| /* |
| __ _____ _____ _____ |
| __| | __| | | | JSON for Modern C++ (test suite) |
| | | |__ | | | | | | version 2.0.3 |
| |_____|_____|_____|_|___| https://github.com/nlohmann/json |
| |
| Licensed under the MIT License <http://opensource.org/licenses/MIT>. |
| Copyright (c) 2013-2016 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 "catch.hpp" |
| |
| #define private public |
| #include "json.hpp" |
| using nlohmann::json; |
| |
| TEST_CASE("const_iterator class") |
| { |
| SECTION("construction") |
| { |
| SECTION("constructor") |
| { |
| SECTION("null") |
| { |
| json j(json::value_t::null); |
| json::const_iterator it(&j); |
| } |
| |
| SECTION("object") |
| { |
| json j(json::value_t::object); |
| json::const_iterator it(&j); |
| } |
| |
| SECTION("array") |
| { |
| json j(json::value_t::array); |
| json::const_iterator it(&j); |
| } |
| } |
| |
| SECTION("copy assignment") |
| { |
| json j(json::value_t::null); |
| json::const_iterator 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 cit(it); |
| } |
| |
| SECTION("create from initialized iterator") |
| { |
| json j; |
| const json::iterator it = j.begin(); |
| json::const_iterator cit(it); |
| } |
| } |
| } |
| |
| SECTION("initialization") |
| { |
| SECTION("set_begin") |
| { |
| SECTION("null") |
| { |
| json j(json::value_t::null); |
| json::const_iterator it(&j); |
| it.set_begin(); |
| CHECK(it == j.cbegin()); |
| } |
| |
| SECTION("object") |
| { |
| json j(json::value_t::object); |
| json::const_iterator it(&j); |
| it.set_begin(); |
| CHECK(it == j.cbegin()); |
| } |
| |
| SECTION("array") |
| { |
| json j(json::value_t::array); |
| json::const_iterator it(&j); |
| it.set_begin(); |
| CHECK(it == j.cbegin()); |
| } |
| } |
| |
| SECTION("set_end") |
| { |
| SECTION("null") |
| { |
| json j(json::value_t::null); |
| json::const_iterator it(&j); |
| it.set_end(); |
| CHECK(it == j.cend()); |
| } |
| |
| SECTION("object") |
| { |
| json j(json::value_t::object); |
| json::const_iterator it(&j); |
| it.set_end(); |
| CHECK(it == j.cend()); |
| } |
| |
| SECTION("array") |
| { |
| json 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 j(json::value_t::null); |
| json::const_iterator it = j.cbegin(); |
| CHECK_THROWS_AS(*it, std::out_of_range); |
| CHECK_THROWS_WITH(*it, "cannot get value"); |
| } |
| |
| SECTION("number") |
| { |
| json j(17); |
| json::const_iterator it = j.cbegin(); |
| CHECK(*it == json(17)); |
| it = j.cend(); |
| CHECK_THROWS_AS(*it, std::out_of_range); |
| CHECK_THROWS_WITH(*it, "cannot get value"); |
| } |
| |
| SECTION("object") |
| { |
| json j({{"foo", "bar"}}); |
| json::const_iterator it = j.cbegin(); |
| CHECK(*it == json("bar")); |
| } |
| |
| SECTION("array") |
| { |
| json j({1, 2, 3, 4}); |
| json::const_iterator it = j.cbegin(); |
| CHECK(*it == json(1)); |
| } |
| } |
| |
| SECTION("operator->") |
| { |
| SECTION("null") |
| { |
| json j(json::value_t::null); |
| json::const_iterator it = j.cbegin(); |
| CHECK_THROWS_AS(it->type_name(), std::out_of_range); |
| CHECK_THROWS_WITH(it->type_name(), "cannot get value"); |
| } |
| |
| SECTION("number") |
| { |
| json j(17); |
| json::const_iterator it = j.cbegin(); |
| CHECK(it->type_name() == "number"); |
| it = j.cend(); |
| CHECK_THROWS_AS(it->type_name(), std::out_of_range); |
| CHECK_THROWS_WITH(it->type_name(), "cannot get value"); |
| } |
| |
| SECTION("object") |
| { |
| json j({{"foo", "bar"}}); |
| json::const_iterator it = j.cbegin(); |
| CHECK(it->type_name() == "string"); |
| } |
| |
| SECTION("array") |
| { |
| json j({1, 2, 3, 4}); |
| json::const_iterator it = j.cbegin(); |
| CHECK(it->type_name() == "number"); |
| } |
| } |
| } |
| |
| SECTION("increment/decrement") |
| { |
| SECTION("post-increment") |
| { |
| SECTION("null") |
| { |
| json j(json::value_t::null); |
| json::const_iterator it = j.cbegin(); |
| CHECK(it.m_it.primitive_iterator == 1); |
| it++; |
| CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1)); |
| } |
| |
| SECTION("number") |
| { |
| json j(17); |
| json::const_iterator it = j.cbegin(); |
| CHECK(it.m_it.primitive_iterator == 0); |
| it++; |
| CHECK(it.m_it.primitive_iterator == 1); |
| it++; |
| CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1)); |
| } |
| |
| SECTION("object") |
| { |
| json j({{"foo", "bar"}}); |
| json::const_iterator it = j.cbegin(); |
| CHECK(it.m_it.object_iterator == it.m_object->m_value.object->begin()); |
| it++; |
| CHECK(it.m_it.object_iterator == it.m_object->m_value.object->end()); |
| } |
| |
| SECTION("array") |
| { |
| json j({1, 2, 3, 4}); |
| json::const_iterator it = j.cbegin(); |
| CHECK(it.m_it.array_iterator == it.m_object->m_value.array->begin()); |
| it++; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| it++; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| it++; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| it++; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator == it.m_object->m_value.array->end()); |
| } |
| } |
| |
| SECTION("pre-increment") |
| { |
| SECTION("null") |
| { |
| json j(json::value_t::null); |
| json::const_iterator it = j.cbegin(); |
| CHECK(it.m_it.primitive_iterator == 1); |
| ++it; |
| CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1)); |
| } |
| |
| SECTION("number") |
| { |
| json j(17); |
| json::const_iterator it = j.cbegin(); |
| CHECK(it.m_it.primitive_iterator == 0); |
| ++it; |
| CHECK(it.m_it.primitive_iterator == 1); |
| ++it; |
| CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1)); |
| } |
| |
| SECTION("object") |
| { |
| json j({{"foo", "bar"}}); |
| json::const_iterator it = j.cbegin(); |
| CHECK(it.m_it.object_iterator == it.m_object->m_value.object->begin()); |
| ++it; |
| CHECK(it.m_it.object_iterator == it.m_object->m_value.object->end()); |
| } |
| |
| SECTION("array") |
| { |
| json j({1, 2, 3, 4}); |
| json::const_iterator it = j.cbegin(); |
| CHECK(it.m_it.array_iterator == it.m_object->m_value.array->begin()); |
| ++it; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| ++it; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| ++it; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| ++it; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator == it.m_object->m_value.array->end()); |
| } |
| } |
| |
| SECTION("post-decrement") |
| { |
| SECTION("null") |
| { |
| json j(json::value_t::null); |
| json::const_iterator it = j.cend(); |
| CHECK(it.m_it.primitive_iterator == 1); |
| } |
| |
| SECTION("number") |
| { |
| json j(17); |
| json::const_iterator it = j.cend(); |
| CHECK(it.m_it.primitive_iterator == 1); |
| it--; |
| CHECK(it.m_it.primitive_iterator == 0); |
| it--; |
| CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1)); |
| } |
| |
| SECTION("object") |
| { |
| json j({{"foo", "bar"}}); |
| json::const_iterator it = j.cend(); |
| CHECK(it.m_it.object_iterator == it.m_object->m_value.object->end()); |
| it--; |
| CHECK(it.m_it.object_iterator == it.m_object->m_value.object->begin()); |
| } |
| |
| SECTION("array") |
| { |
| json j({1, 2, 3, 4}); |
| json::const_iterator it = j.cend(); |
| CHECK(it.m_it.array_iterator == it.m_object->m_value.array->end()); |
| it--; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| it--; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| it--; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| it--; |
| CHECK(it.m_it.array_iterator == it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| } |
| } |
| |
| SECTION("pre-decrement") |
| { |
| SECTION("null") |
| { |
| json j(json::value_t::null); |
| json::const_iterator it = j.cend(); |
| CHECK(it.m_it.primitive_iterator == 1); |
| } |
| |
| SECTION("number") |
| { |
| json j(17); |
| json::const_iterator it = j.cend(); |
| CHECK(it.m_it.primitive_iterator == 1); |
| --it; |
| CHECK(it.m_it.primitive_iterator == 0); |
| --it; |
| CHECK((it.m_it.primitive_iterator != 0 and it.m_it.primitive_iterator != 1)); |
| } |
| |
| SECTION("object") |
| { |
| json j({{"foo", "bar"}}); |
| json::const_iterator it = j.cend(); |
| CHECK(it.m_it.object_iterator == it.m_object->m_value.object->end()); |
| --it; |
| CHECK(it.m_it.object_iterator == it.m_object->m_value.object->begin()); |
| } |
| |
| SECTION("array") |
| { |
| json j({1, 2, 3, 4}); |
| json::const_iterator it = j.cend(); |
| CHECK(it.m_it.array_iterator == it.m_object->m_value.array->end()); |
| --it; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| --it; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| --it; |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| --it; |
| CHECK(it.m_it.array_iterator == it.m_object->m_value.array->begin()); |
| CHECK(it.m_it.array_iterator != it.m_object->m_value.array->end()); |
| } |
| } |
| } |
| } |