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// __ _____ _____ _____
// __| | __| | | | JSON for Modern C++ (supporting code)
// | | |__ | | | | | | version 3.12.0
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
//
// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
// SPDX-License-Identifier: MIT
#include "doctest_compatibility.h"
#include <nlohmann/json.hpp>
#include <exception>
#include <iostream>
struct Foo
{
int a;
int b;
};
namespace nlohmann
{
template <>
struct adl_serializer<Foo>
{
static void to_json(json& j, Foo const& f)
{
switch (f.b)
{
case 0:
j["a"] = f.a;
break;
case 1:
j[0] = f.a;
break;
default:
j = "test";
}
if (f.a == 1)
{
throw std::runtime_error("b is invalid");
}
}
};
} // namespace nlohmann
TEST_CASE("check_for_mem_leak_on_adl_to_json-1")
{
try
{
const nlohmann::json j = Foo {1, 0};
std::cout << j.dump() << "\n";
}
catch (...) // NOLINT(bugprone-empty-catch)
{
// just ignore the exception in this POC
}
}
TEST_CASE("check_for_mem_leak_on_adl_to_json-2")
{
try
{
const nlohmann::json j = Foo {1, 1};
std::cout << j.dump() << "\n";
}
catch (...) // NOLINT(bugprone-empty-catch)
{
// just ignore the exception in this POC
}
}
TEST_CASE("check_for_mem_leak_on_adl_to_json-2")
{
try
{
const nlohmann::json j = Foo {1, 2};
std::cout << j.dump() << "\n";
}
catch (...) // NOLINT(bugprone-empty-catch)
{
// just ignore the exception in this POC
}
}
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