script_parsing.cpp raw

   1  // Copyright (c) 2019-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 <script/parsing.h>
   6  #include <test/fuzz/FuzzedDataProvider.h>
   7  #include <test/fuzz/fuzz.h>
   8  #include <util/byte_units.h>
   9  #include <util/string.h>
  10  
  11  using util::Split;
  12  
  13  FUZZ_TARGET(script_parsing)
  14  {
  15      FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
  16      const size_t query_size = fuzzed_data_provider.ConsumeIntegral<size_t>();
  17      const std::string query = fuzzed_data_provider.ConsumeBytesAsString(std::min<size_t>(query_size, 1_MiB));
  18      const std::string span_str = fuzzed_data_provider.ConsumeRemainingBytesAsString();
  19      const std::span<const char> const_span{span_str};
  20  
  21      std::span<const char> mut_span = const_span;
  22      (void)script::Const(query, mut_span);
  23  
  24      mut_span = const_span;
  25      (void)script::Func(query, mut_span);
  26  
  27      mut_span = const_span;
  28      (void)script::Expr(mut_span);
  29  
  30      if (!query.empty()) {
  31          mut_span = const_span;
  32          (void)Split(mut_span, query.front());
  33      }
  34  }
  35