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meta.hpp/develop/untests/meta_issues/github_discussion_93.cpp

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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) 2021-2024, by Matvey Cherevko (blackmatov@gmail.com)
******************************************************************************/
#include <meta.hpp/meta_all.hpp>
#include <doctest/doctest.h>
namespace
{
enum class align {
left,
right,
center,
};
enum class color {
red,
green,
blue,
};
}
TEST_CASE("meta/meta_discussion/93") {
namespace meta = meta_hpp;
meta::enum_<align>()
.evalue_("left", align::left)
.evalue_("right", align::right)
.evalue_("center", align::center);
const meta::enum_type align_type = meta::resolve_type<align>();
{
CHECK(align_type.name_to_evalue("left").get_name() == "left");
CHECK(align_type.name_to_evalue("right").get_name() == "right");
CHECK(align_type.name_to_evalue("center").get_name() == "center");
}
{
align v = align::right;
CHECK(align_type.value_to_evalue(v).get_name() == "right");
CHECK(align_type.value_to_evalue(std::as_const(v)).get_name() == "right");
CHECK(align_type.value_to_evalue(std::move(std::as_const(v))).get_name() == "right");
CHECK(align_type.value_to_evalue(std::move(v)).get_name() == "right");
v = align::center;
CHECK(align_type.value_to_evalue(v).get_name() == "center");
CHECK(align_type.value_to_evalue(std::as_const(v)).get_name() == "center");
CHECK(align_type.value_to_evalue(std::move(std::as_const(v))).get_name() == "center");
CHECK(align_type.value_to_evalue(std::move(v)).get_name() == "center");
}
{
meta::uvalue v = align::right;
CHECK(align_type.value_to_evalue(v).get_name() == "right");
CHECK(align_type.value_to_evalue(std::as_const(v)).get_name() == "right");
CHECK(align_type.value_to_evalue(std::move(std::as_const(v))).get_name() == "right");
CHECK(align_type.value_to_evalue(std::move(v)).get_name() == "right");
v = align::center;
CHECK(align_type.value_to_evalue(v).get_name() == "center");
CHECK(align_type.value_to_evalue(std::as_const(v)).get_name() == "center");
CHECK(align_type.value_to_evalue(std::move(std::as_const(v))).get_name() == "center");
CHECK(align_type.value_to_evalue(std::move(v)).get_name() == "center");
}
{
CHECK_FALSE(align_type.name_to_evalue(""));
CHECK_FALSE(align_type.name_to_evalue("middle"));
CHECK_FALSE(align_type.value_to_evalue(color::red));
CHECK_FALSE(align_type.value_to_evalue(meta::uvalue{color::red}));
}
}