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Reorganize directories (#3462)
* 🚚 move files * 🚚 rename doc folder to docs * 🚚 rename test folder to tests
This commit is contained in:
Niels Lohmann
GitHub
278
tests/src/unit-comparison.cpp
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278
tests/src/unit-comparison.cpp
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/*
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__ _____ _____ _____
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__| | __| | | | JSON for Modern C++ (test suite)
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| | |__ | | | | | | version 3.10.5
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|_____|_____|_____|_|___| https://github.com/nlohmann/json
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Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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SPDX-License-Identifier: MIT
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Copyright (c) 2013-2022 Niels Lohmann <http://nlohmann.me>.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "doctest_compatibility.h"
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#include <nlohmann/json.hpp>
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using nlohmann::json;
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namespace
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{
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// helper function to check std::less<json::value_t>
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// see https://en.cppreference.com/w/cpp/utility/functional/less
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template <typename A, typename B, typename U = std::less<json::value_t>>
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bool f(A a, B b, U u = U())
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{
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return u(a, b);
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}
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} // namespace
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TEST_CASE("lexicographical comparison operators")
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{
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SECTION("types")
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{
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std::vector<json::value_t> j_types =
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{
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json::value_t::null,
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json::value_t::boolean,
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json::value_t::number_integer,
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json::value_t::number_unsigned,
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json::value_t::number_float,
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json::value_t::object,
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json::value_t::array,
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json::value_t::string,
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json::value_t::binary
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};
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SECTION("comparison: less")
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{
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std::vector<std::vector<bool>> expected =
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{
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{false, true, true, true, true, true, true, true, true},
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{false, false, true, true, true, true, true, true, true},
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{false, false, false, false, false, true, true, true, true},
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{false, false, false, false, false, true, true, true, true},
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{false, false, false, false, false, true, true, true, true},
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{false, false, false, false, false, false, true, true, true},
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{false, false, false, false, false, false, false, true, true},
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{false, false, false, false, false, false, false, false, true},
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{false, false, false, false, false, false, false, false, false}
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};
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for (size_t i = 0; i < j_types.size(); ++i)
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{
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for (size_t j = 0; j < j_types.size(); ++j)
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{
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CAPTURE(i)
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CAPTURE(j)
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// check precomputed values
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CHECK(operator<(j_types[i], j_types[j]) == expected[i][j]);
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CHECK(f(j_types[i], j_types[j]) == expected[i][j]);
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}
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}
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}
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}
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SECTION("values")
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{
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json j_values =
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{
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nullptr, nullptr,
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-17, 42,
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8u, 13u,
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3.14159, 23.42,
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"foo", "bar",
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true, false,
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{1, 2, 3}, {"one", "two", "three"},
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{{"first", 1}, {"second", 2}}, {{"a", "A"}, {"b", {"B"}}},
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json::binary({1, 2, 3}), json::binary({1, 2, 4})
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};
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SECTION("comparison: equal")
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{
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std::vector<std::vector<bool>> expected =
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{
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{true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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{true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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{false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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{false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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{false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false},
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{false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false},
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{false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true}
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};
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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CAPTURE(i)
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CAPTURE(j)
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CAPTURE(j_values[i])
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CAPTURE(j_values[j])
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// check precomputed values
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CHECK( (j_values[i] == j_values[j]) == expected[i][j] );
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}
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}
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// comparison with discarded elements
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json j_discarded(json::value_t::discarded);
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for (const auto& v : j_values)
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{
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CHECK( (v == j_discarded) == false);
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CHECK( (j_discarded == v) == false);
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CHECK( (j_discarded == j_discarded) == false);
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}
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// compare with null pointer
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json j_null;
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CHECK(j_null == nullptr);
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CHECK(nullptr == j_null);
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}
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SECTION("comparison: not equal")
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{
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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CAPTURE(i)
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CAPTURE(j)
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// check definition
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CHECK( (j_values[i] != j_values[j]) == !(j_values[i] == j_values[j]) );
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}
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}
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// compare with null pointer
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json j_null;
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CHECK( (j_null != nullptr) == false);
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CHECK( (nullptr != j_null) == false);
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CHECK( (j_null != nullptr) == !(j_null == nullptr));
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CHECK( (nullptr != j_null) == !(nullptr == j_null));
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}
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SECTION("comparison: less")
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{
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std::vector<std::vector<bool>> expected =
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{
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{false, false, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true},
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{false, false, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true},
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{false, false, false, true, true, true, true, true, true, true, false, false, true, true, true, true, true, true},
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{false, false, false, false, false, false, false, false, true, true, false, false, true, true, true, true, true, true},
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{false, false, false, true, false, true, false, true, true, true, false, false, true, true, true, true, true, true},
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{false, false, false, true, false, false, false, true, true, true, false, false, true, true, true, true, true, true},
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{false, false, false, true, true, true, false, true, true, true, false, false, true, true, true, true, true, true},
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{false, false, false, true, false, false, false, false, true, true, false, false, true, true, true, true, true, true},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, true},
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{false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, true},
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{false, false, true, true, true, true, true, true, true, true, false, false, true, true, true, true, true, true},
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{false, false, true, true, true, true, true, true, true, true, true, false, true, true, true, true, true, true},
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{false, false, false, false, false, false, false, false, true, true, false, false, false, true, false, false, true, true},
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{false, false, false, false, false, false, false, false, true, true, false, false, false, false, false, false, true, true},
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{false, false, false, false, false, false, false, false, true, true, false, false, true, true, false, false, true, true},
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{false, false, false, false, false, false, false, false, true, true, false, false, true, true, true, false, true, true},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false}
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};
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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// Skip comparing indicies 12 and 13, and 13 and 12 in C++20 pending fix
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// See issue #3207
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#if defined(JSON_HAS_CPP_20) || JSON_HAS_THREE_WAY_COMPARISON
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if ((i == 12 && j == 13) || (i == 13 && j == 12))
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{
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continue;
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}
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#endif
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CAPTURE(i)
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CAPTURE(j)
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CAPTURE(j_values[i])
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CAPTURE(j_values[j])
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// check precomputed values
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CHECK( (j_values[i] < j_values[j]) == expected[i][j] );
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}
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}
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// comparison with discarded elements
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json j_discarded(json::value_t::discarded);
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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CAPTURE(i)
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CHECK( (j_values[i] < j_discarded) == false);
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CHECK( (j_discarded < j_values[i]) == false);
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CHECK( (j_discarded < j_discarded) == false);
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}
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}
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SECTION("comparison: less than or equal equal")
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{
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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CAPTURE(i)
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CAPTURE(j)
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// check definition
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CHECK( (j_values[i] <= j_values[j]) == !(j_values[j] < j_values[i]) );
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}
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}
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}
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SECTION("comparison: greater than")
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{
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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CAPTURE(i)
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CAPTURE(j)
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// check definition
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CHECK( (j_values[i] > j_values[j]) == (j_values[j] < j_values[i]) );
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}
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}
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}
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SECTION("comparison: greater than or equal")
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{
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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CAPTURE(i)
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CAPTURE(j)
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// check definition
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CHECK( (j_values[i] >= j_values[j]) == !(j_values[i] < j_values[j]) );
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}
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}
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}
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}
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}
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