rewrite unit-udt: basic usage

This commit is contained in:
Théo Delrieu 2016-11-30 23:16:54 +01:00 committed by Théo DELRIEU
parent 60e6f822fa
commit c0c72b5b62
4 changed files with 290 additions and 76 deletions

View file

@ -220,20 +220,20 @@ TEST_CASE("const_iterator class")
{
json j(json::value_t::null);
json::const_iterator it = j.cbegin();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
it++;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("number")
{
json j(17);
json::const_iterator it = j.cbegin();
CHECK(it.m_it.primitive_iterator == 0);
CHECK(it.m_it.primitive_iterator.m_it == 0);
it++;
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
it++;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("object")
@ -271,20 +271,20 @@ TEST_CASE("const_iterator class")
{
json j(json::value_t::null);
json::const_iterator it = j.cbegin();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
++it;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("number")
{
json j(17);
json::const_iterator it = j.cbegin();
CHECK(it.m_it.primitive_iterator == 0);
CHECK(it.m_it.primitive_iterator.m_it == 0);
++it;
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
++it;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("object")
@ -322,18 +322,18 @@ TEST_CASE("const_iterator class")
{
json j(json::value_t::null);
json::const_iterator it = j.cend();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
}
SECTION("number")
{
json j(17);
json::const_iterator it = j.cend();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
it--;
CHECK(it.m_it.primitive_iterator == 0);
CHECK(it.m_it.primitive_iterator.m_it == 0);
it--;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("object")
@ -371,18 +371,18 @@ TEST_CASE("const_iterator class")
{
json j(json::value_t::null);
json::const_iterator it = j.cend();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
}
SECTION("number")
{
json j(17);
json::const_iterator it = j.cend();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
--it;
CHECK(it.m_it.primitive_iterator == 0);
CHECK(it.m_it.primitive_iterator.m_it == 0);
--it;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("object")

View file

@ -204,20 +204,20 @@ TEST_CASE("iterator class")
{
json j(json::value_t::null);
json::iterator it = j.begin();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
it++;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("number")
{
json j(17);
json::iterator it = j.begin();
CHECK(it.m_it.primitive_iterator == 0);
CHECK(it.m_it.primitive_iterator.m_it == 0);
it++;
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
it++;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("object")
@ -255,20 +255,20 @@ TEST_CASE("iterator class")
{
json j(json::value_t::null);
json::iterator it = j.begin();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
++it;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("number")
{
json j(17);
json::iterator it = j.begin();
CHECK(it.m_it.primitive_iterator == 0);
CHECK(it.m_it.primitive_iterator.m_it == 0);
++it;
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
++it;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("object")
@ -306,18 +306,18 @@ TEST_CASE("iterator class")
{
json j(json::value_t::null);
json::iterator it = j.end();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
}
SECTION("number")
{
json j(17);
json::iterator it = j.end();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
it--;
CHECK(it.m_it.primitive_iterator == 0);
CHECK(it.m_it.primitive_iterator.m_it == 0);
it--;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("object")
@ -355,18 +355,18 @@ TEST_CASE("iterator class")
{
json j(json::value_t::null);
json::iterator it = j.end();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
}
SECTION("number")
{
json j(17);
json::iterator it = j.end();
CHECK(it.m_it.primitive_iterator == 1);
CHECK(it.m_it.primitive_iterator.m_it == 1);
--it;
CHECK(it.m_it.primitive_iterator == 0);
CHECK(it.m_it.primitive_iterator.m_it == 0);
--it;
CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1));
CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
}
SECTION("object")

View file

@ -37,35 +37,35 @@ namespace udt
{
struct age
{
int val;
int m_val;
};
struct name
{
std::string val;
std::string m_val;
};
struct address
{
std::string val;
std::string m_val;
};
struct person
{
age age;
name name;
age m_age;
name m_name;
};
struct contact
{
person person;
address address;
person m_person;
address m_address;
};
struct contact_book
{
name book_name;
std::vector<contact> contacts;
name m_book_name;
std::vector<contact> m_contacts;
};
}
@ -74,39 +74,105 @@ namespace udt
{
void to_json(nlohmann::json& j, age a)
{
j = a.val;
j = a.m_val;
}
void to_json(nlohmann::json& j, name const& n)
{
j = n.val;
j = n.m_val;
}
void to_json(nlohmann::json& j, person const& p)
{
using nlohmann::json;
j = json{{"age", json{p.age}}, {"name", json{p.name}}};
// this unfortunately does not compile ...
// j["age"] = p.age;
// j["name"] = p.name;
j = json{{"age", json{p.m_age}}, {"name", json{p.m_name}}};
}
void to_json(nlohmann::json& j, address const& a)
{
j = a.val;
j = a.m_val;
}
void to_json(nlohmann::json& j, contact const& c)
{
using nlohmann::json;
j = json{{"person", json{c.person}}, {"address", json{c.address}}};
j = json{{"person", json{c.m_person}}, {"address", json{c.m_address}}};
}
void to_json(nlohmann::json& j, contact_book const& cb)
{
using nlohmann::json;
j = json{{"name", json{cb.book_name}}, {"contacts", cb.contacts}};
j = json{{"name", json{cb.m_book_name}}, {"contacts", cb.m_contacts}};
}
// operators
bool operator==(age lhs, age rhs)
{
return lhs.m_val == rhs.m_val;
}
bool operator==(address const &lhs, address const &rhs)
{
return lhs.m_val == rhs.m_val;
}
bool operator==(name const &lhs, name const &rhs)
{
return lhs.m_val == rhs.m_val;
}
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)
{
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)
{
return std::tie(lhs.m_book_name, lhs.m_contacts) ==
std::tie(rhs.m_book_name, rhs.m_contacts);
}
}
// from_json methods for default basic_json
namespace udt
{
void from_json(nlohmann::json const& j, age &a)
{
a.m_val = j.get<int>();
}
void from_json(nlohmann::json const& j, name &n)
{
n.m_val = j.get<std::string>();
}
void from_json(nlohmann::json const& j, person &p)
{
p.m_age = j["age"].get<age>();
p.m_name = j["name"].get<name>();
}
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)
{
c.m_person = j["person"].get<person>();
c.m_address = j["address"].get<address>();
}
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>>();
}
}
@ -114,17 +180,49 @@ TEST_CASE("basic usage", "[udt]")
{
using nlohmann::json;
// a bit narcissic maybe :) ?
const udt::age a{23};
const udt::name n{"theo"};
const udt::person sfinae_addict{a, n};
const udt::address addr{"Paris"};
const udt::contact cpp_programmer{sfinae_addict, addr};
const udt::contact_book book{{"C++"}, {cpp_programmer, cpp_programmer}};
SECTION("conversion to json via free-functions")
{
udt::age a{23};
CHECK(json{a} == json{23});
// a bit narcissic maybe :) ?
udt::name n{"theo"};
CHECK(json{n} == json{"theo"});
udt::person sfinae_addict{a, n};
CHECK(json{a} == json(23));
CHECK(json{n} == json("theo"));
CHECK(json{sfinae_addict} == R"({"name":"theo", "age":23})"_json);
CHECK(json("Paris") == json{addr});
CHECK(json{cpp_programmer} ==
R"({"person" : {"age":23, "name":"theo"}, "address":"Paris"})"_json);
CHECK(
json{book} ==
R"({"name":"C++", "contacts" : [{"person" : {"age":23, "name":"theo"}, "address":"Paris"}, {"person" : {"age":23, "name":"theo"}, "address":"Paris"}]})"_json);
}
}
SECTION("conversion from json via free-functions")
{
const auto big_json =
R"({"name":"C++", "contacts" : [{"person" : {"age":23, "name":"theo"}, "address":"Paris"}, {"person" : {"age":23, "name":"theo"}, "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 name = contact_json["person"]["name"].get<udt::name>();
CHECK(age == a);
CHECK(name == n);
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);
}
}