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/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 3.9.1
|_____|_____|_____|_|___| 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"
#ifdef JSON_DIAGNOSTICS
#undef JSON_DIAGNOSTICS
#endif
#define JSON_DIAGNOSTICS 1
#include <nlohmann/json.hpp>
using nlohmann::json;
TEST_CASE("Better diagnostics")
{
SECTION("empty JSON Pointer")
{
json j = 1;
std::string s;
CHECK_THROWS_WITH_AS(s = j.get<std::string>(), "[json.exception.type_error.302] type must be string, but is number", json::type_error);
}
SECTION("invalid type")
{
json j;
j["a"]["b"]["c"] = 1;
std::string s;
CHECK_THROWS_WITH_AS(s = j["a"]["b"]["c"].get<std::string>(), "[json.exception.type_error.302] (/a/b/c) type must be string, but is number", json::type_error);
}
SECTION("missing key")
{
json j;
j["object"]["object"] = true;
CHECK_THROWS_WITH_AS(j["object"].at("not_found"), "[json.exception.out_of_range.403] (/object) key 'not_found' not found", json::out_of_range);
}
SECTION("array index out of range")
{
json j;
j["array"][4] = true;
CHECK_THROWS_WITH_AS(j["array"].at(5), "[json.exception.out_of_range.401] (/array) array index 5 is out of range", json::out_of_range);
}
SECTION("array index at wrong type")
{
json j;
j["array"][4] = true;
CHECK_THROWS_WITH_AS(j["array"][4][5], "[json.exception.type_error.305] (/array/4) cannot use operator[] with a numeric argument with boolean", json::type_error);
}
SECTION("wrong iterator")
{
json j;
j["array"] = json::array();
CHECK_THROWS_WITH_AS(j["array"].erase(j.begin()), "[json.exception.invalid_iterator.202] (/array) iterator does not fit current value", json::invalid_iterator);
}
SECTION("JSON Pointer escaping")
{
json j;
j["a/b"]["m~n"] = 1;
std::string s;
CHECK_THROWS_WITH_AS(s = j["a/b"]["m~n"].get<std::string>(), "[json.exception.type_error.302] (/a~1b/m~0n) type must be string, but is number", json::type_error);
}
SECTION("Parse error")
{
json _;
CHECK_THROWS_WITH_AS(_ = json::parse(""), "[json.exception.parse_error.101] parse error at line 1, column 1: syntax error while parsing value - unexpected end of input; expected '[', '{', or a literal", json::parse_error);
}
SECTION("Regression test for https://github.com/nlohmann/json/pull/2562#pullrequestreview-574858448")
{
CHECK_THROWS_WITH_AS(json({"0", "0"})[1].get<int>(), "[json.exception.type_error.302] (/1) type must be number, but is string", json::type_error);
CHECK_THROWS_WITH_AS(json({"0", "1"})[1].get<int>(), "[json.exception.type_error.302] (/1) type must be number, but is string", json::type_error);
}
SECTION("Regression test for https://github.com/nlohmann/json/pull/2562/files/380a613f2b5d32425021129cd1f371ddcfd54ddf#r563259793")
{
json j;
j["/foo"] = {1, 2, 3};
CHECK_THROWS_WITH_AS(j.unflatten(), "[json.exception.type_error.315] (/~1foo) values in object must be primitive", json::type_error);
}
SECTION("Regression test for https://github.com/nlohmann/json/issues/2838")
{
// void push_back(basic_json&& val)
{
json j_arr = json::array();
j_arr.push_back(json::object());
j_arr.push_back(json::object());
j_arr.push_back(json::object());
j_arr.push_back(json::object());
json j_obj = json::object();
j_obj["key"] = j_arr;
}
// void push_back(const basic_json& val)
{
json j_arr = json::array();
auto object = json::object();
j_arr.push_back(object);
j_arr.push_back(object);
j_arr.push_back(object);
j_arr.push_back(object);
json j_obj = json::object();
j_obj["key"] = j_arr;
}
// reference emplace_back(Args&& ... args)
{
json j_arr = json::array();
j_arr.emplace_back(json::object());
j_arr.emplace_back(json::object());
j_arr.emplace_back(json::object());
j_arr.emplace_back(json::object());
json j_obj = json::object();
j_obj["key"] = j_arr;
}
// iterator insert(const_iterator pos, const basic_json& val)
{
json j_arr = json::array();
j_arr.insert(j_arr.begin(), json::object());
j_arr.insert(j_arr.begin(), json::object());
j_arr.insert(j_arr.begin(), json::object());
j_arr.insert(j_arr.begin(), json::object());
json j_obj = json::object();
j_obj["key"] = j_arr;
}
// iterator insert(const_iterator pos, size_type cnt, const basic_json& val)
{
json j_arr = json::array();
j_arr.insert(j_arr.begin(), 2, json::object());
json j_obj = json::object();
j_obj["key"] = j_arr;
}
// iterator insert(const_iterator pos, const_iterator first, const_iterator last)
{
json j_arr = json::array();
json j_objects = {json::object(), json::object()};
j_arr.insert(j_arr.begin(), j_objects.begin(), j_objects.end());
json j_obj = json::object();
j_obj["key"] = j_arr;
}
}
}