has_trivial_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_trivial_copy.hpp>
  9. #endif
  10. #include "test.hpp"
  11. #include "check_integral_constant.hpp"
  12. #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS
  13. class bug_10389
  14. {
  15. int m_data;
  16. public:
  17. bug_10389() { m_data = 0; }
  18. bug_10389(const bug_10389&) = delete;
  19. bug_10389(bug_10389&& r) : m_data(r.m_data) { r.m_data = 0; }
  20. };
  21. #endif
  22. struct private_copy
  23. {
  24. private_copy();
  25. private:
  26. private_copy(const private_copy&);
  27. };
  28. TT_TEST_BEGIN(has_trivial_copy)
  29. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<bool>::value, true);
  30. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<bool const>::value, true);
  31. #ifndef TEST_STD
  32. // unspecified behaviour:
  33. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<bool volatile>::value, false);
  34. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<bool const volatile>::value, false);
  35. #endif
  36. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<signed char>::value, true);
  37. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<signed char const>::value, true);
  38. #ifndef TEST_STD
  39. // unspecified behaviour:
  40. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<signed char volatile>::value, false);
  41. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<signed char const volatile>::value, false);
  42. #endif
  43. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned char>::value, true);
  44. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<char>::value, true);
  45. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned char const>::value, true);
  46. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<char const>::value, true);
  47. #ifndef TEST_STD
  48. // unspecified behaviour:
  49. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned char volatile>::value, false);
  50. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<char volatile>::value, false);
  51. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned char const volatile>::value, false);
  52. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<char const volatile>::value, false);
  53. #endif
  54. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned short>::value, true);
  55. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<short>::value, true);
  56. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned short const>::value, true);
  57. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<short const>::value, true);
  58. #ifndef TEST_STD
  59. // unspecified behaviour:
  60. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned short volatile>::value, false);
  61. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<short volatile>::value, false);
  62. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned short const volatile>::value, false);
  63. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<short const volatile>::value, false);
  64. #endif
  65. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned int>::value, true);
  66. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<int>::value, true);
  67. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned int const>::value, true);
  68. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<int const>::value, true);
  69. #ifndef TEST_STD
  70. // unspecified behaviour:
  71. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned int volatile>::value, false);
  72. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<int volatile>::value, false);
  73. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned int const volatile>::value, false);
  74. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<int const volatile>::value, false);
  75. #endif
  76. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned long>::value, true);
  77. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<long>::value, true);
  78. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned long const>::value, true);
  79. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<long const>::value, true);
  80. #ifndef TEST_STD
  81. // unspecified behaviour:
  82. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned long volatile>::value, false);
  83. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<long volatile>::value, false);
  84. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned long const volatile>::value, false);
  85. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<long const volatile>::value, false);
  86. #endif
  87. #ifdef BOOST_HAS_LONG_LONG
  88. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy< ::boost::ulong_long_type>::value, true);
  89. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy< ::boost::long_long_type>::value, true);
  90. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy< ::boost::ulong_long_type const>::value, true);
  91. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy< ::boost::long_long_type const>::value, true);
  92. #ifndef TEST_STD
  93. // unspecified behaviour:
  94. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy< ::boost::ulong_long_type volatile>::value, false);
  95. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy< ::boost::long_long_type volatile>::value, false);
  96. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy< ::boost::ulong_long_type const volatile>::value, false);
  97. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy< ::boost::long_long_type const volatile>::value, false);
  98. #endif
  99. #endif
  100. #ifdef BOOST_HAS_MS_INT64
  101. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int8>::value, true);
  102. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int8>::value, true);
  103. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int8 const>::value, true);
  104. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int8 const>::value, true);
  105. #ifndef TEST_STD
  106. // unspecified behaviour:
  107. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int8 volatile>::value, false);
  108. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int8 volatile>::value, false);
  109. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int8 const volatile>::value, false);
  110. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int8 const volatile>::value, false);
  111. #endif
  112. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int16>::value, true);
  113. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int16>::value, true);
  114. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int16 const>::value, true);
  115. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int16 const>::value, true);
  116. #ifndef TEST_STD
  117. // unspecified behaviour:
  118. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int16 volatile>::value, false);
  119. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int16 volatile>::value, false);
  120. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int16 const volatile>::value, false);
  121. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int16 const volatile>::value, false);
  122. #endif
  123. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int32>::value, true);
  124. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int32>::value, true);
  125. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int32 const>::value, true);
  126. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int32 const>::value, true);
  127. #ifndef TEST_STD
  128. // unspecified behaviour:
  129. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int32 volatile>::value, false);
  130. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int32 volatile>::value, false);
  131. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int32 const volatile>::value, false);
  132. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int32 const volatile>::value, false);
  133. #endif
  134. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int64>::value, true);
  135. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int64>::value, true);
  136. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int64 const>::value, true);
  137. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int64 const>::value, true);
  138. #ifndef TEST_STD
  139. // unspecified behaviour:
  140. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int64 volatile>::value, false);
  141. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int64 volatile>::value, false);
  142. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<unsigned __int64 const volatile>::value, false);
  143. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<__int64 const volatile>::value, false);
  144. #endif
  145. #endif
  146. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<float>::value, true);
  147. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<float const>::value, true);
  148. #ifndef TEST_STD
  149. // unspecified behaviour:
  150. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<float volatile>::value, false);
  151. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<float const volatile>::value, false);
  152. #endif
  153. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<double>::value, true);
  154. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<double const>::value, true);
  155. #ifndef TEST_STD
  156. // unspecified behaviour:
  157. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<double volatile>::value, false);
  158. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<double const volatile>::value, false);
  159. #endif
  160. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<long double>::value, true);
  161. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<long double const>::value, true);
  162. #ifndef TEST_STD
  163. // unspecified behaviour:
  164. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<long double volatile>::value, false);
  165. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<long double const volatile>::value, false);
  166. #endif
  167. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<int>::value, true);
  168. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<void*>::value, true);
  169. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<int*const>::value, true);
  170. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<f1>::value, true);
  171. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<f2>::value, true);
  172. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<f3>::value, true);
  173. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<mf1>::value, true);
  174. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<mf2>::value, true);
  175. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<mf3>::value, true);
  176. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<mp>::value, true);
  177. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<cmf>::value, true);
  178. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<enum_UDT>::value, true);
  179. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<int&>::value, false);
  180. #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
  181. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<int&&>::value, false);
  182. #endif
  183. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<const int&>::value, false);
  184. // Arrays can not be explicitly copied:
  185. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<int[2]>::value, false);
  186. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<int[3][2]>::value, false);
  187. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<int[2][4][5][6][3]>::value, false);
  188. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<UDT>::value, false);
  189. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<void>::value, false);
  190. // cases we would like to succeed but can't implement in the language:
  191. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_copy<empty_POD_UDT>::value, true, false);
  192. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_copy<POD_UDT>::value, true, false);
  193. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_copy<POD_union_UDT>::value, true, false);
  194. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_copy<empty_POD_union_UDT>::value, true, false);
  195. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<trivial_except_copy>::value, false);
  196. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_copy<trivial_except_destroy>::value, true, false);
  197. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_copy<trivial_except_construct>::value, true, false);
  198. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_copy<trivial_except_assign>::value, true, false);
  199. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<wrap<trivial_except_copy> >::value, false);
  200. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_copy<wrap<trivial_except_destroy> >::value, true, false);
  201. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_copy<wrap<trivial_except_construct> >::value, true, false);
  202. BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_trivial_copy<wrap<trivial_except_assign> >::value, true, false);
  203. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<test_abc1>::value, false);
  204. #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS
  205. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<bug_10389>::value, false);
  206. #endif
  207. BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_trivial_copy<private_copy>::value, false);
  208. TT_TEST_END