ceph/src/boost/libs/type_traits/test/is_constructible_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_constructible.hpp>
  13 #endif
  14
  15
  16 struct non_copy_constructible
  17 {
  18    non_copy_constructible();
  19    non_copy_constructible(int);
  20    non_copy_constructible(double*, double*);
  21 #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS
  22    non_copy_constructible(const non_copy_constructible&) = delete;
  23 #endif
  24 #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
  25    non_copy_constructible(non_copy_constructible&&);
  26 #endif
  27 };
  28
  29
  30 struct A { };
  31 struct B : A { };
  32
  33 TT_TEST_BEGIN(is_constructible)
  34
  35 #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
  36 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B &&, A>::value) , false);
  37 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B const &&, A>::value) , false);
  38 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B const &&, A const>::value) , false);
  39 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B volatile &&, A>::value) , false);
  40 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B volatile &&, A volatile>::value) , false);
  41 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B const volatile &&, A>::value) , false);
  42 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B const volatile &&, A const>::value) , false);
  43 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B const volatile &&, A volatile>::value) , false);
  44 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B const volatile &&, A const volatile>::value) , false);
  45 #endif
  46 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B&, A>::value), false);
  47 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B const &, A>::value), false);
  48 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B const &, A&>::value), false);
  49 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<B const &, A const>::value), false);
  50
  51 BOOST_CHECK_SOFT_INTEGRAL_CONSTANT((::tt::is_constructible<non_copy_constructible>::value), true, false);
  52 BOOST_CHECK_SOFT_INTEGRAL_CONSTANT((::tt::is_constructible<non_copy_constructible, int>::value), true, false);
  53 BOOST_CHECK_SOFT_INTEGRAL_CONSTANT((::tt::is_constructible<non_copy_constructible, int const>::value), true, false);
  54 BOOST_CHECK_SOFT_INTEGRAL_CONSTANT((::tt::is_constructible<non_copy_constructible, int const&>::value), true, false);
  55 BOOST_CHECK_SOFT_INTEGRAL_CONSTANT((::tt::is_constructible<non_copy_constructible, non_copy_constructible>::value), true, false);
  56 #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_CXX11_DECLTYPE) && !BOOST_WORKAROUND(BOOST_MSVC, < 1800)
  57 BOOST_CHECK_SOFT_INTEGRAL_CONSTANT((::tt::is_constructible<non_copy_constructible, double*, double*>::value), true, false);
  58 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<non_copy_constructible, double const*, double*>::value), false);
  59 #endif
  60 #ifndef BOOST_NO_CXX11_DELETED_FUNCTIONS
  61 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<non_copy_constructible, const non_copy_constructible&>::value), false);
  62 #endif
  63
  64 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int, const int>::value), true);
  65 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int, const int&>::value), true);
  66 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int*, const int&>::value), false);
  67 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int*, const int*>::value), false);
  68 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int*, int*>::value), true);
  69 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int*, int[2]>::value), true);
  70 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int*, int[]>::value), true);
  71
  72 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int(*)(int), int&>::value), false);
  73 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int(*)(int), int(*)(int)>::value), true);
  74 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int(&)(int), int(int)>::value), true);
  75 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int(int), int(int)>::value), false);
  76 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_constructible<int(int), int(&)(int)>::value), false);
  77
  78 TT_TEST_END
  79