| /* |
| __ _____ _____ _____ |
| __| | __| | | | JSON for Modern C++ (test suite) |
| | | |__ | | | | | | version 3.9.1 |
| |_____|_____|_____|_|___| https://github.com/nlohmann/json |
| |
| Licensed under the MIT License <http://opensource.org/licenses/MIT>. |
| SPDX-License-Identifier: MIT |
| Copyright (c) 2013-2019 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" |
| DOCTEST_GCC_SUPPRESS_WARNING("-Wfloat-equal") |
| |
| // 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 nlohmann::json; |
| |
| #include <fstream> |
| #include <sstream> |
| #include <list> |
| #include <cstdio> |
| #include <test_data.hpp> |
| |
| #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> |
| #endif |
| |
| #ifdef JSON_HAS_CPP_20 |
| #include <span> |
| #endif |
| |
| ///////////////////////////////////////////////////////////////////// |
| // 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&, NonDefaultFromJsonStruct const&) |
| { |
| return true; |
| } |
| |
| enum class for_1647 { one, two }; |
| |
| NLOHMANN_JSON_SERIALIZE_ENUM(for_1647, |
| { |
| {for_1647::one, "one"}, |
| {for_1647::two, "two"}, |
| }) |
| } |
| |
| ///////////////////////////////////////////////////////////////////// |
| // for #1299 |
| ///////////////////////////////////////////////////////////////////// |
| |
| struct Data |
| { |
| Data() = default; |
| Data(const std::string& a_, const std::string b_) : a(a_), b(b_) {} |
| std::string a {}; |
| std::string b {}; |
| }; |
| |
| 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) |
| { |
| 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&) noexcept |
| { |
| return {}; |
| } |
| }; |
| } |
| |
| ///////////////////////////////////////////////////////////////////// |
| // for #1805 |
| ///////////////////////////////////////////////////////////////////// |
| |
| struct NotSerializableData |
| { |
| int mydata; |
| float myfloat; |
| }; |
| |
| |
| TEST_CASE("regression tests 2") |
| { |
| SECTION("issue #1001 - Fix memory leak during parser callback") |
| { |
| 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, 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, ""); |
| } |
| #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 = "{\"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 = "{\"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 int 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 (unsigned i = 0; i < sizeof(data) / sizeof(int); i++) |
| { |
| s += static_cast<char>(data[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 char 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, ""); |
| static_assert(!std::is_constructible<json, std::pair<NotSerializableData, std::string>>::value, ""); |
| static_assert(std::is_constructible<json, std::pair<int, std::string>>::value, ""); |
| } |
| 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, ""); |
| static_assert(!std::is_constructible<json, std::tuple<NotSerializableData, std::string>>::value, ""); |
| static_assert(std::is_constructible<json, std::tuple<int, std::string>>::value, ""); |
| } |
| |
| 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 unsigned char 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, sizeof(data) / sizeof(data[0])); |
| 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 doesnt 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 |
| } |
