mirror of
https://github.com/nlohmann/json.git
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303 lines
8.4 KiB
C++
303 lines
8.4 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 an 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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}
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