json/test/src/unit-capacity.cpp
2018-03-14 21:09:27 +01:00

562 lines
17 KiB
C++

/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 3.1.2
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
Copyright (c) 2013-2018 Niels Lohmann <http://nlohmann.me>.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "catch.hpp"
#include <nlohmann/json.hpp>
using nlohmann::json;
TEST_CASE("capacity")
{
SECTION("empty()")
{
SECTION("boolean")
{
json j = true;
const json j_const(j);
SECTION("result of empty")
{
CHECK(j.empty() == false);
CHECK(j_const.empty() == false);
}
SECTION("definition of empty")
{
CHECK(j.empty() == (j.begin() == j.end()));
CHECK(j_const.empty() == (j_const.begin() == j_const.end()));
}
}
SECTION("string")
{
json j = "hello world";
const json j_const(j);
SECTION("result of empty")
{
CHECK(j.empty() == false);
CHECK(j_const.empty() == false);
}
SECTION("definition of empty")
{
CHECK(j.empty() == (j.begin() == j.end()));
CHECK(j_const.empty() == (j_const.begin() == j_const.end()));
}
}
SECTION("array")
{
SECTION("empty array")
{
json j = json::array();
const json j_const(j);
SECTION("result of empty")
{
CHECK(j.empty() == true);
CHECK(j_const.empty() == true);
}
SECTION("definition of empty")
{
CHECK(j.empty() == (j.begin() == j.end()));
CHECK(j_const.empty() == (j_const.begin() == j_const.end()));
}
}
SECTION("filled array")
{
json j = {1, 2, 3};
const json j_const(j);
SECTION("result of empty")
{
CHECK(j.empty() == false);
CHECK(j_const.empty() == false);
}
SECTION("definition of empty")
{
CHECK(j.empty() == (j.begin() == j.end()));
CHECK(j_const.empty() == (j_const.begin() == j_const.end()));
}
}
}
SECTION("object")
{
SECTION("empty object")
{
json j = json::object();
const json j_const(j);
SECTION("result of empty")
{
CHECK(j.empty() == true);
CHECK(j_const.empty() == true);
}
SECTION("definition of empty")
{
CHECK(j.empty() == (j.begin() == j.end()));
CHECK(j_const.empty() == (j_const.begin() == j_const.end()));
}
}
SECTION("filled object")
{
json j = {{"one", 1}, {"two", 2}, {"three", 3}};
const json j_const(j);
SECTION("result of empty")
{
CHECK(j.empty() == false);
CHECK(j_const.empty() == false);
}
SECTION("definition of empty")
{
CHECK(j.empty() == (j.begin() == j.end()));
CHECK(j_const.empty() == (j_const.begin() == j_const.end()));
}
}
}
SECTION("number (integer)")
{
json j = -23;
const json j_const(j);
SECTION("result of empty")
{
CHECK(j.empty() == false);
CHECK(j_const.empty() == false);
}
SECTION("definition of empty")
{
CHECK(j.empty() == (j.begin() == j.end()));
CHECK(j_const.empty() == (j_const.begin() == j_const.end()));
}
}
SECTION("number (unsigned)")
{
json j = 23u;
const json j_const(j);
SECTION("result of empty")
{
CHECK(j.empty() == false);
CHECK(j_const.empty() == false);
}
SECTION("definition of empty")
{
CHECK(j.empty() == (j.begin() == j.end()));
CHECK(j_const.empty() == (j_const.begin() == j_const.end()));
}
}
SECTION("number (float)")
{
json j = 23.42;
const json j_const(j);
SECTION("result of empty")
{
CHECK(j.empty() == false);
CHECK(j_const.empty() == false);
}
SECTION("definition of empty")
{
CHECK(j.empty() == (j.begin() == j.end()));
CHECK(j_const.empty() == (j_const.begin() == j_const.end()));
}
}
SECTION("null")
{
json j = nullptr;
const json j_const(j);
SECTION("result of empty")
{
CHECK(j.empty() == true);
CHECK(j_const.empty() == true);
}
SECTION("definition of empty")
{
CHECK(j.empty() == (j.begin() == j.end()));
CHECK(j_const.empty() == (j_const.begin() == j_const.end()));
}
}
}
SECTION("size()")
{
SECTION("boolean")
{
json j = true;
const json j_const(j);
SECTION("result of size")
{
CHECK(j.size() == 1);
CHECK(j_const.size() == 1);
}
SECTION("definition of size")
{
CHECK(std::distance(j.begin(), j.end()) == j.size());
CHECK(std::distance(j_const.begin(), j_const.end()) == j_const.size());
CHECK(std::distance(j.rbegin(), j.rend()) == j.size());
CHECK(std::distance(j_const.crbegin(), j_const.crend()) == j_const.size());
}
}
SECTION("string")
{
json j = "hello world";
const json j_const(j);
SECTION("result of size")
{
CHECK(j.size() == 1);
CHECK(j_const.size() == 1);
}
SECTION("definition of size")
{
CHECK(std::distance(j.begin(), j.end()) == j.size());
CHECK(std::distance(j_const.begin(), j_const.end()) == j_const.size());
CHECK(std::distance(j.rbegin(), j.rend()) == j.size());
CHECK(std::distance(j_const.crbegin(), j_const.crend()) == j_const.size());
}
}
SECTION("array")
{
SECTION("empty array")
{
json j = json::array();
const json j_const(j);
SECTION("result of size")
{
CHECK(j.size() == 0);
CHECK(j_const.size() == 0);
}
SECTION("definition of size")
{
CHECK(std::distance(j.begin(), j.end()) == j.size());
CHECK(std::distance(j_const.begin(), j_const.end()) == j_const.size());
CHECK(std::distance(j.rbegin(), j.rend()) == j.size());
CHECK(std::distance(j_const.crbegin(), j_const.crend()) == j_const.size());
}
}
SECTION("filled array")
{
json j = {1, 2, 3};
const json j_const(j);
SECTION("result of size")
{
CHECK(j.size() == 3);
CHECK(j_const.size() == 3);
}
SECTION("definition of size")
{
CHECK(std::distance(j.begin(), j.end()) == j.size());
CHECK(std::distance(j_const.begin(), j_const.end()) == j_const.size());
CHECK(std::distance(j.rbegin(), j.rend()) == j.size());
CHECK(std::distance(j_const.crbegin(), j_const.crend()) == j_const.size());
}
}
}
SECTION("object")
{
SECTION("empty object")
{
json j = json::object();
const json j_const(j);
SECTION("result of size")
{
CHECK(j.size() == 0);
CHECK(j_const.size() == 0);
}
SECTION("definition of size")
{
CHECK(std::distance(j.begin(), j.end()) == j.size());
CHECK(std::distance(j_const.begin(), j_const.end()) == j_const.size());
CHECK(std::distance(j.rbegin(), j.rend()) == j.size());
CHECK(std::distance(j_const.crbegin(), j_const.crend()) == j_const.size());
}
}
SECTION("filled object")
{
json j = {{"one", 1}, {"two", 2}, {"three", 3}};
const json j_const(j);
SECTION("result of size")
{
CHECK(j.size() == 3);
CHECK(j_const.size() == 3);
}
SECTION("definition of size")
{
CHECK(std::distance(j.begin(), j.end()) == j.size());
CHECK(std::distance(j_const.begin(), j_const.end()) == j_const.size());
CHECK(std::distance(j.rbegin(), j.rend()) == j.size());
CHECK(std::distance(j_const.crbegin(), j_const.crend()) == j_const.size());
}
}
}
SECTION("number (integer)")
{
json j = -23;
const json j_const(j);
SECTION("result of size")
{
CHECK(j.size() == 1);
CHECK(j_const.size() == 1);
}
SECTION("definition of size")
{
CHECK(std::distance(j.begin(), j.end()) == j.size());
CHECK(std::distance(j_const.begin(), j_const.end()) == j_const.size());
CHECK(std::distance(j.rbegin(), j.rend()) == j.size());
CHECK(std::distance(j_const.crbegin(), j_const.crend()) == j_const.size());
}
}
SECTION("number (unsigned)")
{
json j = 23u;
const json j_const(j);
SECTION("result of size")
{
CHECK(j.size() == 1);
CHECK(j_const.size() == 1);
}
SECTION("definition of size")
{
CHECK(std::distance(j.begin(), j.end()) == j.size());
CHECK(std::distance(j_const.begin(), j_const.end()) == j_const.size());
CHECK(std::distance(j.rbegin(), j.rend()) == j.size());
CHECK(std::distance(j_const.crbegin(), j_const.crend()) == j_const.size());
}
}
SECTION("number (float)")
{
json j = 23.42;
const json j_const(j);
SECTION("result of size")
{
CHECK(j.size() == 1);
CHECK(j_const.size() == 1);
}
SECTION("definition of size")
{
CHECK(std::distance(j.begin(), j.end()) == j.size());
CHECK(std::distance(j_const.begin(), j_const.end()) == j_const.size());
CHECK(std::distance(j.rbegin(), j.rend()) == j.size());
CHECK(std::distance(j_const.crbegin(), j_const.crend()) == j_const.size());
}
}
SECTION("null")
{
json j = nullptr;
const json j_const(j);
SECTION("result of size")
{
CHECK(j.size() == 0);
CHECK(j_const.size() == 0);
}
SECTION("definition of size")
{
CHECK(std::distance(j.begin(), j.end()) == j.size());
CHECK(std::distance(j_const.begin(), j_const.end()) == j_const.size());
CHECK(std::distance(j.rbegin(), j.rend()) == j.size());
CHECK(std::distance(j_const.crbegin(), j_const.crend()) == j_const.size());
}
}
}
SECTION("max_size()")
{
SECTION("boolean")
{
json j = true;
const json j_const(j);
SECTION("result of max_size")
{
CHECK(j.max_size() == 1);
CHECK(j_const.max_size() == 1);
}
}
SECTION("string")
{
json j = "hello world";
const json j_const(j);
SECTION("result of max_size")
{
CHECK(j.max_size() == 1);
CHECK(j_const.max_size() == 1);
}
}
SECTION("array")
{
SECTION("empty array")
{
json j = json::array();
const json j_const(j);
SECTION("result of max_size")
{
CHECK(j.max_size() >= j.size());
CHECK(j_const.max_size() >= j_const.size());
}
}
SECTION("filled array")
{
json j = {1, 2, 3};
const json j_const(j);
SECTION("result of max_size")
{
CHECK(j.max_size() >= j.size());
CHECK(j_const.max_size() >= j_const.size());
}
}
}
SECTION("object")
{
SECTION("empty object")
{
json j = json::object();
const json j_const(j);
SECTION("result of max_size")
{
CHECK(j.max_size() >= j.size());
CHECK(j_const.max_size() >= j_const.size());
}
}
SECTION("filled object")
{
json j = {{"one", 1}, {"two", 2}, {"three", 3}};
const json j_const(j);
SECTION("result of max_size")
{
CHECK(j.max_size() >= j.size());
CHECK(j_const.max_size() >= j_const.size());
}
}
}
SECTION("number (integer)")
{
json j = -23;
const json j_const(j);
SECTION("result of max_size")
{
CHECK(j.max_size() == 1);
CHECK(j_const.max_size() == 1);
}
}
SECTION("number (unsigned)")
{
json j = 23u;
const json j_const(j);
SECTION("result of max_size")
{
CHECK(j.max_size() == 1);
CHECK(j_const.max_size() == 1);
}
}
SECTION("number (float)")
{
json j = 23.42;
const json j_const(j);
SECTION("result of max_size")
{
CHECK(j.max_size() == 1);
CHECK(j_const.max_size() == 1);
}
}
SECTION("null")
{
json j = nullptr;
const json j_const(j);
SECTION("result of max_size")
{
CHECK(j.max_size() == 0);
CHECK(j_const.max_size() == 0);
}
}
}
}