/* __ _____ _____ _____ __| | __| | | | JSON for Modern C++ (test suite) | | |__ | | | | | | version 3.10.5 |_____|_____|_____|_|___| https://github.com/nlohmann/json Licensed under the MIT License . SPDX-License-Identifier: MIT Copyright (c) 2013-2022 Niels Lohmann . 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 "doctest_compatibility.h" #include using nlohmann::json; /// A `int template class heap_int { public: std::unique_ptr val; operator T() const { return val == nullptr ? 0 : *val; } // operator double() const { return static_cast(val); } heap_int() : val() {} heap_int(T val) : val(new T(val)) {} heap_int(heap_int&&) = default; heap_int(const heap_int& other) : val(new T(static_cast(other))) {} heap_int& operator=(const heap_int& other) { val = std::unique_ptr(new T(static_cast(other))); return *this; } bool operator==(const heap_int& other) const { return static_cast(*this) == static_cast(other); } bool operator<(const int& other) const { return static_cast(*this) < other; } heap_int operator+(const heap_int& other) const { return static_cast(*this) + static_cast(other); } bool operator%(const heap_int& other) const { return static_cast(*this) % static_cast(other.val); } heap_int& operator/=(const heap_int& other) { if (val != nullptr) { *val /= static_cast(other.val); } return *this; } bool operator<(const heap_int& other) const { return static_cast(*this) < static_cast(other.val); } bool operator<=(const heap_int& other) const { return static_cast(*this) <= static_cast(other.val); } friend void swap(heap_int& self, heap_int& other) { swap(self.val, other.val); } }; template class std::numeric_limits> { public: static constexpr bool is_signed = std::numeric_limits::is_signed; static constexpr bool is_integer = std::numeric_limits::is_integer; static constexpr bool is_specialized = std::numeric_limits::is_specialized; }; TEST_CASE("custom integer type") { using json = nlohmann::basic_json < std::map, std::vector, std::string, bool, heap_int, std::uint64_t, double, std::allocator >; // create a JSON value with different types std::string data = "[1,2,3,4]"; json as_json = json::parse(data.begin(), data.end()); heap_int i = as_json[2]; heap_int three = 3; CHECK(i == three); }