ceph/src/boost/libs/type_traits/test/conjunction_test.cpp

   1 /*
   2 Copyright 2020 Glen Joseph Fernandes
   3 (glenjofe@gmail.com)
   4
   5 Distributed under the Boost Software License,
   6 Version 1.0. (See accompanying file LICENSE_1_0.txt
   7 or copy at http://www.boost.org/LICENSE_1_0.txt)
   8 */
   9 #ifdef TEST_STD
  10 #include <type_traits>
  11 #else
  12 #include <boost/type_traits/conjunction.hpp>
  13 #endif
  14 #include "check_integral_constant.hpp"
  15
  16 template<int V>
  17 struct Int {
  18     static const int value = V;
  19 };
  20
  21 TT_TEST_BEGIN(conjunction)
  22
  23 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::conjunction<Int<2>, Int<4> >::value), 4);
  24 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::conjunction<Int<0>, Int<4> >::value), 0);
  25
  26 #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
  27 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::conjunction<Int<2>, Int<4>, Int<6>,
  28     Int<8>, Int<10> >::value), 10);
  29 BOOST_CHECK_INTEGRAL_CONSTANT((::tt::conjunction<Int<2>, Int<0>, Int<4>,
  30     Int<6>, Int<8> >::value), 0);
  31 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::conjunction<Int<4> >::value, 4);
  32 BOOST_CHECK_INTEGRAL_CONSTANT(::tt::conjunction<>::value, true);
  33 #endif
  34
  35 TT_TEST_END