mirror of
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63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/*******************************************************************************
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* This file is part of the "https://github.com/blackmatov/enum.hpp"
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* For conditions of distribution and use, see copyright notice in LICENSE.md
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* Copyright (C) 2019-2020, by Matvey Cherevko (blackmatov@gmail.com)
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******************************************************************************/
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#include <enum.hpp/enum.hpp>
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#include "doctest/doctest.hpp"
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#include <string>
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#include <iostream>
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namespace
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{
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ENUM_HPP_CLASS_DECL(color, unsigned,
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(red = 0xFF0000)
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(green = 0x00FF00)
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(blue = 0x0000FF)
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(white = red | green | blue))
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ENUM_HPP_REGISTER_TRAITS(color)
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}
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TEST_CASE("examples") {
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SUBCASE("traits_using") {
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// size
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static_assert(color_traits::size == 4);
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// to_underlying
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static_assert(color_traits::to_underlying(color::white) == 0xFFFFFF);
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// to_string
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static_assert(color_traits::to_string(color::red) == "red");
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static_assert(color_traits::to_string(color(42)) == std::nullopt);
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// from_string
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static_assert(color_traits::from_string("green") == color::green);
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static_assert(color_traits::from_string("error") == std::nullopt);
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// to_index
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static_assert(color_traits::to_index(color::blue) == 2u);
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static_assert(color_traits::to_index(color(42)) == std::nullopt);
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// from_index
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static_assert(color_traits::from_index(2) == color::blue);
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static_assert(color_traits::from_index(42) == std::nullopt);
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// names
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for ( auto n : color_traits::names ) {
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std::cout << n << ",";
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} // stdout: red,green,blue,
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}
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SUBCASE("generic_context") {
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// to string
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static_assert(enum_hpp::to_string(color::red) == "red");
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// from string
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static_assert(enum_hpp::from_string<color>("red") == color::red);
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}
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}
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