Files
meta.hpp/untests/meta_field_tests.cpp
2021-06-30 00:23:37 +07:00

64 lines
1.9 KiB
C++

/*******************************************************************************
* This file is part of the "https://github.com/blackmatov/meta.hpp"
* For conditions of distribution and use, see copyright notice in LICENSE.md
* Copyright (C) 2021, by Matvey Cherevko (blackmatov@gmail.com)
******************************************************************************/
#include <meta.hpp/meta_field.hpp>
#include "doctest/doctest.hpp"
namespace
{
class clazz {
public:
int field{1};
const int cfield{2};
};
}
TEST_CASE("meta/field") {
namespace meta = meta_hpp;
meta::field_<&clazz::field> field_{"field"};
meta::field_<&clazz::cfield> cfield_{"cfield"};
const meta::field_info& field_info = field_.info();
const meta::field_info& cfield_info = cfield_.info();
{
clazz instance;
CHECK(instance.field == 1);
CHECK(field_info.get(&instance).cast<int>() == 1);
CHECK(field_info.get(&std::as_const(instance)).cast<int>() == 1);
CHECK_NOTHROW(field_info.set(&instance, 3));
CHECK(instance.field == 3);
CHECK(field_info.get(&instance).cast<int>() == 3);
CHECK(field_info.get(&std::as_const(instance)).cast<int>() == 3);
}
{
clazz instance;
CHECK(instance.cfield == 2);
CHECK(cfield_info.get(&instance).cast<int>() == 2);
CHECK(cfield_info.get(&std::as_const(instance)).cast<int>() == 2);
CHECK_THROWS_AS(cfield_info.set(&instance, 4), std::logic_error);
CHECK(instance.cfield == 2);
CHECK(cfield_info.get(&instance).cast<int>() == 2);
CHECK(cfield_info.get(&std::as_const(instance)).cast<int>() == 2);
}
{
clazz instance;
instance.field = 5;
CHECK(field_info.get(&instance).cast<int>() == 5);
CHECK(field_info.get(&std::as_const(instance)).cast<int>() == 5);
}
}