1  // Copyright (c) 2019-present The Bitcoin Core developers
 2  // Distributed under the MIT software license, see the accompanying
 3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 4  
 5  #include <test/util/logging.h>
 6  
 7  #include <logging.h>
 8  #include <noui.h>
 9  #include <tinyformat.h>
10  
11  #include <cstdlib>
12  #include <iostream>
13  
14  DebugLogHelper::DebugLogHelper(std::string message, MatchFn match)
15      : m_message{std::move(message)}, m_match(std::move(match))
16  {
17      m_print_connection = LogInstance().PushBackCallback(
18          [this](const std::string& s) {
19              if (m_found) return;
20              m_found = s.find(m_message) != std::string::npos && m_match(&s);
21          });
22      noui_test_redirect();
23  }
24  
25  DebugLogHelper::~DebugLogHelper()
26  {
27      noui_reconnect();
28      LogInstance().DeleteCallback(m_print_connection);
29      if (!m_found && m_match(nullptr)) {
30          tfm::format(std::cerr, "Fatal error: expected message not found in the debug log: '%s'\n", m_message);
31          std::abort();
32      }
33  }