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meta.hpp/untests/examples/method_example.cpp
2022-01-08 07:14:16 +07:00

49 lines
1.4 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_tests.hpp"
namespace
{
struct ivec2 {
int x{};
int y{};
int dot(const ivec2& other) const {
return x * other.x + y * other.y;
}
int length2() const {
return dot(*this);
}
};
}
TEST_CASE("meta/examples/method") {
namespace meta = meta_hpp;
meta::class_<ivec2>()
.member_("x", &ivec2::x)
.member_("y", &ivec2::y)
.method_("dot", &ivec2::dot)
.method_("length2", &ivec2::length2);
const meta::class_type ivec2_type = meta::resolve_type<ivec2>();
CHECK(ivec2_type.get_methods().size() == 2);
{
const meta::method ivec2_dot = ivec2_type.get_method("dot");
CHECK(ivec2_dot.get_name() == "dot");
CHECK(ivec2_dot.get_type() == meta::resolve_type<decltype(&ivec2::dot)>());
CHECK(ivec2_dot.get_type().get_arity() == 1);
CHECK(ivec2_dot.get_type().get_return_type() == meta::resolve_type<int>());
CHECK(ivec2_dot.get_type().get_argument_type(0) == meta::resolve_type<const ivec2&>());
}
}