1 2 // (C) Copyright John Maddock 2000. 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 7 #ifdef TEST_STD 8 # include <type_traits> 9 #else 10 # include <boost/type_traits/has_nothrow_assign.hpp> 11 #endif 12 #include "test.hpp" 13 #include "check_integral_constant.hpp" 14 15 #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS 16 17 struct non_assignable 18 { 19 non_assignable(); 20 non_assignable& operator=(const non_assignable&) = delete; 21 }; 22 23 #endif 24 25 #ifndef BOOST_NO_CXX11_NOEXCEPT 26 27 struct noexcept_assignable 28 { 29 noexcept_assignable(); 30 noexcept_assignable& operator=(const noexcept_assignable&)noexcept; 31 }; 32 33 #endif 34 35 TT_TEST_BEGIN(has_nothrow_assign) 36 37 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<bool>::value, true); 38 #ifndef TEST_STD 39 // unspecified behaviour: 40 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<bool const>::value, false); 41 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<bool volatile>::value, false); 42 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<bool const volatile>::value, false); 43 #endif 44 45 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<signed char>::value, true); 46 #ifndef TEST_STD 47 // unspecified behaviour: 48 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<signed char const>::value, false); 49 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<signed char volatile>::value, false); 50 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<signed char const volatile>::value, false); 51 #endif 52 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned char>::value, true); 53 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<char>::value, true); 54 #ifndef TEST_STD 55 // unspecified behaviour: 56 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned char const>::value, false); 57 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<char const>::value, false); 58 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned char volatile>::value, false); 59 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<char volatile>::value, false); 60 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned char const volatile>::value, false); 61 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<char const volatile>::value, false); 62 #endif 63 64 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned short>::value, true); 65 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<short>::value, true); 66 #ifndef TEST_STD 67 // unspecified behaviour: 68 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned short const>::value, false); 69 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<short const>::value, false); 70 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned short volatile>::value, false); 71 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<short volatile>::value, false); 72 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned short const volatile>::value, false); 73 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<short const volatile>::value, false); 74 #endif 75 76 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned int>::value, true); 77 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<int>::value, true); 78 #ifndef TEST_STD 79 // unspecified behaviour: 80 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned int const>::value, false); 81 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<int const>::value, false); 82 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned int volatile>::value, false); 83 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<int volatile>::value, false); 84 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned int const volatile>::value, false); 85 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<int const volatile>::value, false); 86 #endif 87 88 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned long>::value, true); 89 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<long>::value, true); 90 #ifndef TEST_STD 91 // unspecified behaviour: 92 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned long const>::value, false); 93 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<long const>::value, false); 94 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned long volatile>::value, false); 95 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<long volatile>::value, false); 96 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned long const volatile>::value, false); 97 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<long const volatile>::value, false); 98 #endif 99 100 #ifdef BOOST_HAS_LONG_LONG 101 102 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign< ::boost::ulong_long_type>::value, true); 103 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign< ::boost::long_long_type>::value, true); 104 #ifndef TEST_STD 105 // unspecified behaviour: 106 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign< ::boost::ulong_long_type const>::value, false); 107 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign< ::boost::long_long_type const>::value, false); 108 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign< ::boost::ulong_long_type volatile>::value, false); 109 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign< ::boost::long_long_type volatile>::value, false); 110 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign< ::boost::ulong_long_type const volatile>::value, false); 111 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign< ::boost::long_long_type const volatile>::value, false); 112 #endif 113 #endif 114 115 #ifdef BOOST_HAS_MS_INT64 116 117 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int8>::value, true); 118 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int8>::value, true); 119 #ifndef TEST_STD 120 // unspecified behaviour: 121 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int8 const>::value, false); 122 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int8 const>::value, false); 123 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int8 volatile>::value, false); 124 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int8 volatile>::value, false); 125 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int8 const volatile>::value, false); 126 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int8 const volatile>::value, false); 127 #endif 128 129 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int16>::value, true); 130 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int16>::value, true); 131 #ifndef TEST_STD 132 // unspecified behaviour: 133 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int16 const>::value, false); 134 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int16 const>::value, false); 135 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int16 volatile>::value, false); 136 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int16 volatile>::value, false); 137 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int16 const volatile>::value, false); 138 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int16 const volatile>::value, false); 139 #endif 140 141 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int32>::value, true); 142 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int32>::value, true); 143 #ifndef TEST_STD 144 // unspecified behaviour: 145 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int32 const>::value, false); 146 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int32 const>::value, false); 147 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int32 volatile>::value, false); 148 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int32 volatile>::value, false); 149 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int32 const volatile>::value, false); 150 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int32 const volatile>::value, false); 151 #endif 152 153 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int64>::value, true); 154 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int64>::value, true); 155 #ifndef TEST_STD 156 // unspecified behaviour: 157 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int64 const>::value, false); 158 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int64 const>::value, false); 159 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int64 volatile>::value, false); 160 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int64 volatile>::value, false); 161 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<unsigned __int64 const volatile>::value, false); 162 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<__int64 const volatile>::value, false); 163 #endif 164 #endif 165 166 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<float>::value, true); 167 #ifndef TEST_STD 168 // unspecified behaviour: 169 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<float const>::value, false); 170 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<float volatile>::value, false); 171 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<float const volatile>::value, false); 172 #endif 173 174 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<double>::value, true); 175 #ifndef TEST_STD 176 // unspecified behaviour: 177 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<double const>::value, false); 178 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<double volatile>::value, false); 179 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<double const volatile>::value, false); 180 #endif 181 182 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<long double>::value, true); 183 #ifndef TEST_STD 184 // unspecified behaviour: 185 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<long double const>::value, false); 186 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<long double volatile>::value, false); 187 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<long double const volatile>::value, false); 188 #endif 189 190 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<int>::value, true); 191 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<void*>::value, true); 192 #ifndef TEST_STD 193 // unspecified behaviour: 194 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<int*const>::value, false); 195 #endif 196 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<f1>::value, true); 197 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<f2>::value, true); 198 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<f3>::value, true); 199 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<mf1>::value, true); 200 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<mf2>::value, true); 201 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<mf3>::value, true); 202 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<mp>::value, true); 203 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<cmf>::value, true); 204 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<enum_UDT>::value, true); 205 206 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<int&>::value, false); 207 #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES 208 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<int&&>::value, false); 209 #endif 210 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<const int&>::value, false); 211 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<int[2]>::value, true); 212 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<int[3][2]>::value, true); 213 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<int[2][4][5][6][3]>::value, true); 214 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<UDT>::value, false); 215 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<empty_UDT>::value, false); 216 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<void>::value, false); 217 // cases we would like to succeed but can't implement in the language: 218 BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<empty_POD_UDT>::value, true, false); 219 BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<POD_UDT>::value, true, false); 220 BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<POD_union_UDT>::value, true, false); 221 BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<empty_POD_union_UDT>::value, true, false); 222 BOOST_CHECK_SOFT_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<nothrow_assign_UDT>::value, true, false); 223 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<nothrow_copy_UDT>::value, false); 224 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<nothrow_construct_UDT>::value, false); 225 226 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<test_abc1>::value, false); 227 228 #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS 229 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<non_assignable>::value, false); 230 #endif 231 #ifndef BOOST_NO_CXX11_NOEXCEPT 232 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::has_nothrow_assign<noexcept_assignable>::value, true); 233 #endif 234 235 TT_TEST_END 236 237 238 239