1  // Copyright (c) 2024-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 <node/timeoffsets.h>
 6  #include <node/warnings.h>
 7  #include <test/fuzz/FuzzedDataProvider.h>
 8  #include <test/fuzz/fuzz.h>
 9  #include <test/util/setup_common.h>
10  
11  #include <chrono>
12  #include <cstdint>
13  #include <functional>
14  
15  void initialize_timeoffsets()
16  {
17      static const auto testing_setup = MakeNoLogFileContext<>(ChainType::MAIN);
18  }
19  
20  FUZZ_TARGET(timeoffsets, .init = initialize_timeoffsets)
21  {
22      FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
23      node::Warnings warnings{};
24      TimeOffsets offsets{warnings};
25      LIMITED_WHILE(fuzzed_data_provider.remaining_bytes() > 0, 4'000) {
26          (void)offsets.Median();
27          offsets.Add(std::chrono::seconds{fuzzed_data_provider.ConsumeIntegral<std::chrono::seconds::rep>()});
28          offsets.WarnIfOutOfSync();
29      }
30  }