ceph/src/boost/libs/mp11/test/mp_cond_sf.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     using boost::mp11::mp_valid;
  21
  22     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond>));
  23
  24     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_true>));
  25     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false>));
  26
  27     BOOST_TEST_TRAIT_TRUE((mp_valid<mp_cond, mp_true, void>));
  28     BOOST_TEST_TRAIT_TRUE((mp_valid<mp_cond, mp_true, void, void>));
  29
  30     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void>));
  31     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void, void>));
  32
  33     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void, mp_true>));
  34     BOOST_TEST_TRAIT_TRUE((mp_valid<mp_cond, mp_false, void, mp_true, void>));
  35
  36     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void, mp_false>));
  37     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void, mp_false, void>));
  38
  39     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void, mp_false, void, mp_true>));
  40     BOOST_TEST_TRAIT_TRUE((mp_valid<mp_cond, mp_false, void, mp_false, void, mp_true, void>));
  41
  42     return boost::report_errors();
  43 }