ceph/src/boost/libs/describe/test/members_test6.cpp

   1 // Copyright 2020 Peter Dimov
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // https://www.boost.org/LICENSE_1_0.txt
   4
   5 #include <boost/describe/members.hpp>
   6 #include <boost/describe/class.hpp>
   7 #include <boost/core/lightweight_test.hpp>
   8
   9 struct A
  10 {
  11     int m1;
  12     int m2;
  13     int m3;
  14 };
  15
  16 BOOST_DESCRIBE_STRUCT(A, (), (m1, m2, m3))
  17
  18 class B: public A
  19 {
  20 public:
  21
  22     static int m1;
  23
  24     void m2() const {}
  25
  26 private:
  27
  28     int m3;
  29
  30     BOOST_DESCRIBE_CLASS(B, (A), (m1, m2), (), (m3))
  31 };
  32
  33 int B::m1;
  34
  35 #if !defined(BOOST_DESCRIBE_CXX14)
  36
  37 #include <boost/config/pragma_message.hpp>
  38
  39 BOOST_PRAGMA_MESSAGE("Skipping test because C++14 is not available")
  40 int main() {}
  41
  42 #else
  43
  44 #include <boost/mp11.hpp>
  45
  46 int main()
  47 {
  48     using namespace boost::describe;
  49     using namespace boost::mp11;
  50
  51     {
  52         using L = describe_members<B, mod_public | mod_inherited>;
  53
  54         BOOST_TEST_EQ( mp_size<L>::value, 0 );
  55     }
  56
  57     {
  58         using L = describe_members<B, mod_public | mod_inherited | mod_hidden>;
  59
  60         BOOST_TEST_EQ( mp_size<L>::value, 3 );
  61
  62         using D1 = mp_at_c<L, 0>;
  63         using D2 = mp_at_c<L, 1>;
  64         using D3 = mp_at_c<L, 2>;
  65
  66         BOOST_TEST( D1::pointer == &B::A::m1 );
  67         BOOST_TEST_CSTR_EQ( D1::name, "m1" );
  68         BOOST_TEST_EQ( D1::modifiers, mod_public | mod_inherited | mod_hidden );
  69
  70         BOOST_TEST( D2::pointer == &B::A::m2 );
  71         BOOST_TEST_CSTR_EQ( D2::name, "m2" );
  72         BOOST_TEST_EQ( D2::modifiers, mod_public | mod_inherited | mod_hidden );
  73
  74         BOOST_TEST( D3::pointer == &B::A::m3 );
  75         BOOST_TEST_CSTR_EQ( D3::name, "m3" );
  76         BOOST_TEST_EQ( D3::modifiers, mod_public | mod_inherited | mod_hidden );
  77     }
  78
  79     return boost::report_errors();
  80 }
  81
  82 #endif // !defined(BOOST_DESCRIBE_CXX14)