| // __ _____ _____ _____ |
| // __| | __| | | | JSON for Modern C++ (supporting code) |
| // | | |__ | | | | | | version 3.12.0 |
| // |_____|_____|_____|_|___| https://github.com/nlohmann/json |
| // |
| // SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me> |
| // SPDX-License-Identifier: MIT |
| |
| // cmake/test.cmake selects the C++ standard versions with which to build a |
| // unit test based on the presence of JSON_HAS_CPP_<VERSION> macros. |
| // When using macros that are only defined for particular versions of the standard |
| // (e.g., JSON_HAS_FILESYSTEM for C++17 and up), please mention the corresponding |
| // version macro in a comment close by, like this: |
| // JSON_HAS_CPP_<VERSION> (do not remove; see note at top of file) |
| |
| #include "doctest_compatibility.h" |
| |
| #define JSON_TESTS_PRIVATE |
| #include <nlohmann/json.hpp> |
| using nlohmann::json; |
| |
| #include <deque> |
| #include <forward_list> |
| #include <list> |
| #include <set> |
| #include <unordered_map> |
| #include <unordered_set> |
| #include <valarray> |
| |
| // NLOHMANN_JSON_SERIALIZE_ENUM uses a static std::pair |
| DOCTEST_CLANG_SUPPRESS_WARNING_PUSH |
| DOCTEST_CLANG_SUPPRESS_WARNING("-Wexit-time-destructors") |
| |
| #if (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464 |
| #define JSON_HAS_CPP_17 |
| #define JSON_HAS_CPP_14 |
| #elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1) |
| #define JSON_HAS_CPP_14 |
| #endif |
| |
| #ifdef JSON_HAS_CPP_17 |
| #if __has_include(<optional>) |
| #include <optional> |
| #elif __has_include(<experimental/optional>) |
| #include <experimental/optional> |
| #endif |
| #endif |
| |
| #if defined(JSON_HAS_CPP_17) |
| #include <string_view> |
| #endif |
| |
| TEST_CASE("value conversion") |
| { |
| SECTION("get an object (explicit)") |
| { |
| const json::object_t o_reference = {{"object", json::object()}, |
| {"array", {1, 2, 3, 4}}, |
| {"number", 42}, |
| {"boolean", false}, |
| {"null", nullptr}, |
| {"string", "Hello world"} |
| }; |
| json j(o_reference); |
| |
| SECTION("json::object_t") |
| { |
| json::object_t const o = j.get<json::object_t>(); |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::map<json::string_t, json>") |
| { |
| const std::map<json::string_t, json> o = |
| j.get<std::map<json::string_t, json>>(); |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::multimap<json::string_t, json>") |
| { |
| const std::multimap<json::string_t, json> o = |
| j.get<std::multimap<json::string_t, json>>(); |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::unordered_map<json::string_t, json>") |
| { |
| const std::unordered_map<json::string_t, json> o = |
| j.get<std::unordered_map<json::string_t, json>>(); |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::unordered_multimap<json::string_t, json>") |
| { |
| const std::unordered_multimap<json::string_t, json> o = |
| j.get<std::unordered_multimap<json::string_t, json>>(); |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("exception in case of a non-object type") |
| { |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::null).get<json::object_t>(), |
| "[json.exception.type_error.302] type must be object, but is null", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::array).get<json::object_t>(), |
| "[json.exception.type_error.302] type must be object, but is array", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::string).get<json::object_t>(), |
| "[json.exception.type_error.302] type must be object, but is string", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::boolean).get<json::object_t>(), |
| "[json.exception.type_error.302] type must be object, " |
| "but is boolean", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_integer).get<json::object_t>(), |
| "[json.exception.type_error.302] type must be object, but is number", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_unsigned).get<json::object_t>(), |
| "[json.exception.type_error.302] type must be object, but is number", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_float).get<json::object_t>(), |
| "[json.exception.type_error.302] type must be object, but is number", json::type_error&); |
| } |
| } |
| |
| SECTION("get an object (explicit, get_to)") |
| { |
| const json::object_t o_reference = {{"object", json::object()}, |
| {"array", {1, 2, 3, 4}}, |
| {"number", 42}, |
| {"boolean", false}, |
| {"null", nullptr}, |
| {"string", "Hello world"} |
| }; |
| json j(o_reference); |
| |
| SECTION("json::object_t") |
| { |
| json::object_t o = {{"previous", "value"}}; |
| j.get_to(o); |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::map<json::string_t, json>") |
| { |
| std::map<json::string_t, json> o{{"previous", "value"}}; |
| j.get_to(o); |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::multimap<json::string_t, json>") |
| { |
| std::multimap<json::string_t, json> o{{"previous", "value"}}; |
| j.get_to(o); |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::unordered_map<json::string_t, json>") |
| { |
| std::unordered_map<json::string_t, json> o{{"previous", "value"}}; |
| j.get_to(o); |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::unordered_multimap<json::string_t, json>") |
| { |
| std::unordered_multimap<json::string_t, json> o{{"previous", "value"}}; |
| j.get_to(o); |
| CHECK(json(o) == j); |
| } |
| } |
| |
| #if JSON_USE_IMPLICIT_CONVERSIONS |
| |
| SECTION("get an object (implicit)") |
| { |
| const json::object_t o_reference = {{"object", json::object()}, |
| {"array", {1, 2, 3, 4}}, |
| {"number", 42}, |
| {"boolean", false}, |
| {"null", nullptr}, |
| {"string", "Hello world"} |
| }; |
| json j(o_reference); |
| |
| SECTION("json::object_t") |
| { |
| const json::object_t o = j; |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::map<json::string_t, json>") |
| { |
| const std::map<json::string_t, json> o = j; |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::multimap<json::string_t, json>") |
| { |
| const std::multimap<json::string_t, json> o = j; |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::unordered_map<json::string_t, json>") |
| { |
| const std::unordered_map<json::string_t, json> o = j; |
| CHECK(json(o) == j); |
| } |
| |
| SECTION("std::unordered_multimap<json::string_t, json>") |
| { |
| const std::unordered_multimap<json::string_t, json> o = j; |
| CHECK(json(o) == j); |
| } |
| } |
| #endif |
| |
| SECTION("get an array (explicit)") |
| { |
| const json::array_t a_reference{json(1), json(1u), json(2.2), |
| json(false), json("string"), json()}; |
| json j(a_reference); |
| |
| SECTION("json::array_t") |
| { |
| const json::array_t a = j.get<json::array_t>(); |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("std::list<json>") |
| { |
| const std::list<json> a = j.get<std::list<json>>(); |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("std::forward_list<json>") |
| { |
| const std::forward_list<json> a = j.get<std::forward_list<json>>(); |
| CHECK(json(a) == j); |
| |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::null).get<std::forward_list<json>>(), |
| "[json.exception.type_error.302] type must be array, but is null", json::type_error&); |
| } |
| |
| SECTION("std::vector<json>") |
| { |
| const std::vector<json> a = j.get<std::vector<json>>(); |
| CHECK(json(a) == j); |
| |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::null).get<std::vector<json>>(), |
| "[json.exception.type_error.302] type must be array, but is null", json::type_error&); |
| |
| #if !defined(JSON_NOEXCEPTION) |
| SECTION("reserve is called on containers that supports it") |
| { |
| // make sure all values are properly copied |
| const json j2({1, 2, 3, 4, 5, 6, 7, 8, 9, 10}); |
| auto v2 = j2.get<std::vector<int>>(); |
| CHECK(v2.size() == 10); |
| } |
| #endif |
| } |
| |
| SECTION("built-in arrays") |
| { |
| const char str[] = "a string"; // NOLINT(misc-const-correctness,cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| const int nbs[] = {0, 1, 2}; // NOLINT(misc-const-correctness,cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| |
| const json j2 = nbs; |
| const json j3 = str; |
| |
| auto v = j2.get<std::vector<int>>(); |
| auto s = j3.get<std::string>(); |
| CHECK(std::equal(v.begin(), v.end(), std::begin(nbs))); |
| CHECK(s == str); |
| } |
| |
| SECTION("std::deque<json>") |
| { |
| const std::deque<json> a = j.get<std::deque<json>>(); |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("exception in case of a non-array type") |
| { |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::object).get<std::vector<int>>(), |
| "[json.exception.type_error.302] type must be array, but is object", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::null).get<json::array_t>(), |
| "[json.exception.type_error.302] type must be array, but is null", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::object).get<json::array_t>(), |
| "[json.exception.type_error.302] type must be array, but is object", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::string).get<json::array_t>(), |
| "[json.exception.type_error.302] type must be array, but is string", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::boolean).get<json::array_t>(), |
| "[json.exception.type_error.302] type must be array, but is boolean", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_integer).get<json::array_t>(), |
| "[json.exception.type_error.302] type must be array, but is number", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_unsigned).get<json::array_t>(), |
| "[json.exception.type_error.302] type must be array, but is number", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_float).get<json::array_t>(), |
| "[json.exception.type_error.302] type must be array, but is number", json::type_error&); |
| } |
| } |
| |
| SECTION("get an array (explicit, get_to)") |
| { |
| const json::array_t a_reference{json(1), json(1u), json(2.2), |
| json(false), json("string"), json()}; |
| json j(a_reference); |
| |
| SECTION("json::array_t") |
| { |
| json::array_t a{"previous", "value"}; |
| j.get_to(a); |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("std::valarray<json>") |
| { |
| std::valarray<json> a{"previous", "value"}; |
| j.get_to(a); |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("std::list<json>") |
| { |
| std::list<json> a{"previous", "value"}; |
| j.get_to(a); |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("std::forward_list<json>") |
| { |
| std::forward_list<json> a{"previous", "value"}; |
| j.get_to(a); |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("std::vector<json>") |
| { |
| std::vector<json> a{"previous", "value"}; |
| j.get_to(a); |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("built-in arrays") |
| { |
| const int nbs[] = {0, 1, 2}; // NOLINT(misc-const-correctness,cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| int nbs2[] = {0, 0, 0}; // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| |
| const json j2 = nbs; |
| j2.get_to(nbs2); |
| CHECK(std::equal(std::begin(nbs), std::end(nbs), std::begin(nbs2))); |
| } |
| |
| SECTION("built-in arrays: 2D") |
| { |
| const int nbs[][3] = {{0, 1, 2}, {3, 4, 5}}; // NOLINT(misc-const-correctness,cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| int nbs2[][3] = {{0, 0, 0}, {0, 0, 0}}; // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| |
| const json j2 = nbs; |
| j2.get_to(nbs2); |
| CHECK(std::equal(std::begin(nbs[0]), std::end(nbs[1]), std::begin(nbs2[0]))); |
| } |
| |
| SECTION("built-in arrays: 3D") |
| { |
| // NOLINTBEGIN(misc-const-correctness,cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| const int nbs[][2][3] = {\ |
| {{0, 1, 2}, {3, 4, 5}}, \ |
| {{10, 11, 12}, {13, 14, 15}}\ |
| }; |
| int nbs2[][2][3] = {\ |
| {{0, 0, 0}, {0, 0, 0}}, \ |
| {{0, 0, 0}, {0, 0, 0}}\ |
| }; |
| // NOLINTEND(misc-const-correctness,cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| |
| const json j2 = nbs; |
| j2.get_to(nbs2); |
| CHECK(std::equal(std::begin(nbs[0][0]), std::end(nbs[1][1]), std::begin(nbs2[0][0]))); |
| } |
| |
| SECTION("built-in arrays: 4D") |
| { |
| // NOLINTBEGIN(misc-const-correctness,cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| const int nbs[][2][2][3] = {\ |
| { |
| \ |
| {{0, 1, 2}, {3, 4, 5}}, \ |
| {{10, 11, 12}, {13, 14, 15}}\ |
| }, \ |
| { |
| \ |
| {{20, 21, 22}, {23, 24, 25}}, \ |
| {{30, 31, 32}, {33, 34, 35}}\ |
| }\ |
| }; |
| int nbs2[][2][2][3] = {\ |
| { |
| \ |
| {{0, 0, 0}, {0, 0, 0}}, \ |
| {{0, 0, 0}, {0, 0, 0}}\ |
| }, \ |
| { |
| \ |
| {{0, 0, 0}, {0, 0, 0}}, \ |
| {{0, 0, 0}, {0, 0, 0}}\ |
| }\ |
| }; |
| // NOLINTEND(misc-const-correctness,cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| |
| const json j2 = nbs; |
| j2.get_to(nbs2); |
| CHECK(std::equal(std::begin(nbs[0][0][0]), std::end(nbs[1][1][1]), std::begin(nbs2[0][0][0]))); |
| } |
| |
| SECTION("built-in arrays: 5D") |
| { |
| // NOLINTBEGIN(misc-const-correctness,cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| const int nbs[1][1][1][2][2] = {{{{{0, 1}, {2, 3}}}}}; |
| int nbs2[1][1][1][2][2] = {{{{{0, 0}, {0, 0}}}}}; |
| // NOLINTEND(misc-const-correctness,cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| |
| const json j2 = nbs; |
| j2.get_to(nbs2); |
| CHECK(std::equal(std::begin(nbs[0][0][0][0]), std::end(nbs[0][0][0][1]), std::begin(nbs2[0][0][0][0]))); |
| } |
| |
| SECTION("built-in arrays: mismatched shape") |
| { |
| // NOLINTBEGIN(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| int nbs2[2][3] = {{0, 0, 0}, {0, 0, 0}}; |
| // NOLINTEND(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) |
| |
| SECTION("not an array") |
| { |
| const json j2 = 42; |
| CHECK_THROWS_WITH_AS(j2.get_to(nbs2), "[json.exception.type_error.304] cannot use at() with number", json::type_error&); |
| } |
| |
| SECTION("too few elements") |
| { |
| const json j2 = {{0, 1, 2}}; |
| CHECK_THROWS_WITH_AS(j2.get_to(nbs2), "[json.exception.out_of_range.401] array index 1 is out of range", json::out_of_range&); |
| } |
| } |
| |
| SECTION("std::deque<json>") |
| { |
| std::deque<json> a{"previous", "value"}; |
| j.get_to(a); |
| CHECK(json(a) == j); |
| } |
| } |
| |
| #if JSON_USE_IMPLICIT_CONVERSIONS |
| SECTION("get an array (implicit)") |
| { |
| const json::array_t a_reference{json(1), json(1u), json(2.2), |
| json(false), json("string"), json()}; |
| json j(a_reference); |
| |
| SECTION("json::array_t") |
| { |
| const json::array_t a = j; |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("std::list<json>") |
| { |
| const std::list<json> a = j; |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("std::forward_list<json>") |
| { |
| const std::forward_list<json> a = j; |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("std::vector<json>") |
| { |
| const std::vector<json> a = j; |
| CHECK(json(a) == j); |
| } |
| |
| SECTION("std::deque<json>") |
| { |
| const std::deque<json> a = j; |
| CHECK(json(a) == j); |
| } |
| } |
| #endif |
| |
| SECTION("get a string (explicit)") |
| { |
| const json::string_t s_reference{"Hello world"}; |
| json j(s_reference); |
| |
| SECTION("string_t") |
| { |
| const json::string_t s = j.get<json::string_t>(); |
| CHECK(json(s) == j); |
| } |
| |
| SECTION("std::string") |
| { |
| const std::string s = j.get<std::string>(); |
| CHECK(json(s) == j); |
| } |
| #if defined(JSON_HAS_CPP_17) |
| SECTION("std::string_view") |
| { |
| std::string_view const s = j.get<std::string_view>(); |
| CHECK(json(s) == j); |
| } |
| #endif |
| |
| SECTION("exception in case of a non-string type") |
| { |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::null).get<json::string_t>(), |
| "[json.exception.type_error.302] type must be string, but is null", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::object).get<json::string_t>(), |
| "[json.exception.type_error.302] type must be string, but is object", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::array).get<json::string_t>(), |
| "[json.exception.type_error.302] type must be string, but is array", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::boolean).get<json::string_t>(), |
| "[json.exception.type_error.302] type must be string, " |
| "but is boolean", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_integer).get<json::string_t>(), |
| "[json.exception.type_error.302] type must be string, but is number", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_unsigned).get<json::string_t>(), |
| "[json.exception.type_error.302] type must be string, but is number", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_float).get<json::string_t>(), |
| "[json.exception.type_error.302] type must be string, but is number", json::type_error&); |
| } |
| |
| #if defined(JSON_HAS_CPP_17) |
| SECTION("exception in case of a non-string type using string_view") |
| { |
| CHECK_THROWS_WITH_AS(json(json::value_t::null).get<std::string_view>(), |
| "[json.exception.type_error.302] type must be string, but is null", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::object).get<std::string_view>(), |
| "[json.exception.type_error.302] type must be string, but is object", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::array).get<std::string_view>(), |
| "[json.exception.type_error.302] type must be string, but is array", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::boolean).get<std::string_view>(), |
| "[json.exception.type_error.302] type must be string, but is boolean", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::number_integer).get<std::string_view>(), |
| "[json.exception.type_error.302] type must be string, but is number", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::number_unsigned).get<std::string_view>(), |
| "[json.exception.type_error.302] type must be string, but is number", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::number_float).get<std::string_view>(), |
| "[json.exception.type_error.302] type must be string, but is number", json::type_error&); |
| } |
| #endif |
| } |
| |
| SECTION("get a string (explicit, get_to)") |
| { |
| const json::string_t s_reference{"Hello world"}; |
| json j(s_reference); |
| |
| SECTION("string_t") |
| { |
| json::string_t s = "previous value"; |
| j.get_to(s); |
| CHECK(json(s) == j); |
| } |
| |
| SECTION("std::string") |
| { |
| std::string s = "previous value"; |
| j.get_to(s); |
| CHECK(json(s) == j); |
| } |
| #if defined(JSON_HAS_CPP_17) |
| SECTION("std::string_view") |
| { |
| std::string const s = "previous value"; |
| std::string_view sv = s; |
| j.get_to(sv); |
| CHECK(json(sv) == j); |
| } |
| #endif |
| } |
| |
| SECTION("get null (explicit)") |
| { |
| std::nullptr_t n = nullptr; |
| const json j(n); |
| |
| auto n2 = j.get<std::nullptr_t>(); |
| CHECK(n2 == n); |
| |
| CHECK_THROWS_WITH_AS(json(json::value_t::string).get<std::nullptr_t>(), |
| "[json.exception.type_error.302] type must be null, but is string", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::object).get<std::nullptr_t>(), |
| "[json.exception.type_error.302] type must be null, but is object", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::array).get<std::nullptr_t>(), |
| "[json.exception.type_error.302] type must be null, but is array", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::boolean).get<std::nullptr_t>(), |
| "[json.exception.type_error.302] type must be null, but is boolean", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::number_integer).get<std::nullptr_t>(), |
| "[json.exception.type_error.302] type must be null, but is number", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::number_unsigned).get<std::nullptr_t>(), |
| "[json.exception.type_error.302] type must be null, but is number", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::number_float).get<std::nullptr_t>(), |
| "[json.exception.type_error.302] type must be null, but is number", json::type_error&); |
| } |
| |
| #if JSON_USE_IMPLICIT_CONVERSIONS |
| SECTION("get a string (implicit)") |
| { |
| const json::string_t s_reference{"Hello world"}; |
| json j(s_reference); |
| |
| SECTION("string_t") |
| { |
| const json::string_t s = j; |
| CHECK(json(s) == j); |
| } |
| |
| #if defined(JSON_HAS_CPP_17) |
| SECTION("std::string_view") |
| { |
| std::string_view const s = j.get<std::string_view>(); |
| CHECK(json(s) == j); |
| } |
| #endif |
| |
| SECTION("std::string") |
| { |
| const std::string s = j; |
| CHECK(json(s) == j); |
| } |
| } |
| #endif |
| |
| SECTION("get a boolean (explicit)") |
| { |
| const json::boolean_t b_reference{true}; |
| json j(b_reference); |
| |
| SECTION("boolean_t") |
| { |
| auto b = j.get<json::boolean_t>(); |
| CHECK(json(b) == j); |
| } |
| |
| SECTION("uint8_t") |
| { |
| auto n = j.get<uint8_t>(); |
| CHECK(n == 1); |
| } |
| |
| SECTION("bool") |
| { |
| const bool b = j.get<bool>(); |
| CHECK(json(b) == j); |
| } |
| |
| SECTION("exception in case of a non-number type") |
| { |
| CHECK_THROWS_AS(json(json::value_t::string).get<uint8_t>(), |
| json::type_error&); |
| |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::null).get<json::boolean_t>(), |
| "[json.exception.type_error.302] type must be boolean, but is null", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::object).get<json::boolean_t>(), |
| "[json.exception.type_error.302] type must be boolean, " |
| "but is object", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::array).get<json::boolean_t>(), |
| "[json.exception.type_error.302] type must be boolean, but is array", json::type_error&); |
| CHECK_THROWS_WITH_AS(json(json::value_t::string).get<json::boolean_t>(), |
| "[json.exception.type_error.302] type must be boolean, " |
| "but is string", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_integer).get<json::boolean_t>(), |
| "[json.exception.type_error.302] type must be boolean, but is " |
| "number", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_unsigned).get<json::boolean_t>(), |
| "[json.exception.type_error.302] type must be boolean, but is " |
| "number", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::number_float).get<json::boolean_t>(), |
| "[json.exception.type_error.302] type must be boolean, but is " |
| "number", json::type_error&); |
| } |
| } |
| |
| #if JSON_USE_IMPLICIT_CONVERSIONS |
| SECTION("get a boolean (implicit)") |
| { |
| const json::boolean_t b_reference{true}; |
| json j(b_reference); |
| |
| SECTION("boolean_t") |
| { |
| const json::boolean_t b = j; |
| CHECK(json(b) == j); |
| } |
| |
| SECTION("bool") |
| { |
| const bool b = j; |
| CHECK(json(b) == j); |
| } |
| } |
| #endif |
| |
| SECTION("get an integer number (explicit)") |
| { |
| const json::number_integer_t n_reference{42}; |
| json j(n_reference); |
| const json::number_unsigned_t n_unsigned_reference{42u}; |
| json j_unsigned(n_unsigned_reference); |
| |
| SECTION("number_integer_t") |
| { |
| auto n = j.get<json::number_integer_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("number_unsigned_t") |
| { |
| auto n = j_unsigned.get<json::number_unsigned_t>(); |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("short") |
| { |
| auto n = j.get<short>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("unsigned short") |
| { |
| auto n = j.get<unsigned short>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int") |
| { |
| const int n = j.get<int>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("unsigned int") |
| { |
| auto n = j.get<unsigned int>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("long") |
| { |
| const long n = j.get<long>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("unsigned long") |
| { |
| auto n = j.get<unsigned long>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("long long") |
| { |
| auto n = j.get<long long>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("unsigned long long") |
| { |
| auto n = j.get<unsigned long long>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int8_t") |
| { |
| auto n = j.get<int8_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int16_t") |
| { |
| auto n = j.get<int16_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int32_t") |
| { |
| auto n = j.get<int32_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int64_t") |
| { |
| auto n = j.get<int64_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int8_fast_t") |
| { |
| auto n = j.get<int_fast8_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int16_fast_t") |
| { |
| auto n = j.get<int_fast16_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int32_fast_t") |
| { |
| auto n = j.get<int_fast32_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int64_fast_t") |
| { |
| auto n = j.get<int_fast64_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int8_least_t") |
| { |
| auto n = j.get<int_least8_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int16_least_t") |
| { |
| auto n = j.get<int_least16_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int32_least_t") |
| { |
| auto n = j.get<int_least32_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int64_least_t") |
| { |
| auto n = j.get<int_least64_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint8_t") |
| { |
| auto n = j.get<uint8_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint16_t") |
| { |
| auto n = j.get<uint16_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint32_t") |
| { |
| auto n = j.get<uint32_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint64_t") |
| { |
| auto n = j.get<uint64_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint8_fast_t") |
| { |
| auto n = j.get<uint_fast8_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint16_fast_t") |
| { |
| auto n = j.get<uint_fast16_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint32_fast_t") |
| { |
| auto n = j.get<uint_fast32_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint64_fast_t") |
| { |
| auto n = j.get<uint_fast64_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint8_least_t") |
| { |
| auto n = j.get<uint_least8_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint16_least_t") |
| { |
| auto n = j.get<uint_least16_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint32_least_t") |
| { |
| auto n = j.get<uint_least32_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint64_least_t") |
| { |
| auto n = j.get<uint_least64_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("exception in case of a non-number type") |
| { |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::null).get<json::number_integer_t>(), |
| "[json.exception.type_error.302] type must be number, but is null", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::object).get<json::number_integer_t>(), |
| "[json.exception.type_error.302] type must be number, but is object", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::array).get<json::number_integer_t>(), |
| "[json.exception.type_error.302] type must be number, but is array", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::string).get<json::number_integer_t>(), |
| "[json.exception.type_error.302] type must be number, but is string", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::boolean).get<json::number_integer_t>(), |
| "[json.exception.type_error.302] type must be number, but is " |
| "boolean", json::type_error&); |
| |
| CHECK_NOTHROW( |
| json(json::value_t::number_float).get<json::number_integer_t>()); |
| CHECK_NOTHROW( |
| json(json::value_t::number_float).get<json::number_unsigned_t>()); |
| } |
| } |
| |
| #if JSON_USE_IMPLICIT_CONVERSIONS |
| SECTION("get an integer number (implicit)") |
| { |
| json::number_integer_t const n_reference{42}; |
| json j(n_reference); |
| json::number_unsigned_t const n_unsigned_reference{42u}; |
| json j_unsigned(n_unsigned_reference); |
| |
| SECTION("number_integer_t") |
| { |
| auto n = j.get<json::number_integer_t>(); |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("number_unsigned_t") |
| { |
| auto n = j_unsigned.get<json::number_unsigned_t>(); |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("short") |
| { |
| short const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("unsigned short") |
| { |
| unsigned short const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("int") |
| { |
| int const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("unsigned int") |
| { |
| unsigned int const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("long") |
| { |
| long const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("unsigned long") |
| { |
| unsigned long const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("long long") |
| { |
| long long const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("unsigned long long") |
| { |
| unsigned long long const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("int8_t") |
| { |
| int8_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int16_t") |
| { |
| int16_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int32_t") |
| { |
| int32_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int64_t") |
| { |
| int64_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int8_fast_t") |
| { |
| int_fast8_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int16_fast_t") |
| { |
| int_fast16_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int32_fast_t") |
| { |
| int_fast32_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int64_fast_t") |
| { |
| int_fast64_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int8_least_t") |
| { |
| int_least8_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int16_least_t") |
| { |
| int_least16_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int32_least_t") |
| { |
| int_least32_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("int64_least_t") |
| { |
| int_least64_t const n = j; |
| CHECK(json(n) == j); |
| } |
| |
| SECTION("uint8_t") |
| { |
| uint8_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("uint16_t") |
| { |
| uint16_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("uint32_t") |
| { |
| uint32_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("uint64_t") |
| { |
| uint64_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("uint8_fast_t") |
| { |
| uint_fast8_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("uint16_fast_t") |
| { |
| uint_fast16_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("uint32_fast_t") |
| { |
| uint_fast32_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("uint64_fast_t") |
| { |
| uint_fast64_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("uint8_least_t") |
| { |
| uint_least8_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("uint16_least_t") |
| { |
| uint_least16_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("uint32_least_t") |
| { |
| uint_least32_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| |
| SECTION("uint64_least_t") |
| { |
| uint_least64_t const n = j_unsigned; |
| CHECK(json(n) == j_unsigned); |
| } |
| } |
| #endif |
| |
| SECTION("get a floating-point number (explicit)") |
| { |
| json::number_float_t const n_reference{42.23}; |
| json const j(n_reference); |
| |
| SECTION("number_float_t") |
| { |
| auto n = j.get<json::number_float_t>(); |
| CHECK(json(n).m_data.m_value.number_float == Approx(j.m_data.m_value.number_float)); |
| } |
| |
| SECTION("float") |
| { |
| auto n = j.get<float>(); |
| CHECK(json(n).m_data.m_value.number_float == Approx(j.m_data.m_value.number_float)); |
| } |
| |
| SECTION("double") |
| { |
| auto n = j.get<double>(); |
| CHECK(json(n).m_data.m_value.number_float == Approx(j.m_data.m_value.number_float)); |
| } |
| |
| SECTION("exception in case of a non-string type") |
| { |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::null).get<json::number_float_t>(), |
| "[json.exception.type_error.302] type must be number, but is null", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::object).get<json::number_float_t>(), |
| "[json.exception.type_error.302] type must be number, but is object", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::array).get<json::number_float_t>(), |
| "[json.exception.type_error.302] type must be number, but is array", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::string).get<json::number_float_t>(), |
| "[json.exception.type_error.302] type must be number, but is string", json::type_error&); |
| CHECK_THROWS_WITH_AS( |
| json(json::value_t::boolean).get<json::number_float_t>(), |
| "[json.exception.type_error.302] type must be number, but is " |
| "boolean", json::type_error&); |
| |
| CHECK_NOTHROW( |
| json(json::value_t::number_integer).get<json::number_float_t>()); |
| CHECK_NOTHROW( |
| json(json::value_t::number_unsigned).get<json::number_float_t>()); |
| } |
| } |
| |
| #if JSON_USE_IMPLICIT_CONVERSIONS |
| SECTION("get a floating-point number (implicit)") |
| { |
| json::number_float_t const n_reference{42.23}; |
| json const j(n_reference); |
| |
| SECTION("number_float_t") |
| { |
| json::number_float_t const n = j; |
| CHECK(json(n).m_data.m_value.number_float == Approx(j.m_data.m_value.number_float)); |
| } |
| |
| SECTION("float") |
| { |
| float const n = j; |
| CHECK(json(n).m_data.m_value.number_float == Approx(j.m_data.m_value.number_float)); |
| } |
| |
| SECTION("double") |
| { |
| double const n = j; |
| CHECK(json(n).m_data.m_value.number_float == Approx(j.m_data.m_value.number_float)); |
| } |
| } |
| #endif |
| } |
| |
| #ifdef JSON_HAS_CPP_17 |
| #undef JSON_HAS_CPP_17 |
| #endif |
| |
| #ifdef JSON_HAS_CPP_14 |
| #undef JSON_HAS_CPP_14 |
| #endif |
| DOCTEST_CLANG_SUPPRESS_WARNING_POP |
