// Licensed under the MIT License . // SPDX-License-Identifier: MIT // Copyright (c) 2019 - 2023 Daniil Goncharov . // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. #include #include #define CATCH_CONFIG_MAIN #include struct MyString { MyString() : str{} {} // required MyString(const char* s) : str{s} {} // required MyString(const char* s, std::size_t l) : str{s, l} {} // required bool empty() const { return str.empty(); } // required MyString& append(std::size_t count, char c) { str.append(count, c); return *this; } // required MyString& append(const char* s) { str.append(s); return *this; } // required MyString& append(const MyString& s) { str.append(s.str); return *this; } // required std::size_t size() const { return str.size(); } int compare(const char* s) const { return str.compare(s); } private: std::string str; }; struct MyStringView { using value_type = char; // required static constexpr auto npos = std::string_view::npos; // required constexpr MyStringView() : str{} {} // required constexpr MyStringView(const char* s) : str{s} {} // required constexpr MyStringView(const char* s, std::size_t size) : str{s, size} {} // required constexpr bool empty() const { return str.empty(); } // required constexpr std::size_t size() const { return str.size(); } // required constexpr const char* data() const { return str.data(); } // required constexpr const char& operator[](std::size_t i) const { return str[i]; } // required constexpr void remove_prefix(std::size_t n) { str.remove_prefix(n); } // required constexpr void remove_suffix(std::size_t n) { str.remove_suffix(n); } // required constexpr int compare(MyStringView s) const { return str.compare(s.str); } // required constexpr int compare(const char* s) const { return str.compare(s); } private: std::string_view str; constexpr MyStringView(std::string_view s) : str{s} {} }; #define NAMEOF_USING_ALIAS_STRING using string = MyString; #define NAMEOF_USING_ALIAS_STRING_VIEW using string_view = MyStringView; #include enum class Color { RED = 1, GREEN = 2, BLUE = 4 }; TEST_CASE("string") { auto cr = nameof::nameof_enum_flag(Color::RED); REQUIRE_FALSE(cr.empty()); REQUIRE(cr.compare("RED") == 0); auto crg = nameof::nameof_enum_flag(static_cast(1 | 2)); REQUIRE_FALSE(crg.empty()); REQUIRE(crg.compare("RED|GREEN") == 0); auto cn = nameof::nameof_enum_flag(Color{0}); REQUIRE(cn.empty()); REQUIRE(cn.size() == 0); } TEST_CASE("string_view") { auto cr = nameof::nameof_enum(Color::RED); REQUIRE_FALSE(cr.empty()); REQUIRE(cr.compare("RED") == 0); auto cn = nameof::nameof_enum(Color{0}); REQUIRE(cn.empty()); REQUIRE(cn.size() == 0); }