165 lines
4.1 KiB
C++
165 lines
4.1 KiB
C++
/*
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__ _____ _____ _____
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__| | __| | | | JSON for Modern C++ (test suite)
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| | |__ | | | | | | version 3.1.1
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|_____|_____|_____|_|___| https://github.com/nlohmann/json
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Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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Copyright (c) 2018 Vitaliy Manushkin <agri@akamo.info>.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "catch.hpp"
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#include <nlohmann/json.hpp>
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#include <string>
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#include <utility>
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/*
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* This is virtually a string class.
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* It covers std::string under the hood.
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*/
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class alt_string
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{
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public:
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using value_type = std::string::value_type;
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alt_string(const char* str): str_impl(str) {}
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alt_string(const char* str, size_t count): str_impl(str, count) {}
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alt_string(size_t count, char chr): str_impl(count, chr) {}
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alt_string() = default;
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template <typename...TParams>
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alt_string& append(TParams&& ...params)
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{
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str_impl.append(std::forward<TParams>(params)...);
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return *this;
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}
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void push_back(char c)
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{
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str_impl.push_back(c);
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}
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template <typename op_type>
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bool operator==(op_type&& op) const
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{
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return str_impl == op;
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}
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template <typename op_type>
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bool operator!=(op_type&& op) const
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{
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return str_impl != op;
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}
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size_t size() const noexcept
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{
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return str_impl.size();
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}
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void resize (size_t n)
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{
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str_impl.resize(n);
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}
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void resize (size_t n, char c)
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{
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str_impl.resize(n, c);
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}
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template <typename op_type>
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bool operator<(op_type&& op) const
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{
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return str_impl < op;
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}
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bool operator<(const alt_string& op) const
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{
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return str_impl < op.str_impl;
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}
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const char* c_str() const
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{
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return str_impl.c_str();
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}
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char& operator[](int index)
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{
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return str_impl[index];
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}
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const char& operator[](int index) const
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{
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return str_impl[index];
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}
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char& back()
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{
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return str_impl.back();
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}
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const char& back() const
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{
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return str_impl.back();
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}
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private:
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std::string str_impl;
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};
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using alt_json = nlohmann::basic_json <
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std::map,
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std::vector,
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alt_string,
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bool,
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std::int64_t,
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std::uint64_t,
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double,
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std::allocator,
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nlohmann::adl_serializer >;
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TEST_CASE("alternative string type")
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{
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SECTION("dump")
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{
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alt_json doc;
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doc["pi"] = 3.141;
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doc["happy"] = true;
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doc["name"] = "I'm Batman";
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doc["nothing"] = nullptr;
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doc["answer"]["everything"] = 42;
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doc["list"] = { 1, 0, 2 };
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doc["object"] = { {"currency", "USD"}, {"value", 42.99} };
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alt_string dump = doc.dump();
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const char* const expect_str =
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R"({"answer":{"everything":42},)"
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R"("happy":true,"list":[1,0,2],)"
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R"("name":"I'm Batman","nothing":null,)"
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R"("object":{"currency":"USD","value":42.99},)"
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R"("pi":3.141})";
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CHECK(dump == expect_str);
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}
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}
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