mirror of
https://github.com/nlohmann/json
synced 2024-12-13 04:50:10 +00:00
418 lines
15 KiB
C++
418 lines
15 KiB
C++
/*
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__ _____ _____ _____
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__| | __| | | | JSON for Modern C++ (test suite)
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| | |__ | | | | | | version 2.1.1
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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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Copyright (c) 2013-2017 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 "catch.hpp"
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#define private public
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#include "json.hpp"
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using nlohmann::json;
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TEST_CASE("const_iterator class")
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{
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SECTION("construction")
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{
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SECTION("constructor")
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{
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SECTION("null")
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{
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json j(json::value_t::null);
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json::const_iterator it(&j);
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}
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SECTION("object")
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{
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json j(json::value_t::object);
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json::const_iterator it(&j);
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}
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SECTION("array")
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{
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json j(json::value_t::array);
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json::const_iterator it(&j);
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}
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}
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SECTION("copy assignment")
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{
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json j(json::value_t::null);
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json::const_iterator it(&j);
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json::const_iterator it2(&j);
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it2 = it;
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}
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SECTION("copy constructor from non-const iterator")
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{
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SECTION("create from uninitialized iterator")
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{
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const json::iterator it {};
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json::const_iterator cit(it);
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}
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SECTION("create from initialized iterator")
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{
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json j;
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const json::iterator it = j.begin();
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json::const_iterator cit(it);
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}
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}
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}
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SECTION("initialization")
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{
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SECTION("set_begin")
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{
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SECTION("null")
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{
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json j(json::value_t::null);
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json::const_iterator it(&j);
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it.set_begin();
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CHECK((it == j.cbegin()));
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}
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SECTION("object")
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{
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json j(json::value_t::object);
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json::const_iterator it(&j);
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it.set_begin();
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CHECK((it == j.cbegin()));
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}
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SECTION("array")
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{
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json j(json::value_t::array);
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json::const_iterator it(&j);
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it.set_begin();
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CHECK((it == j.cbegin()));
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}
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}
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SECTION("set_end")
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{
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SECTION("null")
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{
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json j(json::value_t::null);
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json::const_iterator it(&j);
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it.set_end();
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CHECK((it == j.cend()));
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}
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SECTION("object")
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{
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json j(json::value_t::object);
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json::const_iterator it(&j);
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it.set_end();
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CHECK((it == j.cend()));
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}
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SECTION("array")
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{
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json j(json::value_t::array);
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json::const_iterator it(&j);
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it.set_end();
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CHECK((it == j.cend()));
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}
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}
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}
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SECTION("element access")
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{
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SECTION("operator*")
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{
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SECTION("null")
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{
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json j(json::value_t::null);
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json::const_iterator it = j.cbegin();
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CHECK_THROWS_AS(*it, json::invalid_iterator);
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CHECK_THROWS_WITH(*it, "[json.exception.invalid_iterator.214] cannot get value");
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}
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SECTION("number")
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{
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json j(17);
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json::const_iterator it = j.cbegin();
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CHECK(*it == json(17));
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it = j.cend();
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CHECK_THROWS_AS(*it, json::invalid_iterator);
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CHECK_THROWS_WITH(*it, "[json.exception.invalid_iterator.214] cannot get value");
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}
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SECTION("object")
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{
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json j({{"foo", "bar"}});
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json::const_iterator it = j.cbegin();
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CHECK(*it == json("bar"));
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}
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SECTION("array")
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{
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json j({1, 2, 3, 4});
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json::const_iterator it = j.cbegin();
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CHECK(*it == json(1));
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}
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}
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SECTION("operator->")
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{
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SECTION("null")
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{
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json j(json::value_t::null);
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json::const_iterator it = j.cbegin();
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CHECK_THROWS_AS(it->type_name(), json::invalid_iterator);
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CHECK_THROWS_WITH(it->type_name(), "[json.exception.invalid_iterator.214] cannot get value");
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}
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SECTION("number")
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{
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json j(17);
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json::const_iterator it = j.cbegin();
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CHECK(it->type_name() == "number");
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it = j.cend();
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CHECK_THROWS_AS(it->type_name(), json::invalid_iterator);
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CHECK_THROWS_WITH(it->type_name(), "[json.exception.invalid_iterator.214] cannot get value");
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}
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SECTION("object")
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{
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json j({{"foo", "bar"}});
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json::const_iterator it = j.cbegin();
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CHECK(it->type_name() == "string");
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}
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SECTION("array")
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{
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json j({1, 2, 3, 4});
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json::const_iterator it = j.cbegin();
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CHECK(it->type_name() == "number");
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}
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}
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}
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SECTION("increment/decrement")
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{
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SECTION("post-increment")
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{
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SECTION("null")
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{
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json j(json::value_t::null);
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json::const_iterator it = j.cbegin();
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CHECK((it.m_it.primitive_iterator.m_it == 1));
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it++;
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CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
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}
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SECTION("number")
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{
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json j(17);
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json::const_iterator it = j.cbegin();
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CHECK((it.m_it.primitive_iterator.m_it == 0));
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it++;
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CHECK((it.m_it.primitive_iterator.m_it == 1));
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it++;
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CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
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}
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SECTION("object")
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{
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json j({{"foo", "bar"}});
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json::const_iterator it = j.cbegin();
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CHECK((it.m_it.object_iterator == it.m_object->m_value.object->begin()));
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it++;
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CHECK((it.m_it.object_iterator == it.m_object->m_value.object->end()));
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}
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SECTION("array")
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{
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json j({1, 2, 3, 4});
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json::const_iterator it = j.cbegin();
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CHECK((it.m_it.array_iterator == it.m_object->m_value.array->begin()));
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it++;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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it++;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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it++;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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it++;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator == it.m_object->m_value.array->end()));
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}
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}
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SECTION("pre-increment")
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{
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SECTION("null")
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{
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json j(json::value_t::null);
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json::const_iterator it = j.cbegin();
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CHECK((it.m_it.primitive_iterator.m_it == 1));
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++it;
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CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
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}
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SECTION("number")
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{
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json j(17);
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json::const_iterator it = j.cbegin();
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CHECK((it.m_it.primitive_iterator.m_it == 0));
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++it;
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CHECK((it.m_it.primitive_iterator.m_it == 1));
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++it;
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CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
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}
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SECTION("object")
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{
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json j({{"foo", "bar"}});
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json::const_iterator it = j.cbegin();
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CHECK((it.m_it.object_iterator == it.m_object->m_value.object->begin()));
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++it;
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CHECK((it.m_it.object_iterator == it.m_object->m_value.object->end()));
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}
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SECTION("array")
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{
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json j({1, 2, 3, 4});
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json::const_iterator it = j.cbegin();
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CHECK((it.m_it.array_iterator == it.m_object->m_value.array->begin()));
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++it;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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++it;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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++it;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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++it;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator == it.m_object->m_value.array->end()));
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}
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}
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SECTION("post-decrement")
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{
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SECTION("null")
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{
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json j(json::value_t::null);
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json::const_iterator it = j.cend();
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CHECK((it.m_it.primitive_iterator.m_it == 1));
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}
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SECTION("number")
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{
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json j(17);
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json::const_iterator it = j.cend();
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CHECK((it.m_it.primitive_iterator.m_it == 1));
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it--;
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CHECK((it.m_it.primitive_iterator.m_it == 0));
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it--;
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CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
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}
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SECTION("object")
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{
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json j({{"foo", "bar"}});
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json::const_iterator it = j.cend();
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CHECK((it.m_it.object_iterator == it.m_object->m_value.object->end()));
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it--;
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CHECK((it.m_it.object_iterator == it.m_object->m_value.object->begin()));
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}
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SECTION("array")
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{
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json j({1, 2, 3, 4});
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json::const_iterator it = j.cend();
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CHECK((it.m_it.array_iterator == it.m_object->m_value.array->end()));
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it--;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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it--;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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it--;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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it--;
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CHECK((it.m_it.array_iterator == it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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}
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}
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SECTION("pre-decrement")
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{
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SECTION("null")
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{
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json j(json::value_t::null);
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json::const_iterator it = j.cend();
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CHECK((it.m_it.primitive_iterator.m_it == 1));
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}
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SECTION("number")
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{
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json j(17);
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json::const_iterator it = j.cend();
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CHECK((it.m_it.primitive_iterator.m_it == 1));
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--it;
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CHECK((it.m_it.primitive_iterator.m_it == 0));
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--it;
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CHECK((it.m_it.primitive_iterator.m_it != 0 and it.m_it.primitive_iterator.m_it != 1));
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}
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SECTION("object")
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{
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json j({{"foo", "bar"}});
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json::const_iterator it = j.cend();
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CHECK((it.m_it.object_iterator == it.m_object->m_value.object->end()));
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--it;
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CHECK((it.m_it.object_iterator == it.m_object->m_value.object->begin()));
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}
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SECTION("array")
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{
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json j({1, 2, 3, 4});
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json::const_iterator it = j.cend();
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CHECK((it.m_it.array_iterator == it.m_object->m_value.array->end()));
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--it;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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--it;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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--it;
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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--it;
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CHECK((it.m_it.array_iterator == it.m_object->m_value.array->begin()));
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CHECK((it.m_it.array_iterator != it.m_object->m_value.array->end()));
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}
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}
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}
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}
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