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Commit be1d3de4 by Niels Lohmann Committed by Théo DELRIEU
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💄 moved changes to re2c file and ran `make pretty`

parent aa2679a8
Showing with 356 additions and 333 deletions
src/json.hpp
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src/json.hpp.re2c
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test/src/unit-class_lexer.cpp
......@@ -39,66 +39,66 @@ TEST_CASE("lexer class")
SECTION("structural characters")
{
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("["),
1).scan() == json::lexer::token_type::begin_array));
1).scan() == json::lexer::token_type::begin_array));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("]"),
1).scan() == json::lexer::token_type::end_array));
1).scan() == json::lexer::token_type::end_array));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("{"),
1).scan() == json::lexer::token_type::begin_object));
1).scan() == json::lexer::token_type::begin_object));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("}"),
1).scan() == json::lexer::token_type::end_object));
1).scan() == json::lexer::token_type::end_object));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>(","),
1).scan() == json::lexer::token_type::value_separator));
1).scan() == json::lexer::token_type::value_separator));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>(":"),
1).scan() == json::lexer::token_type::name_separator));
1).scan() == json::lexer::token_type::name_separator));
}
SECTION("literal names")
{
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("null"),
4).scan() == json::lexer::token_type::literal_null));
4).scan() == json::lexer::token_type::literal_null));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("true"),
4).scan() == json::lexer::token_type::literal_true));
4).scan() == json::lexer::token_type::literal_true));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("false"),
5).scan() == json::lexer::token_type::literal_false));
5).scan() == json::lexer::token_type::literal_false));
}
SECTION("numbers")
{
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("0"),
1).scan() == json::lexer::token_type::value_number));
1).scan() == json::lexer::token_type::value_number));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("1"),
1).scan() == json::lexer::token_type::value_number));
1).scan() == json::lexer::token_type::value_number));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("2"),
1).scan() == json::lexer::token_type::value_number));
1).scan() == json::lexer::token_type::value_number));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("3"),
1).scan() == json::lexer::token_type::value_number));
1).scan() == json::lexer::token_type::value_number));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("4"),
1).scan() == json::lexer::token_type::value_number));
1).scan() == json::lexer::token_type::value_number));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("5"),
1).scan() == json::lexer::token_type::value_number));
1).scan() == json::lexer::token_type::value_number));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("6"),
1).scan() == json::lexer::token_type::value_number));
1).scan() == json::lexer::token_type::value_number));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("7"),
1).scan() == json::lexer::token_type::value_number));
1).scan() == json::lexer::token_type::value_number));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("8"),
1).scan() == json::lexer::token_type::value_number));
1).scan() == json::lexer::token_type::value_number));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("9"),
1).scan() == json::lexer::token_type::value_number));
1).scan() == json::lexer::token_type::value_number));
}
SECTION("whitespace")
{
// result is end_of_input, because not token is following
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>(" "),
1).scan() == json::lexer::token_type::end_of_input));
1).scan() == json::lexer::token_type::end_of_input));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("\t"),
1).scan() == json::lexer::token_type::end_of_input));
1).scan() == json::lexer::token_type::end_of_input));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("\n"),
1).scan() == json::lexer::token_type::end_of_input));
1).scan() == json::lexer::token_type::end_of_input));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>("\r"),
1).scan() == json::lexer::token_type::end_of_input));
1).scan() == json::lexer::token_type::end_of_input));
CHECK((json::lexer(reinterpret_cast<const json::lexer::lexer_char_t*>(" \t\n\r\n\t "),
7).scan() == json::lexer::token_type::end_of_input));
7).scan() == json::lexer::token_type::end_of_input));
}
}
......
test/src/unit-udt.cpp
......@@ -38,252 +38,257 @@ using nlohmann::json;
namespace udt
{
enum class country
{
enum class country
{
china,
france,
russia
};
};
struct age
{
struct age
{
int m_val;
};
};
struct name
{
struct name
{
std::string m_val;
};
};
struct address
{
struct address
{
std::string m_val;
};
};
struct person
{
struct person
{
age m_age;
name m_name;
country m_country;
};
};
struct contact
{
struct contact
{
person m_person;
address m_address;
};
};
struct contact_book
{
struct contact_book
{
name m_book_name;
std::vector<contact> m_contacts;
};
};
}
// to_json methods
namespace udt
{
// templates because of the custom_json tests (see below)
template <typename Json>
void to_json(Json& j, age a)
{
// templates because of the custom_json tests (see below)
template <typename Json>
void to_json(Json& j, age a)
{
j = a.m_val;
}
}
template <typename Json>
void to_json(Json& j, name const& n)
{
template <typename Json>
void to_json(Json& j, name const& n)
{
j = n.m_val;
}
}
template <typename Json>
void to_json(Json& j, country c)
{
template <typename Json>
void to_json(Json& j, country c)
{
switch (c)
{
case country::china:
j = u8"中华人民共和国";
return;
case country::france:
j = "France";
return;
case country::russia:
j = u8"Российская Федерация";
return;
case country::china:
j = u8"中华人民共和国";
return;
case country::france:
j = "France";
return;
case country::russia:
j = u8"Российская Федерация";
return;
}
}
}
template <typename Json>
void to_json(Json& j, person const& p)
{
template <typename Json>
void to_json(Json& j, person const& p)
{
j = Json{{"age", p.m_age}, {"name", p.m_name}, {"country", p.m_country}};
}
}
void to_json(nlohmann::json& j, address const& a)
{
void to_json(nlohmann::json& j, address const& a)
{
j = a.m_val;
}
}
void to_json(nlohmann::json& j, contact const& c)
{
void to_json(nlohmann::json& j, contact const& c)
{
j = json{{"person", c.m_person}, {"address", c.m_address}};
}
}
void to_json(nlohmann::json& j, contact_book const& cb)
{
void to_json(nlohmann::json& j, contact_book const& cb)
{
j = json{{"name", cb.m_book_name}, {"contacts", cb.m_contacts}};
}
}
// operators
bool operator==(age lhs, age rhs)
{
// operators
bool operator==(age lhs, age rhs)
{
return lhs.m_val == rhs.m_val;
}
}
bool operator==(address const &lhs, address const &rhs)
{
bool operator==(address const& lhs, address const& rhs)
{
return lhs.m_val == rhs.m_val;
}
}
bool operator==(name const &lhs, name const &rhs)
{
bool operator==(name const& lhs, name const& rhs)
{
return lhs.m_val == rhs.m_val;
}
}
bool operator==(person const &lhs, person const &rhs)
{
bool operator==(person const& lhs, person const& rhs)
{
return std::tie(lhs.m_name, lhs.m_age) == std::tie(rhs.m_name, rhs.m_age);
}
}
bool operator==(contact const &lhs, contact const &rhs)
{
bool operator==(contact const& lhs, contact const& rhs)
{
return std::tie(lhs.m_person, lhs.m_address) ==
std::tie(rhs.m_person, rhs.m_address);
}
}
bool operator==(contact_book const &lhs, contact_book const &rhs)
{
bool operator==(contact_book const& lhs, contact_book const& rhs)
{
return std::tie(lhs.m_book_name, lhs.m_contacts) ==
std::tie(rhs.m_book_name, rhs.m_contacts);
}
}
}
// from_json methods
namespace udt
{
template <typename Json>
void from_json(Json const& j, age &a)
{
template <typename Json>
void from_json(Json const& j, age& a)
{
a.m_val = j.template get<int>();
}
}
template <typename Json>
void from_json(Json const& j, name &n)
{
template <typename Json>
void from_json(Json const& j, name& n)
{
n.m_val = j.template get<std::string>();
}
}
template <typename Json>
void from_json(Json const &j, country &c)
{
template <typename Json>
void from_json(Json const& j, country& c)
{
const auto str = j.template get<std::string>();
static const std::map<std::string, country> m = {
static const std::map<std::string, country> m =
{
{u8"中华人民共和国", country::china},
{"France", country::france},
{"Российская Федерация", country::russia}};
{"Российская Федерация", country::russia}
};
const auto it = m.find(str);
// TODO test exceptions
c = it->second;
}
}
template <typename Json>
void from_json(Json const& j, person &p)
{
template <typename Json>
void from_json(Json const& j, person& p)
{
p.m_age = j["age"].template get<age>();
p.m_name = j["name"].template get<name>();
p.m_country = j["country"].template get<country>();
}
}
void from_json(nlohmann::json const &j, address &a)
{
void from_json(nlohmann::json const& j, address& a)
{
a.m_val = j.get<std::string>();
}
}
void from_json(nlohmann::json const& j, contact &c)
{
void from_json(nlohmann::json const& j, contact& c)
{
c.m_person = j["person"].get<person>();
c.m_address = j["address"].get<address>();
}
}
void from_json(nlohmann::json const&j, contact_book &cb)
{
void from_json(nlohmann::json const& j, contact_book& cb)
{
cb.m_book_name = j["name"].get<name>();
cb.m_contacts = j["contacts"].get<std::vector<contact>>();
}
}
}
TEST_CASE("basic usage", "[udt]")
{
// a bit narcissic maybe :) ?
const udt::age a{23};
const udt::name n{"theo"};
const udt::country c{udt::country::france};
const udt::person sfinae_addict{a, n, c};
const udt::person senior_programmer{{42}, {u8"王芳"}, udt::country::china};
const udt::address addr{"Paris"};
const udt::contact cpp_programmer{sfinae_addict, addr};
const udt::contact_book book{{"C++"}, {cpp_programmer, {senior_programmer, addr}}};
SECTION("conversion to json via free-functions")
{
CHECK(json(a) == json(23));
CHECK(json(n) == json("theo"));
CHECK(json(c) == json("France"));
CHECK(json(sfinae_addict) == R"({"name":"theo", "age":23, "country":"France"})"_json);
CHECK(json("Paris") == json(addr));
CHECK(json(cpp_programmer) ==
R"({"person" : {"age":23, "name":"theo", "country":"France"}, "address":"Paris"})"_json);
CHECK(
json(book) ==
u8R"({"name":"C++", "contacts" : [{"person" : {"age":23, "name":"theo", "country":"France"}, "address":"Paris"}, {"person" : {"age":42, "country":"中华人民共和国", "name":"王芳"}, "address":"Paris"}]})"_json);
}
SECTION("conversion from json via free-functions")
{
const auto big_json =
u8R"({"name":"C++", "contacts" : [{"person" : {"age":23, "name":"theo", "country":"France"}, "address":"Paris"}, {"person" : {"age":42, "country":"中华人民共和国", "name":"王芳"}, "address":"Paris"}]})"_json;
const auto parsed_book = big_json.get<udt::contact_book>();
const auto book_name = big_json["name"].get<udt::name>();
const auto contacts = big_json["contacts"].get<std::vector<udt::contact>>();
const auto contact_json = big_json["contacts"].at(0);
const auto contact = contact_json.get<udt::contact>();
const auto person = contact_json["person"].get<udt::person>();
const auto address = contact_json["address"].get<udt::address>();
const auto age = contact_json["person"]["age"].get<udt::age>();
const auto country = contact_json["person"]["country"].get<udt::country>();
const auto name = contact_json["person"]["name"].get<udt::name>();
CHECK(age == a);
CHECK(name == n);
CHECK(country == c);
CHECK(address == addr);
CHECK(person == sfinae_addict);
CHECK(contact == cpp_programmer);
CHECK(contacts == book.m_contacts);
CHECK(book_name == udt::name{"C++"});
CHECK(book == parsed_book);
}
// a bit narcissic maybe :) ?
const udt::age a
{
23
};
const udt::name n{"theo"};
const udt::country c{udt::country::france};
const udt::person sfinae_addict{a, n, c};
const udt::person senior_programmer{{42}, {u8"王芳"}, udt::country::china};
const udt::address addr{"Paris"};
const udt::contact cpp_programmer{sfinae_addict, addr};
const udt::contact_book book{{"C++"}, {cpp_programmer, {senior_programmer, addr}}};
SECTION("conversion to json via free-functions")
{
CHECK(json(a) == json(23));
CHECK(json(n) == json("theo"));
CHECK(json(c) == json("France"));
CHECK(json(sfinae_addict) == R"({"name":"theo", "age":23, "country":"France"})"_json);
CHECK(json("Paris") == json(addr));
CHECK(json(cpp_programmer) ==
R"({"person" : {"age":23, "name":"theo", "country":"France"}, "address":"Paris"})"_json);
CHECK(
json(book) ==
u8R"({"name":"C++", "contacts" : [{"person" : {"age":23, "name":"theo", "country":"France"}, "address":"Paris"}, {"person" : {"age":42, "country":"中华人民共和国", "name":"王芳"}, "address":"Paris"}]})"_json);
}
SECTION("conversion from json via free-functions")
{
const auto big_json =
u8R"({"name":"C++", "contacts" : [{"person" : {"age":23, "name":"theo", "country":"France"}, "address":"Paris"}, {"person" : {"age":42, "country":"中华人民共和国", "name":"王芳"}, "address":"Paris"}]})"_json;
const auto parsed_book = big_json.get<udt::contact_book>();
const auto book_name = big_json["name"].get<udt::name>();
const auto contacts = big_json["contacts"].get<std::vector<udt::contact>>();
const auto contact_json = big_json["contacts"].at(0);
const auto contact = contact_json.get<udt::contact>();
const auto person = contact_json["person"].get<udt::person>();
const auto address = contact_json["address"].get<udt::address>();
const auto age = contact_json["person"]["age"].get<udt::age>();
const auto country = contact_json["person"]["country"].get<udt::country>();
const auto name = contact_json["person"]["name"].get<udt::name>();
CHECK(age == a);
CHECK(name == n);
CHECK(country == c);
CHECK(address == addr);
CHECK(person == sfinae_addict);
CHECK(contact == cpp_programmer);
CHECK(contacts == book.m_contacts);
CHECK(book_name == udt::name{"C++"});
CHECK(book == parsed_book);
}
}
namespace udt
{
struct legacy_type
{
std::string number;
std::string number;
};
}
......@@ -292,88 +297,96 @@ namespace nlohmann
template <typename T>
struct adl_serializer<std::shared_ptr<T>>
{
static void to_json(json& j, std::shared_ptr<T> const& opt)
{
if (opt)
j = *opt;
else
j = nullptr;
}
static void from_json(json const &j, std::shared_ptr<T> &opt)
{
if (j.is_null())
opt = nullptr;
else
opt.reset(new T(j.get<T>()));
}
static void to_json(json& j, std::shared_ptr<T> const& opt)
{
if (opt)
{
j = *opt;
}
else
{
j = nullptr;
}
}
static void from_json(json const& j, std::shared_ptr<T>& opt)
{
if (j.is_null())
{
opt = nullptr;
}
else
{
opt.reset(new T(j.get<T>()));
}
}
};
template <>
struct adl_serializer<udt::legacy_type>
{
static void to_json(json& j, udt::legacy_type const& l)
{
j = std::stoi(l.number);
}
static void to_json(json& j, udt::legacy_type const& l)
{
j = std::stoi(l.number);
}
static void from_json(json const& j, udt::legacy_type& l)
{
l.number = std::to_string(j.get<int>());
}
static void from_json(json const& j, udt::legacy_type& l)
{
l.number = std::to_string(j.get<int>());
}
};
}
TEST_CASE("adl_serializer specialization", "[udt]")
{
SECTION("partial specialization")
{
SECTION("to_json")
SECTION("partial specialization")
{
std::shared_ptr<udt::person> optPerson;
SECTION("to_json")
{
std::shared_ptr<udt::person> optPerson;
json j = optPerson;
CHECK(j.is_null());
json j = optPerson;
CHECK(j.is_null());
optPerson.reset(new udt::person{{42}, {"John Doe"}});
j = optPerson;
CHECK_FALSE(j.is_null());
optPerson.reset(new udt::person{{42}, {"John Doe"}});
j = optPerson;
CHECK_FALSE(j.is_null());
CHECK(j.get<udt::person>() == *optPerson);
}
CHECK(j.get<udt::person>() == *optPerson);
}
SECTION("from_json")
{
auto person = udt::person{{42}, {"John Doe"}};
json j = person;
SECTION("from_json")
{
auto person = udt::person{{42}, {"John Doe"}};
json j = person;
auto optPerson = j.get<std::shared_ptr<udt::person>>();
REQUIRE(optPerson);
CHECK(*optPerson == person);
auto optPerson = j.get<std::shared_ptr<udt::person>>();
REQUIRE(optPerson);
CHECK(*optPerson == person);
j = nullptr;
optPerson = j.get<std::shared_ptr<udt::person>>();
CHECK(!optPerson);
j = nullptr;
optPerson = j.get<std::shared_ptr<udt::person>>();
CHECK(!optPerson);
}
}
}
SECTION("total specialization")
{
SECTION("to_json")
SECTION("total specialization")
{
udt::legacy_type lt{"4242"};
json j = lt;
CHECK(j.get<int>() == 4242);
SECTION("to_json")
{
udt::legacy_type lt{"4242"};
json j = lt;
CHECK(j.get<int>() == 4242);
}
SECTION("from_json")
{
json j = 4242;
auto lt = j.get<udt::legacy_type>();
CHECK(lt.number == "4242");
}
}
SECTION("from_json")
{
json j = 4242;
auto lt = j.get<udt::legacy_type>();
CHECK(lt.number == "4242");
}
}
}
namespace nlohmann
......@@ -383,22 +396,22 @@ namespace nlohmann
template <typename T>
struct adl_serializer<std::vector<T>>
{
static void to_json(json& j, std::vector<T> const& opt)
{
}
static void to_json(json& j, std::vector<T> const& opt)
{
}
static void from_json(json const &j, std::vector<T> &opt)
{
}
static void from_json(json const& j, std::vector<T>& opt)
{
}
};
}
TEST_CASE("current supported types are preferred over specializations", "[udt]")
{
json j = std::vector<int>{1, 2, 3};
auto f = j.get<std::vector<int>>();
CHECK((f == std::vector<int>{1, 2, 3}));
json j = std::vector<int> {1, 2, 3};
auto f = j.get<std::vector<int>>();
CHECK((f == std::vector<int> {1, 2, 3}));
}
namespace nlohmann
......@@ -406,55 +419,63 @@ namespace nlohmann
template <typename T>
struct adl_serializer<std::unique_ptr<T>>
{
static void to_json(json& j, std::unique_ptr<T> const& opt)
{
if (opt)
j = *opt;
else
j = nullptr;
}
// this is the overload needed for non-copyable types,
// should we add a priority tag in the implementation to prefer this overload if it exists?
static std::unique_ptr<T> from_json(json const &j)
{
if (j.is_null())
return nullptr;
else
return std::unique_ptr<T>(new T(j.get<T>()));
}
static void to_json(json& j, std::unique_ptr<T> const& opt)
{
if (opt)
{
j = *opt;
}
else
{
j = nullptr;
}
}
// this is the overload needed for non-copyable types,
// should we add a priority tag in the implementation to prefer this overload if it exists?
static std::unique_ptr<T> from_json(json const& j)
{
if (j.is_null())
{
return nullptr;
}
else
{
return std::unique_ptr<T>(new T(j.get<T>()));
}
}
};
}
TEST_CASE("Non-copyable types", "[udt]")
{
SECTION("to_json")
{
std::unique_ptr<udt::person> optPerson;
SECTION("to_json")
{
std::unique_ptr<udt::person> optPerson;
json j = optPerson;
CHECK(j.is_null());
json j = optPerson;
CHECK(j.is_null());
optPerson.reset(new udt::person{{42}, {"John Doe"}});
j = optPerson;
CHECK_FALSE(j.is_null());
optPerson.reset(new udt::person{{42}, {"John Doe"}});
j = optPerson;
CHECK_FALSE(j.is_null());
CHECK(j.get<udt::person>() == *optPerson);
}
CHECK(j.get<udt::person>() == *optPerson);
}
SECTION("from_json")
{
auto person = udt::person{{42}, {"John Doe"}};
json j = person;
SECTION("from_json")
{
auto person = udt::person{{42}, {"John Doe"}};
json j = person;
auto optPerson = j.get<std::unique_ptr<udt::person>>();
REQUIRE(optPerson);
CHECK(*optPerson == person);
auto optPerson = j.get<std::unique_ptr<udt::person>>();
REQUIRE(optPerson);
CHECK(*optPerson == person);
j = nullptr;
optPerson = j.get<std::unique_ptr<udt::person>>();
CHECK(!optPerson);
}
j = nullptr;
optPerson = j.get<std::unique_ptr<udt::person>>();
CHECK(!optPerson);
}
}
// custom serializer
......@@ -462,87 +483,89 @@ TEST_CASE("Non-copyable types", "[udt]")
template <typename T, typename = typename std::enable_if<std::is_pod<T>::value>::type>
struct pod_serializer
{
// I could forward-declare this struct, and add a basic_json alias
template <typename Json>
static void from_json(Json const& j , T& t)
{
auto value = j.template get<std::uint64_t>();
auto bytes = static_cast<char*>(static_cast<void*>(&value));
std::memcpy(&t, bytes, sizeof(value));
}
template <typename Json>
static void to_json(Json& j, T const& t)
{
auto bytes = static_cast<char const*>(static_cast<void const*>(&t));
std::uint64_t value = bytes[0];
for (auto i = 1; i < 8; ++i)
value |= bytes[i] << 8 * i;
j = value;
}
// I could forward-declare this struct, and add a basic_json alias
template <typename Json>
static void from_json(Json const& j , T& t)
{
auto value = j.template get<std::uint64_t>();
auto bytes = static_cast<char*>(static_cast<void*>(&value));
std::memcpy(&t, bytes, sizeof(value));
}
template <typename Json>
static void to_json(Json& j, T const& t)
{
auto bytes = static_cast<char const*>(static_cast<void const*>(&t));
std::uint64_t value = bytes[0];
for (auto i = 1; i < 8; ++i)
{
value |= bytes[i] << 8 * i;
}
j = value;
}
};
namespace udt
{
struct small_pod
{
int begin;
char middle;
short end;
int begin;
char middle;
short end;
};
bool operator==(small_pod lhs, small_pod rhs)
{
return std::tie(lhs.begin, lhs.middle, lhs.end) ==
std::tie(lhs.begin, lhs.middle, lhs.end);
return std::tie(lhs.begin, lhs.middle, lhs.end) ==
std::tie(lhs.begin, lhs.middle, lhs.end);
}
}
TEST_CASE("custom serializer for pods", "[udt]")
{
using custom_json = nlohmann::basic_json<std::map, std::vector, std::string, bool, std::int64_t, std::uint64_t, double, std::allocator, pod_serializer>;
using custom_json = nlohmann::basic_json<std::map, std::vector, std::string, bool, std::int64_t, std::uint64_t, double, std::allocator, pod_serializer>;
auto p = udt::small_pod{42, '/', 42};
custom_json j = p;
auto p = udt::small_pod{42, '/', 42};
custom_json j = p;
auto p2 = j.get<udt::small_pod>();
auto p2 = j.get<udt::small_pod>();
CHECK(p == p2);
CHECK(p == p2);
}
template <typename T, typename>
struct another_adl_serializer;
using custom_json = nlohmann::basic_json<std::map, std::vector, std::string, bool, std::int64_t, std::uint64_t, double, std::allocator, another_adl_serializer>;
using custom_json = nlohmann::basic_json<std::map, std::vector, std::string, bool, std::int64_t, std::uint64_t, double, std::allocator, another_adl_serializer>;
template <typename T, typename>
struct another_adl_serializer
{
static void from_json(custom_json const& j , T& t)
{
using nlohmann::from_json;
from_json(j, t);
}
static void to_json(custom_json& j , T const& t)
{
using nlohmann::to_json;
to_json(j, t);
}
static void from_json(custom_json const& j , T& t)
{
using nlohmann::from_json;
from_json(j, t);
}
static void to_json(custom_json& j , T const& t)
{
using nlohmann::to_json;
to_json(j, t);
}
};
TEST_CASE("custom serializer that does adl by default", "[udt]")
{
using json = nlohmann::json;
using json = nlohmann::json;
auto me = udt::person{23, "theo", udt::country::france};
auto me = udt::person{23, "theo", udt::country::france};
json j = me;
custom_json cj = me;
json j = me;
custom_json cj = me;
CHECK(j.dump() == cj.dump());
CHECK(j.dump() == cj.dump());
CHECK(me == j.get<udt::person>());
CHECK(me == cj.get<udt::person>());
CHECK(me == j.get<udt::person>());
CHECK(me == cj.get<udt::person>());
}
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