logging.h

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// Copyright (c) 2019-present 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
{
public:
    using MatchFn = std::function<bool(const std::string* line)>;

    explicit DebugLogHelper(std::string message, MatchFn match = [](const std::string*){ return true; });

    DebugLogHelper(const DebugLogHelper&) = delete;
    DebugLogHelper& operator=(const DebugLogHelper&) = delete;

    ~DebugLogHelper();

private:
    const std::string m_message;
    bool m_found{false};
    std::list<std::function<void(const std::string&)>>::iterator m_print_connection;
    MatchFn m_match;
};

#define ASSERT_DEBUG_LOG(message) DebugLogHelper UNIQUE_NAME(debugloghelper)(message)

#endif // BITCOIN_TEST_UTIL_LOGGING_H