commit
ee8732c359
5 changed files with 271 additions and 42 deletions
test/src
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@ -142,6 +142,54 @@ TEST_CASE("value conversion")
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}
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}
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SECTION("get an object (explicit, get_to)")
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{
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json::object_t o_reference = {{"object", json::object()},
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{"array", {1, 2, 3, 4}},
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{"number", 42},
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{"boolean", false},
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{"null", nullptr},
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{"string", "Hello world"}
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};
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json j(o_reference);
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SECTION("json::object_t")
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{
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json::object_t o = {{"previous", "value"}};
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j.get_to(o);
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CHECK(json(o) == j);
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}
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SECTION("std::map<json::string_t, json>")
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{
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std::map<json::string_t, json> o{{"previous", "value"}};
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j.get_to(o);
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CHECK(json(o) == j);
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}
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SECTION("std::multimap<json::string_t, json>")
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{
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std::multimap<json::string_t, json> o{{"previous", "value"}};
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j.get_to(o);
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CHECK(json(o) == j);
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}
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SECTION("std::unordered_map<json::string_t, json>")
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{
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std::unordered_map<json::string_t, json> o{{"previous", "value"}};
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j.get_to(o);
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CHECK(json(o) == j);
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}
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SECTION("std::unordered_multimap<json::string_t, json>")
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{
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std::unordered_multimap<json::string_t, json> o{{"previous", "value"}};
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j.get_to(o);
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CHECK(json(o) == j);
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}
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}
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SECTION("get an object (implicit)")
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{
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json::object_t o_reference = {{"object", json::object()},
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@ -228,11 +276,6 @@ TEST_CASE("value conversion")
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#if not defined(JSON_NOEXCEPTION)
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SECTION("reserve is called on containers that supports it")
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{
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// making the call to from_json throw in order to check capacity
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std::vector<float> v;
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CHECK_THROWS_AS(nlohmann::from_json(j, v), json::type_error&);
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CHECK(v.capacity() == j.size());
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// make sure all values are properly copied
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std::vector<int> v2 = json({1, 2, 3, 4, 5, 6, 7, 8, 9, 10});
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CHECK(v2.size() == 10);
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@ -304,6 +347,65 @@ TEST_CASE("value conversion")
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}
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}
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SECTION("get an array (explicit, get_to)")
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{
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json::array_t a_reference{json(1), json(1u), json(2.2),
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json(false), json("string"), json()};
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json j(a_reference);
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SECTION("json::array_t")
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{
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json::array_t a{"previous", "value"};
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j.get_to(a);
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CHECK(json(a) == j);
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}
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SECTION("std::valarray<json>")
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{
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std::valarray<json> a{"previous", "value"};
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j.get_to(a);
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CHECK(json(a) == j);
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}
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SECTION("std::list<json>")
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{
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std::list<json> a{"previous", "value"};
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j.get_to(a);
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CHECK(json(a) == j);
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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{"previous", "value"};
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j.get_to(a);
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CHECK(json(a) == j);
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}
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SECTION("std::vector<json>")
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{
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std::vector<json> a{"previous", "value"};
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j.get_to(a);
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CHECK(json(a) == j);
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}
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SECTION("built-in arrays")
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{
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const int nbs[] = {0, 1, 2};
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int nbs2[] = {0, 0, 0};
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json j2 = nbs;
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j2.get_to(nbs2);
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CHECK(std::equal(std::begin(nbs), std::end(nbs), std::begin(nbs2)));
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}
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SECTION("std::deque<json>")
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{
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std::deque<json> a{"previous", "value"};
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j.get_to(a);
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CHECK(json(a) == j);
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}
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}
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SECTION("get an array (implicit)")
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{
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json::array_t a_reference{json(1), json(1u), json(2.2),
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@ -435,6 +537,35 @@ TEST_CASE("value conversion")
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#endif
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}
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SECTION("get a string (explicit, get_to)")
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{
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json::string_t s_reference{"Hello world"};
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json j(s_reference);
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SECTION("string_t")
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{
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json::string_t s = "previous value";
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j.get_to(s);
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CHECK(json(s) == j);
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}
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SECTION("std::string")
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{
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std::string s = "previous value";
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j.get_to(s);
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CHECK(json(s) == j);
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}
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#if defined(JSON_HAS_CPP_17)
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SECTION("std::string_view")
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{
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std::string s = "previous value";
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std::string_view sv = s;
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j.get_to(sv);
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CHECK(json(sv) == j);
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}
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#endif
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}
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SECTION("get null (explicit)")
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{
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std::nullptr_t n = nullptr;
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@ -505,13 +636,19 @@ TEST_CASE("value conversion")
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CHECK(json(b) == j);
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}
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SECTION("uint8_t")
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{
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auto n = j.get<uint8_t>();
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CHECK(n == 1);
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}
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SECTION("bool")
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{
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bool b = j.get<bool>();
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CHECK(json(b) == j);
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}
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SECTION("exception in case of a non-string type")
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SECTION("exception in case of a non-number type")
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{
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CHECK_THROWS_AS(json(json::value_t::null).get<json::boolean_t>(),
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json::type_error&);
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@ -521,6 +658,8 @@ TEST_CASE("value conversion")
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json::type_error&);
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CHECK_THROWS_AS(json(json::value_t::string).get<json::boolean_t>(),
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json::type_error&);
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CHECK_THROWS_AS(json(json::value_t::string).get<uint8_t>(),
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json::type_error&);
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CHECK_THROWS_AS(
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json(json::value_t::number_integer).get<json::boolean_t>(),
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json::type_error&);
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