Function main

test_visit_struct.cpp:209–442

static_assert(std::is_same<visit_struct::type_at<2, test_struct_one>, std::string>::value, "");

int main() {
  // Test version string
  std::cout << VISIT_STRUCT_VERSION_STRING << std::endl;

  std::cout << __FILE__ << std::endl;

  {
    test_struct_one s{ 5, 7.5f, "asdf" };

    debug_print(s);

    // Test getters

    assert(visit_struct::field_count(s) == 3);
    assert(visit_struct::get<0>(s) == 5);
    assert(visit_struct::get<1>(s) == 7.5f);
    assert(visit_struct::get<2>(s) == "asdf");
    assert(visit_struct::get_name<0>(s) == std::string{"a"});
    assert(visit_struct::get_name<1>(s) == std::string{"b"});
    assert(visit_struct::get_name<2>(s) == std::string{"c"});
    assert(visit_struct::get_accessor<0>(s)(s) == visit_struct::get<0>(s));
    assert(visit_struct::get_accessor<1>(s)(s) == visit_struct::get<1>(s));
    assert(visit_struct::get_accessor<2>(s)(s) == visit_struct::get<2>(s));

    // Test visitation

    test_visitor_one vis1;
    visit_struct::apply_visitor(vis1, s);

    assert(vis1.result.size() == 3);
    assert(vis1.result[0].first == "a");
    assert(vis1.result[0].second == "5");
    assert(vis1.result[1].first == "b");
    assert(vis1.result[1].second == "7.500000");
    assert(vis1.result[2].first == "c");
    assert(vis1.result[2].second == "asdf");

    test_visitor_two vis2;
    visit_struct::apply_visitor(vis2, s);

    assert(vis2.result.size() == 3);
    assert(vis2.result[0].second == &s.a);
    assert(vis2.result[1].second == &s.b);
    assert(vis2.result[2].second == &s.c);

    test_struct_one t{ 0, 0.0f, "jkl" };

    debug_print(t);

    assert(visit_struct::field_count(t) == 3);
    assert(visit_struct::get<0>(t) == 0);
    assert(visit_struct::get<1>(t) == 0.0f);
    assert(visit_struct::get<2>(t) == "jkl");
    assert(visit_struct::get_name<0>(t) == std::string{"a"});
    assert(visit_struct::get_name<1>(t) == std::string{"b"});
    assert(visit_struct::get_name<2>(t) == std::string{"c"});

    test_visitor_one vis3;