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// Copyright (c) 2019-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_TEST_UTIL_LOGGING_H
#define BITCOIN_TEST_UTIL_LOGGING_H
#include <util/macros.h>
#include <functional>
#include <list>
#include <string>
class DebugLogHelper
{
const std::string m_message;
bool m_found{false};
std::list<std::function<void(const std::string&)>>::iterator m_print_connection;
//! Custom match checking function.
//!
//! Invoked with pointers to lines containing matching strings, and with
//! null if check_found() is called without any successful match.
//!
//! Can return true to enable default DebugLogHelper behavior of:
//! (1) ending search after first successful match, and
//! (2) raising an error in check_found if no match was found
//! Can return false to do the opposite in either case.
using MatchFn = std::function<bool(const std::string* line)>;
MatchFn m_match;
void check_found();
public:
explicit DebugLogHelper(std::string message, MatchFn match = [](const std::string*){ return true; });
//! Mark as noexcept(false) to catch any thrown exceptions.
~DebugLogHelper() noexcept(false) { check_found(); }
};
#define ASSERT_DEBUG_LOG(message) DebugLogHelper UNIQUE_NAME(debugloghelper)(message)
#endif // BITCOIN_TEST_UTIL_LOGGING_H