buffer.cpp 25 KB

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  1. //
  2. // buffer.cpp
  3. // ~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  6. //
  7. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  8. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  9. //
  10. // Disable autolinking for unit tests.
  11. #if !defined(BOOST_ALL_NO_LIB)
  12. #define BOOST_ALL_NO_LIB 1
  13. #endif // !defined(BOOST_ALL_NO_LIB)
  14. // Test that header file is self-contained.
  15. #include <boost/asio/buffer.hpp>
  16. #include "unit_test.hpp"
  17. #if defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  18. # include <boost/array.hpp>
  19. #endif // defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  20. #if defined(BOOST_ASIO_HAS_STD_ARRAY)
  21. # include <array>
  22. #endif // defined(BOOST_ASIO_HAS_STD_ARRAY)
  23. //------------------------------------------------------------------------------
  24. // buffer_compile test
  25. // ~~~~~~~~~~~~~~~~~~~
  26. // The following test checks that all overloads of the buffer function compile
  27. // and link correctly. Runtime failures are ignored.
  28. namespace buffer_compile {
  29. using namespace boost::asio;
  30. void test()
  31. {
  32. try
  33. {
  34. char raw_data[1024];
  35. const char const_raw_data[1024] = "";
  36. void* void_ptr_data = raw_data;
  37. const void* const_void_ptr_data = const_raw_data;
  38. #if defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  39. boost::array<char, 1024> array_data;
  40. const boost::array<char, 1024>& const_array_data_1 = array_data;
  41. boost::array<const char, 1024> const_array_data_2 = { { 0 } };
  42. #endif // defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  43. #if defined(BOOST_ASIO_HAS_STD_ARRAY)
  44. std::array<char, 1024> std_array_data;
  45. const std::array<char, 1024>& const_std_array_data_1 = std_array_data;
  46. std::array<const char, 1024> const_std_array_data_2 = { { 0 } };
  47. #endif // defined(BOOST_ASIO_HAS_STD_ARRAY)
  48. std::vector<char> vector_data(1024);
  49. const std::vector<char>& const_vector_data = vector_data;
  50. std::string string_data(1024, ' ');
  51. const std::string const_string_data(1024, ' ');
  52. std::vector<mutable_buffer> mutable_buffer_sequence;
  53. std::vector<const_buffer> const_buffer_sequence;
  54. #if defined(BOOST_ASIO_HAS_STD_STRING_VIEW)
  55. std::string_view string_view_data(string_data);
  56. #elif defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
  57. std::experimental::string_view string_view_data(string_data);
  58. #endif // defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
  59. // mutable_buffer constructors.
  60. mutable_buffer mb1;
  61. mutable_buffer mb2(void_ptr_data, 1024);
  62. mutable_buffer mb3(mb1);
  63. (void)mb3;
  64. // mutable_buffer functions.
  65. void* ptr1 = mb1.data();
  66. (void)ptr1;
  67. std::size_t n1 = mb1.size();
  68. (void)n1;
  69. // mutable_buffer operators.
  70. mb1 += 128;
  71. mb1 = mb2 + 128;
  72. mb1 = 128 + mb2;
  73. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  74. // mutable_buffers_1 constructors.
  75. mutable_buffers_1 mbc1(mb1);
  76. mutable_buffers_1 mbc2(mbc1);
  77. // mutable_buffers_1 functions.
  78. mutable_buffers_1::const_iterator iter1 = mbc1.begin();
  79. (void)iter1;
  80. mutable_buffers_1::const_iterator iter2 = mbc1.end();
  81. (void)iter2;
  82. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  83. // const_buffer constructors.
  84. const_buffer cb1;
  85. const_buffer cb2(const_void_ptr_data, 1024);
  86. const_buffer cb3(cb1);
  87. (void)cb3;
  88. const_buffer cb4(mb1);
  89. (void)cb4;
  90. // const_buffer functions.
  91. const void* ptr2 = cb1.data();
  92. (void)ptr2;
  93. std::size_t n2 = cb1.size();
  94. (void)n2;
  95. // const_buffer operators.
  96. cb1 += 128;
  97. cb1 = cb2 + 128;
  98. cb1 = 128 + cb2;
  99. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  100. // const_buffers_1 constructors.
  101. const_buffers_1 cbc1(cb1);
  102. const_buffers_1 cbc2(cbc1);
  103. // const_buffers_1 functions.
  104. const_buffers_1::const_iterator iter3 = cbc1.begin();
  105. (void)iter3;
  106. const_buffers_1::const_iterator iter4 = cbc1.end();
  107. (void)iter4;
  108. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  109. // buffer_size function overloads.
  110. std::size_t size1 = buffer_size(mb1);
  111. (void)size1;
  112. std::size_t size2 = buffer_size(cb1);
  113. (void)size2;
  114. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  115. std::size_t size3 = buffer_size(mbc1);
  116. (void)size3;
  117. std::size_t size4 = buffer_size(cbc1);
  118. (void)size4;
  119. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  120. std::size_t size5 = buffer_size(mutable_buffer_sequence);
  121. (void)size5;
  122. std::size_t size6 = buffer_size(const_buffer_sequence);
  123. (void)size6;
  124. // buffer_cast function overloads.
  125. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  126. void* ptr3 = buffer_cast<void*>(mb1);
  127. (void)ptr3;
  128. const void* ptr4 = buffer_cast<const void*>(cb1);
  129. (void)ptr4;
  130. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  131. // buffer function overloads.
  132. mb1 = buffer(mb2);
  133. mb1 = buffer(mb2, 128);
  134. cb1 = buffer(cb2);
  135. cb1 = buffer(cb2, 128);
  136. mb1 = buffer(void_ptr_data, 1024);
  137. cb1 = buffer(const_void_ptr_data, 1024);
  138. mb1 = buffer(raw_data);
  139. mb1 = buffer(raw_data, 1024);
  140. cb1 = buffer(const_raw_data);
  141. cb1 = buffer(const_raw_data, 1024);
  142. #if defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  143. mb1 = buffer(array_data);
  144. mb1 = buffer(array_data, 1024);
  145. cb1 = buffer(const_array_data_1);
  146. cb1 = buffer(const_array_data_1, 1024);
  147. cb1 = buffer(const_array_data_2);
  148. cb1 = buffer(const_array_data_2, 1024);
  149. #endif // defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  150. #if defined(BOOST_ASIO_HAS_STD_ARRAY)
  151. mb1 = buffer(std_array_data);
  152. mb1 = buffer(std_array_data, 1024);
  153. cb1 = buffer(const_std_array_data_1);
  154. cb1 = buffer(const_std_array_data_1, 1024);
  155. cb1 = buffer(const_std_array_data_2);
  156. cb1 = buffer(const_std_array_data_2, 1024);
  157. #endif // defined(BOOST_ASIO_HAS_STD_ARRAY)
  158. mb1 = buffer(vector_data);
  159. mb1 = buffer(vector_data, 1024);
  160. cb1 = buffer(const_vector_data);
  161. cb1 = buffer(const_vector_data, 1024);
  162. mb1 = buffer(string_data);
  163. mb1 = buffer(string_data, 1024);
  164. cb1 = buffer(const_string_data);
  165. cb1 = buffer(const_string_data, 1024);
  166. #if defined(BOOST_ASIO_HAS_STRING_VIEW)
  167. cb1 = buffer(string_view_data);
  168. cb1 = buffer(string_view_data, 1024);
  169. #endif // defined(BOOST_ASIO_HAS_STRING_VIEW)
  170. // buffer_copy function overloads.
  171. std::size_t size7 = buffer_copy(mb1, cb2);
  172. (void)size7;
  173. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  174. std::size_t size8 = buffer_copy(mb1, cbc2);
  175. (void)size8;
  176. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  177. std::size_t size9 = buffer_copy(mb1, mb2);
  178. (void)size9;
  179. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  180. std::size_t size10 = buffer_copy(mb1, mbc2);
  181. (void)size10;
  182. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  183. std::size_t size11 = buffer_copy(mb1, const_buffer_sequence);
  184. (void)size11;
  185. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  186. std::size_t size12 = buffer_copy(mbc1, cb2);
  187. (void)size12;
  188. std::size_t size13 = buffer_copy(mbc1, cbc2);
  189. (void)size13;
  190. std::size_t size14 = buffer_copy(mbc1, mb2);
  191. (void)size14;
  192. std::size_t size15 = buffer_copy(mbc1, mbc2);
  193. (void)size15;
  194. std::size_t size16 = buffer_copy(mbc1, const_buffer_sequence);
  195. (void)size16;
  196. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  197. std::size_t size17 = buffer_copy(mutable_buffer_sequence, cb2);
  198. (void)size17;
  199. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  200. std::size_t size18 = buffer_copy(mutable_buffer_sequence, cbc2);
  201. (void)size18;
  202. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  203. std::size_t size19 = buffer_copy(mutable_buffer_sequence, mb2);
  204. (void)size19;
  205. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  206. std::size_t size20 = buffer_copy(mutable_buffer_sequence, mbc2);
  207. (void)size20;
  208. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  209. std::size_t size21 = buffer_copy(
  210. mutable_buffer_sequence, const_buffer_sequence);
  211. (void)size21;
  212. std::size_t size22 = buffer_copy(mb1, cb2, 128);
  213. (void)size22;
  214. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  215. std::size_t size23 = buffer_copy(mb1, cbc2, 128);
  216. (void)size23;
  217. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  218. std::size_t size24 = buffer_copy(mb1, mb2, 128);
  219. (void)size24;
  220. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  221. std::size_t size25 = buffer_copy(mb1, mbc2, 128);
  222. (void)size25;
  223. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  224. std::size_t size26 = buffer_copy(mb1, const_buffer_sequence, 128);
  225. (void)size26;
  226. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  227. std::size_t size27 = buffer_copy(mbc1, cb2, 128);
  228. (void)size27;
  229. std::size_t size28 = buffer_copy(mbc1, cbc2, 128);
  230. (void)size28;
  231. std::size_t size29 = buffer_copy(mbc1, mb2, 128);
  232. (void)size29;
  233. std::size_t size30 = buffer_copy(mbc1, mbc2, 128);
  234. (void)size30;
  235. std::size_t size31 = buffer_copy(mbc1, const_buffer_sequence, 128);
  236. (void)size31;
  237. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  238. std::size_t size32 = buffer_copy(mutable_buffer_sequence, cb2, 128);
  239. (void)size32;
  240. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  241. std::size_t size33 = buffer_copy(mutable_buffer_sequence, cbc2, 128);
  242. (void)size33;
  243. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  244. std::size_t size34 = buffer_copy(mutable_buffer_sequence, mb2, 128);
  245. (void)size34;
  246. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  247. std::size_t size35 = buffer_copy(mutable_buffer_sequence, mbc2, 128);
  248. (void)size35;
  249. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  250. std::size_t size36 = buffer_copy(
  251. mutable_buffer_sequence, const_buffer_sequence, 128);
  252. (void)size36;
  253. // dynamic_buffer function overloads.
  254. dynamic_string_buffer<char, std::string::traits_type,
  255. std::string::allocator_type> db1 = dynamic_buffer(string_data);
  256. (void)db1;
  257. dynamic_string_buffer<char, std::string::traits_type,
  258. std::string::allocator_type> db2 = dynamic_buffer(string_data, 1024);
  259. (void)db2;
  260. dynamic_vector_buffer<char, std::allocator<char> >
  261. db3 = dynamic_buffer(vector_data);
  262. (void)db3;
  263. dynamic_vector_buffer<char, std::allocator<char> >
  264. db4 = dynamic_buffer(vector_data, 1024);
  265. (void)db4;
  266. // dynamic_buffer member functions.
  267. std::size_t size37 = db1.size();
  268. (void)size37;
  269. std::size_t size38 = db3.size();
  270. (void)size38;
  271. std::size_t size39 = db1.max_size();
  272. (void)size39;
  273. std::size_t size40 = db3.max_size();
  274. (void)size40;
  275. #if !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)
  276. dynamic_string_buffer<char, std::string::traits_type,
  277. std::string::allocator_type>::const_buffers_type
  278. cb5 = db1.data();
  279. (void)cb5;
  280. dynamic_vector_buffer<char, std::allocator<char> >::const_buffers_type
  281. cb6 = db3.data();
  282. (void)cb6;
  283. dynamic_string_buffer<char, std::string::traits_type,
  284. std::string::allocator_type>::mutable_buffers_type mb5
  285. = db1.prepare(1024);
  286. (void)mb5;
  287. dynamic_vector_buffer<char, std::allocator<char> >::mutable_buffers_type
  288. mb6 = db3.prepare(1024);
  289. (void)mb6;
  290. db1.commit(1024);
  291. db3.commit(1024);
  292. #endif // !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)
  293. dynamic_string_buffer<char, std::string::traits_type,
  294. std::string::allocator_type>::mutable_buffers_type
  295. mb7 = db1.data(0, 1);
  296. (void)mb7;
  297. dynamic_vector_buffer<char, std::allocator<char> >::mutable_buffers_type
  298. mb8 = db3.data(0, 1);
  299. (void)mb8;
  300. dynamic_string_buffer<char, std::string::traits_type,
  301. std::string::allocator_type>::const_buffers_type
  302. cb7 = static_cast<const dynamic_string_buffer<char,
  303. std::string::traits_type,
  304. std::string::allocator_type>&>(db1).data(0, 1);
  305. (void)cb7;
  306. dynamic_vector_buffer<char, std::allocator<char> >::const_buffers_type
  307. cb8 = static_cast<const dynamic_vector_buffer<char,
  308. std::allocator<char> >&>(db3).data(0, 1);
  309. (void)cb8;
  310. db1.grow(1024);
  311. db3.grow(1024);
  312. db1.shrink(1024);
  313. db3.shrink(1024);
  314. db1.consume(0);
  315. db3.consume(0);
  316. }
  317. catch (std::exception&)
  318. {
  319. }
  320. }
  321. } // namespace buffer_compile
  322. //------------------------------------------------------------------------------
  323. namespace buffer_copy_runtime {
  324. using namespace boost::asio;
  325. using namespace std;
  326. void test()
  327. {
  328. char dest_data[256];
  329. char source_data[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
  330. memset(dest_data, 0, sizeof(dest_data));
  331. mutable_buffer mb1 = boost::asio::buffer(dest_data);
  332. mutable_buffer mb2 = boost::asio::buffer(source_data);
  333. std::size_t n = buffer_copy(mb1, mb2);
  334. BOOST_ASIO_CHECK(n == sizeof(source_data));
  335. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  336. memset(dest_data, 0, sizeof(dest_data));
  337. mb1 = boost::asio::buffer(dest_data);
  338. const_buffer cb1 = boost::asio::buffer(source_data);
  339. n = buffer_copy(mb1, cb1);
  340. BOOST_ASIO_CHECK(n == sizeof(source_data));
  341. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  342. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  343. memset(dest_data, 0, sizeof(dest_data));
  344. mb1 = boost::asio::buffer(dest_data);
  345. mutable_buffers_1 mbc1 = boost::asio::buffer(source_data);
  346. n = buffer_copy(mb1, mbc1);
  347. BOOST_ASIO_CHECK(n == sizeof(source_data));
  348. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  349. memset(dest_data, 0, sizeof(dest_data));
  350. mb1 = boost::asio::buffer(dest_data);
  351. const_buffers_1 cbc1 = const_buffers_1(boost::asio::buffer(source_data));
  352. n = buffer_copy(mb1, cbc1);
  353. BOOST_ASIO_CHECK(n == sizeof(source_data));
  354. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  355. memset(dest_data, 0, sizeof(dest_data));
  356. mbc1 = boost::asio::buffer(dest_data);
  357. mb1 = boost::asio::buffer(source_data);
  358. n = buffer_copy(mbc1, mb1);
  359. BOOST_ASIO_CHECK(n == sizeof(source_data));
  360. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  361. memset(dest_data, 0, sizeof(dest_data));
  362. mbc1 = boost::asio::buffer(dest_data);
  363. cb1 = boost::asio::buffer(source_data);
  364. n = buffer_copy(mbc1, cb1);
  365. BOOST_ASIO_CHECK(n == sizeof(source_data));
  366. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  367. memset(dest_data, 0, sizeof(dest_data));
  368. mbc1 = boost::asio::buffer(dest_data);
  369. mutable_buffers_1 mbc2 = boost::asio::buffer(source_data);
  370. n = buffer_copy(mbc1, mbc2);
  371. BOOST_ASIO_CHECK(n == sizeof(source_data));
  372. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  373. memset(dest_data, 0, sizeof(dest_data));
  374. mbc1 = boost::asio::buffer(dest_data);
  375. cbc1 = const_buffers_1(boost::asio::buffer(source_data));
  376. n = buffer_copy(mbc1, cbc1);
  377. BOOST_ASIO_CHECK(n == sizeof(source_data));
  378. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  379. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  380. memset(dest_data, 0, sizeof(dest_data));
  381. mb1 = boost::asio::buffer(dest_data);
  382. std::vector<mutable_buffer> mv1;
  383. mv1.push_back(boost::asio::buffer(source_data, 5));
  384. mv1.push_back(boost::asio::buffer(source_data) + 5);
  385. n = buffer_copy(mb1, mv1);
  386. BOOST_ASIO_CHECK(n == sizeof(source_data));
  387. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  388. memset(dest_data, 0, sizeof(dest_data));
  389. mb1 = boost::asio::buffer(dest_data);
  390. std::vector<const_buffer> cv1;
  391. cv1.push_back(boost::asio::buffer(source_data, 6));
  392. cv1.push_back(boost::asio::buffer(source_data) + 6);
  393. n = buffer_copy(mb1, cv1);
  394. BOOST_ASIO_CHECK(n == sizeof(source_data));
  395. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  396. memset(dest_data, 0, sizeof(dest_data));
  397. mv1.clear();
  398. mv1.push_back(boost::asio::buffer(dest_data, 7));
  399. mv1.push_back(boost::asio::buffer(dest_data) + 7);
  400. cb1 = boost::asio::buffer(source_data);
  401. n = buffer_copy(mv1, cb1);
  402. BOOST_ASIO_CHECK(n == sizeof(source_data));
  403. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  404. memset(dest_data, 0, sizeof(dest_data));
  405. mv1.clear();
  406. mv1.push_back(boost::asio::buffer(dest_data, 7));
  407. mv1.push_back(boost::asio::buffer(dest_data) + 7);
  408. cv1.clear();
  409. cv1.push_back(boost::asio::buffer(source_data, 8));
  410. cv1.push_back(boost::asio::buffer(source_data) + 8);
  411. n = buffer_copy(mv1, cv1);
  412. BOOST_ASIO_CHECK(n == sizeof(source_data));
  413. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  414. memset(dest_data, 0, sizeof(dest_data));
  415. mb1 = boost::asio::buffer(dest_data);
  416. mb2 = boost::asio::buffer(source_data);
  417. n = buffer_copy(mb1, mb2, 10);
  418. BOOST_ASIO_CHECK(n == 10);
  419. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  420. memset(dest_data, 0, sizeof(dest_data));
  421. mb1 = boost::asio::buffer(dest_data);
  422. cb1 = boost::asio::buffer(source_data);
  423. n = buffer_copy(mb1, cb1, 10);
  424. BOOST_ASIO_CHECK(n == 10);
  425. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  426. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  427. memset(dest_data, 0, sizeof(dest_data));
  428. mb1 = boost::asio::buffer(dest_data);
  429. mbc1 = boost::asio::buffer(source_data);
  430. n = buffer_copy(mb1, mbc1, 10);
  431. BOOST_ASIO_CHECK(n == 10);
  432. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  433. memset(dest_data, 0, sizeof(dest_data));
  434. mb1 = boost::asio::buffer(dest_data);
  435. cbc1 = const_buffers_1(boost::asio::buffer(source_data));
  436. n = buffer_copy(mb1, cbc1, 10);
  437. BOOST_ASIO_CHECK(n == 10);
  438. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  439. memset(dest_data, 0, sizeof(dest_data));
  440. mbc1 = boost::asio::buffer(dest_data);
  441. mb1 = boost::asio::buffer(source_data);
  442. n = buffer_copy(mbc1, mb1, 10);
  443. BOOST_ASIO_CHECK(n == 10);
  444. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  445. memset(dest_data, 0, sizeof(dest_data));
  446. mbc1 = boost::asio::buffer(dest_data);
  447. cb1 = boost::asio::buffer(source_data);
  448. n = buffer_copy(mbc1, cb1, 10);
  449. BOOST_ASIO_CHECK(n == 10);
  450. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  451. memset(dest_data, 0, sizeof(dest_data));
  452. mbc1 = boost::asio::buffer(dest_data);
  453. mbc2 = boost::asio::buffer(source_data);
  454. n = buffer_copy(mbc1, mbc2, 10);
  455. BOOST_ASIO_CHECK(n == 10);
  456. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  457. memset(dest_data, 0, sizeof(dest_data));
  458. mbc1 = boost::asio::buffer(dest_data);
  459. cbc1 = const_buffers_1(boost::asio::buffer(source_data));
  460. n = buffer_copy(mbc1, cbc1, 10);
  461. BOOST_ASIO_CHECK(n == 10);
  462. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  463. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  464. memset(dest_data, 0, sizeof(dest_data));
  465. mb1 = boost::asio::buffer(dest_data);
  466. mv1.clear();
  467. mv1.push_back(boost::asio::buffer(source_data, 5));
  468. mv1.push_back(boost::asio::buffer(source_data) + 5);
  469. n = buffer_copy(mb1, mv1, 10);
  470. BOOST_ASIO_CHECK(n == 10);
  471. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  472. memset(dest_data, 0, sizeof(dest_data));
  473. mb1 = boost::asio::buffer(dest_data);
  474. cv1.clear();
  475. cv1.push_back(boost::asio::buffer(source_data, 6));
  476. cv1.push_back(boost::asio::buffer(source_data) + 6);
  477. n = buffer_copy(mb1, cv1, 10);
  478. BOOST_ASIO_CHECK(n == 10);
  479. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  480. memset(dest_data, 0, sizeof(dest_data));
  481. mv1.clear();
  482. mv1.push_back(boost::asio::buffer(dest_data, 7));
  483. mv1.push_back(boost::asio::buffer(dest_data) + 7);
  484. cb1 = boost::asio::buffer(source_data);
  485. n = buffer_copy(mv1, cb1, 10);
  486. BOOST_ASIO_CHECK(n == 10);
  487. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  488. memset(dest_data, 0, sizeof(dest_data));
  489. mv1.clear();
  490. mv1.push_back(boost::asio::buffer(dest_data, 7));
  491. mv1.push_back(boost::asio::buffer(dest_data) + 7);
  492. cv1.clear();
  493. cv1.push_back(boost::asio::buffer(source_data, 8));
  494. cv1.push_back(boost::asio::buffer(source_data) + 8);
  495. n = buffer_copy(mv1, cv1, 10);
  496. BOOST_ASIO_CHECK(n == 10);
  497. BOOST_ASIO_CHECK(memcmp(dest_data, source_data, n) == 0);
  498. }
  499. } // namespace buffer_copy_runtime
  500. //------------------------------------------------------------------------------
  501. namespace is_buffer_sequence {
  502. using namespace boost::asio;
  503. using namespace std;
  504. struct valid_const_a
  505. {
  506. typedef const_buffer* const_iterator;
  507. typedef const_buffer value_type;
  508. const_buffer* begin() const { return 0; }
  509. const_buffer* end() const { return 0; }
  510. };
  511. #if defined(BOOST_ASIO_HAS_DECLTYPE)
  512. struct valid_const_b
  513. {
  514. const_buffer* begin() const { return 0; }
  515. const_buffer* end() const { return 0; }
  516. };
  517. #endif // defined(BOOST_ASIO_HAS_DECLTYPE)
  518. struct valid_mutable_a
  519. {
  520. typedef mutable_buffer* const_iterator;
  521. typedef mutable_buffer value_type;
  522. mutable_buffer* begin() { return 0; }
  523. mutable_buffer* end() { return 0; }
  524. };
  525. #if defined(BOOST_ASIO_HAS_DECLTYPE)
  526. struct valid_mutable_b
  527. {
  528. mutable_buffer* begin() const { return 0; }
  529. mutable_buffer* end() const { return 0; }
  530. };
  531. #endif // defined(BOOST_ASIO_HAS_DECLTYPE)
  532. struct invalid_const_a
  533. {
  534. typedef int value_type;
  535. int* begin() const { return 0; }
  536. const_buffer* end() const { return 0; }
  537. };
  538. struct invalid_const_b
  539. {
  540. typedef const_buffer value_type;
  541. const_buffer* begin() const { return 0; }
  542. };
  543. struct invalid_const_c
  544. {
  545. typedef const_buffer value_type;
  546. const_buffer* end() const { return 0; }
  547. };
  548. #if defined(BOOST_ASIO_HAS_DECLTYPE)
  549. struct invalid_const_d
  550. {
  551. int* begin() const { return 0; }
  552. const_buffer* end() const { return 0; }
  553. };
  554. struct invalid_const_e
  555. {
  556. const_buffer* begin() const { return 0; }
  557. };
  558. struct invalid_const_f
  559. {
  560. const_buffer* end() const { return 0; }
  561. };
  562. #endif // defined(BOOST_ASIO_HAS_DECLTYPE)
  563. struct invalid_mutable_a
  564. {
  565. typedef int value_type;
  566. int* begin() const { return 0; }
  567. mutable_buffer* end() const { return 0; }
  568. };
  569. struct invalid_mutable_b
  570. {
  571. typedef mutable_buffer value_type;
  572. mutable_buffer* begin() const { return 0; }
  573. };
  574. struct invalid_mutable_c
  575. {
  576. typedef mutable_buffer value_type;
  577. mutable_buffer* end() const { return 0; }
  578. };
  579. #if defined(BOOST_ASIO_HAS_DECLTYPE)
  580. struct invalid_mutable_d
  581. {
  582. int* begin() const { return 0; }
  583. mutable_buffer* end() const { return 0; }
  584. };
  585. struct invalid_mutable_e
  586. {
  587. mutable_buffer* begin() const { return 0; }
  588. };
  589. struct invalid_mutable_f
  590. {
  591. mutable_buffer* end() const { return 0; }
  592. };
  593. #endif // defined(BOOST_ASIO_HAS_DECLTYPE)
  594. void test()
  595. {
  596. BOOST_ASIO_CHECK(is_const_buffer_sequence<const_buffer>::value);
  597. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<const_buffer>::value);
  598. BOOST_ASIO_CHECK(is_const_buffer_sequence<mutable_buffer>::value);
  599. BOOST_ASIO_CHECK(is_mutable_buffer_sequence<mutable_buffer>::value);
  600. #if !defined(BOOST_ASIO_NO_DEPRECATED)
  601. BOOST_ASIO_CHECK(is_const_buffer_sequence<const_buffers_1>::value);
  602. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<const_buffers_1>::value);
  603. BOOST_ASIO_CHECK(is_const_buffer_sequence<mutable_buffers_1>::value);
  604. BOOST_ASIO_CHECK(is_mutable_buffer_sequence<mutable_buffers_1>::value);
  605. #endif // !defined(BOOST_ASIO_NO_DEPRECATED)
  606. BOOST_ASIO_CHECK(is_const_buffer_sequence<vector<const_buffer> >::value);
  607. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<vector<const_buffer> >::value);
  608. BOOST_ASIO_CHECK(is_const_buffer_sequence<vector<mutable_buffer> >::value);
  609. BOOST_ASIO_CHECK(is_mutable_buffer_sequence<vector<mutable_buffer> >::value);
  610. BOOST_ASIO_CHECK(is_const_buffer_sequence<valid_const_a>::value);
  611. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<valid_const_a>::value);
  612. #if defined(BOOST_ASIO_HAS_DECLTYPE)
  613. BOOST_ASIO_CHECK(is_const_buffer_sequence<valid_const_b>::value);
  614. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<valid_const_b>::value);
  615. #endif // defined(BOOST_ASIO_HAS_DECLTYPE)
  616. BOOST_ASIO_CHECK(is_const_buffer_sequence<valid_mutable_a>::value);
  617. BOOST_ASIO_CHECK(is_mutable_buffer_sequence<valid_mutable_a>::value);
  618. #if defined(BOOST_ASIO_HAS_DECLTYPE)
  619. BOOST_ASIO_CHECK(is_const_buffer_sequence<valid_mutable_b>::value);
  620. BOOST_ASIO_CHECK(is_mutable_buffer_sequence<valid_mutable_b>::value);
  621. #endif // defined(BOOST_ASIO_HAS_DECLTYPE)
  622. BOOST_ASIO_CHECK(!is_const_buffer_sequence<invalid_const_a>::value);
  623. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_const_a>::value);
  624. BOOST_ASIO_CHECK(!is_const_buffer_sequence<invalid_const_b>::value);
  625. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_const_b>::value);
  626. BOOST_ASIO_CHECK(!is_const_buffer_sequence<invalid_const_c>::value);
  627. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_const_c>::value);
  628. #if defined(BOOST_ASIO_HAS_DECLTYPE)
  629. BOOST_ASIO_CHECK(!is_const_buffer_sequence<invalid_const_d>::value);
  630. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_const_d>::value);
  631. BOOST_ASIO_CHECK(!is_const_buffer_sequence<invalid_const_e>::value);
  632. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_const_e>::value);
  633. BOOST_ASIO_CHECK(!is_const_buffer_sequence<invalid_const_f>::value);
  634. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_const_f>::value);
  635. #endif // defined(BOOST_ASIO_HAS_DECLTYPE)
  636. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_a>::value);
  637. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_a>::value);
  638. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_b>::value);
  639. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_b>::value);
  640. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_c>::value);
  641. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_c>::value);
  642. #if defined(BOOST_ASIO_HAS_DECLTYPE)
  643. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_d>::value);
  644. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_d>::value);
  645. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_e>::value);
  646. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_e>::value);
  647. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_f>::value);
  648. BOOST_ASIO_CHECK(!is_mutable_buffer_sequence<invalid_mutable_f>::value);
  649. #endif // defined(BOOST_ASIO_HAS_DECLTYPE)
  650. }
  651. } // namespace is_buffer_sequence
  652. //------------------------------------------------------------------------------
  653. BOOST_ASIO_TEST_SUITE
  654. (
  655. "buffer",
  656. BOOST_ASIO_COMPILE_TEST_CASE(buffer_compile::test)
  657. BOOST_ASIO_TEST_CASE(buffer_copy_runtime::test)
  658. BOOST_ASIO_TEST_CASE(is_buffer_sequence::test)
  659. )