mirror of
https://github.com/nlohmann/json.git
synced 2024-08-23 21:42:29 +02:00
897 lines
24 KiB
C++
897 lines
24 KiB
C++
#define CATCH_CONFIG_MAIN
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#include "catch.hpp"
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#include "json.hpp"
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using nlohmann::json;
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#include <array>
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#include <deque>
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#include <forward_list>
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#include <list>
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#include <map>
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#include <set>
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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#include <vector>
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TEST_CASE("Constructors")
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{
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SECTION("create an empty value with a given type")
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{
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SECTION("null")
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{
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auto t = json::value_t::null;
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json j(t);
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CHECK(j.type() == t);
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}
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SECTION("object")
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{
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auto t = json::value_t::object;
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json j(t);
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CHECK(j.type() == t);
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}
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SECTION("array")
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{
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auto t = json::value_t::array;
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json j(t);
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CHECK(j.type() == t);
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}
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SECTION("boolean")
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{
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auto t = json::value_t::boolean;
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json j(t);
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CHECK(j.type() == t);
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}
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SECTION("string")
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{
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auto t = json::value_t::string;
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json j(t);
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CHECK(j.type() == t);
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}
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SECTION("number_integer")
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{
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auto t = json::value_t::number_integer;
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json j(t);
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CHECK(j.type() == t);
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}
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SECTION("number_float")
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{
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auto t = json::value_t::number_float;
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json j(t);
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CHECK(j.type() == t);
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}
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}
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SECTION("create a null object (implicitly)")
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{
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SECTION("no parameter")
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{
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json j{};
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CHECK(j.type() == json::value_t::null);
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}
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}
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SECTION("create a null object (explicitly)")
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{
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SECTION("parameter")
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{
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json j(nullptr);
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CHECK(j.type() == json::value_t::null);
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}
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}
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SECTION("create an object (explicit)")
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{
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SECTION("empty object")
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{
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json::object_t o;
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json j(o);
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CHECK(j.type() == json::value_t::object);
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}
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SECTION("filled object")
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{
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json::object_t o {{"a", json(1)}, {"b", json(2.2)}, {"c", json(false)}, {"d", json("string")}, {"e", json()}};
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json j(o);
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CHECK(j.type() == json::value_t::object);
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}
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}
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SECTION("create an object (implicit)")
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{
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// reference object
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json::object_t o_reference {{"a", json(1)}, {"b", json(2.2)}, {"c", json(false)}, {"d", json("string")}, {"e", json()}};
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json j_reference(o_reference);
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SECTION("std::map<std::string, json>")
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{
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std::map<std::string, json> o {{"a", json(1)}, {"b", json(2.2)}, {"c", json(false)}, {"d", json("string")}, {"e", json()}};
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json j(o);
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CHECK(j.type() == json::value_t::object);
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CHECK(j == j_reference);
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}
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SECTION("std::map<const char*, json>")
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{
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std::map<const char*, json> o {{"a", json(1)}, {"b", json(2.2)}, {"c", json(false)}, {"d", json("string")}, {"e", json()}};
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json j(o);
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CHECK(j.type() == json::value_t::object);
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CHECK(j == j_reference);
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}
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SECTION("std::multimap<std::string, json>")
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{
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std::multimap<std::string, json> o {{"a", json(1)}, {"b", json(2.2)}, {"c", json(false)}, {"d", json("string")}, {"e", json()}};
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json j(o);
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CHECK(j.type() == json::value_t::object);
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CHECK(j == j_reference);
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}
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SECTION("std::unordered_map<std::string, json>")
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{
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std::unordered_map<std::string, json> o {{"a", json(1)}, {"b", json(2.2)}, {"c", json(false)}, {"d", json("string")}, {"e", json()}};
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json j(o);
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CHECK(j.type() == json::value_t::object);
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CHECK(j == j_reference);
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}
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SECTION("std::unordered_multimap<std::string, json>")
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{
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std::unordered_multimap<std::string, json> o {{"a", json(1)}, {"b", json(2.2)}, {"c", json(false)}, {"d", json("string")}, {"e", json()}};
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json j(o);
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CHECK(j.type() == json::value_t::object);
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CHECK(j == j_reference);
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}
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SECTION("associative container literal")
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{
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json j({{"a", json(1)}, {"b", json(2.2)}, {"c", json(false)}, {"d", json("string")}, {"e", json()}});
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CHECK(j.type() == json::value_t::object);
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CHECK(j == j_reference);
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}
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}
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SECTION("create an array (explicit)")
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{
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SECTION("empty array")
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{
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json::array_t a;
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json j(a);
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CHECK(j.type() == json::value_t::array);
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}
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SECTION("filled array")
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{
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json::array_t a {json(1), json(2.2), json(false), json("string"), json()};
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json j(a);
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CHECK(j.type() == json::value_t::array);
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}
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}
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SECTION("create an array (implicit)")
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{
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// reference array
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json::array_t a_reference {json(1), json(2.2), json(false), json("string"), json()};
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json j_reference(a_reference);
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SECTION("std::list<json>")
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{
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std::list<json> a {json(1), json(2.2), json(false), json("string"), json()};
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json j(a);
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CHECK(j.type() == json::value_t::array);
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CHECK(j == j_reference);
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}
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SECTION("std::forward_list<json>")
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{
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std::forward_list<json> a {json(1), json(2.2), json(false), json("string"), json()};
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json j(a);
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CHECK(j.type() == json::value_t::array);
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CHECK(j == j_reference);
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}
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SECTION("std::array<json>")
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{
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std::array<json, 5> a {{json(1), json(2.2), json(false), json("string"), json()}};
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json j(a);
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CHECK(j.type() == json::value_t::array);
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CHECK(j == j_reference);
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}
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SECTION("std::vector<json>")
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{
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std::vector<json> a {json(1), json(2.2), json(false), json("string"), json()};
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json j(a);
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CHECK(j.type() == json::value_t::array);
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CHECK(j == j_reference);
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}
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SECTION("std::deque<json>")
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{
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std::deque<json> a {json(1), json(2.2), json(false), json("string"), json()};
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json j(a);
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CHECK(j.type() == json::value_t::array);
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CHECK(j == j_reference);
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}
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SECTION("std::set<json>")
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{
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std::set<json> a {json(1), json(2.2), json(false), json("string"), json()};
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json j(a);
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CHECK(j.type() == json::value_t::array);
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// we cannot really check for equality here
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}
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SECTION("std::unordered_set<json>")
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{
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std::unordered_set<json> a {json(1), json(2.2), json(false), json("string"), json()};
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json j(a);
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CHECK(j.type() == json::value_t::array);
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// we cannot really check for equality here
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}
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SECTION("sequence container literal")
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{
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json j({json(1), json(2.2), json(false), json("string"), json()});
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CHECK(j.type() == json::value_t::array);
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CHECK(j == j_reference);
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}
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}
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SECTION("create a string (explicit)")
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{
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SECTION("empty string")
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{
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json::string_t s;
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json j(s);
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CHECK(j.type() == json::value_t::string);
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}
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SECTION("filled string")
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{
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json::string_t s {"Hello world"};
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json j(s);
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CHECK(j.type() == json::value_t::string);
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}
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}
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SECTION("create a string (implicit)")
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{
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// reference string
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json::string_t s_reference {"Hello world"};
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json j_reference(s_reference);
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SECTION("std::string")
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{
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std::string s {"Hello world"};
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json j(s);
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CHECK(j.type() == json::value_t::string);
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CHECK(j == j_reference);
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}
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SECTION("char[]")
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{
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char s[] {"Hello world"};
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json j(s);
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CHECK(j.type() == json::value_t::string);
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CHECK(j == j_reference);
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}
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SECTION("const char*")
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{
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const char* s {"Hello world"};
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json j(s);
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CHECK(j.type() == json::value_t::string);
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CHECK(j == j_reference);
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}
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SECTION("string literal")
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{
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json j("Hello world");
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CHECK(j.type() == json::value_t::string);
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CHECK(j == j_reference);
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}
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}
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SECTION("create a boolean (explicit)")
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{
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SECTION("empty boolean")
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{
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json::boolean_t b{};
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json j(b);
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CHECK(j.type() == json::value_t::boolean);
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}
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SECTION("filled boolean (true)")
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{
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json j(true);
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CHECK(j.type() == json::value_t::boolean);
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}
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SECTION("filled boolean (false)")
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{
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json j(false);
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CHECK(j.type() == json::value_t::boolean);
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}
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}
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SECTION("create an integer number (explicit)")
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{
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SECTION("uninitialized value")
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{
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json::number_integer_t n{};
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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}
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SECTION("initialized value")
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{
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json::number_integer_t n(42);
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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}
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}
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SECTION("create an integer number (implicit)")
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{
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// reference object
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json::number_integer_t n_reference = 42;
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json j_reference(n_reference);
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SECTION("short")
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{
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short n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("unsigned short")
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{
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unsigned short n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int")
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{
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int n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("unsigned int")
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{
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unsigned int n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("long")
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{
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long n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("unsigned long")
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{
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short n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("long long")
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{
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long long n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("unsigned long long")
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{
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unsigned long long n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int8_t")
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{
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int8_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int16_t")
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{
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int16_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int32_t")
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{
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int32_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int64_t")
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{
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int64_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int_fast8_t")
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{
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int_fast8_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int_fast16_t")
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{
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int_fast16_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int_fast32_t")
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{
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int_fast32_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int_fast64_t")
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{
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int_fast64_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int_least8_t")
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{
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int_least8_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int_least16_t")
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{
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int_least16_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int_least32_t")
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{
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int_least32_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("int_least64_t")
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{
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int_least64_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("uint8_t")
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{
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uint8_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("uint16_t")
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{
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uint16_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("uint32_t")
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{
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uint32_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("uint64_t")
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{
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uint64_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("uint_fast8_t")
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{
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uint_fast8_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("uint_fast16_t")
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{
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uint_fast16_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("uint_fast32_t")
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{
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uint_fast32_t n = 42;
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json j(n);
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CHECK(j.type() == json::value_t::number_integer);
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CHECK(j == j_reference);
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}
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SECTION("uint_fast64_t")
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{
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uint_fast64_t n = 42;
|
|
json j(n);
|
|
CHECK(j.type() == json::value_t::number_integer);
|
|
CHECK(j == j_reference);
|
|
}
|
|
|
|
SECTION("uint_least8_t")
|
|
{
|
|
uint_least8_t n = 42;
|
|
json j(n);
|
|
CHECK(j.type() == json::value_t::number_integer);
|
|
CHECK(j == j_reference);
|
|
}
|
|
|
|
SECTION("uint_least16_t")
|
|
{
|
|
uint_least16_t n = 42;
|
|
json j(n);
|
|
CHECK(j.type() == json::value_t::number_integer);
|
|
CHECK(j == j_reference);
|
|
}
|
|
|
|
SECTION("uint_least32_t")
|
|
{
|
|
uint_least32_t n = 42;
|
|
json j(n);
|
|
CHECK(j.type() == json::value_t::number_integer);
|
|
CHECK(j == j_reference);
|
|
}
|
|
|
|
SECTION("uint_least64_t")
|
|
{
|
|
uint_least64_t n = 42;
|
|
json j(n);
|
|
CHECK(j.type() == json::value_t::number_integer);
|
|
CHECK(j == j_reference);
|
|
}
|
|
|
|
SECTION("integer literal without suffix")
|
|
{
|
|
json j(42);
|
|
CHECK(j.type() == json::value_t::number_integer);
|
|
CHECK(j == j_reference);
|
|
}
|
|
|
|
SECTION("integer literal with u suffix")
|
|
{
|
|
json j(42u);
|
|
CHECK(j.type() == json::value_t::number_integer);
|
|
CHECK(j == j_reference);
|
|
}
|
|
|
|
SECTION("integer literal with l suffix")
|
|
{
|
|
json j(42l);
|
|
CHECK(j.type() == json::value_t::number_integer);
|
|
CHECK(j == j_reference);
|
|
}
|
|
|
|
SECTION("integer literal with ul suffix")
|
|
{
|
|
json j(42ul);
|
|
CHECK(j.type() == json::value_t::number_integer);
|
|
CHECK(j == j_reference);
|
|
}
|
|
|
|
SECTION("integer literal with ll suffix")
|
|
{
|
|
json j(42ll);
|
|
CHECK(j.type() == json::value_t::number_integer);
|
|
CHECK(j == j_reference);
|
|
}
|
|
|
|
SECTION("integer literal with ull suffix")
|
|
{
|
|
json j(42ull);
|
|
CHECK(j.type() == json::value_t::number_integer);
|
|
CHECK(j == j_reference);
|
|
}
|
|
}
|
|
|
|
SECTION("create a floating-point number (explicit)")
|
|
{
|
|
SECTION("uninitialized value")
|
|
{
|
|
json::number_float_t n{};
|
|
json j(n);
|
|
CHECK(j.type() == json::value_t::number_float);
|
|
}
|
|
|
|
SECTION("initialized value")
|
|
{
|
|
json::number_float_t n(42.23);
|
|
json j(n);
|
|
CHECK(j.type() == json::value_t::number_float);
|
|
}
|
|
}
|
|
|
|
SECTION("create a floating-point number (implicit)")
|
|
{
|
|
// reference object
|
|
json::number_float_t n_reference = 42.23;
|
|
json j_reference(n_reference);
|
|
|
|
SECTION("float")
|
|
{
|
|
float n = 42.23;
|
|
json j(n);
|
|
CHECK(j.type() == json::value_t::number_float);
|
|
CHECK(j.m_value.number_float == Approx(j_reference.m_value.number_float));
|
|
}
|
|
|
|
SECTION("double")
|
|
{
|
|
double n = 42.23;
|
|
json j(n);
|
|
CHECK(j.type() == json::value_t::number_float);
|
|
CHECK(j.m_value.number_float == Approx(j_reference.m_value.number_float));
|
|
}
|
|
|
|
SECTION("long double")
|
|
{
|
|
long double n = 42.23;
|
|
json j(n);
|
|
CHECK(j.type() == json::value_t::number_float);
|
|
CHECK(j.m_value.number_float == Approx(j_reference.m_value.number_float));
|
|
}
|
|
|
|
SECTION("floating-point literal without suffix")
|
|
{
|
|
json j(42.23);
|
|
CHECK(j.type() == json::value_t::number_float);
|
|
CHECK(j.m_value.number_float == Approx(j_reference.m_value.number_float));
|
|
}
|
|
|
|
SECTION("integer literal with f suffix")
|
|
{
|
|
json j(42.23f);
|
|
CHECK(j.type() == json::value_t::number_float);
|
|
CHECK(j.m_value.number_float == Approx(j_reference.m_value.number_float));
|
|
}
|
|
|
|
SECTION("integer literal with l suffix")
|
|
{
|
|
json j(42.23l);
|
|
CHECK(j.type() == json::value_t::number_float);
|
|
CHECK(j.m_value.number_float == Approx(j_reference.m_value.number_float));
|
|
}
|
|
}
|
|
|
|
SECTION("create a container (array or object) from an initializer list")
|
|
{
|
|
SECTION("empty initializer list")
|
|
{
|
|
SECTION("explicit")
|
|
{
|
|
std::initializer_list<json> l;
|
|
json j(l);
|
|
CHECK(j.type() == json::value_t::object);
|
|
}
|
|
|
|
SECTION("implicit")
|
|
{
|
|
json j {};
|
|
CHECK(j.type() == json::value_t::null);
|
|
}
|
|
}
|
|
|
|
SECTION("one element")
|
|
{
|
|
SECTION("array")
|
|
{
|
|
SECTION("explicit")
|
|
{
|
|
std::initializer_list<json> l = {json(json::array_t())};
|
|
json j(l);
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
|
|
SECTION("implicit")
|
|
{
|
|
json j {json::array_t()};
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
}
|
|
|
|
SECTION("object")
|
|
{
|
|
SECTION("explicit")
|
|
{
|
|
std::initializer_list<json> l = {json(json::object_t())};
|
|
json j(l);
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
|
|
SECTION("implicit")
|
|
{
|
|
json j {json::object_t()};
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
}
|
|
|
|
SECTION("string")
|
|
{
|
|
SECTION("explicit")
|
|
{
|
|
std::initializer_list<json> l = {json("Hello world")};
|
|
json j(l);
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
|
|
SECTION("implicit")
|
|
{
|
|
json j {"Hello world"};
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
}
|
|
|
|
SECTION("boolean")
|
|
{
|
|
SECTION("explicit")
|
|
{
|
|
std::initializer_list<json> l = {json(true)};
|
|
json j(l);
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
|
|
SECTION("implicit")
|
|
{
|
|
json j {true};
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
}
|
|
|
|
SECTION("number (integer)")
|
|
{
|
|
SECTION("explicit")
|
|
{
|
|
std::initializer_list<json> l = {json(1)};
|
|
json j(l);
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
|
|
SECTION("implicit")
|
|
{
|
|
json j {1};
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
}
|
|
|
|
SECTION("number (floating-point)")
|
|
{
|
|
SECTION("explicit")
|
|
{
|
|
std::initializer_list<json> l = {json(42.23)};
|
|
json j(l);
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
|
|
SECTION("implicit")
|
|
{
|
|
json j {42.23};
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
}
|
|
}
|
|
|
|
SECTION("more elements")
|
|
{
|
|
SECTION("explicit")
|
|
{
|
|
std::initializer_list<json> l = {1, 42.23, true, nullptr, json::object_t(), json::array_t()};
|
|
json j(l);
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
|
|
SECTION("implicit")
|
|
{
|
|
json j {1, 42.23, true, nullptr, json::object_t(), json::array_t()};
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
}
|
|
|
|
SECTION("implicit type deduction")
|
|
{
|
|
SECTION("object")
|
|
{
|
|
json j { {"one", 1}, {"two", 2.2}, {"three", false} };
|
|
CHECK(j.type() == json::value_t::object);
|
|
}
|
|
|
|
SECTION("array")
|
|
{
|
|
json j { {"one", 1}, {"two", 2.2}, {"three", false}, 13 };
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
}
|
|
|
|
SECTION("explicit type deduction")
|
|
{
|
|
SECTION("empty object")
|
|
{
|
|
json j = json::object();
|
|
CHECK(j.type() == json::value_t::object);
|
|
}
|
|
|
|
SECTION("object")
|
|
{
|
|
json j = json::object({ {"one", 1}, {"two", 2.2}, {"three", false} });
|
|
CHECK(j.type() == json::value_t::object);
|
|
}
|
|
|
|
SECTION("object with error")
|
|
{
|
|
CHECK_THROWS_AS(json::object({ {"one", 1}, {"two", 2.2}, {"three", false}, 13 }), std::logic_error);
|
|
}
|
|
|
|
SECTION("empty array")
|
|
{
|
|
json j = json::array();
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
|
|
SECTION("array")
|
|
{
|
|
json j = json::array({ {"one", 1}, {"two", 2.2}, {"three", false} });
|
|
CHECK(j.type() == json::value_t::array);
|
|
}
|
|
}
|
|
}
|
|
}
|