has_trivial_move_assign_test.cpp 16 KB

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  1. // (C) Copyright John Maddock 2000.
  2. // (C) Copyright Antony Polukhin 2013.
  3. // Use, modification and distribution are subject to the
  4. // Boost Software License, Version 1.0. (See accompanying file
  5. // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  6. #ifdef TEST_STD
  7. # include <type_traits>
  8. #else
  9. # include <boost/type_traits/has_trivial_move_assign.hpp>
  10. #endif
  11. #include "test.hpp"
  12. #include "check_integral_constant.hpp"
  13. #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS
  14. struct non_copyable_movable
  15. {
  16. int val;
  17. non_copyable_movable(int);
  18. non_copyable_movable(const non_copyable_movable&) = delete;
  19. non_copyable_movable& operator=(const non_copyable_movable&) = delete;
  20. //non_copyable_movable(non_copyable_movable&&) = default;
  21. #if BOOST_WORKAROUND(BOOST_MSVC, <= 1800) || BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500)
  22. non_copyable_movable& operator=(non_copyable_movable&& o)
  23. {
  24. val = std::move(o.val);
  25. return *this;
  26. }
  27. #else
  28. non_copyable_movable& operator=(non_copyable_movable&&) = default;
  29. #endif
  30. };
  31. struct copyable_non_moveable
  32. {
  33. int val;
  34. copyable_non_moveable(int);
  35. copyable_non_moveable(const copyable_non_moveable&) = default;
  36. copyable_non_moveable& operator=(const copyable_non_moveable&) = default;
  37. copyable_non_moveable(copyable_non_moveable&&) = delete;
  38. copyable_non_moveable& operator=(copyable_non_moveable&&) = delete;
  39. };
  40. #endif
  41. TT_TEST_BEGIN(has_trivial_move_assign)
  42. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<bool>::value, true);
  43. #ifndef TEST_STD
  44. // unspecified behaviour:
  45. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<bool const>::value, false);
  46. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<bool volatile>::value, false);
  47. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<bool const volatile>::value, false);
  48. #endif
  49. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<signed char>::value, true);
  50. #ifndef TEST_STD
  51. // unspecified behaviour:
  52. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<signed char const>::value, false);
  53. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<signed char volatile>::value, false);
  54. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<signed char const volatile>::value, false);
  55. #endif
  56. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned char>::value, true);
  57. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<char>::value, true);
  58. #ifndef TEST_STD
  59. // unspecified behaviour:
  60. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned char const>::value, false);
  61. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<char const>::value, false);
  62. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned char volatile>::value, false);
  63. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<char volatile>::value, false);
  64. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned char const volatile>::value, false);
  65. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<char const volatile>::value, false);
  66. #endif
  67. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned short>::value, true);
  68. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<short>::value, true);
  69. #ifndef TEST_STD
  70. // unspecified behaviour:
  71. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned short const>::value, false);
  72. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<short const>::value, false);
  73. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned short volatile>::value, false);
  74. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<short volatile>::value, false);
  75. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned short const volatile>::value, false);
  76. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<short const volatile>::value, false);
  77. #endif
  78. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned int>::value, true);
  79. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<int>::value, true);
  80. #ifndef TEST_STD
  81. // unspecified behaviour:
  82. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned int const>::value, false);
  83. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<int const>::value, false);
  84. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned int volatile>::value, false);
  85. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<int volatile>::value, false);
  86. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned int const volatile>::value, false);
  87. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<int const volatile>::value, false);
  88. #endif
  89. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned long>::value, true);
  90. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<long>::value, true);
  91. #ifndef TEST_STD
  92. // unspecified behaviour:
  93. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned long const>::value, false);
  94. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<long const>::value, false);
  95. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned long volatile>::value, false);
  96. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<long volatile>::value, false);
  97. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned long const volatile>::value, false);
  98. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<long const volatile>::value, false);
  99. #endif
  100. #ifdef BOOST_HAS_LONG_LONG
  101. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign< ::boost::ulong_long_type>::value, true);
  102. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign< ::boost::long_long_type>::value, true);
  103. #ifndef TEST_STD
  104. // unspecified behaviour:
  105. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign< ::boost::ulong_long_type const>::value, false);
  106. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign< ::boost::long_long_type const>::value, false);
  107. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign< ::boost::ulong_long_type volatile>::value, false);
  108. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign< ::boost::long_long_type volatile>::value, false);
  109. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign< ::boost::ulong_long_type const volatile>::value, false);
  110. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign< ::boost::long_long_type const volatile>::value, false);
  111. #endif
  112. #endif
  113. #ifdef BOOST_HAS_MS_INT64
  114. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int8>::value, true);
  115. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int8>::value, true);
  116. #ifndef TEST_STD
  117. // unspecified behaviour:
  118. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int8 const>::value, false);
  119. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int8 const>::value, false);
  120. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int8 volatile>::value, false);
  121. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int8 volatile>::value, false);
  122. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int8 const volatile>::value, false);
  123. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int8 const volatile>::value, false);
  124. #endif
  125. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int16>::value, true);
  126. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int16>::value, true);
  127. #ifndef TEST_STD
  128. // unspecified behaviour:
  129. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int16 const>::value, false);
  130. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int16 const>::value, false);
  131. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int16 volatile>::value, false);
  132. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int16 volatile>::value, false);
  133. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int16 const volatile>::value, false);
  134. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int16 const volatile>::value, false);
  135. #endif
  136. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int32>::value, true);
  137. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int32>::value, true);
  138. #ifndef TEST_STD
  139. // unspecified behaviour:
  140. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int32 const>::value, false);
  141. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int32 const>::value, false);
  142. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int32 volatile>::value, false);
  143. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int32 volatile>::value, false);
  144. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int32 const volatile>::value, false);
  145. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int32 const volatile>::value, false);
  146. #endif
  147. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int64>::value, true);
  148. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int64>::value, true);
  149. #ifndef TEST_STD
  150. // unspecified behaviour:
  151. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int64 const>::value, false);
  152. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int64 const>::value, false);
  153. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int64 volatile>::value, false);
  154. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int64 volatile>::value, false);
  155. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<unsigned __int64 const volatile>::value, false);
  156. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<__int64 const volatile>::value, false);
  157. #endif
  158. #endif
  159. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<float>::value, true);
  160. #ifndef TEST_STD
  161. // unspecified behaviour:
  162. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<float const>::value, false);
  163. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<float volatile>::value, false);
  164. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<float const volatile>::value, false);
  165. #endif
  166. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<double>::value, true);
  167. #ifndef TEST_STD
  168. // unspecified behaviour:
  169. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<double const>::value, false);
  170. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<double volatile>::value, false);
  171. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<double const volatile>::value, false);
  172. #endif
  173. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<long double>::value, true);
  174. #ifndef TEST_STD
  175. // unspecified behaviour:
  176. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<long double const>::value, false);
  177. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<long double volatile>::value, false);
  178. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<long double const volatile>::value, false);
  179. #endif
  180. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<int>::value, true);
  181. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<void*>::value, true);
  182. #ifndef TEST_STD
  183. // unspecified behaviour:
  184. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<int*const>::value, false);
  185. #endif
  186. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<f1>::value, true);
  187. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<f2>::value, true);
  188. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<f3>::value, true);
  189. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<mf1>::value, true);
  190. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<mf2>::value, true);
  191. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<mf3>::value, true);
  192. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<mp>::value, true);
  193. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<cmf>::value, true);
  194. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<enum_UDT>::value, true);
  195. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<int&>::value, false);
  196. #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
  197. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<int&&>::value, false);
  198. #endif
  199. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<const int&>::value, false);
  200. // array types are not assignable:
  201. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<int[2]>::value, false);
  202. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<int[3][2]>::value, false);
  203. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<int[2][4][5][6][3]>::value, false);
  204. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<UDT>::value, false);
  205. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<empty_UDT>::value, false);
  206. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<void>::value, false);
  207. #ifdef BOOST_HAS_TRIVIAL_MOVE_ASSIGN
  208. // cases we would like to succeed but can't implement in the language:
  209. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<empty_POD_UDT>::value, true);
  210. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<POD_UDT>::value, true);
  211. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<POD_union_UDT>::value, true);
  212. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<empty_POD_union_UDT>::value, true);
  213. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<trivial_except_assign>::value, false);
  214. // Why does this fail on multiple compilers??
  215. //BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<trivial_except_destroy>::value, true);
  216. #if !BOOST_WORKAROUND(BOOST_MSVC, < 1800)
  217. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<trivial_except_construct>::value, true);
  218. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<trivial_except_copy>::value, true);
  219. #endif
  220. /*
  221. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<wrap<trivial_except_assign> >::value, false);
  222. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<wrap<trivial_except_destroy> >::value, true);
  223. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<wrap<trivial_except_construct> >::value, true);
  224. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<wrap<trivial_except_copy> >::value, true);
  225. */
  226. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<test_abc1>::value, false);
  227. #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS
  228. #if !BOOST_WORKAROUND(BOOST_MSVC, < 1900)
  229. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<non_copyable_movable>::value, true);
  230. #endif
  231. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<copyable_non_moveable>::value, false);
  232. #endif
  233. #else
  234. // cases we would like to succeed but can't implement in the language:
  235. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<empty_POD_UDT>::value, true, false);
  236. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<POD_UDT>::value, true, false);
  237. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<POD_union_UDT>::value, true, false);
  238. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<empty_POD_union_UDT>::value, true, false);
  239. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<trivial_except_assign>::value, false);
  240. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<trivial_except_destroy>::value, true, false);
  241. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<trivial_except_construct>::value, true, false);
  242. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<trivial_except_copy>::value, true, false);
  243. /*
  244. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<wrap<trivial_except_assign> >::value, false);
  245. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<wrap<trivial_except_destroy> >::value, true, false);
  246. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<wrap<trivial_except_construct> >::value, true, false);
  247. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<wrap<trivial_except_copy> >::value, true, false);
  248. */
  249. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<test_abc1>::value, false);
  250. #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS
  251. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<non_copyable_movable>::value, true, false);
  252. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_move_assign<copyable_non_moveable>::value, false);
  253. #endif
  254. #endif
  255. TT_TEST_END