mirror of https://github.com/nlohmann/json.git
82 lines
3.0 KiB
C++
82 lines
3.0 KiB
C++
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/*
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__ _____ _____ _____
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__| | __| | | | JSON for Modern C++ (test suite)
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| | |__ | | | | | | version 3.9.1
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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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SPDX-License-Identifier: MIT
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Copyright (c) 2013-2019 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 "doctest_compatibility.h"
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#define JSON_DIAGNOSTICS 1
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#include <nlohmann/json.hpp>
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using nlohmann::json;
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TEST_CASE("Better diagnostics")
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{
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SECTION("invalid type")
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{
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json j;
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j["a"]["b"]["c"] = 1;
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std::string s;
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CHECK_THROWS_WITH_AS(s = j["a"]["b"]["c"], "[json.exception.type_error.302] (/a/b/c) type must be string, but is number", json::type_error);
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}
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SECTION("missing key")
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{
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json j;
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j["object"]["object"] = true;
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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);
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}
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SECTION("array index out of range")
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{
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json j;
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j["array"][4] = true;
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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);
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}
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SECTION("array index at wrong type")
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{
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json j;
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j["array"][4] = true;
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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);
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}
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SECTION("wrong iterator")
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{
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json j;
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j["array"] = json::array();
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CHECK_THROWS_WITH_AS(j["array"].erase(j.begin()), "[json.exception.invalid_iterator.202] (/array) iterator does not fit current value", json::invalid_iterator);
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}
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SECTION("JSON Pointer escaping")
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{
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json j;
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j["a/b"]["m~n"] = 1;
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std::string s;
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CHECK_THROWS_WITH_AS(s = j["a/b"]["m~n"], "[json.exception.type_error.302] (/a~1b/m~0n) type must be string, but is number", json::type_error);
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}
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}
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