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/string.h>
 9  
10  using util::Split;
11  
12  FUZZ_TARGET(script_parsing)
13  {
14      FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
15      const size_t query_size = fuzzed_data_provider.ConsumeIntegral<size_t>();
16      const std::string query = fuzzed_data_provider.ConsumeBytesAsString(std::min<size_t>(query_size, 1024 * 1024));
17      const std::string span_str = fuzzed_data_provider.ConsumeRemainingBytesAsString();
18      const std::span<const char> const_span{span_str};
19  
20      std::span<const char> mut_span = const_span;
21      (void)script::Const(query, mut_span);
22  
23      mut_span = const_span;
24      (void)script::Func(query, mut_span);
25  
26      mut_span = const_span;
27      (void)script::Expr(mut_span);
28  
29      if (!query.empty()) {
30          mut_span = const_span;
31          (void)Split(mut_span, query.front());
32      }
33  }