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✅ add tests for diagnostics

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Niels Lohmann 2021-01-16 15:33:19 +01:00
parent e9d641130d
commit aeecc09ba1
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3 changed files with 84 additions and 2 deletions
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1
test/CMakeLists.txt
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@ -110,6 +110,7 @@ set(files
src/unit-convenience.cpp
src/unit-conversions.cpp
src/unit-deserialization.cpp
src/unit-diagnostics.cpp
src/unit-element_access1.cpp
src/unit-element_access2.cpp
src/unit-hash.cpp

81
test/src/unit-diagnostics.cpp Normal file
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@ -0,0 +1,81 @@
/*
__ _____ _____ _____
__| | __| | | | 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"
#define JSON_DIAGNOSTICS 1
#include <nlohmann/json.hpp>
using nlohmann::json;
TEST_CASE("Better diagnostics")
{
SECTION("invalid type")
{
json j;
j["a"]["b"]["c"] = 1;
std::string s;
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);
}
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"], "[json.exception.type_error.302] (/a~1b/m~0n) type must be string, but is number", json::type_error);
}
}

4
test/src/unit-unicode.cpp
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@ -1181,8 +1181,8 @@ TEST_CASE("Unicode" * doctest::skip())
CHECK_NOTHROW(json::json_pointer("/" + ptr));
// check escape/unescape roundtrip
auto escaped = json::json_pointer::escape(ptr);
json::json_pointer::unescape(escaped);
auto escaped = nlohmann::detail::escape(ptr);
nlohmann::detail::unescape(escaped);
CHECK(escaped == ptr);
}
}