LCOV - code coverage report
Current view: top level - src/test/fuzz - random.cpp (source / functions) Hit Total Coverage
Test: fuzz_coverage.info Lines: 2 16 12.5 %
Date: 2023-11-06 23:13:05 Functions: 1 3 33.3 %
Branches: 2 20 10.0 %

           Branch data     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 [ +  - ][ +  - ]:          6 : 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 : }

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