Line data    Source code

       1             : // Copyright (c) 2020 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 <random.h>
       6             : #include <test/fuzz/FuzzedDataProvider.h>
       7             : #include <test/fuzz/fuzz.h>
       8             : #include <test/fuzz/util.h>
       9             : 
      10             : #include <algorithm>
      11             : #include <cstdint>
      12             : #include <string>
      13             : #include <vector>
      14             : 
      15           4 : FUZZ_TARGET(random)
      16             : {
      17           0 :     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
      18           0 :     FastRandomContext fast_random_context{ConsumeUInt256(fuzzed_data_provider)};
      19           0 :     (void)fast_random_context.rand64();
      20           0 :     (void)fast_random_context.randbits(fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 64));
      21           0 :     (void)fast_random_context.randrange(fuzzed_data_provider.ConsumeIntegralInRange<uint64_t>(FastRandomContext::min() + 1, FastRandomContext::max()));
      22           0 :     (void)fast_random_context.randbytes(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 1024));
      23           0 :     (void)fast_random_context.rand32();
      24           0 :     (void)fast_random_context.rand256();
      25           2 :     (void)fast_random_context.randbool();
      26           0 :     (void)fast_random_context();
      27             : 
      28           0 :     std::vector<int64_t> integrals = ConsumeRandomLengthIntegralVector<int64_t>(fuzzed_data_provider);
      29           0 :     Shuffle(integrals.begin(), integrals.end(), fast_random_context);
      30           0 :     std::shuffle(integrals.begin(), integrals.end(), fast_random_context);
      31           0 : }