ceph/src/boost/libs/mp11/test/mp_cond.cpp

   1
   2 // Copyright 2017 Peter Dimov.
   3 //
   4 // Distributed under the Boost Software License, Version 1.0.
   5 //
   6 // See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt
   8
   9
  10 #include <boost/mp11/utility.hpp>
  11 #include <boost/mp11/integral.hpp>
  12 #include <boost/core/lightweight_test_trait.hpp>
  13 #include <type_traits>
  14
  15 int main()
  16 {
  17     using boost::mp11::mp_cond;
  18     using boost::mp11::mp_true;
  19     using boost::mp11::mp_false;
  20
  21     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_true, char[]>, char[]>));
  22     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_true, char[], void>, char[]>));
  23     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_true, char[], void, void>, char[]>));
  24     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_true, char[], void, void, void>, char[]>));
  25
  26     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_true, char[]>, char[]>));
  27     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_true, char[], void>, char[]>));
  28     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_true, char[], void, void>, char[]>));
  29     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_true, char[], void, void, void>, char[]>));
  30
  31     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_true, char[]>, char[]>));
  32     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_true, char[], void>, char[]>));
  33     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_true, char[], void, void>, char[]>));
  34     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_true, char[], void, void, void>, char[]>));
  35
  36     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_false, double, mp_true, char[]>, char[]>));
  37     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_false, double, mp_true, char[], void>, char[]>));
  38     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_false, double, mp_true, char[], void, void>, char[]>));
  39     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_false, double, mp_true, char[], void, void, void>, char[]>));
  40
  41     return boost::report_errors();
  42 }