--- /dev/null
+/*
+ __ _____ _____ _____
+ __| | __| | | | JSON for Modern C++ (test suite)
+| | |__ | | | | | | version 3.10.5
+|_____|_____|_____|_|___| https://github.com/nlohmann/json
+
+Licensed under the MIT License <http://opensource.org/licenses/MIT>.
+SPDX-License-Identifier: MIT
+Copyright (c) 2013-2022 Niels Lohmann <http://nlohmann.me>.
+
+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"
+
+// for some reason including this after the json header leads to linker errors with VS 2017...
+#include <locale>
+
+#define JSON_TESTS_PRIVATE
+#include <nlohmann/json.hpp>
+using json = nlohmann::json;
+using ordered_json = nlohmann::ordered_json;
+
+#include <cstdio>
+#include <list>
+#include <type_traits>
+#include <utility>
+
+#if (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464
+ #define JSON_HAS_CPP_17
+#endif
+
+#ifdef JSON_HAS_CPP_17
+ #include <variant>
+
+ #if !defined(JSON_HAS_FILESYSTEM) && !defined(JSON_HAS_EXPERIMENTAL_FILESYSTEM)
+ #if defined(__cpp_lib_filesystem)
+ #define JSON_HAS_FILESYSTEM 1
+ #elif defined(__cpp_lib_experimental_filesystem)
+ #define JSON_HAS_EXPERIMENTAL_FILESYSTEM 1
+ #elif !defined(__has_include)
+ #define JSON_HAS_EXPERIMENTAL_FILESYSTEM 1
+ #elif __has_include(<filesystem>)
+ #define JSON_HAS_FILESYSTEM 1
+ #elif __has_include(<experimental/filesystem>)
+ #define JSON_HAS_EXPERIMENTAL_FILESYSTEM 1
+ #endif
+
+ // std::filesystem does not work on MinGW GCC 8: https://sourceforge.net/p/mingw-w64/bugs/737/
+ #if defined(__MINGW32__) && defined(__GNUC__) && __GNUC__ == 8
+ #undef JSON_HAS_FILESYSTEM
+ #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM
+ #endif
+
+ // no filesystem support before GCC 8: https://en.cppreference.com/w/cpp/compiler_support
+ #if defined(__GNUC__) && __GNUC__ < 8 && !defined(__clang__)
+ #undef JSON_HAS_FILESYSTEM
+ #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM
+ #endif
+
+ // no filesystem support before Clang 7: https://en.cppreference.com/w/cpp/compiler_support
+ #if defined(__clang_major__) && __clang_major__ < 7
+ #undef JSON_HAS_FILESYSTEM
+ #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM
+ #endif
+
+ // no filesystem support before MSVC 19.14: https://en.cppreference.com/w/cpp/compiler_support
+ #if defined(_MSC_VER) && _MSC_VER < 1940
+ #undef JSON_HAS_FILESYSTEM
+ #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM
+ #endif
+
+ // no filesystem support before iOS 13
+ #if defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < 130000
+ #undef JSON_HAS_FILESYSTEM
+ #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM
+ #endif
+
+ // no filesystem support before macOS Catalina
+ #if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < 101500
+ #undef JSON_HAS_FILESYSTEM
+ #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM
+ #endif
+ #endif
+#endif
+
+#ifndef JSON_HAS_EXPERIMENTAL_FILESYSTEM
+ #define JSON_HAS_EXPERIMENTAL_FILESYSTEM 0
+#endif
+
+#ifndef JSON_HAS_FILESYSTEM
+ #define JSON_HAS_FILESYSTEM 0
+#endif
+
+#if JSON_HAS_EXPERIMENTAL_FILESYSTEM
+#include <experimental/filesystem>
+namespace nlohmann::detail
+{
+namespace std_fs = std::experimental::filesystem;
+} // namespace nlohmann::detail
+#elif JSON_HAS_FILESYSTEM
+#include <filesystem>
+namespace nlohmann::detail
+{
+namespace std_fs = std::filesystem;
+} // namespace nlohmann::detail
+#endif
+
+
+#ifdef JSON_HAS_CPP_20
+ #include <span>
+#endif
+
+// NLOHMANN_JSON_SERIALIZE_ENUM uses a static std::pair
+DOCTEST_CLANG_SUPPRESS_WARNING_PUSH
+DOCTEST_CLANG_SUPPRESS_WARNING("-Wexit-time-destructors")
+
+/////////////////////////////////////////////////////////////////////
+// for #1021
+/////////////////////////////////////////////////////////////////////
+
+using float_json = nlohmann::basic_json<std::map, std::vector, std::string, bool, std::int64_t, std::uint64_t, float>;
+
+/////////////////////////////////////////////////////////////////////
+// for #1647
+/////////////////////////////////////////////////////////////////////
+namespace
+{
+struct NonDefaultFromJsonStruct
+{};
+
+inline bool operator==(NonDefaultFromJsonStruct const& /*unused*/, NonDefaultFromJsonStruct const& /*unused*/)
+{
+ return true;
+}
+
+enum class for_1647
+{
+ one,
+ two
+};
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays): this is a false positive
+NLOHMANN_JSON_SERIALIZE_ENUM(for_1647,
+{
+ {for_1647::one, "one"},
+ {for_1647::two, "two"},
+})
+} // namespace
+
+/////////////////////////////////////////////////////////////////////
+// for #1299
+/////////////////////////////////////////////////////////////////////
+
+struct Data
+{
+ Data() = default;
+ Data(std::string a_, std::string b_)
+ : a(std::move(a_))
+ , b(std::move(b_))
+ {}
+ std::string a{};
+ std::string b{};
+};
+
+void from_json(const json& j, Data& data);
+void from_json(const json& j, Data& data)
+{
+ j["a"].get_to(data.a);
+ j["b"].get_to(data.b);
+}
+
+bool operator==(Data const& lhs, Data const& rhs);
+bool operator==(Data const& lhs, Data const& rhs)
+{
+ return lhs.a == rhs.a && lhs.b == rhs.b;
+}
+
+//bool operator!=(Data const& lhs, Data const& rhs)
+//{
+// return !(lhs == rhs);
+//}
+
+namespace nlohmann
+{
+template<>
+struct adl_serializer<NonDefaultFromJsonStruct>
+{
+ static NonDefaultFromJsonStruct from_json(json const& /*unused*/) noexcept
+ {
+ return {};
+ }
+};
+} // namespace nlohmann
+
+/////////////////////////////////////////////////////////////////////
+// for #1805
+/////////////////////////////////////////////////////////////////////
+
+struct NotSerializableData
+{
+ int mydata;
+ float myfloat;
+};
+
+/////////////////////////////////////////////////////////////////////
+// for #2574
+/////////////////////////////////////////////////////////////////////
+
+struct NonDefaultConstructible
+{
+ explicit NonDefaultConstructible(int a)
+ : x(a)
+ {}
+ int x;
+};
+
+namespace nlohmann
+{
+template<>
+struct adl_serializer<NonDefaultConstructible>
+{
+ static NonDefaultConstructible from_json(json const& j)
+ {
+ return NonDefaultConstructible(j.get<int>());
+ }
+};
+} // namespace nlohmann
+
+/////////////////////////////////////////////////////////////////////
+// for #2824
+/////////////////////////////////////////////////////////////////////
+
+class sax_no_exception : public nlohmann::detail::json_sax_dom_parser<json>
+{
+ public:
+ explicit sax_no_exception(json& j)
+ : nlohmann::detail::json_sax_dom_parser<json>(j, false)
+ {}
+
+ static bool parse_error(std::size_t /*position*/, const std::string& /*last_token*/, const json::exception& ex)
+ {
+ error_string = new std::string(ex.what()); // NOLINT(cppcoreguidelines-owning-memory)
+ return false;
+ }
+
+ static std::string* error_string;
+};
+
+std::string* sax_no_exception::error_string = nullptr;
+
+/////////////////////////////////////////////////////////////////////
+// for #2982
+/////////////////////////////////////////////////////////////////////
+
+template<class T>
+class my_allocator : public std::allocator<T>
+{};
+
+/////////////////////////////////////////////////////////////////////
+// for #3077
+/////////////////////////////////////////////////////////////////////
+
+class FooAlloc
+{};
+
+class Foo
+{
+ public:
+ explicit Foo(const FooAlloc& /* unused */ = FooAlloc()) {}
+
+ bool value = false;
+};
+
+class FooBar
+{
+ public:
+ Foo foo{};
+};
+
+inline void from_json(const nlohmann::json& j, FooBar& fb)
+{
+ j.at("value").get_to(fb.foo.value);
+}
+
+TEST_CASE("regression tests 2")
+{
+ SECTION("issue #1001 - Fix memory leak during parser callback")
+ {
+ const auto* geojsonExample = R"(
+ { "type": "FeatureCollection",
+ "features": [
+ { "type": "Feature",
+ "geometry": {"type": "Point", "coordinates": [102.0, 0.5]},
+ "properties": {"prop0": "value0"}
+ },
+ { "type": "Feature",
+ "geometry": {
+ "type": "LineString",
+ "coordinates": [
+ [102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0]
+ ]
+ },
+ "properties": {
+ "prop0": "value0",
+ "prop1": 0.0
+ }
+ },
+ { "type": "Feature",
+ "geometry": {
+ "type": "Polygon",
+ "coordinates": [
+ [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0],
+ [100.0, 1.0], [100.0, 0.0] ]
+ ]
+ },
+ "properties": {
+ "prop0": "value0",
+ "prop1": {"this": "that"}
+ }
+ }
+ ]
+ })";
+
+ json::parser_callback_t cb = [&](int /*level*/, json::parse_event_t event, json & parsed)
+ {
+ // skip uninteresting events
+ if (event == json::parse_event_t::value && !parsed.is_primitive())
+ {
+ return false;
+ }
+
+ switch (event)
+ {
+ case json::parse_event_t::key:
+ {
+ return true;
+ }
+ case json::parse_event_t::value:
+ {
+ return false;
+ }
+ case json::parse_event_t::object_start:
+ {
+ return true;
+ }
+ case json::parse_event_t::object_end:
+ {
+ return false;
+ }
+ case json::parse_event_t::array_start:
+ {
+ return true;
+ }
+ case json::parse_event_t::array_end:
+ {
+ return false;
+ }
+
+ default:
+ {
+ return true;
+ }
+ }
+ };
+
+ auto j = json::parse(geojsonExample, cb, true);
+ CHECK(j == json());
+ }
+
+ SECTION("issue #1021 - to/from_msgpack only works with standard typization")
+ {
+ float_json j = 1000.0;
+ CHECK(float_json::from_cbor(float_json::to_cbor(j)) == j);
+ CHECK(float_json::from_msgpack(float_json::to_msgpack(j)) == j);
+ CHECK(float_json::from_ubjson(float_json::to_ubjson(j)) == j);
+
+ float_json j2 = {1000.0, 2000.0, 3000.0};
+ CHECK(float_json::from_ubjson(float_json::to_ubjson(j2, true, true)) == j2);
+ }
+
+ SECTION("issue #1045 - Using STL algorithms with JSON containers with expected results?")
+ {
+ json diffs = nlohmann::json::array();
+ json m1{{"key1", 42}};
+ json m2{{"key2", 42}};
+ auto p1 = m1.items();
+ auto p2 = m2.items();
+
+ using it_type = decltype(p1.begin());
+
+ std::set_difference(
+ p1.begin(),
+ p1.end(),
+ p2.begin(),
+ p2.end(),
+ std::inserter(diffs, diffs.end()),
+ [&](const it_type & e1, const it_type & e2) -> bool
+ {
+ using comper_pair = std::pair<std::string, decltype(e1.value())>; // Trying to avoid unneeded copy
+ return comper_pair(e1.key(), e1.value()) < comper_pair(e2.key(), e2.value()); // Using pair comper
+ });
+
+ CHECK(diffs.size() == 1); // Note the change here, was 2
+ }
+
+#ifdef JSON_HAS_CPP_17
+ SECTION("issue #1292 - Serializing std::variant causes stack overflow")
+ {
+ static_assert(!std::is_constructible<json, std::variant<int, float>>::value, "unexpected value");
+ }
+#endif
+
+ SECTION("issue #1299 - compile error in from_json converting to container "
+ "with std::pair")
+ {
+ json j =
+ {
+ {"1", {{"a", "testa_1"}, {"b", "testb_1"}}},
+ {"2", {{"a", "testa_2"}, {"b", "testb_2"}}},
+ {"3", {{"a", "testa_3"}, {"b", "testb_3"}}},
+ };
+
+ std::map<std::string, Data> expected
+ {
+ {"1", {"testa_1", "testb_1"}},
+ {"2", {"testa_2", "testb_2"}},
+ {"3", {"testa_3", "testb_3"}},
+ };
+ const auto data = j.get<decltype(expected)>();
+ CHECK(expected == data);
+ }
+
+ SECTION("issue #1445 - buffer overflow in dumping invalid utf-8 strings")
+ {
+ SECTION("a bunch of -1, ensure_ascii=true")
+ {
+ const auto length = 300;
+
+ json dump_test;
+ dump_test["1"] = std::string(length, -1);
+
+ std::string expected = R"({"1":")";
+ for (int i = 0; i < length; ++i)
+ {
+ expected += "\\ufffd";
+ }
+ expected += "\"}";
+
+ auto s = dump_test.dump(-1, ' ', true, nlohmann::json::error_handler_t::replace);
+ CHECK(s == expected);
+ }
+ SECTION("a bunch of -2, ensure_ascii=false")
+ {
+ const auto length = 500;
+
+ json dump_test;
+ dump_test["1"] = std::string(length, -2);
+
+ std::string expected = R"({"1":")";
+ for (int i = 0; i < length; ++i)
+ {
+ expected += "\xEF\xBF\xBD";
+ }
+ expected += "\"}";
+
+ auto s = dump_test.dump(-1, ' ', false, nlohmann::json::error_handler_t::replace);
+ CHECK(s == expected);
+ }
+ SECTION("test case in issue #1445")
+ {
+ nlohmann::json dump_test;
+ const std::array<int, 108> data =
+ {
+ {109, 108, 103, 125, -122, -53, 115, 18, 3, 0, 102, 19, 1, 15, -110, 13, -3, -1, -81, 32, 2, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -80, 2, 0, 0, 96, -118, 46, -116, 46, 109, -84, -87, 108, 14, 109, -24, -83, 13, -18, -51, -83, -52, -115, 14, 6, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 3, 0, 0, 0, 35, -74, -73, 55, 57, -128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 33, 0, 0, 0, -96, -54, -28, -26}
+ };
+ std::string s;
+ for (int i : data)
+ {
+ s += static_cast<char>(i);
+ }
+ dump_test["1"] = s;
+ dump_test.dump(-1, ' ', true, nlohmann::json::error_handler_t::replace);
+ }
+ }
+
+ SECTION("issue #1447 - Integer Overflow (OSS-Fuzz 12506)")
+ {
+ json j = json::parse("[-9223372036854775808]");
+ CHECK(j.dump() == "[-9223372036854775808]");
+ }
+
+ SECTION("issue #1708 - minimum value of int64_t can be outputted")
+ {
+ constexpr auto smallest = (std::numeric_limits<int64_t>::min)();
+ json j = smallest;
+ CHECK(j.dump() == std::to_string(smallest));
+ }
+
+ SECTION("issue #1727 - Contains with non-const lvalue json_pointer picks the wrong overload")
+ {
+ json j = {{"root", {{"settings", {{"logging", true}}}}}};
+
+ auto jptr1 = "/root/settings/logging"_json_pointer;
+ auto jptr2 = json::json_pointer{"/root/settings/logging"};
+
+ CHECK(j.contains(jptr1));
+ CHECK(j.contains(jptr2));
+ }
+
+ SECTION("issue #1647 - compile error when deserializing enum if both non-default from_json and non-member operator== exists for other type")
+ {
+ {
+ json j;
+ NonDefaultFromJsonStruct x(j);
+ NonDefaultFromJsonStruct y;
+ CHECK(x == y);
+ }
+
+ auto val = nlohmann::json("one").get<for_1647>();
+ CHECK(val == for_1647::one);
+ json j = val;
+ }
+
+ SECTION("issue #1715 - json::from_cbor does not respect allow_exceptions = false when input is string literal")
+ {
+ SECTION("string literal")
+ {
+ json cbor = json::from_cbor("B", true, false);
+ CHECK(cbor.is_discarded());
+ }
+
+ SECTION("string array")
+ {
+ const std::array<char, 2> input = {{'B', 0x00}};
+ json cbor = json::from_cbor(input, true, false);
+ CHECK(cbor.is_discarded());
+ }
+
+ SECTION("std::string")
+ {
+ json cbor = json::from_cbor(std::string("B"), true, false);
+ CHECK(cbor.is_discarded());
+ }
+ }
+
+ SECTION("issue #1805 - A pair<T1, T2> is json constructible only if T1 and T2 are json constructible")
+ {
+ static_assert(!std::is_constructible<json, std::pair<std::string, NotSerializableData>>::value, "unexpected result");
+ static_assert(!std::is_constructible<json, std::pair<NotSerializableData, std::string>>::value, "unexpected result");
+ static_assert(std::is_constructible<json, std::pair<int, std::string>>::value, "unexpected result");
+ }
+ SECTION("issue #1825 - A tuple<Args..> is json constructible only if all T in Args are json constructible")
+ {
+ static_assert(!std::is_constructible<json, std::tuple<std::string, NotSerializableData>>::value, "unexpected result");
+ static_assert(!std::is_constructible<json, std::tuple<NotSerializableData, std::string>>::value, "unexpected result");
+ static_assert(std::is_constructible<json, std::tuple<int, std::string>>::value, "unexpected result");
+ }
+
+ SECTION("issue #1983 - JSON patch diff for op=add formation is not as per standard (RFC 6902)")
+ {
+ const auto source = R"({ "foo": [ "1", "2" ] })"_json;
+ const auto target = R"({"foo": [ "1", "2", "3" ]})"_json;
+ const auto result = json::diff(source, target);
+ CHECK(result.dump() == R"([{"op":"add","path":"/foo/-","value":"3"}])");
+ }
+
+ SECTION("issue #2067 - cannot serialize binary data to text JSON")
+ {
+ const std::array<unsigned char, 23> data = {{0x81, 0xA4, 0x64, 0x61, 0x74, 0x61, 0xC4, 0x0F, 0x33, 0x30, 0x30, 0x32, 0x33, 0x34, 0x30, 0x31, 0x30, 0x37, 0x30, 0x35, 0x30, 0x31, 0x30}};
+ json j = json::from_msgpack(data.data(), data.size());
+ CHECK_NOTHROW(
+ j.dump(4, // Indent
+ ' ', // Indent char
+ false, // Ensure ascii
+ json::error_handler_t::strict // Error
+ ));
+ }
+
+ SECTION("PR #2181 - regression bug with lvalue")
+ {
+ // see https://github.com/nlohmann/json/pull/2181#issuecomment-653326060
+ json j{{"x", "test"}};
+ std::string defval = "default value";
+ auto val = j.value("x", defval);
+ auto val2 = j.value("y", defval);
+ }
+
+ SECTION("issue #2293 - eof doesn't cause parsing to stop")
+ {
+ std::vector<uint8_t> data =
+ {
+ 0x7B,
+ 0x6F,
+ 0x62,
+ 0x6A,
+ 0x65,
+ 0x63,
+ 0x74,
+ 0x20,
+ 0x4F,
+ 0x42
+ };
+ json result = json::from_cbor(data, true, false);
+ CHECK(result.is_discarded());
+ }
+
+ SECTION("issue #2315 - json.update and vector<pair>does not work with ordered_json")
+ {
+ nlohmann::ordered_json jsonAnimals = {{"animal", "dog"}};
+ nlohmann::ordered_json jsonCat = {{"animal", "cat"}};
+ jsonAnimals.update(jsonCat);
+ CHECK(jsonAnimals["animal"] == "cat");
+
+ auto jsonAnimals_parsed = nlohmann::ordered_json::parse(jsonAnimals.dump());
+ CHECK(jsonAnimals == jsonAnimals_parsed);
+
+ std::vector<std::pair<std::string, int64_t>> intData = {std::make_pair("aaaa", 11),
+ std::make_pair("bbb", 222)
+ };
+ nlohmann::ordered_json jsonObj;
+ for (const auto& data : intData)
+ {
+ jsonObj[data.first] = data.second;
+ }
+ CHECK(jsonObj["aaaa"] == 11);
+ CHECK(jsonObj["bbb"] == 222);
+ }
+
+ SECTION("issue #2330 - ignore_comment=true fails on multiple consecutive lines starting with comments")
+ {
+ std::string ss = "//\n//\n{\n}\n";
+ json j = json::parse(ss, nullptr, true, true);
+ CHECK(j.dump() == "{}");
+ }
+
+#ifdef JSON_HAS_CPP_20
+ SECTION("issue #2546 - parsing containers of std::byte")
+ {
+ const char DATA[] = R"("Hello, world!")";
+ const auto s = std::as_bytes(std::span(DATA));
+ json j = json::parse(s);
+ CHECK(j.dump() == "\"Hello, world!\"");
+ }
+#endif
+
+ SECTION("issue #2574 - Deserialization to std::array, std::pair, and std::tuple with non-default constructable types fails")
+ {
+ SECTION("std::array")
+ {
+ {
+ json j = {7, 4};
+ auto arr = j.get<std::array<NonDefaultConstructible, 2>>();
+ CHECK(arr[0].x == 7);
+ CHECK(arr[1].x == 4);
+ }
+
+ {
+ json j = 7;
+ CHECK_THROWS_AS((j.get<std::array<NonDefaultConstructible, 1>>()), json::type_error);
+ }
+ }
+
+ SECTION("std::pair")
+ {
+ {
+ json j = {3, 8};
+ auto p = j.get<std::pair<NonDefaultConstructible, NonDefaultConstructible>>();
+ CHECK(p.first.x == 3);
+ CHECK(p.second.x == 8);
+ }
+
+ {
+ json j = {4, 1};
+ auto p = j.get<std::pair<int, NonDefaultConstructible>>();
+ CHECK(p.first == 4);
+ CHECK(p.second.x == 1);
+ }
+
+ {
+ json j = {6, 7};
+ auto p = j.get<std::pair<NonDefaultConstructible, int>>();
+ CHECK(p.first.x == 6);
+ CHECK(p.second == 7);
+ }
+
+ {
+ json j = 7;
+ CHECK_THROWS_AS((j.get<std::pair<NonDefaultConstructible, int>>()), json::type_error);
+ }
+ }
+
+ SECTION("std::tuple")
+ {
+ {
+ json j = {9};
+ auto t = j.get<std::tuple<NonDefaultConstructible>>();
+ CHECK(std::get<0>(t).x == 9);
+ }
+
+ {
+ json j = {9, 8, 7};
+ auto t = j.get<std::tuple<NonDefaultConstructible, int, NonDefaultConstructible>>();
+ CHECK(std::get<0>(t).x == 9);
+ CHECK(std::get<1>(t) == 8);
+ CHECK(std::get<2>(t).x == 7);
+ }
+
+ {
+ json j = 7;
+ CHECK_THROWS_AS((j.get<std::tuple<NonDefaultConstructible>>()), json::type_error);
+ }
+ }
+ }
+
+ SECTION("issue #2865 - ASAN detects memory leaks")
+ {
+ // the code below is expected to not leak memory
+ {
+ nlohmann::json o;
+ std::string s = "bar";
+
+ nlohmann::to_json(o["foo"], s);
+
+ nlohmann::json p = o;
+
+ // call to_json with a non-null JSON value
+ nlohmann::to_json(p["foo"], s);
+ }
+
+ {
+ nlohmann::json o;
+ std::string s = "bar";
+
+ nlohmann::to_json(o["foo"], s);
+
+ // call to_json with a non-null JSON value
+ nlohmann::to_json(o["foo"], s);
+ }
+ }
+
+ SECTION("issue #2824 - encoding of json::exception::what()")
+ {
+ json j;
+ sax_no_exception sax(j);
+
+ CHECK(!json::sax_parse("xyz", &sax));
+ CHECK(*sax_no_exception::error_string == "[json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - invalid literal; last read: 'x'");
+ delete sax_no_exception::error_string; // NOLINT(cppcoreguidelines-owning-memory)
+ }
+
+ SECTION("issue #2825 - Properly constrain the basic_json conversion operator")
+ {
+ static_assert(std::is_copy_assignable<nlohmann::ordered_json>::value, "ordered_json must be copy assignable");
+ }
+
+ SECTION("issue #2958 - Inserting in unordered json using a pointer retains the leading slash")
+ {
+ std::string p = "/root";
+
+ // matching types
+ json test1;
+ test1[json::json_pointer(p)] = json::object();
+ CHECK(test1.dump() == "{\"root\":{}}");
+
+ ordered_json test2;
+ test2[ordered_json::json_pointer(p)] = json::object();
+ CHECK(test2.dump() == "{\"root\":{}}");
+
+ // mixed type - the JSON Pointer is implicitly converted into a string "/root"
+ ordered_json test3;
+ test3[json::json_pointer(p)] = json::object();
+ CHECK(test3.dump() == "{\"/root\":{}}");
+ }
+
+ SECTION("issue #2982 - to_{binary format} does not provide a mechanism for specifying a custom allocator for the returned type")
+ {
+ std::vector<std::uint8_t, my_allocator<std::uint8_t>> my_vector;
+ json j = {1, 2, 3, 4};
+ json::to_cbor(j, my_vector);
+ json k = json::from_cbor(my_vector);
+ CHECK(j == k);
+ }
+
+#if JSON_HAS_FILESYSTEM || JSON_HAS_EXPERIMENTAL_FILESYSTEM
+ SECTION("issue #3070 - Version 3.10.3 breaks backward-compatibility with 3.10.2 ")
+ {
+ nlohmann::detail::std_fs::path text_path("/tmp/text.txt");
+ json j(text_path);
+
+ const auto j_path = j.get<nlohmann::detail::std_fs::path>();
+ CHECK(j_path == text_path);
+
+ CHECK_THROWS_WITH_AS(nlohmann::detail::std_fs::path(json(1)), "[json.exception.type_error.302] type must be string, but is number", json::type_error);
+ }
+#endif
+
+ SECTION("issue #3077 - explicit constructor with default does not compile")
+ {
+ json j;
+ j[0]["value"] = true;
+ std::vector<FooBar> foo;
+ j.get_to(foo);
+ }
+
+ SECTION("issue #3108 - ordered_json doesn't support range based erase")
+ {
+ ordered_json j = {1, 2, 2, 4};
+
+ auto last = std::unique(j.begin(), j.end());
+ j.erase(last, j.end());
+
+ CHECK(j.dump() == "[1,2,4]");
+
+ j.erase(std::remove_if(j.begin(), j.end(), [](const ordered_json & val)
+ {
+ return val == 2;
+ }), j.end());
+
+ CHECK(j.dump() == "[1,4]");
+ }
+}
+
+DOCTEST_CLANG_SUPPRESS_WARNING_POP