| // __ _____ _____ _____ |
| // __| | __| | | | JSON for Modern C++ (supporting code) |
| // | | |__ | | | | | | version 3.11.2 |
| // |_____|_____|_____|_|___| https://github.com/nlohmann/json |
| // |
| // SPDX-FileCopyrightText: 2013-2023 Niels Lohmann <https://nlohmann.me> |
| // SPDX-License-Identifier: MIT |
| |
| #include "doctest_compatibility.h" |
| |
| #define JSON_TESTS_PRIVATE |
| #include <nlohmann/json.hpp> |
| using nlohmann::json; |
| |
| TEST_CASE("const_iterator class") |
| { |
| SECTION("construction") |
| { |
| SECTION("constructor") |
| { |
| SECTION("null") |
| { |
| json const j(json::value_t::null); |
| json::const_iterator const it(&j); |
| } |
| |
| SECTION("object") |
| { |
| json const j(json::value_t::object); |
| json::const_iterator const it(&j); |
| } |
| |
| SECTION("array") |
| { |
| json const j(json::value_t::array); |
| json::const_iterator const it(&j); |
| } |
| } |
| |
| SECTION("copy assignment") |
| { |
| json const j(json::value_t::null); |
| json::const_iterator const it(&j); |
| json::const_iterator it2(&j); |
| it2 = it; |
| } |
| |
| SECTION("copy constructor from non-const iterator") |
| { |
| SECTION("create from uninitialized iterator") |
| { |
| const json::iterator it {}; |
| json::const_iterator const cit(it); |
| } |
| |
| SECTION("create from initialized iterator") |
| { |
| json j; |
| const json::iterator it = j.begin(); |
| json::const_iterator const cit(it); |
| } |
| } |
| } |
| |
| SECTION("initialization") |
| { |
| SECTION("set_begin") |
| { |
| SECTION("null") |
| { |
| json const j(json::value_t::null); |
| json::const_iterator it(&j); |
| it.set_begin(); |
| CHECK((it == j.cbegin())); |
| } |
| |
| SECTION("object") |
| { |
| json const j(json::value_t::object); |
| json::const_iterator it(&j); |
| it.set_begin(); |
| CHECK((it == j.cbegin())); |
| } |
| |
| SECTION("array") |
| { |
| json const j(json::value_t::array); |
| json::const_iterator it(&j); |
| it.set_begin(); |
| CHECK((it == j.cbegin())); |
| } |
| } |
| |
| SECTION("set_end") |
| { |
| SECTION("null") |
| { |
| json const j(json::value_t::null); |
| json::const_iterator it(&j); |
| it.set_end(); |
| CHECK((it == j.cend())); |
| } |
| |
| SECTION("object") |
| { |
| json const j(json::value_t::object); |
| json::const_iterator it(&j); |
| it.set_end(); |
| CHECK((it == j.cend())); |
| } |
| |
| SECTION("array") |
| { |
| json const j(json::value_t::array); |
| json::const_iterator it(&j); |
| it.set_end(); |
| CHECK((it == j.cend())); |
| } |
| } |
| } |
| |
| SECTION("element access") |
| { |
| SECTION("operator*") |
| { |
| SECTION("null") |
| { |
| json const j(json::value_t::null); |
| json::const_iterator const it = j.cbegin(); |
| CHECK_THROWS_WITH_AS(*it, "[json.exception.invalid_iterator.214] cannot get value", json::invalid_iterator&); |
| } |
| |
| SECTION("number") |
| { |
| json const j(17); |
| json::const_iterator it = j.cbegin(); |
| CHECK(*it == json(17)); |
| it = j.cend(); |
| CHECK_THROWS_WITH_AS(*it, "[json.exception.invalid_iterator.214] cannot get value", json::invalid_iterator&); |
| } |
| |
| SECTION("object") |
| { |
| json const j({{"foo", "bar"}}); |
| json::const_iterator const it = j.cbegin(); |
| CHECK(*it == json("bar")); |
| } |
| |
| SECTION("array") |
| { |
| json const j({1, 2, 3, 4}); |
| json::const_iterator const it = j.cbegin(); |
| CHECK(*it == json(1)); |
| } |
| } |
| |
| SECTION("operator->") |
| { |
| SECTION("null") |
| { |
| json const j(json::value_t::null); |
| json::const_iterator const it = j.cbegin(); |
| CHECK_THROWS_WITH_AS(std::string(it->type_name()), "[json.exception.invalid_iterator.214] cannot get value", json::invalid_iterator&); |
| } |
| |
| SECTION("number") |
| { |
| json const j(17); |
| json::const_iterator it = j.cbegin(); |
| CHECK(std::string(it->type_name()) == "number"); |
| it = j.cend(); |
| CHECK_THROWS_WITH_AS(std::string(it->type_name()), "[json.exception.invalid_iterator.214] cannot get value", json::invalid_iterator&); |
| } |
| |
| SECTION("object") |
| { |
| json const j({{"foo", "bar"}}); |
| json::const_iterator const it = j.cbegin(); |
| CHECK(std::string(it->type_name()) == "string"); |
| } |
| |
| SECTION("array") |
| { |
| json const j({1, 2, 3, 4}); |
| json::const_iterator const it = j.cbegin(); |
| CHECK(std::string(it->type_name()) == "number"); |
| } |
| } |
| } |
| |
| SECTION("increment/decrement") |
| { |
| SECTION("post-increment") |
| { |
| SECTION("null") |
| { |
| json const j(json::value_t::null); |
| json::const_iterator it = j.cbegin(); |
| CHECK((it.m_it.primitive_iterator.m_it == 1)); |
| it++; |
| CHECK((it.m_it.primitive_iterator.m_it != 0 && it.m_it.primitive_iterator.m_it != 1)); |
| } |
| |
| SECTION("number") |
| { |
| json const j(17); |
| json::const_iterator it = j.cbegin(); |
| CHECK((it.m_it.primitive_iterator.m_it == 0)); |
| it++; |
| CHECK((it.m_it.primitive_iterator.m_it == 1)); |
| it++; |
| CHECK((it.m_it.primitive_iterator.m_it != 0 && it.m_it.primitive_iterator.m_it != 1)); |
| } |
| |
| SECTION("object") |
| { |
| json const j({{"foo", "bar"}}); |
| json::const_iterator it = j.cbegin(); |
| CHECK((it.m_it.object_iterator == it.m_object->m_data.m_value.object->begin())); |
| it++; |
| CHECK((it.m_it.object_iterator == it.m_object->m_data.m_value.object->end())); |
| } |
| |
| SECTION("array") |
| { |
| json const j({1, 2, 3, 4}); |
| json::const_iterator it = j.cbegin(); |
| CHECK((it.m_it.array_iterator == it.m_object->m_data.m_value.array->begin())); |
| it++; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| it++; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| it++; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| it++; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator == it.m_object->m_data.m_value.array->end())); |
| } |
| } |
| |
| SECTION("pre-increment") |
| { |
| SECTION("null") |
| { |
| json const j(json::value_t::null); |
| json::const_iterator it = j.cbegin(); |
| CHECK((it.m_it.primitive_iterator.m_it == 1)); |
| ++it; |
| CHECK((it.m_it.primitive_iterator.m_it != 0 && it.m_it.primitive_iterator.m_it != 1)); |
| } |
| |
| SECTION("number") |
| { |
| json const j(17); |
| json::const_iterator it = j.cbegin(); |
| CHECK((it.m_it.primitive_iterator.m_it == 0)); |
| ++it; |
| CHECK((it.m_it.primitive_iterator.m_it == 1)); |
| ++it; |
| CHECK((it.m_it.primitive_iterator.m_it != 0 && it.m_it.primitive_iterator.m_it != 1)); |
| } |
| |
| SECTION("object") |
| { |
| json const j({{"foo", "bar"}}); |
| json::const_iterator it = j.cbegin(); |
| CHECK((it.m_it.object_iterator == it.m_object->m_data.m_value.object->begin())); |
| ++it; |
| CHECK((it.m_it.object_iterator == it.m_object->m_data.m_value.object->end())); |
| } |
| |
| SECTION("array") |
| { |
| json const j({1, 2, 3, 4}); |
| json::const_iterator it = j.cbegin(); |
| CHECK((it.m_it.array_iterator == it.m_object->m_data.m_value.array->begin())); |
| ++it; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| ++it; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| ++it; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| ++it; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator == it.m_object->m_data.m_value.array->end())); |
| } |
| } |
| |
| SECTION("post-decrement") |
| { |
| SECTION("null") |
| { |
| json const j(json::value_t::null); |
| json::const_iterator const it = j.cend(); |
| CHECK((it.m_it.primitive_iterator.m_it == 1)); |
| } |
| |
| SECTION("number") |
| { |
| json const j(17); |
| json::const_iterator it = j.cend(); |
| CHECK((it.m_it.primitive_iterator.m_it == 1)); |
| it--; |
| CHECK((it.m_it.primitive_iterator.m_it == 0)); |
| it--; |
| CHECK((it.m_it.primitive_iterator.m_it != 0 && it.m_it.primitive_iterator.m_it != 1)); |
| } |
| |
| SECTION("object") |
| { |
| json const j({{"foo", "bar"}}); |
| json::const_iterator it = j.cend(); |
| CHECK((it.m_it.object_iterator == it.m_object->m_data.m_value.object->end())); |
| it--; |
| CHECK((it.m_it.object_iterator == it.m_object->m_data.m_value.object->begin())); |
| } |
| |
| SECTION("array") |
| { |
| json const j({1, 2, 3, 4}); |
| json::const_iterator it = j.cend(); |
| CHECK((it.m_it.array_iterator == it.m_object->m_data.m_value.array->end())); |
| it--; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| it--; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| it--; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| it--; |
| CHECK((it.m_it.array_iterator == it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| } |
| } |
| |
| SECTION("pre-decrement") |
| { |
| SECTION("null") |
| { |
| json const j(json::value_t::null); |
| json::const_iterator const it = j.cend(); |
| CHECK((it.m_it.primitive_iterator.m_it == 1)); |
| } |
| |
| SECTION("number") |
| { |
| json const j(17); |
| json::const_iterator it = j.cend(); |
| CHECK((it.m_it.primitive_iterator.m_it == 1)); |
| --it; |
| CHECK((it.m_it.primitive_iterator.m_it == 0)); |
| --it; |
| CHECK((it.m_it.primitive_iterator.m_it != 0 && it.m_it.primitive_iterator.m_it != 1)); |
| } |
| |
| SECTION("object") |
| { |
| json const j({{"foo", "bar"}}); |
| json::const_iterator it = j.cend(); |
| CHECK((it.m_it.object_iterator == it.m_object->m_data.m_value.object->end())); |
| --it; |
| CHECK((it.m_it.object_iterator == it.m_object->m_data.m_value.object->begin())); |
| } |
| |
| SECTION("array") |
| { |
| json const j({1, 2, 3, 4}); |
| json::const_iterator it = j.cend(); |
| CHECK((it.m_it.array_iterator == it.m_object->m_data.m_value.array->end())); |
| --it; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| --it; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| --it; |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| --it; |
| CHECK((it.m_it.array_iterator == it.m_object->m_data.m_value.array->begin())); |
| CHECK((it.m_it.array_iterator != it.m_object->m_data.m_value.array->end())); |
| } |
| } |
| } |
| } |