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fd0d5ed4b2e7ff85a96d0c7b44e569aac0f8ed90
meta.hpp/untests/meta_utilities/inst_tests.cpp
BlackMATov fd0d5ed4b2 huge structure refactoring
2022-02-05 05:56:22 +07:00

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/*******************************************************************************
* 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_untests.hpp"
namespace
{
struct fake {
int i = 10;
};
struct clazz {
int ii = 1;
[[nodiscard]] int m1() { return ii; }
[[nodiscard]] int m2() & { return ii; }
[[nodiscard]] int m3() && { return ii; }
[[nodiscard]] int m4() const { return ii; }
[[nodiscard]] int m5() const & { return ii; }
[[nodiscard]] int m6() const && { return ii; }
};
struct dclazz : fake, clazz {};
}
// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
#define META_HPP_CHECK_INVOCABLE(Inst, FName, Qualifiers)\
{\
using namespace meta::detail;\
auto method_ptr = meta::select_overload<int() Qualifiers>(&clazz::FName);\
meta::method m_state{method_state::make<meta::method_policy::as_copy>("", method_ptr)};\
\
if ( std::is_invocable_v<decltype(method_ptr), decltype(Inst)> ) {\
CHECK(inst{Inst}.can_cast_to<clazz Qualifiers>());\
CHECK(inst_base{type_list<decltype(Inst)>{}}.can_cast_to<clazz Qualifiers>());\
CHECK_NOTHROW(std::ignore = inst{Inst}.cast<clazz Qualifiers>());\
\
CHECK(m_state.is_invocable_with<decltype(Inst)>());\
CHECK(m_state.invoke(Inst) == 1);\
} else {\
CHECK_FALSE(inst{Inst}.can_cast_to<clazz Qualifiers>());\
CHECK_FALSE(inst_base{type_list<decltype(Inst)>{}}.can_cast_to<clazz Qualifiers>());\
CHECK_THROWS(std::ignore = inst{Inst}.cast<clazz Qualifiers>());\
\
CHECK_FALSE(m_state.is_invocable_with<decltype(Inst)>());\
CHECK_THROWS(m_state.invoke(Inst));\
}\
}
// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
#define META_HPP_CHECK_INVOCABLE_2(FromValue, FName, FromType, ToQualifiers)\
{\
using namespace meta::detail;\
auto method_ptr = meta::select_overload<int() ToQualifiers>(&clazz::FName);\
meta::method m_state{method_state::make<meta::method_policy::as_copy>("", method_ptr)};\
\
if ( std::is_invocable_v<decltype(method_ptr), FromType> ) {\
CHECK(m_state.is_invocable_with<FromType>());\
CHECK(m_state.is_invocable_with(FromValue));\
CHECK(m_state.invoke(FromValue) == 1);\
} else {\
CHECK_FALSE(m_state.is_invocable_with<FromType>());\
CHECK_FALSE(m_state.is_invocable_with(FromValue));\
CHECK_THROWS(m_state.invoke(FromValue));\
}\
}
TEST_CASE("meta/meta_utilities/inst2") {
namespace meta = meta_hpp;
meta::class_<fake>();
meta::class_<clazz>();
meta::class_<dclazz>().base_<fake>().base_<clazz>();
}
TEST_CASE("meta/meta_utilities/inst2/refs") {
namespace meta = meta_hpp;
{
// lvalue
auto LV = []() -> clazz& { static clazz v; return v; };
auto LV2 = []() -> dclazz& { static dclazz v; return v; };
{
meta::detail::inst i{LV()};
CHECK(i.get_raw_type() == meta::resolve_type<clazz>());
CHECK(i.get_ref_type() == meta::detail::inst::ref_types::lvalue);
}
META_HPP_CHECK_INVOCABLE(LV(), m1, );
META_HPP_CHECK_INVOCABLE(LV(), m2, &);
META_HPP_CHECK_INVOCABLE(LV(), m3, &&);
META_HPP_CHECK_INVOCABLE(LV(), m4, const);
META_HPP_CHECK_INVOCABLE(LV(), m5, const &);
META_HPP_CHECK_INVOCABLE(LV(), m6, const &&);
META_HPP_CHECK_INVOCABLE(LV2(), m1, );
META_HPP_CHECK_INVOCABLE(LV2(), m2, &);
META_HPP_CHECK_INVOCABLE(LV2(), m3, &&);
META_HPP_CHECK_INVOCABLE(LV2(), m4, const);
META_HPP_CHECK_INVOCABLE(LV2(), m5, const &);
META_HPP_CHECK_INVOCABLE(LV2(), m6, const &&);
}
{
// const lvalue
auto CLV = []() -> const clazz& { static clazz v; return v; };
auto CLV2 = []() -> const dclazz& { static dclazz v; return v; };
{
meta::detail::inst i{CLV()};
CHECK(i.get_raw_type() == meta::resolve_type<clazz>());
CHECK(i.get_ref_type() == meta::detail::inst::ref_types::const_lvalue);
}
META_HPP_CHECK_INVOCABLE(CLV(), m1, );
META_HPP_CHECK_INVOCABLE(CLV(), m2, &);
META_HPP_CHECK_INVOCABLE(CLV(), m3, &&);
META_HPP_CHECK_INVOCABLE(CLV(), m4, const);
META_HPP_CHECK_INVOCABLE(CLV(), m5, const &);
META_HPP_CHECK_INVOCABLE(CLV(), m6, const &&);
META_HPP_CHECK_INVOCABLE(CLV2(), m1, );
META_HPP_CHECK_INVOCABLE(CLV2(), m2, &);
META_HPP_CHECK_INVOCABLE(CLV2(), m3, &&);
META_HPP_CHECK_INVOCABLE(CLV2(), m4, const);
META_HPP_CHECK_INVOCABLE(CLV2(), m5, const &);
META_HPP_CHECK_INVOCABLE(CLV2(), m6, const &&);
}
{
// xvalue
auto XV = []() -> clazz&& { static clazz v; return std::move(v); };
auto XV2 = []() -> dclazz&& { static dclazz v; return std::move(v); };
{
meta::detail::inst i{XV()};
CHECK(i.get_raw_type() == meta::resolve_type<clazz>());
CHECK(i.get_ref_type() == meta::detail::inst::ref_types::rvalue);
}
META_HPP_CHECK_INVOCABLE(XV(), m1, );
META_HPP_CHECK_INVOCABLE(XV(), m2, &);
META_HPP_CHECK_INVOCABLE(XV(), m3, &&);
META_HPP_CHECK_INVOCABLE(XV(), m4, const);
META_HPP_CHECK_INVOCABLE(XV(), m5, const &);
META_HPP_CHECK_INVOCABLE(XV(), m6, const &&);
META_HPP_CHECK_INVOCABLE(XV2(), m1, );
META_HPP_CHECK_INVOCABLE(XV2(), m2, &);
META_HPP_CHECK_INVOCABLE(XV2(), m3, &&);
META_HPP_CHECK_INVOCABLE(XV2(), m4, const);
META_HPP_CHECK_INVOCABLE(XV2(), m5, const &);
META_HPP_CHECK_INVOCABLE(XV2(), m6, const &&);
}
{
// const xvalue
auto CXV = []() -> const clazz&& { static clazz v; return std::move(v); };
auto CXV2 = []() -> const dclazz&& { static dclazz v; return std::move(v); };
{
meta::detail::inst i{CXV()};
CHECK(i.get_raw_type() == meta::resolve_type<clazz>());
CHECK(i.get_ref_type() == meta::detail::inst::ref_types::const_rvalue);
}
META_HPP_CHECK_INVOCABLE(CXV(), m1, );
META_HPP_CHECK_INVOCABLE(CXV(), m2, &);
META_HPP_CHECK_INVOCABLE(CXV(), m3, &&);
META_HPP_CHECK_INVOCABLE(CXV(), m4, const);
META_HPP_CHECK_INVOCABLE(CXV(), m5, const &);
META_HPP_CHECK_INVOCABLE(CXV(), m6, const &&);
META_HPP_CHECK_INVOCABLE(CXV2(), m1, );
META_HPP_CHECK_INVOCABLE(CXV2(), m2, &);
META_HPP_CHECK_INVOCABLE(CXV2(), m3, &&);
META_HPP_CHECK_INVOCABLE(CXV2(), m4, const);
META_HPP_CHECK_INVOCABLE(CXV2(), m5, const &);
META_HPP_CHECK_INVOCABLE(CXV2(), m6, const &&);
}
{
// prvalue
auto PRV = []() -> clazz { return clazz{}; };
auto PRV2 = []() -> dclazz { return dclazz{}; };
{
meta::detail::inst i{PRV()};
CHECK(i.get_raw_type() == meta::resolve_type<clazz>());
CHECK(i.get_ref_type() == meta::detail::inst::ref_types::rvalue);
}
META_HPP_CHECK_INVOCABLE(PRV(), m1, );
META_HPP_CHECK_INVOCABLE(PRV(), m2, &);
META_HPP_CHECK_INVOCABLE(PRV(), m3, &&);
META_HPP_CHECK_INVOCABLE(PRV(), m4, const);
META_HPP_CHECK_INVOCABLE(PRV(), m5, const &);
META_HPP_CHECK_INVOCABLE(PRV(), m6, const &&);
META_HPP_CHECK_INVOCABLE(PRV2(), m1, );
META_HPP_CHECK_INVOCABLE(PRV2(), m2, &);
META_HPP_CHECK_INVOCABLE(PRV2(), m3, &&);
META_HPP_CHECK_INVOCABLE(PRV2(), m4, const);
META_HPP_CHECK_INVOCABLE(PRV2(), m5, const &);
META_HPP_CHECK_INVOCABLE(PRV2(), m6, const &&);
}
{
// const prvalue
auto CPRV = []() -> const clazz { return clazz{}; };
auto CPRV2 = []() -> const dclazz { return dclazz{}; };
{
meta::detail::inst i{CPRV()};
CHECK(i.get_raw_type() == meta::resolve_type<clazz>());
CHECK(i.get_ref_type() == meta::detail::inst::ref_types::const_rvalue);
}
META_HPP_CHECK_INVOCABLE(CPRV(), m1, );
META_HPP_CHECK_INVOCABLE(CPRV(), m2, &);
META_HPP_CHECK_INVOCABLE(CPRV(), m3, &&);
META_HPP_CHECK_INVOCABLE(CPRV(), m4, const);
META_HPP_CHECK_INVOCABLE(CPRV(), m5, const &);
META_HPP_CHECK_INVOCABLE(CPRV(), m6, const &&);
META_HPP_CHECK_INVOCABLE(CPRV2(), m1, );
META_HPP_CHECK_INVOCABLE(CPRV2(), m2, &);
META_HPP_CHECK_INVOCABLE(CPRV2(), m3, &&);
META_HPP_CHECK_INVOCABLE(CPRV2(), m4, const);
META_HPP_CHECK_INVOCABLE(CPRV2(), m5, const &);
META_HPP_CHECK_INVOCABLE(CPRV2(), m6, const &&);
}
}
TEST_CASE("meta/meta_utilities/inst2/values") {
namespace meta = meta_hpp;
{
// lvalue
auto LV = []() -> meta::value& { static meta::value v{clazz{}}; return v; };
auto LV2 = []() -> meta::value& { static meta::value v{dclazz{}}; return v; };
meta::detail::arg a{LV()};
CHECK(a.get_raw_type() == meta::resolve_type<clazz>());
CHECK(a.get_ref_type() == meta::detail::arg::ref_types::lvalue);
META_HPP_CHECK_INVOCABLE_2(LV(), m1, clazz&, );
META_HPP_CHECK_INVOCABLE_2(LV(), m2, clazz&, &);
META_HPP_CHECK_INVOCABLE_2(LV(), m3, clazz&, &&);
META_HPP_CHECK_INVOCABLE_2(LV(), m4, clazz&, const);
META_HPP_CHECK_INVOCABLE_2(LV(), m5, clazz&, const &);
META_HPP_CHECK_INVOCABLE_2(LV(), m6, clazz&, const &&);
META_HPP_CHECK_INVOCABLE_2(LV2(), m1, dclazz&, );
META_HPP_CHECK_INVOCABLE_2(LV2(), m2, dclazz&, &);
META_HPP_CHECK_INVOCABLE_2(LV2(), m3, dclazz&, &&);
META_HPP_CHECK_INVOCABLE_2(LV2(), m4, dclazz&, const);
META_HPP_CHECK_INVOCABLE_2(LV2(), m5, dclazz&, const &);
META_HPP_CHECK_INVOCABLE_2(LV2(), m6, dclazz&, const &&);
}
{
// const lvalue
auto CLV = []() -> const meta::value& { static meta::value v{clazz{}}; return v; };
auto CLV2 = []() -> const meta::value& { static meta::value v{dclazz{}}; return v; };
meta::detail::arg a{CLV()};
CHECK(a.get_raw_type() == meta::resolve_type<clazz>());
CHECK(a.get_ref_type() == meta::detail::arg::ref_types::const_lvalue);
META_HPP_CHECK_INVOCABLE_2(CLV(), m1, const clazz&, );
META_HPP_CHECK_INVOCABLE_2(CLV(), m2, const clazz&, &);
META_HPP_CHECK_INVOCABLE_2(CLV(), m3, const clazz&, &&);
META_HPP_CHECK_INVOCABLE_2(CLV(), m4, const clazz&, const);
META_HPP_CHECK_INVOCABLE_2(CLV(), m5, const clazz&, const &);
META_HPP_CHECK_INVOCABLE_2(CLV(), m6, const clazz&, const &&);
META_HPP_CHECK_INVOCABLE_2(CLV2(), m1, const dclazz&, );
META_HPP_CHECK_INVOCABLE_2(CLV2(), m2, const dclazz&, &);
META_HPP_CHECK_INVOCABLE_2(CLV2(), m3, const dclazz&, &&);
META_HPP_CHECK_INVOCABLE_2(CLV2(), m4, const dclazz&, const);
META_HPP_CHECK_INVOCABLE_2(CLV2(), m5, const dclazz&, const &);
META_HPP_CHECK_INVOCABLE_2(CLV2(), m6, const dclazz&, const &&);
}
{
// xvalue
auto XV = []() -> meta::value&& { static meta::value v{clazz{}}; return std::move(v); };
auto XV2 = []() -> meta::value&& { static meta::value v{dclazz{}}; return std::move(v); };
meta::detail::arg a{XV()};
CHECK(a.get_raw_type() == meta::resolve_type<clazz>());
CHECK(a.get_ref_type() == meta::detail::arg::ref_types::rvalue);
META_HPP_CHECK_INVOCABLE_2(XV(), m1, clazz&&, );
META_HPP_CHECK_INVOCABLE_2(XV(), m2, clazz&&, &);
META_HPP_CHECK_INVOCABLE_2(XV(), m3, clazz&&, &&);
META_HPP_CHECK_INVOCABLE_2(XV(), m4, clazz&&, const);
META_HPP_CHECK_INVOCABLE_2(XV(), m5, clazz&&, const &);
META_HPP_CHECK_INVOCABLE_2(XV(), m6, clazz&&, const &&);
META_HPP_CHECK_INVOCABLE_2(XV2(), m1, dclazz&&, );
META_HPP_CHECK_INVOCABLE_2(XV2(), m2, dclazz&&, &);
META_HPP_CHECK_INVOCABLE_2(XV2(), m3, dclazz&&, &&);
META_HPP_CHECK_INVOCABLE_2(XV2(), m4, dclazz&&, const);
META_HPP_CHECK_INVOCABLE_2(XV2(), m5, dclazz&&, const &);
META_HPP_CHECK_INVOCABLE_2(XV2(), m6, dclazz&&, const &&);
}
{
// const xvalue
auto CXV = []() -> const meta::value&& { static meta::value v{clazz{}}; return std::move(v); };
auto CXV2 = []() -> const meta::value&& { static meta::value v{dclazz{}}; return std::move(v); };
meta::detail::arg a{CXV()};
CHECK(a.get_raw_type() == meta::resolve_type<clazz>());
CHECK(a.get_ref_type() == meta::detail::arg::ref_types::const_rvalue);
META_HPP_CHECK_INVOCABLE_2(CXV(), m1, const clazz&&, );
META_HPP_CHECK_INVOCABLE_2(CXV(), m2, const clazz&&, &);
META_HPP_CHECK_INVOCABLE_2(CXV(), m3, const clazz&&, &&);
META_HPP_CHECK_INVOCABLE_2(CXV(), m4, const clazz&&, const);
META_HPP_CHECK_INVOCABLE_2(CXV(), m5, const clazz&&, const &);
META_HPP_CHECK_INVOCABLE_2(CXV(), m6, const clazz&&, const &&);
META_HPP_CHECK_INVOCABLE_2(CXV2(), m1, const dclazz&&, );
META_HPP_CHECK_INVOCABLE_2(CXV2(), m2, const dclazz&&, &);
META_HPP_CHECK_INVOCABLE_2(CXV2(), m3, const dclazz&&, &&);
META_HPP_CHECK_INVOCABLE_2(CXV2(), m4, const dclazz&&, const);
META_HPP_CHECK_INVOCABLE_2(CXV2(), m5, const dclazz&&, const &);
META_HPP_CHECK_INVOCABLE_2(CXV2(), m6, const dclazz&&, const &&);
}
{
// prvalue
auto PRV = []() -> meta::value { return meta::value{clazz{}}; };
auto PRV2 = []() -> meta::value { return meta::value{dclazz{}}; };
meta::detail::arg a{PRV()};
CHECK(a.get_raw_type() == meta::resolve_type<clazz>());
CHECK(a.get_ref_type() == meta::detail::arg::ref_types::rvalue);
META_HPP_CHECK_INVOCABLE_2(PRV(), m1, clazz, );
META_HPP_CHECK_INVOCABLE_2(PRV(), m2, clazz, &);
META_HPP_CHECK_INVOCABLE_2(PRV(), m3, clazz, &&);
META_HPP_CHECK_INVOCABLE_2(PRV(), m4, clazz, const);
META_HPP_CHECK_INVOCABLE_2(PRV(), m5, clazz, const &);
META_HPP_CHECK_INVOCABLE_2(PRV(), m6, clazz, const &&);
META_HPP_CHECK_INVOCABLE_2(PRV2(), m1, dclazz, );
META_HPP_CHECK_INVOCABLE_2(PRV2(), m2, dclazz, &);
META_HPP_CHECK_INVOCABLE_2(PRV2(), m3, dclazz, &&);
META_HPP_CHECK_INVOCABLE_2(PRV2(), m4, dclazz, const);
META_HPP_CHECK_INVOCABLE_2(PRV2(), m5, dclazz, const &);
META_HPP_CHECK_INVOCABLE_2(PRV2(), m6, dclazz, const &&);
}
{
// const prvalue
auto CPRV = []() -> const meta::value { return meta::value{clazz{}}; };
auto CPRV2 = []() -> const meta::value { return meta::value{dclazz{}}; };
meta::detail::arg a{CPRV()};
CHECK(a.get_raw_type() == meta::resolve_type<clazz>());
CHECK(a.get_ref_type() == meta::detail::arg::ref_types::const_rvalue);
META_HPP_CHECK_INVOCABLE_2(CPRV(), m1, const clazz, );
META_HPP_CHECK_INVOCABLE_2(CPRV(), m2, const clazz, &);
META_HPP_CHECK_INVOCABLE_2(CPRV(), m3, const clazz, &&);
META_HPP_CHECK_INVOCABLE_2(CPRV(), m4, const clazz, const);
META_HPP_CHECK_INVOCABLE_2(CPRV(), m5, const clazz, const &);
META_HPP_CHECK_INVOCABLE_2(CPRV(), m6, const clazz, const &&);
META_HPP_CHECK_INVOCABLE_2(CPRV2(), m1, const dclazz, );
META_HPP_CHECK_INVOCABLE_2(CPRV2(), m2, const dclazz, &);
META_HPP_CHECK_INVOCABLE_2(CPRV2(), m3, const dclazz, &&);
META_HPP_CHECK_INVOCABLE_2(CPRV2(), m4, const dclazz, const);
META_HPP_CHECK_INVOCABLE_2(CPRV2(), m5, const dclazz, const &);
META_HPP_CHECK_INVOCABLE_2(CPRV2(), m6, const dclazz, const &&);
}
}
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