mirror of
https://github.com/nlohmann/json.git
synced 2024-08-21 20:42:29 +02:00
1532 lines
54 KiB
C++
1532 lines
54 KiB
C++
/*
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__ _____ _____ _____
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__| | __| | | | JSON for Modern C++ (test suite)
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| | |__ | | | | | | version 3.10.5
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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) 2013-2022 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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// for some reason including this after the json header leads to linker errors with VS 2017...
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#include <locale>
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#define JSON_TESTS_PRIVATE
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#include <nlohmann/json.hpp>
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using nlohmann::json;
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#include <fstream>
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#include <sstream>
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#include <list>
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#include <cstdio>
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#include <test_data.hpp>
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#ifdef JSON_HAS_CPP_17
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#include <variant>
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#endif
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#include "fifo_map.hpp"
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/////////////////////////////////////////////////////////////////////
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// for #972
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/////////////////////////////////////////////////////////////////////
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template<class K, class V, class dummy_compare, class A>
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using my_workaround_fifo_map = nlohmann::fifo_map<K, V, nlohmann::fifo_map_compare<K>, A>;
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using my_json = nlohmann::basic_json<my_workaround_fifo_map>;
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/////////////////////////////////////////////////////////////////////
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// for #977
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/////////////////////////////////////////////////////////////////////
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namespace ns
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{
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struct foo
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{
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int x;
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};
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template <typename, typename SFINAE = void>
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struct foo_serializer;
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template<typename T>
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struct foo_serializer<T, typename std::enable_if<std::is_same<foo, T>::value>::type>
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{
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template <typename BasicJsonType>
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static void to_json(BasicJsonType& j, const T& value)
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{
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j = BasicJsonType{{"x", value.x}};
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}
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template <typename BasicJsonType>
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static void from_json(const BasicJsonType& j, T& value) // !!!
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{
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nlohmann::from_json(j.at("x"), value.x);
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}
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};
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template<typename T>
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struct foo_serializer < T, typename std::enable_if < !std::is_same<foo, T>::value >::type >
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{
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template <typename BasicJsonType>
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static void to_json(BasicJsonType& j, const T& value) noexcept // NOLINT(bugprone-exception-escape)
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{
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::nlohmann::to_json(j, value);
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}
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template <typename BasicJsonType>
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static void from_json(const BasicJsonType& j, T& value) //!!!
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{
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::nlohmann::from_json(j, value);
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}
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};
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} // namespace ns
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using foo_json = nlohmann::basic_json<std::map, std::vector, std::string, bool, std::int64_t,
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std::uint64_t, double, std::allocator, ns::foo_serializer, std::vector<std::uint8_t>>;
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/////////////////////////////////////////////////////////////////////
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// for #805
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/////////////////////////////////////////////////////////////////////
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namespace
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{
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struct nocopy // NOLINT(cppcoreguidelines-special-member-functions,hicpp-special-member-functions)
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{
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nocopy() = default;
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nocopy(const nocopy&) = delete;
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nocopy(nocopy&&) = delete;
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nocopy& operator=(const nocopy&) = delete;
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nocopy& operator=(nocopy&&) = delete;
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int val = 0;
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friend void to_json(json& j, const nocopy& n)
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{
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j = {{"val", n.val}};
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}
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};
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} // namespace
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TEST_CASE("regression tests 1")
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{
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SECTION("issue #60 - Double quotation mark is not parsed correctly")
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{
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SECTION("escape_doublequote")
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{
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const auto* s = R"(["\"foo\""])";
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json j = json::parse(s);
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auto expected = R"(["\"foo\""])"_json;
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CHECK(j == expected);
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}
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}
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SECTION("issue #70 - Handle infinity and NaN cases")
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{
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// previously, NAN/INFINITY created a null value; now, the values are
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// properly stored, but are dumped as "null"
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SECTION("NAN value")
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{
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CHECK(json(NAN).dump() == "null");
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CHECK(json(json::number_float_t(NAN)).dump() == "null");
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}
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SECTION("infinity")
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{
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CHECK(json(INFINITY).dump() == "null");
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CHECK(json(json::number_float_t(INFINITY)).dump() == "null");
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}
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// With 3.0.0, the semantics of this changed: NAN and infinity are
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// stored properly inside the JSON value (no exception or conversion
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// to null), but are serialized as null.
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SECTION("NAN value")
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{
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json j1 = NAN;
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CHECK(j1.is_number_float());
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json::number_float_t f1{j1};
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CHECK(std::isnan(f1));
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json j2 = static_cast<json::number_float_t>(NAN);
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CHECK(j2.is_number_float());
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json::number_float_t f2{j2};
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CHECK(std::isnan(f2));
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}
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SECTION("infinity")
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{
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json j1 = INFINITY;
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CHECK(j1.is_number_float());
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json::number_float_t f1{j1};
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CHECK(!std::isfinite(f1));
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json j2 = static_cast<json::number_float_t>(INFINITY);
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CHECK(j2.is_number_float());
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json::number_float_t f2{j2};
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CHECK(!std::isfinite(f2));
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}
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}
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SECTION("pull request #71 - handle enum type")
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{
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enum { t = 0, u = 102};
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json j = json::array();
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j.push_back(t);
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// maybe this is not the place to test this?
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json j2 = u;
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auto anon_enum_value = j2.get<decltype(u)>();
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CHECK(u == anon_enum_value);
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// check if the actual value was stored
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CHECK(j2 == 102);
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static_assert(std::is_same<decltype(anon_enum_value), decltype(u)>::value, "types must be the same");
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j.push_back(json::object(
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{
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{"game_type", t}
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}));
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}
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SECTION("issue #76 - dump() / parse() not idempotent")
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{
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// create JSON object
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json fields;
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fields["one"] = std::string("one");
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fields["two"] = std::string("two three");
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fields["three"] = std::string("three \"four\"");
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// create another JSON object by deserializing the serialization
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std::string payload = fields.dump();
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json parsed_fields = json::parse(payload);
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// check individual fields to match both objects
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CHECK(parsed_fields["one"] == fields["one"]);
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CHECK(parsed_fields["two"] == fields["two"]);
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CHECK(parsed_fields["three"] == fields["three"]);
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// check individual fields to match original input
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CHECK(parsed_fields["one"] == std::string("one"));
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CHECK(parsed_fields["two"] == std::string("two three"));
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CHECK(parsed_fields["three"] == std::string("three \"four\""));
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// check equality of the objects
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CHECK(parsed_fields == fields);
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// check equality of the serialized objects
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CHECK(fields.dump() == parsed_fields.dump());
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// check everything in one line
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CHECK(fields == json::parse(fields.dump()));
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}
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SECTION("issue #82 - lexer::get_number return NAN")
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{
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const auto* const content = R"(
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{
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"Test":"Test1",
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"Number":100,
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"Foo":42.42
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})";
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std::stringstream ss;
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ss << content;
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json j;
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ss >> j;
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auto test = j["Test"].get<std::string>();
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CHECK(test == "Test1");
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int number{j["Number"]};
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CHECK(number == 100);
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float foo{j["Foo"]};
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CHECK(static_cast<double>(foo) == Approx(42.42));
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}
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SECTION("issue #89 - nonstandard integer type")
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{
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// create JSON class with nonstandard integer number type
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using custom_json =
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nlohmann::basic_json<std::map, std::vector, std::string, bool, int32_t, uint32_t, float>;
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custom_json j;
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j["int_1"] = 1;
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CHECK(j["int_1"] == 1);
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// tests for correct handling of non-standard integers that overflow the type selected by the user
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// unsigned integer object creation - expected to wrap and still be stored as an integer
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j = 4294967296U; // 2^32
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CHECK(static_cast<int>(j.type()) == static_cast<int>(custom_json::value_t::number_unsigned));
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CHECK(j.get<uint32_t>() == 0); // Wrap
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// unsigned integer parsing - expected to overflow and be stored as a float
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j = custom_json::parse("4294967296"); // 2^32
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CHECK(static_cast<int>(j.type()) == static_cast<int>(custom_json::value_t::number_float));
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CHECK(j.get<float>() == 4294967296.0f);
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// integer object creation - expected to wrap and still be stored as an integer
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j = -2147483649LL; // -2^31-1
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CHECK(static_cast<int>(j.type()) == static_cast<int>(custom_json::value_t::number_integer));
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CHECK(j.get<int32_t>() == 2147483647); // Wrap
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// integer parsing - expected to overflow and be stored as a float with rounding
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j = custom_json::parse("-2147483649"); // -2^31
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CHECK(static_cast<int>(j.type()) == static_cast<int>(custom_json::value_t::number_float));
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CHECK(j.get<float>() == -2147483650.0f);
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}
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SECTION("issue #93 reverse_iterator operator inheritance problem")
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{
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{
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json a = {1, 2, 3};
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json::reverse_iterator rit = a.rbegin();
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++rit;
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CHECK(*rit == json(2));
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CHECK(rit.value() == json(2));
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}
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{
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json a = {1, 2, 3};
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json::reverse_iterator rit = ++a.rbegin();
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CHECK(*rit == json(2));
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CHECK(rit.value() == json(2));
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}
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{
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json a = {1, 2, 3};
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json::reverse_iterator rit = a.rbegin();
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++rit;
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json b = {0, 0, 0};
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std::transform(rit, a.rend(), b.rbegin(), [](json el)
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{
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return el;
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});
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CHECK(b == json({0, 1, 2}));
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}
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{
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json a = {1, 2, 3};
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json b = {0, 0, 0};
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std::transform(++a.rbegin(), a.rend(), b.rbegin(), [](json el)
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{
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return el;
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});
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CHECK(b == json({0, 1, 2}));
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}
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}
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SECTION("issue #100 - failed to iterator json object with reverse_iterator")
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{
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json config =
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{
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{ "111", 111 },
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{ "112", 112 },
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{ "113", 113 }
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};
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std::stringstream ss;
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for (auto it = config.begin(); it != config.end(); ++it)
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{
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ss << it.key() << ": " << it.value() << '\n';
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}
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for (auto it = config.rbegin(); it != config.rend(); ++it)
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{
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ss << it.key() << ": " << it.value() << '\n';
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}
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CHECK(ss.str() == "111: 111\n112: 112\n113: 113\n113: 113\n112: 112\n111: 111\n");
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}
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SECTION("issue #101 - binary string causes numbers to be dumped as hex")
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{
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int64_t number = 10;
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std::string bytes{"\x00" "asdf\n", 6};
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json j;
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j["int64"] = number;
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j["binary string"] = bytes;
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// make sure the number is really printed as decimal "10" and not as
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// hexadecimal "a"
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CHECK(j.dump() == "{\"binary string\":\"\\u0000asdf\\n\",\"int64\":10}");
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}
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SECTION("issue #111 - subsequent unicode chars")
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{
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std::string bytes{0x7, 0x7};
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json j;
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j["string"] = bytes;
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CHECK(j["string"] == "\u0007\u0007");
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}
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#if JSON_USE_IMPLICIT_CONVERSIONS
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SECTION("issue #144 - implicit assignment to std::string fails")
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{
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json o = {{"name", "value"}};
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std::string s1 = o["name"];
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CHECK(s1 == "value");
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std::string s2;
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s2 = o["name"];
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CHECK(s2 == "value");
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// improve coverage
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o["int"] = 1;
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#if JSON_DIAGNOSTICS
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CHECK_THROWS_WITH_AS(s2 = o["int"], "[json.exception.type_error.302] (/int) type must be string, but is number", json::type_error);
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#else
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CHECK_THROWS_WITH_AS(s2 = o["int"], "[json.exception.type_error.302] type must be string, but is number", json::type_error);
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#endif
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}
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#endif
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SECTION("issue #146 - character following a surrogate pair is skipped")
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{
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CHECK(json::parse("\"\\ud80c\\udc60abc\"").get<json::string_t>() == "\xf0\x93\x81\xa0\x61\x62\x63");
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}
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SECTION("issue #171 - Cannot index by key of type static constexpr const char*")
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{
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json j;
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// Non-const access with key as "char []"
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char array_key[] = "Key1"; // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays)
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CHECK_NOTHROW(j[array_key] = 1);
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CHECK(j[array_key] == json(1));
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// Non-const access with key as "const char[]"
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const char const_array_key[] = "Key2"; // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays)
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CHECK_NOTHROW(j[const_array_key] = 2);
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CHECK(j[const_array_key] == json(2));
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// Non-const access with key as "char *"
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char _ptr_key[] = "Key3"; // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays)
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char* ptr_key = &_ptr_key[0]; // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
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CHECK_NOTHROW(j[ptr_key] = 3);
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CHECK(j[ptr_key] == json(3));
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// Non-const access with key as "const char *"
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const char* const_ptr_key = "Key4";
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CHECK_NOTHROW(j[const_ptr_key] = 4);
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CHECK(j[const_ptr_key] == json(4));
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// Non-const access with key as "static constexpr const char *"
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static constexpr const char* constexpr_ptr_key = "Key5";
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CHECK_NOTHROW(j[constexpr_ptr_key] = 5);
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CHECK(j[constexpr_ptr_key] == json(5));
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const json j_const = j;
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// Const access with key as "char []"
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CHECK(j_const[array_key] == json(1));
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// Const access with key as "const char[]"
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CHECK(j_const[const_array_key] == json(2));
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// Const access with key as "char *"
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CHECK(j_const[ptr_key] == json(3));
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// Const access with key as "const char *"
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CHECK(j_const[const_ptr_key] == json(4));
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// Const access with key as "static constexpr const char *"
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CHECK(j_const[constexpr_ptr_key] == json(5));
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}
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SECTION("issue #186 miloyip/nativejson-benchmark: floating-point parsing")
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{
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json j;
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j = json::parse("-0.0");
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CHECK(j.get<double>() == -0.0);
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j = json::parse("2.22507385850720113605740979670913197593481954635164564e-308");
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CHECK(j.get<double>() == 2.2250738585072009e-308);
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j = json::parse("0.999999999999999944488848768742172978818416595458984374");
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CHECK(j.get<double>() == 0.99999999999999989);
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j = json::parse("1.00000000000000011102230246251565404236316680908203126");
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CHECK(j.get<double>() == 1.00000000000000022);
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j = json::parse("7205759403792793199999e-5");
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CHECK(j.get<double>() == 72057594037927928.0);
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j = json::parse("922337203685477529599999e-5");
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CHECK(j.get<double>() == 9223372036854774784.0);
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j = json::parse("1014120480182583464902367222169599999e-5");
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CHECK(j.get<double>() == 10141204801825834086073718800384.0);
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j = json::parse("5708990770823839207320493820740630171355185151999e-3");
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CHECK(j.get<double>() == 5708990770823838890407843763683279797179383808.0);
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// create JSON class with nonstandard float number type
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// float
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nlohmann::basic_json<std::map, std::vector, std::string, bool, int32_t, uint32_t, float> j_float =
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1.23e25f;
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CHECK(j_float.get<float>() == 1.23e25f);
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// double
|
|
nlohmann::basic_json<std::map, std::vector, std::string, bool, int64_t, uint64_t, double> j_double =
|
|
1.23e35;
|
|
CHECK(j_double.get<double>() == 1.23e35);
|
|
|
|
// long double
|
|
nlohmann::basic_json<std::map, std::vector, std::string, bool, int64_t, uint64_t, long double>
|
|
j_long_double = 1.23e45L;
|
|
CHECK(j_long_double.get<long double>() == 1.23e45L);
|
|
}
|
|
|
|
SECTION("issue #228 - double values are serialized with commas as decimal points")
|
|
{
|
|
json j1a = 2312.42;
|
|
json j1b = json::parse("2312.42");
|
|
|
|
json j2a = 2342e-2;
|
|
//issue #230
|
|
//json j2b = json::parse("2342e-2");
|
|
|
|
json j3a = 10E3;
|
|
json j3b = json::parse("10E3");
|
|
json j3c = json::parse("10e3");
|
|
|
|
// class to create a locale that would use a comma for decimals
|
|
class CommaDecimalSeparator : public std::numpunct<char>
|
|
{
|
|
protected:
|
|
char do_decimal_point() const override
|
|
{
|
|
return ',';
|
|
}
|
|
|
|
char do_thousands_sep() const override
|
|
{
|
|
return '.';
|
|
}
|
|
|
|
std::string do_grouping() const override
|
|
{
|
|
return "\03";
|
|
}
|
|
};
|
|
|
|
// change locale to mess with decimal points
|
|
auto orig_locale = std::locale::global(std::locale(std::locale(), new CommaDecimalSeparator));
|
|
|
|
CHECK(j1a.dump() == "2312.42");
|
|
CHECK(j1b.dump() == "2312.42");
|
|
|
|
// check if locale is properly reset
|
|
std::stringstream ss;
|
|
ss.imbue(std::locale(std::locale(), new CommaDecimalSeparator));
|
|
ss << 4712.11;
|
|
CHECK(ss.str() == "4.712,11");
|
|
ss << j1a;
|
|
CHECK(ss.str() == "4.712,112312.42");
|
|
ss << 47.11;
|
|
CHECK(ss.str() == "4.712,112312.4247,11");
|
|
|
|
CHECK(j2a.dump() == "23.42");
|
|
//issue #230
|
|
//CHECK(j2b.dump() == "23.42");
|
|
|
|
CHECK(j3a.dump() == "10000.0");
|
|
CHECK(j3b.dump() == "10000.0");
|
|
CHECK(j3c.dump() == "10000.0");
|
|
//CHECK(j3b.dump() == "1E04"); // roundtrip error
|
|
//CHECK(j3c.dump() == "1e04"); // roundtrip error
|
|
|
|
std::locale::global(orig_locale);
|
|
}
|
|
|
|
SECTION("issue #378 - locale-independent num-to-str")
|
|
{
|
|
static_cast<void>(setlocale(LC_NUMERIC, "de_DE.UTF-8"));
|
|
|
|
// verify that dumped correctly with '.' and no grouping
|
|
const json j1 = 12345.67;
|
|
CHECK(json(12345.67).dump() == "12345.67");
|
|
static_cast<void>(setlocale(LC_NUMERIC, "C"));
|
|
}
|
|
|
|
SECTION("issue #379 - locale-independent str-to-num")
|
|
{
|
|
static_cast<void>(setlocale(LC_NUMERIC, "de_DE.UTF-8"));
|
|
|
|
// verify that parsed correctly despite using strtod internally
|
|
CHECK(json::parse("3.14").get<double>() == 3.14);
|
|
|
|
// check a different code path
|
|
CHECK(json::parse("1.000000000000000000000000000000000000000000000000000000000000000000000000").get<double>() == 1.0);
|
|
}
|
|
|
|
SECTION("issue #233 - Can't use basic_json::iterator as a base iterator for std::move_iterator")
|
|
{
|
|
json source = {"a", "b", "c"};
|
|
json expected = {"a", "b"};
|
|
json dest;
|
|
|
|
std::copy_n(std::make_move_iterator(source.begin()), 2, std::back_inserter(dest));
|
|
|
|
CHECK(dest == expected);
|
|
}
|
|
|
|
SECTION("issue #235 - ambiguous overload for 'push_back' and 'operator+='")
|
|
{
|
|
json data = {{"key", "value"}};
|
|
data.push_back({"key2", "value2"});
|
|
data += {"key3", "value3"};
|
|
|
|
CHECK(data == json({{"key", "value"}, {"key2", "value2"}, {"key3", "value3"}}));
|
|
}
|
|
|
|
SECTION("issue #269 - diff generates incorrect patch when removing multiple array elements")
|
|
{
|
|
json doc = R"( { "arr1": [1, 2, 3, 4] } )"_json;
|
|
json expected = R"( { "arr1": [1, 2] } )"_json;
|
|
|
|
// check roundtrip
|
|
CHECK(doc.patch(json::diff(doc, expected)) == expected);
|
|
}
|
|
|
|
SECTION("issue #283 - value() does not work with _json_pointer types")
|
|
{
|
|
json j =
|
|
{
|
|
{"object", {{"key1", 1}, {"key2", 2}}},
|
|
};
|
|
|
|
int at_integer{j.at("/object/key2"_json_pointer)};
|
|
int val_integer = j.value("/object/key2"_json_pointer, 0);
|
|
|
|
CHECK(at_integer == val_integer);
|
|
}
|
|
|
|
SECTION("issue #304 - Unused variable warning")
|
|
{
|
|
// code triggered a "warning: unused variable" warning and is left
|
|
// here to avoid the warning in the future
|
|
json object;
|
|
json patch = json::array();
|
|
object = object.patch(patch);
|
|
}
|
|
|
|
SECTION("issue #306 - Parsing fails without space at end of file")
|
|
{
|
|
for (const auto* filename :
|
|
{
|
|
TEST_DATA_DIRECTORY "/regression/broken_file.json",
|
|
TEST_DATA_DIRECTORY "/regression/working_file.json"
|
|
})
|
|
{
|
|
CAPTURE(filename)
|
|
json j;
|
|
std::ifstream f(filename);
|
|
CHECK_NOTHROW(f >> j);
|
|
}
|
|
}
|
|
|
|
SECTION("issue #310 - make json_benchmarks no longer working in 2.0.4")
|
|
{
|
|
for (const auto* filename :
|
|
{
|
|
TEST_DATA_DIRECTORY "/regression/floats.json",
|
|
TEST_DATA_DIRECTORY "/regression/signed_ints.json",
|
|
TEST_DATA_DIRECTORY "/regression/unsigned_ints.json",
|
|
TEST_DATA_DIRECTORY "/regression/small_signed_ints.json"
|
|
})
|
|
{
|
|
CAPTURE(filename)
|
|
json j;
|
|
std::ifstream f(filename);
|
|
CHECK_NOTHROW(f >> j);
|
|
}
|
|
}
|
|
|
|
SECTION("issue #323 - add nested object capabilities to pointers")
|
|
{
|
|
json j;
|
|
j["/this/that/2"_json_pointer] = 27;
|
|
CHECK(j == json({{"this", {{"that", {nullptr, nullptr, 27}}}}}));
|
|
}
|
|
|
|
SECTION("issue #329 - serialized value not always can be parsed")
|
|
{
|
|
json _;
|
|
CHECK_THROWS_WITH_AS(_ = json::parse("22e2222"), "[json.exception.out_of_range.406] number overflow parsing '22e2222'", json::out_of_range&);
|
|
}
|
|
|
|
SECTION("issue #360 - Loss of precision when serializing <double>")
|
|
{
|
|
auto check_roundtrip = [](double number)
|
|
{
|
|
CAPTURE(number)
|
|
|
|
json j = number;
|
|
CHECK(j.is_number_float());
|
|
|
|
std::stringstream ss;
|
|
ss << j;
|
|
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j.is_number_float());
|
|
CHECK(j.get<json::number_float_t>() == number);
|
|
};
|
|
|
|
check_roundtrip(100000000000.1236);
|
|
check_roundtrip((std::numeric_limits<json::number_float_t>::max)());
|
|
|
|
// Some more numbers which fail to roundtrip when serialized with digits10 significand digits (instead of max_digits10)
|
|
check_roundtrip(1.541888611948064e-17);
|
|
check_roundtrip(5.418771028591015e-16);
|
|
check_roundtrip(9.398685592608595e-15);
|
|
check_roundtrip(8.826843952762347e-14);
|
|
check_roundtrip(8.143291313475335e-13);
|
|
check_roundtrip(4.851328172762508e-12);
|
|
check_roundtrip(6.677850998084358e-11);
|
|
check_roundtrip(3.995398518174525e-10);
|
|
check_roundtrip(1.960452605645124e-9);
|
|
check_roundtrip(3.551812586302883e-8);
|
|
check_roundtrip(2.947988411689261e-7);
|
|
check_roundtrip(8.210166748056192e-6);
|
|
check_roundtrip(6.104889704266753e-5);
|
|
check_roundtrip(0.0008629954631330876);
|
|
check_roundtrip(0.004936993881051611);
|
|
check_roundtrip(0.08309725102608073);
|
|
check_roundtrip(0.5210494268499783);
|
|
check_roundtrip(6.382927930939767);
|
|
check_roundtrip(59.94947245358671);
|
|
check_roundtrip(361.0838651266122);
|
|
check_roundtrip(4678.354596181877);
|
|
check_roundtrip(61412.17658956043);
|
|
check_roundtrip(725696.0799057782);
|
|
check_roundtrip(2811732.583399828);
|
|
check_roundtrip(30178351.07533605);
|
|
check_roundtrip(689684880.3235844);
|
|
check_roundtrip(5714887673.555147);
|
|
check_roundtrip(84652038821.18808);
|
|
check_roundtrip(156510583431.7721);
|
|
check_roundtrip(5938450569021.732);
|
|
check_roundtrip(83623297654460.33);
|
|
check_roundtrip(701466573254773.6);
|
|
check_roundtrip(1369013370304513);
|
|
check_roundtrip(96963648023094720); // NOLINT(bugprone-narrowing-conversions,cppcoreguidelines-narrowing-conversions)
|
|
check_roundtrip(3.478237409280108e+17);
|
|
}
|
|
|
|
SECTION("issue #366 - json::parse on failed stream gets stuck")
|
|
{
|
|
std::ifstream f("file_not_found.json");
|
|
json _;
|
|
CHECK_THROWS_WITH_AS(_ = json::parse(f), "[json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal", json::parse_error&);
|
|
}
|
|
|
|
SECTION("issue #367 - calling stream at EOF")
|
|
{
|
|
std::stringstream ss;
|
|
json j;
|
|
ss << "123";
|
|
CHECK_NOTHROW(ss >> j);
|
|
|
|
// see https://github.com/nlohmann/json/issues/367#issuecomment-262841893:
|
|
// ss is not at EOF; this yielded an error before the fix
|
|
// (threw basic_string::append). No, it should just throw
|
|
// a parse error because of the EOF.
|
|
CHECK_THROWS_WITH_AS(ss >> j, "[json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal", json::parse_error&);
|
|
}
|
|
|
|
SECTION("issue #367 - behavior of operator>> should more closely resemble that of built-in overloads")
|
|
{
|
|
SECTION("(empty)")
|
|
{
|
|
std::stringstream ss;
|
|
json j;
|
|
CHECK_THROWS_WITH_AS(ss >> j, "[json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal", json::parse_error&);
|
|
}
|
|
|
|
SECTION("(whitespace)")
|
|
{
|
|
std::stringstream ss;
|
|
ss << " ";
|
|
json j;
|
|
CHECK_THROWS_WITH_AS(ss >> j,
|
|
"[json.exception.parse_error.101] parse error at line 1, column 4: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal", json::parse_error&);
|
|
}
|
|
|
|
SECTION("one value")
|
|
{
|
|
std::stringstream ss;
|
|
ss << "111";
|
|
json j;
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == 111);
|
|
|
|
CHECK_THROWS_WITH_AS(ss >> j, "[json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal", json::parse_error&);
|
|
}
|
|
|
|
SECTION("one value + whitespace")
|
|
{
|
|
std::stringstream ss;
|
|
ss << "222 \t\n";
|
|
json j;
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == 222);
|
|
|
|
CHECK_THROWS_WITH_AS(ss >> j,
|
|
"[json.exception.parse_error.101] parse error at line 2, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal", json::parse_error&);
|
|
}
|
|
|
|
SECTION("whitespace + one value")
|
|
{
|
|
std::stringstream ss;
|
|
ss << "\n\t 333";
|
|
json j;
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == 333);
|
|
|
|
CHECK_THROWS_WITH_AS(ss >> j, "[json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal", json::parse_error&);
|
|
}
|
|
|
|
SECTION("three values")
|
|
{
|
|
std::stringstream ss;
|
|
ss << " 111 \n222\n \n 333";
|
|
json j;
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == 111);
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == 222);
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == 333);
|
|
|
|
CHECK_THROWS_WITH_AS(ss >> j, "[json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal", json::parse_error&);
|
|
}
|
|
|
|
SECTION("literals without whitespace")
|
|
{
|
|
std::stringstream ss;
|
|
ss << "truefalsenull\"\"";
|
|
json j;
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == true);
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == false);
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == nullptr);
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == "");
|
|
|
|
CHECK_THROWS_WITH_AS(ss >> j, "[json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal", json::parse_error&);
|
|
}
|
|
|
|
SECTION("example from #529")
|
|
{
|
|
std::stringstream ss;
|
|
ss << "{\n \"one\" : 1,\n \"two\" : 2\n}\n{\n \"three\" : 3\n}";
|
|
json j;
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == json({{"one", 1}, {"two", 2}}));
|
|
CHECK_NOTHROW(ss >> j);
|
|
CHECK(j == json({{"three", 3}}));
|
|
|
|
CHECK_THROWS_WITH_AS(ss >> j, "[json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal", json::parse_error&);
|
|
}
|
|
|
|
SECTION("second example from #529")
|
|
{
|
|
std::string str = "{\n\"one\" : 1,\n\"two\" : 2\n}\n{\n\"three\" : 3\n}";
|
|
|
|
{
|
|
std::ofstream file("test.json");
|
|
file << str;
|
|
}
|
|
|
|
std::ifstream stream("test.json", std::ifstream::in);
|
|
json val;
|
|
|
|
size_t i = 0;
|
|
while (stream.peek() != EOF)
|
|
{
|
|
CAPTURE(i)
|
|
CHECK_NOTHROW(stream >> val);
|
|
|
|
CHECK(i < 2);
|
|
|
|
if (i == 0)
|
|
{
|
|
CHECK(val == json({{"one", 1}, {"two", 2}}));
|
|
}
|
|
|
|
if (i == 1)
|
|
{
|
|
CHECK(val == json({{"three", 3}}));
|
|
}
|
|
|
|
++i;
|
|
}
|
|
|
|
static_cast<void>(std::remove("test.json"));
|
|
}
|
|
}
|
|
|
|
SECTION("issue #389 - Integer-overflow (OSS-Fuzz issue 267)")
|
|
{
|
|
// original test case
|
|
json j1 = json::parse("-9223372036854775808");
|
|
CHECK(j1.is_number_integer());
|
|
CHECK(j1.get<json::number_integer_t>() == INT64_MIN);
|
|
|
|
// edge case (+1; still an integer)
|
|
json j2 = json::parse("-9223372036854775807");
|
|
CHECK(j2.is_number_integer());
|
|
CHECK(j2.get<json::number_integer_t>() == INT64_MIN + 1);
|
|
|
|
// edge case (-1; overflow -> floats)
|
|
json j3 = json::parse("-9223372036854775809");
|
|
CHECK(j3.is_number_float());
|
|
}
|
|
|
|
SECTION("issue #380 - bug in overflow detection when parsing integers")
|
|
{
|
|
json j = json::parse("166020696663385964490");
|
|
CHECK(j.is_number_float());
|
|
CHECK(j.get<json::number_float_t>() == 166020696663385964490.0);
|
|
}
|
|
|
|
SECTION("issue #405 - Heap-buffer-overflow (OSS-Fuzz issue 342)")
|
|
{
|
|
// original test case
|
|
std::vector<uint8_t> vec {0x65, 0xf5, 0x0a, 0x48, 0x21};
|
|
json _;
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec), "[json.exception.parse_error.110] parse error at byte 6: syntax error while parsing CBOR string: unexpected end of input", json::parse_error&);
|
|
}
|
|
|
|
SECTION("issue #407 - Heap-buffer-overflow (OSS-Fuzz issue 343)")
|
|
{
|
|
json _;
|
|
|
|
// original test case: incomplete float64
|
|
std::vector<uint8_t> vec1 {0xcb, 0x8f, 0x0a};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_msgpack(vec1), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing MessagePack number: unexpected end of input", json::parse_error&);
|
|
|
|
// related test case: incomplete float32
|
|
std::vector<uint8_t> vec2 {0xca, 0x8f, 0x0a};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_msgpack(vec2), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing MessagePack number: unexpected end of input", json::parse_error&);
|
|
|
|
// related test case: incomplete Half-Precision Float (CBOR)
|
|
std::vector<uint8_t> vec3 {0xf9, 0x8f};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec3), "[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR number: unexpected end of input", json::parse_error&);
|
|
|
|
// related test case: incomplete Single-Precision Float (CBOR)
|
|
std::vector<uint8_t> vec4 {0xfa, 0x8f, 0x0a};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec4), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing CBOR number: unexpected end of input", json::parse_error&);
|
|
|
|
// related test case: incomplete Double-Precision Float (CBOR)
|
|
std::vector<uint8_t> vec5 {0xfb, 0x8f, 0x0a};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec5), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing CBOR number: unexpected end of input", json::parse_error&);
|
|
}
|
|
|
|
SECTION("issue #408 - Heap-buffer-overflow (OSS-Fuzz issue 344)")
|
|
{
|
|
json _;
|
|
|
|
// original test case
|
|
std::vector<uint8_t> vec1 {0x87};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_msgpack(vec1), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing MessagePack string: unexpected end of input", json::parse_error&);
|
|
|
|
// more test cases for MessagePack
|
|
for (auto b :
|
|
{
|
|
0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, // fixmap
|
|
0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, // fixarray
|
|
0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, // fixstr
|
|
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf
|
|
})
|
|
{
|
|
std::vector<uint8_t> vec(1, static_cast<uint8_t>(b));
|
|
CHECK_THROWS_AS(_ = json::from_msgpack(vec), json::parse_error&);
|
|
}
|
|
|
|
// more test cases for CBOR
|
|
for (auto b :
|
|
{
|
|
0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
|
|
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, // UTF-8 string
|
|
0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
|
|
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, // array
|
|
0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
|
|
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7 // map
|
|
})
|
|
{
|
|
std::vector<uint8_t> vec(1, static_cast<uint8_t>(b));
|
|
CHECK_THROWS_AS(_ = json::from_cbor(vec), json::parse_error&);
|
|
}
|
|
|
|
// special case: empty input
|
|
std::vector<uint8_t> vec2;
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec2), "[json.exception.parse_error.110] parse error at byte 1: syntax error while parsing CBOR value: unexpected end of input", json::parse_error&);
|
|
CHECK_THROWS_WITH_AS(_ = json::from_msgpack(vec2), "[json.exception.parse_error.110] parse error at byte 1: syntax error while parsing MessagePack value: unexpected end of input", json::parse_error&);
|
|
}
|
|
|
|
SECTION("issue #411 - Heap-buffer-overflow (OSS-Fuzz issue 366)")
|
|
{
|
|
json _;
|
|
|
|
// original test case: empty UTF-8 string (indefinite length)
|
|
std::vector<uint8_t> vec1 {0x7f};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec1), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR string: unexpected end of input", json::parse_error&);
|
|
|
|
// related test case: empty array (indefinite length)
|
|
std::vector<uint8_t> vec2 {0x9f};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec2), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR value: unexpected end of input", json::parse_error&);
|
|
|
|
// related test case: empty map (indefinite length)
|
|
std::vector<uint8_t> vec3 {0xbf};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec3), "[json.exception.parse_error.110] parse error at byte 2: syntax error while parsing CBOR string: unexpected end of input", json::parse_error&);
|
|
}
|
|
|
|
SECTION("issue #412 - Heap-buffer-overflow (OSS-Fuzz issue 367)")
|
|
{
|
|
// original test case
|
|
std::vector<uint8_t> vec
|
|
{
|
|
0xab, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98,
|
|
0x98, 0x98, 0x98, 0x98, 0x98, 0x00, 0x00, 0x00,
|
|
0x60, 0xab, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98,
|
|
0x98, 0x98, 0x98, 0x98, 0x98, 0x00, 0x00, 0x00,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0xa0, 0x9f,
|
|
0x9f, 0x97, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60,
|
|
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60
|
|
};
|
|
|
|
json _;
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec), "[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing CBOR string: expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0x98", json::parse_error&);
|
|
|
|
// related test case: nonempty UTF-8 string (indefinite length)
|
|
std::vector<uint8_t> vec1 {0x7f, 0x61, 0x61};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec1), "[json.exception.parse_error.110] parse error at byte 4: syntax error while parsing CBOR string: unexpected end of input", json::parse_error&);
|
|
|
|
// related test case: nonempty array (indefinite length)
|
|
std::vector<uint8_t> vec2 {0x9f, 0x01};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec2), "[json.exception.parse_error.110] parse error at byte 3: syntax error while parsing CBOR value: unexpected end of input", json::parse_error&);
|
|
|
|
// related test case: nonempty map (indefinite length)
|
|
std::vector<uint8_t> vec3 {0xbf, 0x61, 0x61, 0x01};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec3), "[json.exception.parse_error.110] parse error at byte 5: syntax error while parsing CBOR string: unexpected end of input", json::parse_error&);
|
|
}
|
|
|
|
SECTION("issue #414 - compare with literal 0)")
|
|
{
|
|
#define CHECK_TYPE(v) \
|
|
CHECK((json(v) == (v)));\
|
|
CHECK(((v) == json(v)));\
|
|
CHECK_FALSE((json(v) != (v)));\
|
|
CHECK_FALSE(((v) != json(v)));
|
|
|
|
CHECK_TYPE(nullptr)
|
|
CHECK_TYPE(0)
|
|
CHECK_TYPE(0u)
|
|
CHECK_TYPE(0L)
|
|
CHECK_TYPE(0.0)
|
|
CHECK_TYPE("") // NOLINT(readability-container-size-empty)
|
|
|
|
#undef CHECK_TYPE
|
|
}
|
|
|
|
SECTION("issue #416 - Use-of-uninitialized-value (OSS-Fuzz issue 377)")
|
|
{
|
|
// original test case
|
|
std::vector<uint8_t> vec1
|
|
{
|
|
0x94, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa,
|
|
0x3a, 0x96, 0x96, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
|
|
0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0x71,
|
|
0xb4, 0xb4, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0x3a,
|
|
0x96, 0x96, 0xb4, 0xb4, 0xfa, 0x94, 0x94, 0x61,
|
|
0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0xfa
|
|
};
|
|
|
|
json _;
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec1), "[json.exception.parse_error.113] parse error at byte 13: syntax error while parsing CBOR string: expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0xB4", json::parse_error&);
|
|
|
|
// related test case: double-precision
|
|
std::vector<uint8_t> vec2
|
|
{
|
|
0x94, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa,
|
|
0x3a, 0x96, 0x96, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
|
|
0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0x71,
|
|
0xb4, 0xb4, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0x3a,
|
|
0x96, 0x96, 0xb4, 0xb4, 0xfa, 0x94, 0x94, 0x61,
|
|
0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0xfb
|
|
};
|
|
CHECK_THROWS_WITH_AS(_ = json::from_cbor(vec2), "[json.exception.parse_error.113] parse error at byte 13: syntax error while parsing CBOR string: expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0xB4", json::parse_error&);
|
|
}
|
|
|
|
SECTION("issue #452 - Heap-buffer-overflow (OSS-Fuzz issue 585)")
|
|
{
|
|
std::vector<uint8_t> vec = {'-', '0', '1', '2', '2', '7', '4'};
|
|
json _;
|
|
CHECK_THROWS_AS(_ = json::parse(vec), json::parse_error&);
|
|
}
|
|
|
|
SECTION("issue #454 - doubles are printed as integers")
|
|
{
|
|
json j = R"({"bool_value":true,"double_value":2.0,"int_value":10,"level1":{"list_value":[3,"hi",false],"tmp":5.0},"string_value":"hello"})"_json;
|
|
CHECK(j["double_value"].is_number_float());
|
|
}
|
|
|
|
#if JSON_USE_IMPLICIT_CONVERSIONS
|
|
SECTION("issue #464 - VS2017 implicit to std::string conversion fix")
|
|
{
|
|
json v = "test";
|
|
std::string test;
|
|
test = v;
|
|
CHECK(v == "test");
|
|
}
|
|
#endif
|
|
|
|
SECTION("issue #465 - roundtrip error while parsing 1000000000000000010E5")
|
|
{
|
|
json j1 = json::parse("1000000000000000010E5");
|
|
std::string s1 = j1.dump();
|
|
json j2 = json::parse(s1);
|
|
std::string s2 = j2.dump();
|
|
CHECK(s1 == s2);
|
|
}
|
|
|
|
#if JSON_USE_IMPLICIT_CONVERSIONS
|
|
SECTION("issue #473 - inconsistent behavior in conversion to array type")
|
|
{
|
|
json j_array = {1, 2, 3, 4};
|
|
json j_number = 42;
|
|
json j_null = nullptr;
|
|
|
|
SECTION("std::vector")
|
|
{
|
|
auto create = [](const json & j)
|
|
{
|
|
std::vector<int> v = j;
|
|
};
|
|
|
|
CHECK_NOTHROW(create(j_array));
|
|
CHECK_THROWS_WITH_AS(create(j_number), "[json.exception.type_error.302] type must be array, but is number", json::type_error&);
|
|
CHECK_THROWS_WITH_AS(create(j_null), "[json.exception.type_error.302] type must be array, but is null", json::type_error&);
|
|
}
|
|
|
|
SECTION("std::list")
|
|
{
|
|
auto create = [](const json & j)
|
|
{
|
|
std::list<int> v = j;
|
|
};
|
|
|
|
CHECK_NOTHROW(create(j_array));
|
|
CHECK_THROWS_WITH_AS(create(j_number), "[json.exception.type_error.302] type must be array, but is number", json::type_error&);
|
|
CHECK_THROWS_WITH_AS(create(j_null), "[json.exception.type_error.302] type must be array, but is null", json::type_error&);
|
|
}
|
|
|
|
SECTION("std::forward_list")
|
|
{
|
|
auto create = [](const json & j)
|
|
{
|
|
std::forward_list<int> v = j;
|
|
};
|
|
|
|
CHECK_NOTHROW(create(j_array));
|
|
CHECK_THROWS_WITH_AS(create(j_number), "[json.exception.type_error.302] type must be array, but is number", json::type_error&);
|
|
CHECK_THROWS_WITH_AS(create(j_null), "[json.exception.type_error.302] type must be array, but is null", json::type_error&);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
SECTION("issue #486 - json::value_t can't be a map's key type in VC++ 2015")
|
|
{
|
|
// the code below must compile with MSVC
|
|
std::map<json::value_t, std::string> jsonTypes ;
|
|
jsonTypes[json::value_t::array] = "array";
|
|
}
|
|
|
|
SECTION("issue #494 - conversion from vector<bool> to json fails to build")
|
|
{
|
|
std::vector<bool> boolVector = {false, true, false, false};
|
|
json j;
|
|
j["bool_vector"] = boolVector;
|
|
|
|
CHECK(j["bool_vector"].dump() == "[false,true,false,false]");
|
|
}
|
|
|
|
SECTION("issue #504 - assertion error (OSS-Fuzz 856)")
|
|
{
|
|
std::vector<uint8_t> vec1 = {0xf9, 0xff, 0xff, 0x4a, 0x3a, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x37, 0x02, 0x38};
|
|
json j1 = json::from_cbor(vec1, false);
|
|
|
|
// step 2: round trip
|
|
std::vector<uint8_t> vec2 = json::to_cbor(j1);
|
|
|
|
// parse serialization
|
|
json j2 = json::from_cbor(vec2);
|
|
|
|
// NaN is dumped to "null"
|
|
CHECK(j2.is_number_float());
|
|
CHECK(std::isnan(j2.get<json::number_float_t>()));
|
|
CHECK(j2.dump() == "null");
|
|
|
|
// check if serializations match
|
|
CHECK(json::to_cbor(j2) == vec2);
|
|
}
|
|
|
|
SECTION("issue #512 - use of overloaded operator '<=' is ambiguous")
|
|
{
|
|
json j;
|
|
j["a"] = 5;
|
|
|
|
// json op scalar
|
|
CHECK(j["a"] == 5);
|
|
CHECK(j["a"] != 4);
|
|
|
|
CHECK(j["a"] <= 7);
|
|
CHECK(j["a"] < 7);
|
|
CHECK(j["a"] >= 3);
|
|
CHECK(j["a"] > 3);
|
|
|
|
|
|
CHECK(!(j["a"] <= 4));
|
|
CHECK(!(j["a"] < 4));
|
|
CHECK(!(j["a"] >= 6));
|
|
CHECK(!(j["a"] > 6));
|
|
|
|
// scalar op json
|
|
CHECK(5 == j["a"]);
|
|
CHECK(4 != j["a"]);
|
|
|
|
CHECK(7 >= j["a"]);
|
|
CHECK(7 > j["a"]);
|
|
CHECK(3 <= j["a"]);
|
|
CHECK(3 < j["a"]);
|
|
|
|
CHECK(!(4 >= j["a"]));
|
|
CHECK(!(4 > j["a"]));
|
|
CHECK(!(6 <= j["a"]));
|
|
CHECK(!(6 < j["a"]));
|
|
}
|
|
|
|
SECTION("issue #575 - heap-buffer-overflow (OSS-Fuzz 1400)")
|
|
{
|
|
json _;
|
|
std::vector<uint8_t> vec = {'"', '\\', '"', 'X', '"', '"'};
|
|
CHECK_THROWS_AS(_ = json::parse(vec), json::parse_error&);
|
|
}
|
|
|
|
#if JSON_USE_IMPLICIT_CONVERSIONS
|
|
SECTION("issue #600 - how does one convert a map in Json back to std::map?")
|
|
{
|
|
SECTION("example 1")
|
|
{
|
|
// create a map
|
|
std::map<std::string, int> m1 {{"key", 1}};
|
|
|
|
// create and print a JSON from the map
|
|
json j = m1;
|
|
|
|
// get the map out of JSON
|
|
std::map<std::string, int> m2 = j;
|
|
|
|
// make sure the roundtrip succeeds
|
|
CHECK(m1 == m2);
|
|
}
|
|
|
|
SECTION("example 2")
|
|
{
|
|
// create a map
|
|
std::map<std::string, std::string> m1 {{"key", "val"}};
|
|
|
|
// create and print a JSON from the map
|
|
json j = m1;
|
|
|
|
// get the map out of JSON
|
|
std::map<std::string, std::string> m2 = j;
|
|
|
|
// make sure the roundtrip succeeds
|
|
CHECK(m1 == m2);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
SECTION("issue #602 - BOM not skipped when using json:parse(iterator)")
|
|
{
|
|
std::string i = "\xef\xbb\xbf{\n \"foo\": true\n}";
|
|
json _;
|
|
CHECK_NOTHROW(_ = json::parse(i.begin(), i.end()));
|
|
}
|
|
|
|
#if JSON_USE_IMPLICIT_CONVERSIONS
|
|
SECTION("issue #702 - conversion from valarray<double> to json fails to build")
|
|
{
|
|
SECTION("original example")
|
|
{
|
|
std::valarray<double> v;
|
|
nlohmann::json j;
|
|
j["test"] = v;
|
|
}
|
|
|
|
SECTION("full example")
|
|
{
|
|
std::valarray<double> v = {1.2, 2.3, 3.4, 4.5};
|
|
json j = v;
|
|
std::valarray<double> vj = j;
|
|
|
|
CHECK(j == json(vj));
|
|
CHECK(v.size() == vj.size());
|
|
for (size_t i = 0; i < v.size(); ++i)
|
|
{
|
|
CHECK(v[i] == vj[i]);
|
|
CHECK(v[i] == j[i]);
|
|
}
|
|
|
|
CHECK_THROWS_WITH_AS(json().get<std::valarray<double>>(), "[json.exception.type_error.302] type must be array, but is null", json::type_error&);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
SECTION("issue #367 - Behavior of operator>> should more closely resemble that of built-in overloads.")
|
|
{
|
|
SECTION("example 1")
|
|
{
|
|
std::istringstream i1_2_3( R"({"first": "one" }{"second": "two"}3)" );
|
|
json j1;
|
|
json j2;
|
|
json j3;
|
|
i1_2_3 >> j1;
|
|
i1_2_3 >> j2;
|
|
i1_2_3 >> j3;
|
|
|
|
auto m1 = j1.get<std::map<std::string, std::string>>();
|
|
auto m2 = j2.get<std::map<std::string, std::string>>();
|
|
int i3{j3};
|
|
|
|
CHECK( m1 == ( std::map<std::string, std::string> {{ "first", "one" }} ));
|
|
CHECK( m2 == ( std::map<std::string, std::string> {{ "second", "two" }} ));
|
|
CHECK( i3 == 3 );
|
|
}
|
|
}
|
|
|
|
SECTION("issue #714 - throw std::ios_base::failure exception when failbit set to true")
|
|
{
|
|
{
|
|
std::ifstream is;
|
|
is.exceptions(
|
|
is.exceptions()
|
|
| std::ios_base::failbit
|
|
| std::ios_base::badbit
|
|
); // handle different exceptions as 'file not found', 'permission denied'
|
|
|
|
is.open(TEST_DATA_DIRECTORY "/regression/working_file.json");
|
|
json _;
|
|
CHECK_NOTHROW(_ = nlohmann::json::parse(is));
|
|
}
|
|
|
|
{
|
|
std::ifstream is;
|
|
is.exceptions(
|
|
is.exceptions()
|
|
| std::ios_base::failbit
|
|
| std::ios_base::badbit
|
|
); // handle different exceptions as 'file not found', 'permission denied'
|
|
|
|
is.open(TEST_DATA_DIRECTORY "/json_nlohmann_tests/all_unicode.json.cbor",
|
|
std::ios_base::in | std::ios_base::binary);
|
|
json _;
|
|
CHECK_NOTHROW(_ = nlohmann::json::from_cbor(is));
|
|
}
|
|
}
|
|
|
|
SECTION("issue #805 - copy constructor is used with std::initializer_list constructor.")
|
|
{
|
|
nocopy n;
|
|
json j;
|
|
j = {{"nocopy", n}};
|
|
CHECK(j["nocopy"]["val"] == 0);
|
|
}
|
|
|
|
SECTION("issue #838 - incorrect parse error with binary data in keys")
|
|
{
|
|
std::array<uint8_t, 28> key1 = {{ 103, 92, 117, 48, 48, 48, 55, 92, 114, 215, 126, 214, 95, 92, 34, 174, 40, 71, 38, 174, 40, 71, 38, 223, 134, 247, 127, 0 }};
|
|
std::string key1_str(reinterpret_cast<char*>(key1.data()));
|
|
json j = key1_str;
|
|
CHECK_THROWS_WITH_AS(j.dump(), "[json.exception.type_error.316] invalid UTF-8 byte at index 10: 0x7E", json::type_error&);
|
|
}
|
|
|
|
#if JSON_USE_IMPLICIT_CONVERSIONS
|
|
SECTION("issue #843 - converting to array not working")
|
|
{
|
|
json j;
|
|
std::array<int, 4> ar = {{1, 1, 1, 1}};
|
|
j = ar;
|
|
ar = j;
|
|
}
|
|
#endif
|
|
|
|
SECTION("issue #894 - invalid RFC6902 copy operation succeeds")
|
|
{
|
|
auto model = R"({
|
|
"one": {
|
|
"two": {
|
|
"three": "hello",
|
|
"four": 42
|
|
}
|
|
}
|
|
})"_json;
|
|
|
|
auto p1 = R"([{"op": "move",
|
|
"from": "/one/two/three",
|
|
"path": "/a/b/c"}])"_json;
|
|
CHECK_THROWS_WITH_AS(model.patch(p1),
|
|
"[json.exception.out_of_range.403] key 'a' not found", json::out_of_range&);
|
|
|
|
auto p2 = R"([{"op": "copy",
|
|
"from": "/one/two/three",
|
|
"path": "/a/b/c"}])"_json;
|
|
CHECK_THROWS_WITH_AS(model.patch(p2),
|
|
"[json.exception.out_of_range.403] key 'a' not found", json::out_of_range&);
|
|
}
|
|
|
|
SECTION("issue #961 - incorrect parsing of indefinite length CBOR strings")
|
|
{
|
|
std::vector<uint8_t> v_cbor =
|
|
{
|
|
0x7F,
|
|
0x64,
|
|
'a', 'b', 'c', 'd',
|
|
0x63,
|
|
'1', '2', '3',
|
|
0xFF
|
|
};
|
|
json j = json::from_cbor(v_cbor);
|
|
CHECK(j == "abcd123");
|
|
}
|
|
|
|
SECTION("issue #962 - Timeout (OSS-Fuzz 6034)")
|
|
{
|
|
json _;
|
|
std::vector<uint8_t> v_ubjson = {'[', '$', 'Z', '#', 'L', 0x78, 0x28, 0x00, 0x68, 0x28, 0x69, 0x69, 0x17};
|
|
CHECK_THROWS_AS(_ = json::from_ubjson(v_ubjson), json::out_of_range&);
|
|
//CHECK_THROWS_WITH(json::from_ubjson(v_ubjson),
|
|
// "[json.exception.out_of_range.408] excessive array size: 8658170730974374167");
|
|
|
|
v_ubjson[0] = '{';
|
|
CHECK_THROWS_AS(_ = json::from_ubjson(v_ubjson), json::out_of_range&);
|
|
//CHECK_THROWS_WITH(json::from_ubjson(v_ubjson),
|
|
// "[json.exception.out_of_range.408] excessive object size: 8658170730974374167");
|
|
}
|
|
|
|
SECTION("issue #971 - Add a SAX parser - late bug")
|
|
{
|
|
// a JSON text
|
|
const auto* text = R"(
|
|
{
|
|
"Image": {
|
|
"Width": 800,
|
|
"Height": 600,
|
|
"Title": "View from 15th Floor",
|
|
"Thumbnail": {
|
|
"Url": "http://www.example.com/image/481989943",
|
|
"Height": 125,
|
|
"Width": 100
|
|
},
|
|
"Animated" : false,
|
|
"IDs": [116, 943, 234, 38793]
|
|
}
|
|
}
|
|
)";
|
|
|
|
// define parser callback
|
|
json::parser_callback_t cb = [](int /*depth*/, json::parse_event_t event, json & parsed)
|
|
{
|
|
// skip object elements with key "Thumbnail"
|
|
return !(event == json::parse_event_t::key && parsed == json("Thumbnail"));
|
|
};
|
|
|
|
// parse (with callback) and serialize JSON
|
|
json j_filtered = json::parse(text, cb);
|
|
|
|
CHECK(j_filtered == R"({"Image":{"Animated":false,"Height":600,"IDs":[116,943,234,38793], "Title":"View from 15th Floor","Width":800}})"_json);
|
|
}
|
|
|
|
SECTION("issue #972 - Segmentation fault on G++ when trying to assign json string literal to custom json type")
|
|
{
|
|
my_json foo = R"([1, 2, 3])"_json;
|
|
}
|
|
|
|
SECTION("issue #977 - Assigning between different json types")
|
|
{
|
|
foo_json lj = ns::foo{3};
|
|
ns::foo ff(lj);
|
|
CHECK(lj.is_object());
|
|
CHECK(lj.size() == 1);
|
|
CHECK(lj["x"] == 3);
|
|
CHECK(ff.x == 3);
|
|
nlohmann::json nj = lj; // This line works as expected
|
|
}
|
|
}
|
|
|
|
#if !defined(JSON_NOEXCEPTION)
|
|
TEST_CASE("regression tests, exceptions dependent")
|
|
{
|
|
SECTION("issue #1340 - eof not set on exhausted input stream")
|
|
{
|
|
std::stringstream s("{}{}");
|
|
json j;
|
|
s >> j;
|
|
s >> j;
|
|
CHECK_THROWS_AS(s >> j, json::parse_error const&);
|
|
CHECK(s.eof());
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
// for #1642
|
|
/////////////////////////////////////////////////////////////////////
|
|
|
|
// the code below fails with Clang on Windows, so we need to exclude it there
|
|
#if defined(__clang__) && (defined(WIN32) || defined(_WIN32) || defined(__WIN32) && !defined(__CYGWIN__))
|
|
#else
|
|
template <typename T> class array {};
|
|
template <typename T> class object {};
|
|
template <typename T> class string {};
|
|
template <typename T> class number_integer {};
|
|
template <typename T> class number_unsigned {};
|
|
template <typename T> class number_float {};
|
|
#endif
|