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v3.10.0
test/src/unit-items.cpp
1 467 строк
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Niels Lohmann
:bookmark: set version to 3.10.0
17 авг 2021, 16:23
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17 авг 2021, 16:23
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/* __ _____ _____ _____ __| | __| | | | JSON for Modern C++ (test suite) | | |__ | | | | | | version 3.10.0 |_____|_____|_____|_|___| 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; #if (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464 #define JSON_HAS_CPP_17 #define JSON_HAS_CPP_14 #elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1) #define JSON_HAS_CPP_14 #endif // This test suite uses range for loops where values are copied. This is inefficient in usual code, but required to achieve 100% coverage. DOCTEST_GCC_SUPPRESS_WARNING_PUSH DOCTEST_GCC_SUPPRESS_WARNING("-Wrange-loop-construct") DOCTEST_CLANG_SUPPRESS_WARNING_PUSH DOCTEST_CLANG_SUPPRESS_WARNING("-Wrange-loop-construct") TEST_CASE("iterator_wrapper") { SECTION("object") { SECTION("value") { json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } SECTION("reference") { json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (auto& i : json::iterator_wrapper(j)) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); // change the value i.value() = json(11); CHECK(i.value() == json(11)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); // change the value i.value() = json(22); CHECK(i.value() == json(22)); break; } default: { break; } } } CHECK(counter == 3); // check if values where changed CHECK(j == json({ {"A", 11}, {"B", 22} })); } SECTION("const value") { json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (const auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const reference") { json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (const auto& i : json::iterator_wrapper(j)) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } } SECTION("const object") { SECTION("value") { const json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } SECTION("reference") { const json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (auto& i : json::iterator_wrapper(j)) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const value") { const json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (const auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const reference") { const json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (const auto& i : json::iterator_wrapper(j)) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } } SECTION("array") { SECTION("value") { json j = { "A", "B" }; int counter = 1; for (auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } SECTION("reference") { json j = { "A", "B" }; int counter = 1; for (auto& i : json::iterator_wrapper(j)) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); // change the value i.value() = "AA"; CHECK(i.value() == "AA"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); // change the value i.value() = "BB"; CHECK(i.value() == "BB"); break; } default: { break; } } } CHECK(counter == 3); // check if values where changed CHECK(j == json({ "AA", "BB" })); } SECTION("const value") { json j = { "A", "B" }; int counter = 1; for (const auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const reference") { json j = { "A", "B" }; int counter = 1; for (const auto& i : json::iterator_wrapper(j)) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } } SECTION("const array") { SECTION("value") { const json j = { "A", "B" }; int counter = 1; for (auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } SECTION("reference") { const json j = { "A", "B" }; int counter = 1; for (auto& i : json::iterator_wrapper(j)) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const value") { const json j = { "A", "B" }; int counter = 1; for (const auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const reference") { const json j = { "A", "B" }; int counter = 1; for (const auto& i : json::iterator_wrapper(j)) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } } SECTION("primitive") { SECTION("value") { json j = 1; int counter = 1; for (auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } SECTION("reference") { json j = 1; int counter = 1; for (auto& i : json::iterator_wrapper(j)) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); // change value i.value() = json(2); } CHECK(counter == 2); // check if value has changed CHECK(j == json(2)); } SECTION("const value") { json j = 1; int counter = 1; for (const auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } SECTION("const reference") { json j = 1; int counter = 1; for (const auto& i : json::iterator_wrapper(j)) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } } SECTION("const primitive") { SECTION("value") { const json j = 1; int counter = 1; for (auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } SECTION("reference") { const json j = 1; int counter = 1; for (auto& i : json::iterator_wrapper(j)) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } SECTION("const value") { const json j = 1; int counter = 1; for (const auto i : json::iterator_wrapper(j)) // NOLINT(performance-for-range-copy) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } SECTION("const reference") { const json j = 1; int counter = 1; for (const auto& i : json::iterator_wrapper(j)) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } } } TEST_CASE("items()") { SECTION("object") { SECTION("value") { json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (auto i : j.items()) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } SECTION("reference") { json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (auto& i : j.items()) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); // change the value i.value() = json(11); CHECK(i.value() == json(11)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); // change the value i.value() = json(22); CHECK(i.value() == json(22)); break; } default: { break; } } } CHECK(counter == 3); // check if values where changed CHECK(j == json({ {"A", 11}, {"B", 22} })); } SECTION("const value") { json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (const auto i : j.items()) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const reference") { json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (const auto& i : j.items()) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } #ifdef JSON_HAS_CPP_17 SECTION("structured bindings") { json j = { {"A", 1}, {"B", 2} }; std::map<std::string, int> m; for (auto const&[key, value] : j.items()) { m.emplace(key, value); } CHECK(j.get<decltype(m)>() == m); } #endif } SECTION("const object") { SECTION("value") { const json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (auto i : j.items()) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } SECTION("reference") { const json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (auto& i : j.items()) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const value") { const json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (const auto i : j.items()) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const reference") { const json j = { {"A", 1}, {"B", 2} }; int counter = 1; for (const auto& i : j.items()) { switch (counter++) { case 1: { CHECK(i.key() == "A"); CHECK(i.value() == json(1)); break; } case 2: { CHECK(i.key() == "B"); CHECK(i.value() == json(2)); break; } default: { break; } } } CHECK(counter == 3); } } SECTION("array") { SECTION("value") { json j = { "A", "B" }; int counter = 1; for (auto i : j.items()) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } SECTION("reference") { json j = { "A", "B" }; int counter = 1; for (auto& i : j.items()) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); // change the value i.value() = "AA"; CHECK(i.value() == "AA"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); // change the value i.value() = "BB"; CHECK(i.value() == "BB"); break; } default: { break; } } } CHECK(counter == 3); // check if values where changed CHECK(j == json({ "AA", "BB" })); } SECTION("const value") { json j = { "A", "B" }; int counter = 1; for (const auto i : j.items()) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const reference") { json j = { "A", "B" }; int counter = 1; for (const auto& i : j.items()) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } } SECTION("const array") { SECTION("value") { const json j = { "A", "B" }; int counter = 1; for (auto i : j.items()) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } SECTION("reference") { const json j = { "A", "B" }; int counter = 1; for (auto& i : j.items()) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const value") { const json j = { "A", "B" }; int counter = 1; for (const auto i : j.items()) // NOLINT(performance-for-range-copy) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } SECTION("const reference") { const json j = { "A", "B" }; int counter = 1; for (const auto& i : j.items()) { switch (counter++) { case 1: { CHECK(i.key() == "0"); CHECK(i.value() == "A"); break; } case 2: { CHECK(i.key() == "1"); CHECK(i.value() == "B"); break; } default: { break; } } } CHECK(counter == 3); } } SECTION("primitive") { SECTION("value") { json j = 1; int counter = 1; for (auto i : j.items()) // NOLINT(performance-for-range-copy) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } SECTION("reference") { json j = 1; int counter = 1; for (auto& i : j.items()) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); // change value i.value() = json(2); } CHECK(counter == 2); // check if value has changed CHECK(j == json(2)); } SECTION("const value") { json j = 1; int counter = 1; for (const auto i : j.items()) // NOLINT(performance-for-range-copy) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } SECTION("const reference") { json j = 1; int counter = 1; for (const auto& i : j.items()) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } } SECTION("const primitive") { SECTION("value") { const json j = 1; int counter = 1; for (auto i : j.items()) // NOLINT(performance-for-range-copy) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } SECTION("reference") { const json j = 1; int counter = 1; for (auto& i : j.items()) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } SECTION("const value") { const json j = 1; int counter = 1; for (const auto i : j.items()) // NOLINT(performance-for-range-copy) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } SECTION("const reference") { const json j = 1; int counter = 1; for (const auto& i : j.items()) { ++counter; CHECK(i.key() == ""); CHECK(i.value() == json(1)); } CHECK(counter == 2); } } } #ifdef JSON_HAS_CPP_17 #undef JSON_HAS_CPP_17 #endif #ifdef JSON_HAS_CPP_14 #undef JSON_HAS_CPP_14 #endif DOCTEST_GCC_SUPPRESS_WARNING_POP DOCTEST_CLANG_SUPPRESS_WARNING_POP