5);
  427. }
  428. BOOST_TEST(A::count == 0);
  429. //Unbounded array unique_ptr
  430. reset_counters();
  431. {
  432. A* p = new A[2];
  433. BOOST_TEST(A::count == 2);
  434. copy_constr_deleter<A[]> d;
  435. bml::unique_ptr<A[], copy_constr_deleter<A[]> > s(p, d);
  436. BOOST_TEST(s.get() == p);
  437. BOOST_TEST(s.get_deleter().state() == 5);
  438. d.set_state(6);
  439. BOOST_TEST(s.get_deleter().state() == 5);
  440. }
  441. BOOST_TEST(A::count == 0);
  442. //Bounded array unique_ptr
  443. reset_counters();
  444. {
  445. A* p = new A[2];
  446. BOOST_TEST(A::count == 2);
  447. copy_constr_deleter<A[2]> d;
  448. bml::unique_ptr<A[2], copy_constr_deleter<A[2]> > s(p, d);
  449. BOOST_TEST(s.get() == p);
  450. BOOST_TEST(s.get_deleter().state() == 5);
  451. d.set_state(6);
  452. BOOST_TEST(s.get_deleter().state() == 5);
  453. }
  454. BOOST_TEST(A::count == 0);
  455. }
  456. } //namespace unique_ptr_ctor_pointer_deleter_copydel{
  457. ////////////////////////////////
  458. // unique_ptr_ctor_pointer_deleter_dfctrdelref
  459. ////////////////////////////////
  460. namespace unique_ptr_ctor_pointer_deleter_dfctrdelref{
  461. // unique_ptr<T, D&>(pointer, d) does not requires CopyConstructible deleter
  462. void test()
  463. {
  464. //Single unique_ptr
  465. reset_counters();
  466. {
  467. A* p = new A;
  468. BOOST_TEST(A::count == 1);
  469. def_constr_deleter<A> d;
  470. bml::unique_ptr<A, def_constr_deleter<A>&> s(p, d);
  471. BOOST_TEST(s.get() == p);
  472. BOOST_TEST(s.get_deleter().state() == 5);
  473. d.set_state(6);
  474. BOOST_TEST(s.get_deleter().state() == 6);
  475. }
  476. BOOST_TEST(A::count == 0);
  477. //Unbounded array unique_ptr
  478. reset_counters();
  479. {
  480. A* p = new A[2];
  481. BOOST_TEST(A::count == 2);
  482. def_constr_deleter<A[]> d;
  483. bml::unique_ptr<A[], def_constr_deleter<A[]>&> s(p, d);
  484. BOOST_TEST(s.get() == p);
  485. BOOST_TEST(s.get_deleter().state() == 5);
  486. d.set_state(6);
  487. BOOST_TEST(s.get_deleter().state() == 6);
  488. }
  489. BOOST_TEST(A::count == 0);
  490. //Bounded array unique_ptr
  491. reset_counters();
  492. {
  493. A* p = new A[2];
  494. BOOST_TEST(A::count == 2);
  495. def_constr_deleter<A[2]> d;
  496. bml::unique_ptr<A[2], def_constr_deleter<A[2]>&> s(p, d);
  497. BOOST_TEST(s.get() == p);
  498. BOOST_TEST(s.get_deleter().state() == 5);
  499. d.set_state(6);
  500. BOOST_TEST(s.get_deleter().state() == 6);
  501. }
  502. BOOST_TEST(A::count == 0);
  503. }
  504. } //namespace unique_ptr_ctor_pointer_deleter_dfctrdelref{
  505. ////////////////////////////////
  506. // unique_ptr_ctor_pointer_deleter_dfctrdelconstref
  507. ////////////////////////////////
  508. namespace unique_ptr_ctor_pointer_deleter_dfctrdelconstref{
  509. // unique_ptr<T, const D&>(pointer, d) does not requires CopyConstructible deleter
  510. void test()
  511. {
  512. //Single unique_ptr
  513. reset_counters();
  514. {
  515. A* p = new A;
  516. BOOST_TEST(A::count == 1);
  517. def_constr_deleter<A> d;
  518. bml::unique_ptr<A, const def_constr_deleter<A>&> s(p, d);
  519. BOOST_TEST(s.get() == p);
  520. BOOST_TEST(s.get_deleter().state() == 5);
  521. }
  522. BOOST_TEST(A::count == 0);
  523. //Unbounded array unique_ptr
  524. reset_counters();
  525. {
  526. A* p = new A[2];
  527. BOOST_TEST(A::count == 2);
  528. def_constr_deleter<A[]> d;
  529. bml::unique_ptr<A[], const def_constr_deleter<A[]>&> s(p, d);
  530. BOOST_TEST(s.get() == p);
  531. BOOST_TEST(s.get_deleter().state() == 5);
  532. }
  533. BOOST_TEST(A::count == 0);
  534. //Bounded array unique_ptr
  535. reset_counters();
  536. {
  537. A* p = new A[2];
  538. BOOST_TEST(A::count == 2);
  539. def_constr_deleter<A[2]> d;
  540. bml::unique_ptr<A[2], const def_constr_deleter<A[2]>&> s(p, d);
  541. BOOST_TEST(s.get() == p);
  542. BOOST_TEST(s.get_deleter().state() == 5);
  543. }
  544. BOOST_TEST(A::count == 0);
  545. }
  546. } //namespace unique_ptr_ctor_pointer_deleter_dfctrdelconstref{
  547. ////////////////////////////////
  548. // unique_ptr_ctor_pointer_deleter_convert
  549. ////////////////////////////////
  550. namespace unique_ptr_ctor_pointer_deleter_convert{
  551. // unique_ptr(pointer, deleter) should work with derived pointers
  552. // or same (cv aside) types for array unique_ptrs
  553. void test()
  554. {
  555. //Single unique_ptr
  556. reset_counters();
  557. {
  558. B* p = new B;
  559. BOOST_TEST(A::count == 1);
  560. BOOST_TEST(B::count == 1);
  561. bml::unique_ptr<A, copy_constr_deleter<A> > s(p, copy_constr_deleter<A>());
  562. BOOST_TEST(s.get() == p);
  563. BOOST_TEST(s.get_deleter().state() == 5);
  564. }
  565. BOOST_TEST(A::count == 0);
  566. BOOST_TEST(B::count == 0);
  567. //Unbounded array unique_ptr
  568. reset_counters();
  569. {
  570. A* p = new A[2];
  571. BOOST_TEST(A::count == 2);
  572. bml::unique_ptr<const A[], copy_constr_deleter<const A[]> > s(p, copy_constr_deleter<const A[]>());
  573. BOOST_TEST(s.get() == p);
  574. BOOST_TEST(s.get_deleter().state() == 5);
  575. }
  576. BOOST_TEST(A::count == 0);
  577. BOOST_TEST(B::count == 0);
  578. //Bounded array unique_ptr
  579. reset_counters();
  580. {
  581. A* p = new A[2];
  582. BOOST_TEST(A::count == 2);
  583. bml::unique_ptr<const A[2], copy_constr_deleter<const A[2]> > s(p, copy_constr_deleter<const A[2]>());
  584. BOOST_TEST(s.get() == p);
  585. BOOST_TEST(s.get_deleter().state() == 5);
  586. }
  587. BOOST_TEST(A::count == 0);
  588. BOOST_TEST(B::count == 0);
  589. }
  590. } //namespace unique_ptr_ctor_pointer_deleter_convert{
  591. ////////////////////////////////
  592. // unique_ptr_ctor_pointer_deleter_void
  593. ////////////////////////////////
  594. namespace unique_ptr_ctor_pointer_deleter_void{
  595. // unique_ptr(pointer, deleter) should work with function pointers
  596. // unique_ptr<void> should work
  597. bool my_free_called = false;
  598. void my_free(void*)
  599. {
  600. my_free_called = true;
  601. }
  602. void test()
  603. {
  604. {
  605. int i = 0;
  606. bml::unique_ptr<void, void (*)(void*)> s(&i, my_free);
  607. BOOST_TEST(s.get() == &i);
  608. BOOST_TEST(s.get_deleter() == my_free);
  609. BOOST_TEST(!my_free_called);
  610. }
  611. BOOST_TEST(my_free_called);
  612. }
  613. } //namespace unique_ptr_ctor_pointer_deleter_void{
  614. ////////////////////////////////
  615. // return_unique_single_conversion
  616. ////////////////////////////////
  617. namespace return_unique_single_conversion{
  618. template<class T>
  619. bml::unique_ptr<T> make_unique_ptr_of_t()
  620. {
  621. return bml::unique_ptr<T>(new T);
  622. }
  623. template<class T>
  624. bml::unique_ptr<T const> return_const_unique_of_t()
  625. {
  626. return bml::unique_ptr<T const> (make_unique_ptr_of_t<T>());
  627. }
  628. void test()
  629. {
  630. reset_counters();
  631. BOOST_TEST(A::count == 0);
  632. {
  633. bml::unique_ptr<const A> p(return_const_unique_of_t<A>());
  634. BOOST_TEST(A::count == 1);
  635. BOOST_TEST(B::count == 0);
  636. }
  637. BOOST_TEST(A::count == 0);
  638. {
  639. bml::unique_ptr<const A> p(return_const_unique_of_t<B>());
  640. BOOST_TEST(A::count == 1);
  641. BOOST_TEST(B::count == 1);
  642. }
  643. BOOST_TEST(A::count == 0);
  644. }
  645. } //namespace return_unique_single_conversion{
  646. ////////////////////////////////
  647. // return_unique_array_conversion
  648. ////////////////////////////////
  649. namespace return_unique_array_conversion{
  650. template<class T>
  651. bml::unique_ptr<T[]> return_unique_array_of_t(std::size_t n)
  652. {
  653. return bml::unique_ptr<T[]>(new T[n]);
  654. }
  655. template<class T>
  656. bml::unique_ptr<const T[]> return_const_array_of_t(std::size_t n)
  657. {
  658. return bml::unique_ptr<const T[]>(return_unique_array_of_t<T>(n));
  659. }
  660. template<class T>
  661. bml::unique_ptr<T[2]> return_unique_array_of_t_2()
  662. {
  663. return bml::unique_ptr<T[2]>(new T[2]);
  664. }
  665. template<class T>
  666. bml::unique_ptr<const T[2]> return_const_array_of_t_2()
  667. {
  668. return bml::unique_ptr<const T[2]>(return_unique_array_of_t_2<T>());
  669. }
  670. void test()
  671. {
  672. reset_counters();
  673. BOOST_TEST(A::count == 0);
  674. {
  675. bml::unique_ptr<const A[]> p(return_unique_array_of_t<A>(2));
  676. BOOST_TEST(A::count == 2);
  677. BOOST_TEST(B::count == 0);
  678. }
  679. BOOST_TEST(A::count == 0);
  680. {
  681. bml::unique_ptr<const volatile A[]> p(return_unique_array_of_t<volatile A>(2));
  682. BOOST_TEST(A::count == 2);
  683. BOOST_TEST(B::count == 0);
  684. }
  685. BOOST_TEST(A::count == 0);
  686. {
  687. bml::unique_ptr<const volatile A[2]> p(return_const_array_of_t_2<A>());
  688. BOOST_TEST(A::count == 2);
  689. BOOST_TEST(B::count == 0);
  690. }
  691. BOOST_TEST(A::count == 0);
  692. {
  693. bml::unique_ptr<const volatile A[]> p(return_const_array_of_t_2<A>());
  694. BOOST_TEST(A::count == 2);
  695. BOOST_TEST(B::count == 0);
  696. }
  697. BOOST_TEST(A::count == 0);
  698. }
  699. } //namespace return_unique_array_conversion{
  700. ////////////////////////////////
  701. // main
  702. ////////////////////////////////
  703. int main()
  704. {
  705. //Constructors/Destructor
  706. unique_ptr_dtor_null::test();
  707. unique_ptr_ctor_default_delreq::test();
  708. unique_ptr_ctor_default_nocomplete::test();
  709. unique_ptr_ctor_pointer_delreq::test();
  710. unique_ptr_ctor_pointer_nocomplete::test();
  711. unique_ptr_ctor_pointer_convert::test();
  712. unique_ptr_ctor_pointer_deleter_movedel::test();
  713. unique_ptr_ctor_pointer_deleter_copydel::test();
  714. unique_ptr_ctor_pointer_deleter_dfctrdelref::test();
  715. unique_ptr_ctor_pointer_deleter_dfctrdelconstref::test();
  716. unique_ptr_ctor_pointer_deleter_convert::test();
  717. unique_ptr_ctor_pointer_deleter_void::test();
  718. return_unique_single_conversion::test();
  719. return_unique_array_conversion::test();
  720. //Test results
  721. return boost::report_errors();
  722. }
  723. #include "unique_ptr_test_utils_end.hpp"