libs/type_traits/test/is_integral_test.cpp

   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 #include "test.hpp"
   8 #include "check_integral_constant.hpp"
   9 #ifdef TEST_STD
  10 #  include <type_traits>
  11 #else
  12 #  include <boost/type_traits/is_integral.hpp>
  13 #endif
  14
  15 TT_TEST_BEGIN(is_integral)
  16
  17 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<bool>::value, true);
  18 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<bool const>::value, true);
  19 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<bool volatile>::value, true);
  20 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<bool const volatile>::value, true);
  21
  22 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<signed char>::value, true);
  23 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<signed char const>::value, true);
  24 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<signed char volatile>::value, true);
  25 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<signed char const volatile>::value, true);
  26 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned char>::value, true);
  27 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<char>::value, true);
  28 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned char const>::value, true);
  29 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<char const>::value, true);
  30 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned char volatile>::value, true);
  31 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<char volatile>::value, true);
  32 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned char const volatile>::value, true);
  33 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<char const volatile>::value, true);
  34
  35 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned short>::value, true);
  36 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<short>::value, true);
  37 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned short const>::value, true);
  38 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<short const>::value, true);
  39 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned short volatile>::value, true);
  40 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<short volatile>::value, true);
  41 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned short const volatile>::value, true);
  42 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<short const volatile>::value, true);
  43
  44 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned int>::value, true);
  45 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<int>::value, true);
  46 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned int const>::value, true);
  47 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<int const>::value, true);
  48 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned int volatile>::value, true);
  49 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<int volatile>::value, true);
  50 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned int const volatile>::value, true);
  51 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<int const volatile>::value, true);
  52
  53 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned long>::value, true);
  54 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<long>::value, true);
  55 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned long const>::value, true);
  56 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<long const>::value, true);
  57 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned long volatile>::value, true);
  58 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<long volatile>::value, true);
  59 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned long const volatile>::value, true);
  60 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<long const volatile>::value, true);
  61
  62 #ifdef BOOST_HAS_LONG_LONG
  63
  64 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral< ::boost::ulong_long_type>::value, true);
  65 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral< ::boost::long_long_type>::value, true);
  66 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral< ::boost::ulong_long_type const>::value, true);
  67 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral< ::boost::long_long_type const>::value, true);
  68 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral< ::boost::ulong_long_type volatile>::value, true);
  69 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral< ::boost::long_long_type volatile>::value, true);
  70 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral< ::boost::ulong_long_type const volatile>::value, true);
  71 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral< ::boost::long_long_type const volatile>::value, true);
  72
  73 #endif
  74
  75 #ifdef BOOST_HAS_MS_INT64
  76
  77 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int8>::value, true);
  78 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int8>::value, true);
  79 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int8 const>::value, true);
  80 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int8 const>::value, true);
  81 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int8 volatile>::value, true);
  82 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int8 volatile>::value, true);
  83 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int8 const volatile>::value, true);
  84 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int8 const volatile>::value, true);
  85
  86 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int16>::value, true);
  87 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int16>::value, true);
  88 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int16 const>::value, true);
  89 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int16 const>::value, true);
  90 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int16 volatile>::value, true);
  91 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int16 volatile>::value, true);
  92 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int16 const volatile>::value, true);
  93 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int16 const volatile>::value, true);
  94
  95 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int32>::value, true);
  96 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int32>::value, true);
  97 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int32 const>::value, true);
  98 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int32 const>::value, true);
  99 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int32 volatile>::value, true);
 100 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int32 volatile>::value, true);
 101 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int32 const volatile>::value, true);
 102 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int32 const volatile>::value, true);
 103
 104 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int64>::value, true);
 105 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int64>::value, true);
 106 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int64 const>::value, true);
 107 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int64 const>::value, true);
 108 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int64 volatile>::value, true);
 109 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int64 volatile>::value, true);
 110 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<unsigned __int64 const volatile>::value, true);
 111 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<__int64 const volatile>::value, true);
 112
 113 #endif
 114
 115 #ifdef BOOST_HAS_INT128
 116
 117 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<boost::uint128_type>::value, true);
 118 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<boost::int128_type>::value, true);
 119 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<boost::uint128_type const>::value, true);
 120 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<boost::int128_type const>::value, true);
 121 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<boost::uint128_type volatile>::value, true);
 122 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<boost::int128_type volatile>::value, true);
 123 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<boost::uint128_type const volatile>::value, true);
 124 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<boost::int128_type const volatile>::value, true);
 125
 126 #endif
 127 //
 128 // cases that should not be true:
 129 //
 130 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<void>::value, false);
 131 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<float>::value, false);
 132 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<UDT>::value, false);
 133 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<test_abc1>::value, false);
 134 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<empty_UDT>::value, false);
 135 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<int*>::value, false);
 136 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<int&>::value, false);
 137 #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
 138 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<int&&>::value, false);
 139 #endif
 140 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<const int&>::value, false);
 141 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<int[2]>::value, false);
 142 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<test_abc1>::value, false);
 143 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<foo0_t>::value, false);
 144 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<foo1_t>::value, false);
 145 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<foo2_t>::value, false);
 146 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<foo3_t>::value, false);
 147 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<foo4_t>::value, false);
 148 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<incomplete_type>::value, false);
 149
 150 #ifndef BOOST_NO_CXX11_CHAR16_T
 151 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<char16_t>::value, true);
 152 #endif
 153 #ifndef BOOST_NO_CXX11_CHAR32_T
 154 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::is_integral<char32_t>::value, true);
 155 #endif
 156
 157 TT_TEST_END
 158