115 lines
3.1 KiB
C++
115 lines
3.1 KiB
C++
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/*
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__ _____ _____ _____
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__| | __| | | | JSON for Modern C++ (test suite)
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| | |__ | | | | | | version 3.7.3
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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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SPDX-License-Identifier: MIT
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Copyright (c) 2013-2019 Niels Lohmann <http://nlohmann.me>.
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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 "doctest_compatibility.h"
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#include <nlohmann/json.hpp>
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using nlohmann::json;
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#include <list>
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namespace
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{
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TEST_CASE("Use arbitrary stdlib container")
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{
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std::string raw_data = "[1,2,3,4]";
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std::list<char> data(raw_data.begin(), raw_data.end());
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json as_json = json::parse(data.begin(), data.end());
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CHECK(as_json.at(0) == 1);
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CHECK(as_json.at(1) == 2);
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CHECK(as_json.at(2) == 3);
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CHECK(as_json.at(3) == 4);
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}
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struct MyContainer
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{
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const char* data;
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};
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const char* begin(const MyContainer& c)
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{
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return c.data;
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}
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const char* end(const MyContainer& c)
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{
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return c.data + strlen(c.data);
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}
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TEST_CASE("Custom container")
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{
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MyContainer data{"[1,2,3,4]"};
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json as_json = json::parse(data);
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CHECK(as_json.at(0) == 1);
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CHECK(as_json.at(1) == 2);
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CHECK(as_json.at(2) == 3);
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CHECK(as_json.at(3) == 4);
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}
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TEST_CASE("Custom iterator")
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{
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const char* raw_data = "[1,2,3,4]";
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struct MyIterator {
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using difference_type = std::size_t;
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using value_type = char;
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using pointer = const char*;
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using reference = const char&;
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using iterator_category = std::input_iterator_tag;
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MyIterator& operator++() {
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++ptr;
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return *this;
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}
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reference operator*() const {return *ptr;}
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bool operator!=(const MyIterator& rhs) const {
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return ptr != rhs.ptr;
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}
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const char* ptr;
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};
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MyIterator begin{raw_data};
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MyIterator end{raw_data + strlen(raw_data)};
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json as_json = json::parse(begin, end);
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CHECK(as_json.at(0) == 1);
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CHECK(as_json.at(1) == 2);
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CHECK(as_json.at(2) == 3);
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CHECK(as_json.at(3) == 4);
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}
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}
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