Line data Source code
1 : // Copyright (c) 2019-2022 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 : #ifndef BITCOIN_TEST_UTIL_LOGGING_H
6 : #define BITCOIN_TEST_UTIL_LOGGING_H
7 :
8 : #include <util/macros.h>
9 :
10 : #include <functional>
11 : #include <list>
12 : #include <string>
13 :
14 : class DebugLogHelper
15 : {
16 : const std::string m_message;
17 : bool m_found{false};
18 : std::list<std::function<void(const std::string&)>>::iterator m_print_connection;
19 :
20 : //! Custom match checking function.
21 : //!
22 : //! Invoked with pointers to lines containing matching strings, and with
23 : //! null if check_found() is called without any successful match.
24 : //!
25 : //! Can return true to enable default DebugLogHelper behavior of:
26 : //! (1) ending search after first successful match, and
27 : //! (2) raising an error in check_found if no match was found
28 : //! Can return false to do the opposite in either case.
29 : using MatchFn = std::function<bool(const std::string* line)>;
30 : MatchFn m_match;
31 :
32 : void check_found();
33 :
34 : public:
35 : explicit DebugLogHelper(std::string message, MatchFn match = [](const std::string*){ return true; });
36 55 : ~DebugLogHelper() { check_found(); }
37 : };
38 :
39 : #define ASSERT_DEBUG_LOG(message) DebugLogHelper UNIQUE_NAME(debugloghelper)(message)
40 :
41 : #endif // BITCOIN_TEST_UTIL_LOGGING_H
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