/* __ _____ _____ _____ __| | __| | | | JSON for Modern C++ (test suite) | | |__ | | | | | | version 3.9.1 |_____|_____|_____|_|___| https://github.com/nlohmann/json Licensed under the MIT License . SPDX-License-Identifier: MIT Copyright (c) 2013-2019 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 json = nlohmann::json; #include TEST_CASE("hash") { // Collect hashes for different JSON values and make sure that they are distinct // We cannot compare against fixed values, because the implementation of // std::hash may differ between compilers. std::set hashes; // null hashes.insert(std::hash {}(json(nullptr))); // boolean hashes.insert(std::hash {}(json(true))); hashes.insert(std::hash {}(json(false))); // string hashes.insert(std::hash {}(json(""))); hashes.insert(std::hash {}(json("foo"))); // number hashes.insert(std::hash {}(json(0))); hashes.insert(std::hash {}(json(unsigned(0)))); hashes.insert(std::hash {}(json(-1))); hashes.insert(std::hash {}(json(0.0))); hashes.insert(std::hash {}(json(42.23))); // array hashes.insert(std::hash {}(json::array())); hashes.insert(std::hash {}(json::array({1, 2, 3}))); // object hashes.insert(std::hash {}(json::object())); hashes.insert(std::hash {}(json::object({{"foo", "bar"}}))); // binary hashes.insert(std::hash {}(json::binary({}))); hashes.insert(std::hash {}(json::binary({}, 0))); hashes.insert(std::hash {}(json::binary({}, 42))); hashes.insert(std::hash {}(json::binary({1, 2, 3}))); hashes.insert(std::hash {}(json::binary({1, 2, 3}, 0))); hashes.insert(std::hash {}(json::binary({1, 2, 3}, 42))); // discarded hashes.insert(std::hash {}(json(json::value_t::discarded))); CHECK(hashes.size() == 21); }