mirror of
https://github.com/nlohmann/json.git
synced 2024-09-06 20:18:22 +02:00
321 lines
11 KiB
C++
321 lines
11 KiB
C++
/*
|
|
__ _____ _____ _____
|
|
__| | __| | | | JSON for Modern C++ (test suite)
|
|
| | |__ | | | | | | version 3.6.1
|
|
|_____|_____|_____|_|___| https://github.com/nlohmann/json
|
|
|
|
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
|
|
SPDX-License-Identifier: MIT
|
|
Copyright (c) 2013-2019 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 "doctest_compatibility.h"
|
|
|
|
#include <nlohmann/json.hpp>
|
|
using nlohmann::json;
|
|
|
|
TEST_CASE("algorithms")
|
|
{
|
|
json j_array = {13, 29, 3, {{"one", 1}, {"two", 2}}, true, false, {1, 2, 3}, "foo", "baz"};
|
|
json j_object = {{"one", 1}, {"two", 2}};
|
|
|
|
SECTION("non-modifying sequence operations")
|
|
{
|
|
SECTION("std::all_of")
|
|
{
|
|
CHECK(std::all_of(j_array.begin(), j_array.end(), [](const json & value)
|
|
{
|
|
return value.size() > 0;
|
|
}));
|
|
CHECK(std::all_of(j_object.begin(), j_object.end(), [](const json & value)
|
|
{
|
|
return value.type() == json::value_t::number_integer;
|
|
}));
|
|
}
|
|
|
|
SECTION("std::any_of")
|
|
{
|
|
CHECK(std::any_of(j_array.begin(), j_array.end(), [](const json & value)
|
|
{
|
|
return value.is_string() and value.get<std::string>() == "foo";
|
|
}));
|
|
CHECK(std::any_of(j_object.begin(), j_object.end(), [](const json & value)
|
|
{
|
|
return value.get<int>() > 1;
|
|
}));
|
|
}
|
|
|
|
SECTION("std::none_of")
|
|
{
|
|
CHECK(std::none_of(j_array.begin(), j_array.end(), [](const json & value)
|
|
{
|
|
return value.size() == 0;
|
|
}));
|
|
CHECK(std::none_of(j_object.begin(), j_object.end(), [](const json & value)
|
|
{
|
|
return value.get<int>() <= 0;
|
|
}));
|
|
}
|
|
|
|
SECTION("std::for_each")
|
|
{
|
|
SECTION("reading")
|
|
{
|
|
int sum = 0;
|
|
|
|
std::for_each(j_array.cbegin(), j_array.cend(), [&sum](const json & value)
|
|
{
|
|
if (value.is_number())
|
|
{
|
|
sum += static_cast<int>(value);
|
|
}
|
|
});
|
|
|
|
CHECK(sum == 45);
|
|
}
|
|
|
|
SECTION("writing")
|
|
{
|
|
auto add17 = [](json & value)
|
|
{
|
|
if (value.is_array())
|
|
{
|
|
value.push_back(17);
|
|
}
|
|
};
|
|
|
|
std::for_each(j_array.begin(), j_array.end(), add17);
|
|
|
|
CHECK(j_array[6] == json({1, 2, 3, 17}));
|
|
}
|
|
}
|
|
|
|
SECTION("std::count")
|
|
{
|
|
CHECK(std::count(j_array.begin(), j_array.end(), json(true)) == 1);
|
|
}
|
|
|
|
SECTION("std::count_if")
|
|
{
|
|
CHECK(std::count_if(j_array.begin(), j_array.end(), [](const json & value)
|
|
{
|
|
return (value.is_number());
|
|
}) == 3);
|
|
CHECK(std::count_if(j_array.begin(), j_array.end(), [](const json&)
|
|
{
|
|
return true;
|
|
}) == 9);
|
|
}
|
|
|
|
SECTION("std::mismatch")
|
|
{
|
|
json j_array2 = {13, 29, 3, {{"one", 1}, {"two", 2}, {"three", 3}}, true, false, {1, 2, 3}, "foo", "baz"};
|
|
auto res = std::mismatch(j_array.begin(), j_array.end(), j_array2.begin());
|
|
CHECK(*res.first == json({{"one", 1}, {"two", 2}}));
|
|
CHECK(*res.second == json({{"one", 1}, {"two", 2}, {"three", 3}}));
|
|
}
|
|
|
|
SECTION("std::equal")
|
|
{
|
|
SECTION("using operator==")
|
|
{
|
|
CHECK(std::equal(j_array.begin(), j_array.end(), j_array.begin()));
|
|
CHECK(std::equal(j_object.begin(), j_object.end(), j_object.begin()));
|
|
CHECK(not std::equal(j_array.begin(), j_array.end(), j_object.begin()));
|
|
}
|
|
|
|
SECTION("using user-defined comparison")
|
|
{
|
|
// compare objects only by size of its elements
|
|
json j_array2 = {13, 29, 3, {"Hello", "World"}, true, false, {{"one", 1}, {"two", 2}, {"three", 3}}, "foo", "baz"};
|
|
CHECK(not std::equal(j_array.begin(), j_array.end(), j_array2.begin()));
|
|
CHECK(std::equal(j_array.begin(), j_array.end(), j_array2.begin(),
|
|
[](const json & a, const json & b)
|
|
{
|
|
return (a.size() == b.size());
|
|
}));
|
|
}
|
|
}
|
|
|
|
SECTION("std::find")
|
|
{
|
|
auto it = std::find(j_array.begin(), j_array.end(), json(false));
|
|
CHECK(std::distance(j_array.begin(), it) == 5);
|
|
}
|
|
|
|
SECTION("std::find_if")
|
|
{
|
|
auto it = std::find_if(j_array.begin(), j_array.end(),
|
|
[](const json & value)
|
|
{
|
|
return value.is_boolean();
|
|
});
|
|
CHECK(std::distance(j_array.begin(), it) == 4);
|
|
}
|
|
|
|
SECTION("std::find_if_not")
|
|
{
|
|
auto it = std::find_if_not(j_array.begin(), j_array.end(),
|
|
[](const json & value)
|
|
{
|
|
return value.is_number();
|
|
});
|
|
CHECK(std::distance(j_array.begin(), it) == 3);
|
|
}
|
|
|
|
SECTION("std::adjacent_find")
|
|
{
|
|
CHECK(std::adjacent_find(j_array.begin(), j_array.end()) == j_array.end());
|
|
CHECK(std::adjacent_find(j_array.begin(), j_array.end(),
|
|
[](const json & v1, const json & v2)
|
|
{
|
|
return v1.type() == v2.type();
|
|
}) == j_array.begin());
|
|
}
|
|
}
|
|
|
|
SECTION("modifying sequence operations")
|
|
{
|
|
SECTION("std::reverse")
|
|
{
|
|
std::reverse(j_array.begin(), j_array.end());
|
|
CHECK(j_array == json({"baz", "foo", {1, 2, 3}, false, true, {{"one", 1}, {"two", 2}}, 3, 29, 13}));
|
|
}
|
|
|
|
SECTION("std::rotate")
|
|
{
|
|
std::rotate(j_array.begin(), j_array.begin() + 1, j_array.end());
|
|
CHECK(j_array == json({29, 3, {{"one", 1}, {"two", 2}}, true, false, {1, 2, 3}, "foo", "baz", 13}));
|
|
}
|
|
|
|
SECTION("std::partition")
|
|
{
|
|
auto it = std::partition(j_array.begin(), j_array.end(), [](const json & v)
|
|
{
|
|
return v.is_string();
|
|
});
|
|
CHECK(std::distance(j_array.begin(), it) == 2);
|
|
CHECK(not it[2].is_string());
|
|
}
|
|
}
|
|
|
|
SECTION("sorting operations")
|
|
{
|
|
SECTION("std::sort")
|
|
{
|
|
SECTION("with standard comparison")
|
|
{
|
|
json j = {13, 29, 3, {{"one", 1}, {"two", 2}}, true, false, {1, 2, 3}, "foo", "baz", nullptr};
|
|
std::sort(j.begin(), j.end());
|
|
CHECK(j == json({nullptr, false, true, 3, 13, 29, {{"one", 1}, {"two", 2}}, {1, 2, 3}, "baz", "foo"}));
|
|
}
|
|
|
|
SECTION("with user-defined comparison")
|
|
{
|
|
json j = {3, {{"one", 1}, {"two", 2}}, {1, 2, 3}, nullptr};
|
|
std::sort(j.begin(), j.end(), [](const json & a, const json & b)
|
|
{
|
|
return a.size() < b.size();
|
|
});
|
|
CHECK(j == json({nullptr, 3, {{"one", 1}, {"two", 2}}, {1, 2, 3}}));
|
|
}
|
|
|
|
SECTION("sorting an object")
|
|
{
|
|
json j({{"one", 1}, {"two", 2}});
|
|
CHECK_THROWS_AS(std::sort(j.begin(), j.end()), json::invalid_iterator&);
|
|
CHECK_THROWS_WITH(std::sort(j.begin(), j.end()),
|
|
"[json.exception.invalid_iterator.209] cannot use offsets with object iterators");
|
|
}
|
|
}
|
|
|
|
SECTION("std::partial_sort")
|
|
{
|
|
json j = {13, 29, 3, {{"one", 1}, {"two", 2}}, true, false, {1, 2, 3}, "foo", "baz", nullptr};
|
|
std::partial_sort(j.begin(), j.begin() + 4, j.end());
|
|
CHECK(j == json({nullptr, false, true, 3, {{"one", 1}, {"two", 2}}, 29, {1, 2, 3}, "foo", "baz", 13}));
|
|
}
|
|
}
|
|
|
|
SECTION("set operations")
|
|
{
|
|
SECTION("std::merge")
|
|
{
|
|
{
|
|
json j1 = {2, 4, 6, 8};
|
|
json j2 = {1, 2, 3, 5, 7};
|
|
json j3;
|
|
|
|
std::merge(j1.begin(), j1.end(), j2.begin(), j2.end(), std::back_inserter(j3));
|
|
CHECK(j3 == json({1, 2, 2, 3, 4, 5, 6, 7, 8}));
|
|
}
|
|
}
|
|
|
|
SECTION("std::set_difference")
|
|
{
|
|
json j1 = {1, 2, 3, 4, 5, 6, 7, 8};
|
|
json j2 = {1, 2, 3, 5, 7};
|
|
json j3;
|
|
|
|
std::set_difference(j1.begin(), j1.end(), j2.begin(), j2.end(), std::back_inserter(j3));
|
|
CHECK(j3 == json({4, 6, 8}));
|
|
}
|
|
|
|
SECTION("std::set_intersection")
|
|
{
|
|
json j1 = {1, 2, 3, 4, 5, 6, 7, 8};
|
|
json j2 = {1, 2, 3, 5, 7};
|
|
json j3;
|
|
|
|
std::set_intersection(j1.begin(), j1.end(), j2.begin(), j2.end(), std::back_inserter(j3));
|
|
CHECK(j3 == json({1, 2, 3, 5, 7}));
|
|
}
|
|
|
|
SECTION("std::set_union")
|
|
{
|
|
json j1 = {2, 4, 6, 8};
|
|
json j2 = {1, 2, 3, 5, 7};
|
|
json j3;
|
|
|
|
std::set_union(j1.begin(), j1.end(), j2.begin(), j2.end(), std::back_inserter(j3));
|
|
CHECK(j3 == json({1, 2, 3, 4, 5, 6, 7, 8}));
|
|
}
|
|
|
|
SECTION("std::set_symmetric_difference")
|
|
{
|
|
json j1 = {2, 4, 6, 8};
|
|
json j2 = {1, 2, 3, 5, 7};
|
|
json j3;
|
|
|
|
std::set_symmetric_difference(j1.begin(), j1.end(), j2.begin(), j2.end(), std::back_inserter(j3));
|
|
CHECK(j3 == json({1, 3, 4, 5, 6, 7, 8}));
|
|
}
|
|
}
|
|
|
|
SECTION("heap operations")
|
|
{
|
|
std::make_heap(j_array.begin(), j_array.end());
|
|
CHECK(std::is_heap(j_array.begin(), j_array.end()));
|
|
std::sort_heap(j_array.begin(), j_array.end());
|
|
CHECK(j_array == json({false, true, 3, 13, 29, {{"one", 1}, {"two", 2}}, {1, 2, 3}, "baz", "foo"}));
|
|
}
|
|
}
|