Files
meta.hpp/untests/features/infos/function_info_tests.cpp
2021-08-16 16:28:23 +07:00

96 lines
2.9 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 "_infos_fwd.hpp"
namespace
{
using namespace meta_hpp;
using namespace std::string_literals;
}
namespace
{
struct ivec2 {
int x{};
int y{};
[[maybe_unused]] ivec2() = default;
[[maybe_unused]] ivec2(const ivec2& other) = default;
[[maybe_unused]] explicit ivec2(int v): x{v}, y{v} {}
[[maybe_unused]] ivec2(int x, int y): x{x}, y{y} {}
};
bool operator==(const ivec2& l, const ivec2& r) noexcept {
return l.x == r.x && l.y == r.y;
}
ivec2 iadd(const ivec2& l, const ivec2& r) noexcept {
return {l.x + r.x, l.y + r.y};
}
int ilength2(const ivec2& v) noexcept {
return v.x * v.x + v.y * v.y;
}
}
TEST_CASE("features/infos/function") {
registry db;
db(
namespace_{"vmath"}(
class_<ivec2>{"ivec2"},
function_{"iadd", &iadd}(data_{"info", "iadd function"s}),
function_{"ilength2", &ilength2}(data_{"info", "ilength2 function"s})
)
);
SUBCASE("iadd") {
const function_info fi = db.get_function_by_path("vmath::iadd");
REQUIRE(fi);
REQUIRE(fi.get_data_by_name("info"));
CHECK(fi.get_data_by_name("info").value() == "iadd function"s);
CHECK_FALSE(fi.is_invocable_with());
CHECK_FALSE(fi.is_invocable_with<int>());
CHECK_FALSE(fi.is_invocable_with<ivec2, int>());
CHECK_FALSE(fi.is_invocable_with<ivec2, ivec2, int>());
CHECK(fi.is_invocable_with<ivec2, ivec2>());
CHECK(fi.is_invocable_with<ivec2&&, const ivec2&>());
CHECK_THROWS(fi.invoke());
CHECK_THROWS(fi.invoke(42));
CHECK_THROWS(fi.invoke(ivec2{}, 42));
CHECK(fi.invoke(ivec2{1,2},ivec2{3,4}));
CHECK(fi.invoke(ivec2{1,2},ivec2{3,4}).value() == ivec2{4,6});
}
SUBCASE("ilength2") {
const function_info fi = db.get_function_by_path("vmath::ilength2");
REQUIRE(fi);
REQUIRE(fi.get_data_by_name("info"));
CHECK(fi.get_data_by_name("info").value() == "ilength2 function"s);
CHECK_FALSE(fi.is_invocable_with());
CHECK_FALSE(fi.is_invocable_with<int>());
CHECK_FALSE(fi.is_invocable_with<ivec2, int>());
CHECK(fi.is_invocable_with<ivec2>());
CHECK(fi.is_invocable_with<const ivec2&>());
CHECK_THROWS(fi.invoke());
CHECK_THROWS(fi.invoke(42));
CHECK_THROWS(fi.invoke(ivec2{}, 42));
CHECK(fi.invoke(ivec2{2,3}));
CHECK(fi.invoke(ivec2{2,3}).value() == 13);
}
}