| // __ _____ _____ _____ |
| // __| | __| | | | JSON for Modern C++ (supporting code) |
| // | | |__ | | | | | | version 3.11.3 |
| // |_____|_____|_____|_|___| https://github.com/nlohmann/json |
| // |
| // SPDX-FileCopyrightText: 2013-2023 Niels Lohmann <https://nlohmann.me> |
| // SPDX-License-Identifier: MIT |
| |
| #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 nlohmann::json; |
| #ifdef JSON_TEST_NO_GLOBAL_UDLS |
| using namespace nlohmann::literals; // NOLINT(google-build-using-namespace) |
| #endif |
| |
| #include <fstream> |
| #include <sstream> |
| #include <list> |
| #include <limits> |
| #include <cstdio> |
| #include "make_test_data_available.hpp" |
| |
| #ifdef JSON_HAS_CPP_17 |
| #include <variant> |
| #endif |
| |
| #include "fifo_map.hpp" |
| |
| ///////////////////////////////////////////////////////////////////// |
| // for #972 |
| ///////////////////////////////////////////////////////////////////// |
| |
| template<class K, class V, class dummy_compare, class A> |
| using my_workaround_fifo_map = nlohmann::fifo_map<K, V, nlohmann::fifo_map_compare<K>, A>; |
| using my_json = nlohmann::basic_json<my_workaround_fifo_map>; |
| |
| ///////////////////////////////////////////////////////////////////// |
| // for #977 |
| ///////////////////////////////////////////////////////////////////// |
| |
| namespace ns |
| { |
| struct foo |
| { |
| int x; |
| }; |
| |
| template <typename, typename SFINAE = void> |
| struct foo_serializer; |
| |
| template<typename T> |
| struct foo_serializer<T, typename std::enable_if<std::is_same<foo, T>::value>::type> |
| { |
| template <typename BasicJsonType> |
| static void to_json(BasicJsonType& j, const T& value) |
| { |
| j = BasicJsonType{{"x", value.x}}; |
| } |
| template <typename BasicJsonType> |
| static void from_json(const BasicJsonType& j, T& value) // !!! |
| { |
| nlohmann::from_json(j.at("x"), value.x); |
| } |
| }; |
| |
| template<typename T> |
| struct foo_serializer < T, typename std::enable_if < !std::is_same<foo, T>::value >::type > |
| { |
| template <typename BasicJsonType> |
| static void to_json(BasicJsonType& j, const T& value) noexcept // NOLINT(bugprone-exception-escape) |
| { |
| ::nlohmann::to_json(j, value); |
| } |
| template <typename BasicJsonType> |
| static void from_json(const BasicJsonType& j, T& value) //!!! |
| { |
| ::nlohmann::from_json(j, value); |
| } |
| }; |
| } // namespace ns |
| |
| using foo_json = nlohmann::basic_json<std::map, std::vector, std::string, bool, std::int64_t, |
| std::uint64_t, double, std::allocator, ns::foo_serializer, std::vector<std::uint8_t>>; |
| |
| ///////////////////////////////////////////////////////////////////// |
| // for #805 |
| ///////////////////////////////////////////////////////////////////// |
| |
| namespace |
| { |
| struct nocopy // NOLINT(cppcoreguidelines-special-member-functions,hicpp-special-member-functions) |
| { |
| nocopy() = default; |
| nocopy(const nocopy&) = delete; |
| nocopy(nocopy&&) = delete; |
| nocopy& operator=(const nocopy&) = delete; |
| nocopy& operator=(nocopy&&) = delete; |
| |
| int val = 0; |
| |
| friend void to_json(json& j, const nocopy& n) |
| { |
| j = {{"val", n.val}}; |
| } |
| }; |
| } // namespace |
| |
| TEST_CASE("regression tests 1") |
| { |
| SECTION("issue #60 - Double quotation mark is not parsed correctly") |
| { |
| SECTION("escape_doublequote") |
| { |
| const auto* s = R"(["\"foo\""])"; |
| json j = json::parse(s); |
| auto expected = R"(["\"foo\""])"_json; |
| CHECK(j == expected); |
| } |
| } |
| |
| SECTION("issue #70 - Handle infinity and NaN cases") |
| { |
| // previously, NAN/INFINITY created a null value; now, the values are |
| // properly stored, but are dumped as "null" |
| SECTION("NAN value") |
| { |
| CHECK(json(NAN).dump() == "null"); |
| CHECK(json(json::number_float_t(NAN)).dump() == "null"); |
| } |
| |
| SECTION("infinity") |
| { |
| CHECK(json(INFINITY).dump() == "null"); |
| CHECK(json(json::number_float_t(INFINITY)).dump() == "null"); |
| } |
| |
| // With 3.0.0, the semantics of this changed: NAN and infinity are |
| // stored properly inside the JSON value (no exception or conversion |
| // to null), but are serialized as null. |
| SECTION("NAN value") |
| { |
| json const j1 = NAN; |
| CHECK(j1.is_number_float()); |
| json::number_float_t const f1{j1}; |
| CHECK(std::isnan(f1)); |
| |
| json const j2 = static_cast<json::number_float_t>(NAN); |
| CHECK(j2.is_number_float()); |
| json::number_float_t const f2{j2}; |
| CHECK(std::isnan(f2)); |
| } |
| |
| SECTION("infinity") |
| { |
| json const j1 = INFINITY; |
| CHECK(j1.is_number_float()); |
| json::number_float_t const f1{j1}; |
| CHECK(!std::isfinite(f1)); |
| |
| json const j2 = static_cast<json::number_float_t>(INFINITY); |
| CHECK(j2.is_number_float()); |
| json::number_float_t const f2{j2}; |
| CHECK(!std::isfinite(f2)); |
| } |
| } |
| |
| SECTION("pull request #71 - handle enum type") |
| { |
| enum { t = 0, u = 102}; |
| json j = json::array(); |
| j.push_back(t); |
| |
| // maybe this is not the place to test this? |
| json j2 = u; |
| |
| auto anon_enum_value = j2.get<decltype(u)>(); |
| CHECK(u == anon_enum_value); |
| |
| // check if the actual value was stored |
| CHECK(j2 == 102); |
| |
| static_assert(std::is_same<decltype(anon_enum_value), decltype(u)>::value, "types must be the same"); |
| |
| j.push_back(json::object( |
| { |
| {"game_type", t} |
| })); |
| } |
| |
| SECTION("issue #76 - dump() / parse() not idempotent") |
| { |
| // create JSON object |
| json fields; |
| fields["one"] = std::string("one"); |
| fields["two"] = std::string("two three"); |
| fields["three"] = std::string("three \"four\""); |
| |
| // create another JSON object by deserializing the serialization |
| std::string const payload = fields.dump(); |
| json parsed_fields = json::parse(payload); |
| |
| // check individual fields to match both objects |
| CHECK(parsed_fields["one"] == fields["one"]); |
| CHECK(parsed_fields["two"] == fields["two"]); |
| CHECK(parsed_fields["three"] == fields["three"]); |
| |
| // check individual fields to match original input |
| CHECK(parsed_fields["one"] == std::string("one")); |
| CHECK(parsed_fields["two"] == std::string("two three")); |
| CHECK(parsed_fields["three"] == std::string("three \"four\"")); |
| |
| // check equality of the objects |
| CHECK(parsed_fields == fields); |
| |
| // check equality of the serialized objects |
| CHECK(fields.dump() == parsed_fields.dump()); |
| |
| // check everything in one line |
| CHECK(fields == json::parse(fields.dump())); |
| } |
| |
| SECTION("issue #82 - lexer::get_number return NAN") |
| { |
| const auto* const content = R"( |
| { |
| "Test":"Test1", |
| "Number":100, |
| "Foo":42.42 |
| })"; |
| |
| std::stringstream ss; |
| ss << content; |
| json j; |
| ss >> j; |
| |
| auto test = j["Test"].get<std::string>(); |
| CHECK(test == "Test1"); |
| int number{j["Number"]}; |
| CHECK(number == 100); |
| float foo{j["Foo"]}; |
| CHECK(static_cast<double>(foo) == Approx(42.42)); |
| } |
| |
| SECTION("issue #89 - nonstandard integer type") |
| { |
| // create JSON class with nonstandard integer number type |
| using custom_json = |
| nlohmann::basic_json<std::map, std::vector, std::string, bool, int32_t, uint32_t, float>; |
| custom_json j; |
| j["int_1"] = 1; |
| CHECK(j["int_1"] == 1); |
| |
| // tests for correct handling of non-standard integers that overflow the type selected by the user |
| |
| // unsigned integer object creation - expected to wrap and still be stored as an integer |
| j = 4294967296U; // 2^32 |
| CHECK(static_cast<int>(j.type()) == static_cast<int>(custom_json::value_t::number_unsigned)); |
| CHECK(j.get<uint32_t>() == 0); // Wrap |
| |
| // unsigned integer parsing - expected to overflow and be stored as a float |
| j = custom_json::parse("4294967296"); // 2^32 |
| CHECK(static_cast<int>(j.type()) == static_cast<int>(custom_json::value_t::number_float)); |
| CHECK(j.get<float>() == 4294967296.0f); |
| |
| // integer object creation - expected to wrap and still be stored as an integer |
| j = -2147483649LL; // -2^31-1 |
| CHECK(static_cast<int>(j.type()) == static_cast<int>(custom_json::value_t::number_integer)); |
| CHECK(j.get<int32_t>() == 2147483647); // Wrap |
| |
| // integer parsing - expected to overflow and be stored as a float with rounding |
| j = custom_json::parse("-2147483649"); // -2^31 |
| CHECK(static_cast<int>(j.type()) == static_cast<int>(custom_json::value_t::number_float)); |
| CHECK(j.get<float>() == -2147483650.0f); |
| } |
| |
| SECTION("issue #93 reverse_iterator operator inheritance problem") |
| { |
| { |
| json a = {1, 2, 3}; |
| json::reverse_iterator rit = a.rbegin(); |
| ++rit; |
| CHECK(*rit == json(2)); |
| CHECK(rit.value() == json(2)); |
| } |
| { |
| json a = {1, 2, 3}; |
| json::reverse_iterator const rit = ++a.rbegin(); |
| CHECK(*rit == json(2)); |
| CHECK(rit.value() == json(2)); |
| } |
| { |
| json a = {1, 2, 3}; |
| json::reverse_iterator rit = a.rbegin(); |
| ++rit; |
| json b = {0, 0, 0}; |
| std::transform(rit, a.rend(), b.rbegin(), [](json el) |
| { |
| return el; |
| }); |
| CHECK(b == json({0, 1, 2})); |
| } |
| { |
| json a = {1, 2, 3}; |
| json b = {0, 0, 0}; |
| std::transform(++a.rbegin(), a.rend(), b.rbegin(), [](json el) |
| { |
| return el; |
| }); |
| CHECK(b == json({0, 1, 2})); |
| } |
| } |
| |
| SECTION("issue #100 - failed to iterator json object with reverse_iterator") |
| { |
| json config = |
| { |
| { "111", 111 }, |
| { "112", 112 }, |
| { "113", 113 } |
| }; |
| |
| std::stringstream ss; |
| |
| for (auto it = config.begin(); it != config.end(); ++it) |
| { |
| ss << it.key() << ": " << it.value() << '\n'; |
| } |
| |
| for (auto it = config.rbegin(); it != config.rend(); ++it) |
| { |
| ss << it.key() << ": " << it.value() << '\n'; |
| } |
| |
| CHECK(ss.str() == "111: 111\n112: 112\n113: 113\n113: 113\n112: 112\n111: 111\n"); |
| } |
| |
| SECTION("issue #101 - binary string causes numbers to be dumped as hex") |
| { |
| int64_t const number = 10; |
| std::string const bytes{"\x00" "asdf\n", 6}; |
| json j; |
| j["int64"] = number; |
| j["binary string"] = bytes; |
| // make sure the number is really printed as decimal "10" and not as |
| // hexadecimal "a" |
| CHECK(j.dump() == "{\"binary string\":\"\\u0000asdf\\n\",\"int64\":10}"); |
| } |
| |
| SECTION("issue #111 - subsequent unicode chars") |
| { |
| std::string const bytes{0x7, 0x7}; |
| json j; |
| j["string"] = bytes; |
| CHECK(j["string"] == "\u0007\u0007"); |
| } |
| |
| #if JSON_USE_IMPLICIT_CONVERSIONS |
| SECTION("issue #144 - implicit assignment to std::string fails") |
| { |
| json o = {{"name", "value"}}; |
| |
| std::string s1 = o["name"]; |
| CHECK(s1 == "value"); |
| |
| std::string s2; |
| s2 = o["name"]; |
| |
| CHECK(s2 == "value"); |
| |
| // improve coverage |
| o["int"] = 1; |
| #if JSON_DIAGNOSTICS |
| CHECK_THROWS_WITH_AS(s2 = o["int"], "[json.exception.type_error.302] (/int) type must be string, but is number", json::type_error); |
| #else |
| CHECK_THROWS_WITH_AS(s2 = o["int"], "[json.exception.type_error.302] type must be string, but is number", json::type_error); |
| #endif |
| } |
| #endif |
| |
| SECTION("issue #146 - character following a surrogate pair is skipped") |
| { |
| CHECK(json::parse("\"\\ud80c\\udc60abc\"").get<json::string_t>() == "\xf0\x93\x81\xa0\x61\x62\x63"); |
| } |
| |
| SECTION("issue #171 - Cannot index by key of type static constexpr const char*") |
| { |
| json j; |
| |
| // Non-const access with key as "char []" |
| char array_key[] = "Key1"; // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| CHECK_NOTHROW(j[array_key] = 1); |
| CHECK(j[array_key] == json(1)); |
| |
| // Non-const access with key as "const char[]" |
| const char const_array_key[] = "Key2"; // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| CHECK_NOTHROW(j[const_array_key] = 2); |
| CHECK(j[const_array_key] == json(2)); |
| |
| // Non-const access with key as "char *" |
| char _ptr_key[] = "Key3"; // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| char* ptr_key = &_ptr_key[0]; // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg) |
| CHECK_NOTHROW(j[ptr_key] = 3); |
| CHECK(j[ptr_key] == json(3)); |
| |
| // Non-const access with key as "const char *" |
| const char* const_ptr_key = "Key4"; |
| CHECK_NOTHROW(j[const_ptr_key] = 4); |
| CHECK(j[const_ptr_key] == json(4)); |
| |
| // Non-const access with key as "static constexpr const char *" |
| static constexpr const char* constexpr_ptr_key = "Key5"; |
| CHECK_NOTHROW(j[constexpr_ptr_key] = 5); |
| CHECK(j[constexpr_ptr_key] == json(5)); |
| |
| const json j_const = j; |
| |
| // Const access with key as "char []" |
| CHECK(j_const[array_key] == json(1)); |
| |
| // Const access with key as "const char[]" |
| CHECK(j_const[const_array_key] == json(2)); |
| |
| // Const access with key as "char *" |
| CHECK(j_const[ptr_key] == json(3)); |
| |
| // Const access with key as "const char *" |
| CHECK(j_const[const_ptr_key] == json(4)); |
| |
| // Const access with key as "static constexpr const char *" |
| CHECK(j_const[constexpr_ptr_key] == json(5)); |
| } |
| |
| SECTION("issue #186 miloyip/nativejson-benchmark: floating-point parsing") |
| { |
| json j; |
| |
| j = json::parse("-0.0"); |
| CHECK(j.get<double>() == -0.0); |
| |
| j = json::parse("2.22507385850720113605740979670913197593481954635164564e-308"); |
| CHECK(j.get<double>() == 2.2250738585072009e-308); |
| |
| j = json::parse("0.999999999999999944488848768742172978818416595458984374"); |
| CHECK(j.get<double>() == 0.99999999999999989); |
| |
| j = json::parse("1.00000000000000011102230246251565404236316680908203126"); |
| CHECK(j.get<double>() == 1.00000000000000022); |
| |
| j = json::parse("7205759403792793199999e-5"); |
| CHECK(j.get<double>() == 72057594037927928.0); |
| |
| j = json::parse("922337203685477529599999e-5"); |
| CHECK(j.get<double>() == 9223372036854774784.0); |
| |
| j = json::parse("1014120480182583464902367222169599999e-5"); |
| CHECK(j.get<double>() == 10141204801825834086073718800384.0); |
| |
| j = json::parse("5708990770823839207320493820740630171355185151999e-3"); |
| CHECK(j.get<double>() == 5708990770823838890407843763683279797179383808.0); |
| |
| // create JSON class with nonstandard float number type |
| |
| // float |
| nlohmann::basic_json<std::map, std::vector, std::string, bool, int32_t, uint32_t, float> const j_float = |
| 1.23e25f; |
| CHECK(j_float.get<float>() == 1.23e25f); |
| |
| // double |
| nlohmann::basic_json<std::map, std::vector, std::string, bool, int64_t, uint64_t, double> const 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> |
| const 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 const j1a = 2312.42; |
| json const j1b = json::parse("2312.42"); |
| |
| json const j2a = 2342e-2; |
| //issue #230 |
| //json j2b = json::parse("2342e-2"); |
| |
| json const j3a = 10E3; |
| json const j3b = json::parse("10E3"); |
| json const 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 const 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 const 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: attempting to parse an empty input; check that your input string or stream contains the expected JSON", 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: attempting to parse an empty input; check that your input string or stream contains the expected JSON", 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: attempting to parse an empty input; check that your input string or stream contains the expected JSON", 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: attempting to parse an empty input; check that your input string or stream contains the expected JSON", 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: attempting to parse an empty input; check that your input string or stream contains the expected JSON", 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: attempting to parse an empty input; check that your input string or stream contains the expected JSON", 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: attempting to parse an empty input; check that your input string or stream contains the expected JSON", 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: attempting to parse an empty input; check that your input string or stream contains the expected JSON", json::parse_error&); |
| } |
| |
| SECTION("second example from #529") |
| { |
| std::string const 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 const j1 = json::parse("-9223372036854775808"); |
| CHECK(j1.is_number_integer()); |
| CHECK(j1.get<json::number_integer_t>() == (std::numeric_limits<std::int64_t>::min)()); |
| |
| // edge case (+1; still an integer) |
| json const j2 = json::parse("-9223372036854775807"); |
| CHECK(j2.is_number_integer()); |
| CHECK(j2.get<json::number_integer_t>() == (std::numeric_limits<std::int64_t>::min)() + 1); |
| |
| // edge case (-1; overflow -> floats) |
| json const j3 = json::parse("-9223372036854775809"); |
| CHECK(j3.is_number_float()); |
| } |
| |
| SECTION("issue #380 - bug in overflow detection when parsing integers") |
| { |
| json const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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> const 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 const j1 = json::parse("1000000000000000010E5"); |
| std::string s1 = j1.dump(); |
| json const 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 const j_array = {1, 2, 3, 4}; |
| json const j_number = 42; |
| json const j_null = nullptr; |
| |
| SECTION("std::vector") |
| { |
| auto create = [](const json & j) |
| { |
| std::vector<int> const 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> const 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> const 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> const 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> const vec1 = {0xf9, 0xff, 0xff, 0x4a, 0x3a, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x37, 0x02, 0x38}; |
| json const j1 = json::from_cbor(vec1, false); |
| |
| // step 2: round trip |
| std::vector<uint8_t> vec2 = json::to_cbor(j1); |
| |
| // parse serialization |
| json const 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> const 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 const 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 const 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> const 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 const key1_str(reinterpret_cast<char*>(key1.data())); |
| json const 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> const 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 const 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 const 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 const 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 DOCTEST_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 |
