Files
enum.hpp/untests/enum_examples.cpp
2019-11-22 04:21:27 +07:00

54 lines
1.6 KiB
C++

/*******************************************************************************
* This file is part of the "https://github.com/blackmatov/enum.hpp"
* For conditions of distribution and use, see copyright notice in LICENSE.md
* Copyright (C) 2019, by Matvey Cherevko (blackmatov@gmail.com)
******************************************************************************/
#define CATCH_CONFIG_FAST_COMPILE
#include <catch2/catch.hpp>
#include <enum.hpp/enum.hpp>
#include <string>
#include <iostream>
namespace
{
ENUM_HPP_CLASS_DECL(color, unsigned,
(red = 0xFF0000)
(green = 0x00FF00)
(blue = 0x0000FF)
(white = red | green | blue))
}
TEST_CASE("examples") {
SECTION("traits_using") {
// size
STATIC_REQUIRE(color_traits::size == 4);
// to_underlying
STATIC_REQUIRE(color_traits::to_underlying(color::white) == 0xFFFFFF);
// to_string
STATIC_REQUIRE(color_traits::to_string(color::red) == "red");
STATIC_REQUIRE(color_traits::to_string(color(42)) == std::nullopt);
// from_string
STATIC_REQUIRE(color_traits::from_string("green") == color::green);
STATIC_REQUIRE(color_traits::from_string("error") == std::nullopt);
// to_index
STATIC_REQUIRE(color_traits::to_index(color::blue) == 2u);
STATIC_REQUIRE(color_traits::to_index(color(42)) == std::nullopt);
// from_index
STATIC_REQUIRE(color_traits::from_index(2) == color::blue);
STATIC_REQUIRE(color_traits::from_index(42) == std::nullopt);
// names
for ( auto n : color_traits::names ) {
std::cout << n << ",";
}
}
}