is_nothrow_move_assignable_test.cpp 15 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. #include <boost/config.hpp>
  7. #include "test.hpp"
  8. #include "check_integral_constant.hpp"
  9. #if !((defined(BOOST_MSVC) || BOOST_WORKAROUND(BOOST_GCC, < 40700)) && defined(BOOST_TT_DISABLE_INTRINSICS) && defined(CI_SUPPRESS_KNOWN_ISSUES))
  10. #ifdef TEST_STD
  11. # include <type_traits>
  12. #else
  13. # include <boost/type_traits/is_nothrow_move_assignable.hpp>
  14. #endif
  15. #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS
  16. struct non_assignable
  17. {
  18. non_assignable();
  19. non_assignable& operator=(const non_assignable&) = delete;
  20. };
  21. #endif
  22. #ifndef BOOST_NO_CXX11_NOEXCEPT
  23. struct noexcept_assignable
  24. {
  25. noexcept_assignable();
  26. noexcept_assignable& operator=(const non_assignable&)noexcept;
  27. };
  28. struct noexcept_move_assignable
  29. {
  30. noexcept_move_assignable();
  31. noexcept_move_assignable& operator=(const noexcept_move_assignable&);
  32. noexcept_move_assignable& operator=(noexcept_move_assignable&&)noexcept;
  33. };
  34. #endif
  35. TT_TEST_BEGIN(is_nothrow_move_assignable)
  36. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<bool>::value, true);
  37. #ifndef TEST_STD
  38. // unspecified behaviour:
  39. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<bool const>::value, false);
  40. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<bool volatile>::value, false);
  41. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<bool const volatile>::value, false);
  42. #endif
  43. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<signed char>::value, true);
  44. #ifndef TEST_STD
  45. // unspecified behaviour:
  46. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<signed char const>::value, false);
  47. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<signed char volatile>::value, false);
  48. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<signed char const volatile>::value, false);
  49. #endif
  50. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned char>::value, true);
  51. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<char>::value, true);
  52. #ifndef TEST_STD
  53. // unspecified behaviour:
  54. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned char const>::value, false);
  55. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<char const>::value, false);
  56. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned char volatile>::value, false);
  57. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<char volatile>::value, false);
  58. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned char const volatile>::value, false);
  59. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<char const volatile>::value, false);
  60. #endif
  61. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned short>::value, true);
  62. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<short>::value, true);
  63. #ifndef TEST_STD
  64. // unspecified behaviour:
  65. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned short const>::value, false);
  66. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<short const>::value, false);
  67. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned short volatile>::value, false);
  68. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<short volatile>::value, false);
  69. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned short const volatile>::value, false);
  70. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<short const volatile>::value, false);
  71. #endif
  72. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned int>::value, true);
  73. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<int>::value, true);
  74. #ifndef TEST_STD
  75. // unspecified behaviour:
  76. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned int const>::value, false);
  77. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<int const>::value, false);
  78. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned int volatile>::value, false);
  79. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<int volatile>::value, false);
  80. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned int const volatile>::value, false);
  81. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<int const volatile>::value, false);
  82. #endif
  83. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned long>::value, true);
  84. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<long>::value, true);
  85. #ifndef TEST_STD
  86. // unspecified behaviour:
  87. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned long const>::value, false);
  88. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<long const>::value, false);
  89. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned long volatile>::value, false);
  90. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<long volatile>::value, false);
  91. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned long const volatile>::value, false);
  92. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<long const volatile>::value, false);
  93. #endif
  94. #ifdef BOOST_HAS_LONG_LONG
  95. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable< ::boost::ulong_long_type>::value, true);
  96. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable< ::boost::long_long_type>::value, true);
  97. #ifndef TEST_STD
  98. // unspecified behaviour:
  99. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable< ::boost::ulong_long_type const>::value, false);
  100. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable< ::boost::long_long_type const>::value, false);
  101. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable< ::boost::ulong_long_type volatile>::value, false);
  102. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable< ::boost::long_long_type volatile>::value, false);
  103. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable< ::boost::ulong_long_type const volatile>::value, false);
  104. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable< ::boost::long_long_type const volatile>::value, false);
  105. #endif
  106. #endif
  107. #ifdef BOOST_HAS_MS_INT64
  108. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int8>::value, true);
  109. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int8>::value, true);
  110. #ifndef TEST_STD
  111. // unspecified behaviour:
  112. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int8 const>::value, false);
  113. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int8 const>::value, false);
  114. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int8 volatile>::value, false);
  115. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int8 volatile>::value, false);
  116. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int8 const volatile>::value, false);
  117. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int8 const volatile>::value, false);
  118. #endif
  119. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int16>::value, true);
  120. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int16>::value, true);
  121. #ifndef TEST_STD
  122. // unspecified behaviour:
  123. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int16 const>::value, false);
  124. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int16 const>::value, false);
  125. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int16 volatile>::value, false);
  126. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int16 volatile>::value, false);
  127. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int16 const volatile>::value, false);
  128. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int16 const volatile>::value, false);
  129. #endif
  130. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int32>::value, true);
  131. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int32>::value, true);
  132. #ifndef TEST_STD
  133. // unspecified behaviour:
  134. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int32 const>::value, false);
  135. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int32 const>::value, false);
  136. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int32 volatile>::value, false);
  137. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int32 volatile>::value, false);
  138. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int32 const volatile>::value, false);
  139. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int32 const volatile>::value, false);
  140. #endif
  141. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int64>::value, true);
  142. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int64>::value, true);
  143. #ifndef TEST_STD
  144. // unspecified behaviour:
  145. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int64 const>::value, false);
  146. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int64 const>::value, false);
  147. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int64 volatile>::value, false);
  148. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int64 volatile>::value, false);
  149. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<unsigned __int64 const volatile>::value, false);
  150. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<__int64 const volatile>::value, false);
  151. #endif
  152. #endif
  153. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<float>::value, true);
  154. #ifndef TEST_STD
  155. // unspecified behaviour:
  156. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<float const>::value, false);
  157. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<float volatile>::value, false);
  158. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<float const volatile>::value, false);
  159. #endif
  160. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<double>::value, true);
  161. #ifndef TEST_STD
  162. // unspecified behaviour:
  163. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<double const>::value, false);
  164. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<double volatile>::value, false);
  165. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<double const volatile>::value, false);
  166. #endif
  167. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<long double>::value, true);
  168. #ifndef TEST_STD
  169. // unspecified behaviour:
  170. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<long double const>::value, false);
  171. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<long double volatile>::value, false);
  172. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<long double const volatile>::value, false);
  173. #endif
  174. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<int>::value, true);
  175. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<void*>::value, true);
  176. #ifndef TEST_STD
  177. // unspecified behaviour:
  178. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<int*const>::value, false);
  179. #endif
  180. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<f1>::value, true);
  181. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<f2>::value, true);
  182. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<f3>::value, true);
  183. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<mf1>::value, true);
  184. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<mf2>::value, true);
  185. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<mf3>::value, true);
  186. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<mp>::value, true);
  187. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<cmf>::value, true);
  188. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<enum_UDT>::value, true);
  189. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<int&>::value, false);
  190. #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
  191. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<int&&>::value, false);
  192. #endif
  193. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<const int&>::value, false);
  194. #if !(defined(BOOST_MSVC) && defined(CI_SUPPRESS_KNOWN_ISSUES) && (BOOST_MSVC < 1910))
  195. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<int[2]>::value, false);
  196. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<int[3][2]>::value, false);
  197. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<int[2][4][5][6][3]>::value, false);
  198. #endif
  199. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<UDT>::value, false);
  200. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<empty_UDT>::value, false);
  201. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<void>::value, false);
  202. #if (!defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_SFINAE_EXPR)) || defined(BOOST_IS_NOTHROW_MOVE_ASSIGN)
  203. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<empty_POD_UDT>::value, true);
  204. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<POD_UDT>::value, true);
  205. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<POD_union_UDT>::value, true);
  206. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<empty_POD_union_UDT>::value, true);
  207. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<nothrow_assign_UDT>::value, true);
  208. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<nothrow_move_UDT>::value, true);
  209. #else
  210. // cases we would like to succeed but can't implement in the language:
  211. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<empty_POD_UDT>::value, true, false);
  212. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<POD_UDT>::value, true, false);
  213. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<POD_union_UDT>::value, true, false);
  214. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<empty_POD_union_UDT>::value, true, false);
  215. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<nothrow_assign_UDT>::value, true, false);
  216. #endif
  217. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<nothrow_copy_UDT>::value, false);
  218. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<nothrow_construct_UDT>::value, false);
  219. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<test_abc1>::value, false);
  220. #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS
  221. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<non_assignable>::value, false);
  222. #endif
  223. #if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_SFINAE_EXPR) && !BOOST_WORKAROUND(BOOST_GCC, < 40700)
  224. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<noexcept_assignable>::value, true);
  225. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_nothrow_move_assignable<noexcept_move_assignable>::value, true);
  226. #endif
  227. TT_TEST_END
  228. #else
  229. int main() { return 0; }
  230. #endif