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nlohmannjson/test/src/unit-capacity.cpp
Niels Lohmann 27c65b860b
🔖 version 2.1.1
2017-02-25 16:34:38 +01:00

563 lines
16 KiB
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/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.1.1
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
Copyright (c) 2013-2017 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 "json.hpp"
using nlohmann::json;
TEST_CASE("capacity")
{
SECTION("empty()")
{
SECTION("boolean")
{
json j = true;
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";
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();
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};
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();
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}};
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;
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;
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;
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;
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;
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";
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();
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};
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();
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}};
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;
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;
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;
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;
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;
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";
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();
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};
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();
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}};
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;
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;
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;
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;
json j_const(j);
SECTION("result of max_size")
{
CHECK(j.max_size() == 0);
CHECK(j_const.max_size() == 0);
}
}
}
}
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