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

   1
   2 // Copyright 2015, 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/core/lightweight_test_trait.hpp>
  12 #include <type_traits>
  13
  14 using boost::mp11::mp_invoke;
  15 using boost::mp11::mp_quote;
  16 using boost::mp11::mp_quote_trait;
  17 using boost::mp11::mp_valid;
  18 using boost::mp11::mp_identity;
  19 using boost::mp11::mp_identity_t;
  20
  21 int main()
  22 {
  23     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke>));
  24     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke, void>));
  25     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke, void, void>));
  26     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke, void, void, void>));
  27
  28     using Qi = mp_quote<mp_identity_t>;
  29
  30     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke, Qi>));
  31     BOOST_TEST_TRAIT_TRUE((mp_valid<mp_invoke, Qi, void>));
  32     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke, Qi, void, void>));
  33
  34     using Qt = mp_quote_trait<mp_identity>;
  35
  36 #if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, <= 1800 )
  37 #else
  38     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke, Qt>));
  39 #endif
  40     BOOST_TEST_TRAIT_TRUE((mp_valid<mp_invoke, Qt, void>));
  41     BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke, Qt, void, void>));
  42
  43     return boost::report_errors();
  44 }