Bitcoin Core  27.99.0
P2P Digital Currency
checkqueue.cpp
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1 // Copyright (c) 2020-2022 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 #include <checkqueue.h>
7 #include <test/fuzz/fuzz.h>
8 #include <test/fuzz/util.h>
9 
10 #include <cstdint>
11 #include <string>
12 #include <vector>
13 
14 namespace {
15 struct DumbCheck {
16  bool result = false;
17 
18  explicit DumbCheck(const bool _result) : result(_result)
19  {
20  }
21 
22  bool operator()() const
23  {
24  return result;
25  }
26 };
27 } // namespace
28 
29 FUZZ_TARGET(checkqueue)
30 {
31  FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
32 
33  const unsigned int batch_size = fuzzed_data_provider.ConsumeIntegralInRange<unsigned int>(0, 1024);
34  CCheckQueue<DumbCheck> check_queue_1{batch_size, /*worker_threads_num=*/0};
35  CCheckQueue<DumbCheck> check_queue_2{batch_size, /*worker_threads_num=*/0};
36  std::vector<DumbCheck> checks_1;
37  std::vector<DumbCheck> checks_2;
38  const int size = fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 1024);
39  for (int i = 0; i < size; ++i) {
40  const bool result = fuzzed_data_provider.ConsumeBool();
41  checks_1.emplace_back(result);
42  checks_2.emplace_back(result);
43  }
44  if (fuzzed_data_provider.ConsumeBool()) {
45  check_queue_1.Add(std::move(checks_1));
46  }
47  if (fuzzed_data_provider.ConsumeBool()) {
48  (void)check_queue_1.Wait();
49  }
50 
51  CCheckQueueControl<DumbCheck> check_queue_control{&check_queue_2};
52  if (fuzzed_data_provider.ConsumeBool()) {
53  check_queue_control.Add(std::move(checks_2));
54  }
55  if (fuzzed_data_provider.ConsumeBool()) {
56  (void)check_queue_control.Wait();
57  }
58 }
RAII-style controller object for a CCheckQueue that guarantees the passed queue is finished before co...
Definition: checkqueue.h:193
void Add(std::vector< T > &&vChecks)
Definition: checkqueue.h:219
Queue for verifications that have to be performed.
Definition: checkqueue.h:28
T ConsumeIntegralInRange(T min, T max)
FUZZ_TARGET(checkqueue)
Definition: checkqueue.cpp:29