| /* |
| __ _____ _____ _____ |
| __| | __| | | | 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 |