/root/bitcoin/src/test/fuzz/cuckoocache.cpp
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1 | | // Copyright (c) 2020-2021 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 <cuckoocache.h> |
6 | | #include <script/sigcache.h> |
7 | | #include <test/fuzz/FuzzedDataProvider.h> |
8 | | #include <test/fuzz/fuzz.h> |
9 | | #include <test/fuzz/util.h> |
10 | | #include <test/util/setup_common.h> |
11 | | |
12 | | #include <cstdint> |
13 | | #include <string> |
14 | | #include <vector> |
15 | | |
16 | | namespace { |
17 | | FuzzedDataProvider* fuzzed_data_provider_ptr = nullptr; |
18 | | |
19 | | struct RandomHasher { |
20 | | template <uint8_t> |
21 | | uint32_t operator()(const bool& /* unused */) const |
22 | 0 | { |
23 | 0 | assert(fuzzed_data_provider_ptr != nullptr); |
24 | 0 | return fuzzed_data_provider_ptr->ConsumeIntegral<uint32_t>(); |
25 | 0 | } Unexecuted instantiation: cuckoocache.cpp:_ZNK12_GLOBAL__N_112RandomHasherclILh0EEEjRKb Unexecuted instantiation: cuckoocache.cpp:_ZNK12_GLOBAL__N_112RandomHasherclILh1EEEjRKb Unexecuted instantiation: cuckoocache.cpp:_ZNK12_GLOBAL__N_112RandomHasherclILh2EEEjRKb Unexecuted instantiation: cuckoocache.cpp:_ZNK12_GLOBAL__N_112RandomHasherclILh3EEEjRKb Unexecuted instantiation: cuckoocache.cpp:_ZNK12_GLOBAL__N_112RandomHasherclILh4EEEjRKb Unexecuted instantiation: cuckoocache.cpp:_ZNK12_GLOBAL__N_112RandomHasherclILh5EEEjRKb Unexecuted instantiation: cuckoocache.cpp:_ZNK12_GLOBAL__N_112RandomHasherclILh6EEEjRKb Unexecuted instantiation: cuckoocache.cpp:_ZNK12_GLOBAL__N_112RandomHasherclILh7EEEjRKb |
26 | | }; |
27 | | } // namespace |
28 | | |
29 | | FUZZ_TARGET(cuckoocache) |
30 | 0 | { |
31 | 0 | FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); |
32 | 0 | fuzzed_data_provider_ptr = &fuzzed_data_provider; |
33 | 0 | CuckooCache::cache<int, RandomHasher> cuckoo_cache{}; |
34 | 0 | if (fuzzed_data_provider.ConsumeBool()) { |
35 | 0 | const size_t megabytes = fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 16); |
36 | 0 | cuckoo_cache.setup_bytes(megabytes << 20); |
37 | 0 | } else { |
38 | 0 | cuckoo_cache.setup(fuzzed_data_provider.ConsumeIntegralInRange<uint32_t>(0, 4096)); |
39 | 0 | } |
40 | 0 | LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) { |
41 | 0 | if (fuzzed_data_provider.ConsumeBool()) { |
42 | 0 | cuckoo_cache.insert(fuzzed_data_provider.ConsumeBool()); |
43 | 0 | } else { |
44 | 0 | auto e = fuzzed_data_provider.ConsumeBool(); |
45 | 0 | auto erase = fuzzed_data_provider.ConsumeBool(); |
46 | 0 | cuckoo_cache.contains(e, erase); |
47 | 0 | } |
48 | 0 | } |
49 | 0 | fuzzed_data_provider_ptr = nullptr; |
50 | 0 | } |