has_nothrow_copy_test.cpp 13 KB

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  1. // (C) Copyright John Maddock 2000.
  2. // Use, modification and distribution are subject to the
  3. // Boost Software License, Version 1.0. (See accompanying file
  4. // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  5. #ifdef TEST_STD
  6. # include <type_traits>
  7. #else
  8. # include <boost/type_traits/has_nothrow_copy.hpp>
  9. #endif
  10. #include "test.hpp"
  11. #include "check_integral_constant.hpp"
  12. struct non_copy
  13. {
  14. non_copy();
  15. private:
  16. non_copy(const non_copy&);
  17. };
  18. #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS
  19. struct delete_move
  20. {
  21. delete_move();
  22. delete_move(const delete_move&&) = delete;
  23. };
  24. struct delete_copy
  25. {
  26. delete_copy();
  27. delete_copy(const delete_copy&) = delete;
  28. };
  29. #endif
  30. #ifndef BOOST_NO_CXX11_NOEXCEPT
  31. struct noexcept_copy
  32. {
  33. noexcept_copy();
  34. noexcept_copy& operator=(const noexcept_copy&)noexcept;
  35. };
  36. #endif
  37. TT_TEST_BEGIN(has_nothrow_copy)
  38. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<bool>::value, true);
  39. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<bool const>::value, true);
  40. #ifndef TEST_STD
  41. // unspecified behaviour:
  42. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<bool volatile>::value, false);
  43. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<bool const volatile>::value, false);
  44. #endif
  45. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<signed char>::value, true);
  46. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<signed char const>::value, true);
  47. #ifndef TEST_STD
  48. // unspecified behaviour:
  49. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<signed char volatile>::value, false);
  50. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<signed char const volatile>::value, false);
  51. #endif
  52. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned char>::value, true);
  53. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<char>::value, true);
  54. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned char const>::value, true);
  55. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<char const>::value, true);
  56. #ifndef TEST_STD
  57. // unspecified behaviour:
  58. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned char volatile>::value, false);
  59. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<char volatile>::value, false);
  60. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned char const volatile>::value, false);
  61. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<char const volatile>::value, false);
  62. #endif
  63. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned short>::value, true);
  64. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<short>::value, true);
  65. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned short const>::value, true);
  66. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<short const>::value, true);
  67. #ifndef TEST_STD
  68. // unspecified behaviour:
  69. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned short volatile>::value, false);
  70. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<short volatile>::value, false);
  71. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned short const volatile>::value, false);
  72. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<short const volatile>::value, false);
  73. #endif
  74. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned int>::value, true);
  75. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<int>::value, true);
  76. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned int const>::value, true);
  77. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<int const>::value, true);
  78. #ifndef TEST_STD
  79. // unspecified behaviour:
  80. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned int volatile>::value, false);
  81. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<int volatile>::value, false);
  82. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned int const volatile>::value, false);
  83. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<int const volatile>::value, false);
  84. #endif
  85. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned long>::value, true);
  86. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<long>::value, true);
  87. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned long const>::value, true);
  88. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<long const>::value, true);
  89. #ifndef TEST_STD
  90. // unspecified behaviour:
  91. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned long volatile>::value, false);
  92. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<long volatile>::value, false);
  93. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned long const volatile>::value, false);
  94. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<long const volatile>::value, false);
  95. #endif
  96. #ifdef BOOST_HAS_LONG_LONG
  97. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy< ::boost::ulong_long_type>::value, true);
  98. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy< ::boost::long_long_type>::value, true);
  99. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy< ::boost::ulong_long_type const>::value, true);
  100. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy< ::boost::long_long_type const>::value, true);
  101. #ifndef TEST_STD
  102. // unspecified behaviour:
  103. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy< ::boost::ulong_long_type volatile>::value, false);
  104. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy< ::boost::long_long_type volatile>::value, false);
  105. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy< ::boost::ulong_long_type const volatile>::value, false);
  106. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy< ::boost::long_long_type const volatile>::value, false);
  107. #endif
  108. #endif
  109. #ifdef BOOST_HAS_MS_INT64
  110. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int8>::value, true);
  111. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int8>::value, true);
  112. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int8 const>::value, true);
  113. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int8 const>::value, true);
  114. #ifndef TEST_STD
  115. // unspecified behaviour:
  116. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int8 volatile>::value, false);
  117. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int8 volatile>::value, false);
  118. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int8 const volatile>::value, false);
  119. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int8 const volatile>::value, false);
  120. #endif
  121. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int16>::value, true);
  122. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int16>::value, true);
  123. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int16 const>::value, true);
  124. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int16 const>::value, true);
  125. #ifndef TEST_STD
  126. // unspecified behaviour:
  127. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int16 volatile>::value, false);
  128. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int16 volatile>::value, false);
  129. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int16 const volatile>::value, false);
  130. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int16 const volatile>::value, false);
  131. #endif
  132. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int32>::value, true);
  133. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int32>::value, true);
  134. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int32 const>::value, true);
  135. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int32 const>::value, true);
  136. #ifndef TEST_STD
  137. // unspecified behaviour:
  138. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int32 volatile>::value, false);
  139. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int32 volatile>::value, false);
  140. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int32 const volatile>::value, false);
  141. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int32 const volatile>::value, false);
  142. #endif
  143. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int64>::value, true);
  144. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int64>::value, true);
  145. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int64 const>::value, true);
  146. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int64 const>::value, true);
  147. #ifndef TEST_STD
  148. // unspecified behaviour:
  149. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int64 volatile>::value, false);
  150. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int64 volatile>::value, false);
  151. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<unsigned __int64 const volatile>::value, false);
  152. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<__int64 const volatile>::value, false);
  153. #endif
  154. #endif
  155. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<float>::value, true);
  156. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<float const>::value, true);
  157. #ifndef TEST_STD
  158. // unspecified behaviour:
  159. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<float volatile>::value, false);
  160. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<float const volatile>::value, false);
  161. #endif
  162. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<double>::value, true);
  163. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<double const>::value, true);
  164. #ifndef TEST_STD
  165. // unspecified behaviour:
  166. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<double volatile>::value, false);
  167. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<double const volatile>::value, false);
  168. #endif
  169. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<long double>::value, true);
  170. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<long double const>::value, true);
  171. #ifndef TEST_STD
  172. // unspecified behaviour:
  173. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<long double volatile>::value, false);
  174. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<long double const volatile>::value, false);
  175. #endif
  176. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<int>::value, true);
  177. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<void*>::value, true);
  178. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<int*const>::value, true);
  179. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<f1>::value, true);
  180. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<f2>::value, true);
  181. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<f3>::value, true);
  182. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<mf1>::value, true);
  183. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<mf2>::value, true);
  184. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<mf3>::value, true);
  185. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<mp>::value, true);
  186. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<cmf>::value, true);
  187. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<enum_UDT>::value, true);
  188. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<int&>::value, false);
  189. #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
  190. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<int&&>::value, false);
  191. #endif
  192. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<const int&>::value, false);
  193. // These used to be true, but are now false to match std conforming behavior:
  194. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<int[2]>::value, false);
  195. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<int[3][2]>::value, false);
  196. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<int[2][4][5][6][3]>::value, false);
  197. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<UDT>::value, false);
  198. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<void>::value, false);
  199. // cases we would like to succeed but can't implement in the language:
  200. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<empty_POD_UDT>::value, true, false);
  201. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<POD_UDT>::value, true, false);
  202. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<POD_union_UDT>::value, true, false);
  203. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<empty_POD_union_UDT>::value, true, false);
  204. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<nothrow_copy_UDT>::value, true, false);
  205. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<nothrow_assign_UDT>::value, false);
  206. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<nothrow_construct_UDT>::value, false);
  207. #if !(defined(CI_SUPPRESS_KNOWN_ISSUES) && BOOST_WORKAROUND(BOOST_GCC, < 40700))
  208. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<test_abc1>::value, false);
  209. #endif
  210. #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS
  211. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<delete_copy>::value, false);
  212. #if !(defined(CI_SUPPRESS_KNOWN_ISSUES) && BOOST_WORKAROUND(BOOST_GCC, < 40600)) && !(defined(CI_SUPPRESS_KNOWN_ISSUES) && BOOST_WORKAROUND(BOOST_MSVC, == 1800))\
  213. && !(defined(CI_SUPPRESS_KNOWN_ISSUES) && defined(__CLR_VER))
  214. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<delete_move>::value, false);
  215. #endif
  216. #endif
  217. #ifndef BOOST_NO_CXX11_NOEXCEPT
  218. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<noexcept_copy>::value, true);
  219. #endif
  220. #if !defined(BOOST_NO_CXX11_DECLTYPE) && !BOOST_WORKAROUND(BOOST_MSVC, < 1800)
  221. #if !defined(BOOST_GCC) || (BOOST_GCC >= 40800)
  222. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_copy<non_copy>::value, false);
  223. #endif
  224. #endif
  225. TT_TEST_END