1  // Copyright (c) 2019-2020 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 <test/fuzz/FuzzedDataProvider.h>
 6  #include <test/fuzz/fuzz.h>
 7  #include <util/spanparsing.h>
 8  
 9  FUZZ_TARGET(spanparsing)
10  {
11      FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
12      const size_t query_size = fuzzed_data_provider.ConsumeIntegral<size_t>();
13      const std::string query = fuzzed_data_provider.ConsumeBytesAsString(std::min<size_t>(query_size, 1024 * 1024));
14      const std::string span_str = fuzzed_data_provider.ConsumeRemainingBytesAsString();
15      const Span<const char> const_span{span_str};
16  
17      Span<const char> mut_span = const_span;
18      (void)spanparsing::Const(query, mut_span);
19  
20      mut_span = const_span;
21      (void)spanparsing::Func(query, mut_span);
22  
23      mut_span = const_span;
24      (void)spanparsing::Expr(mut_span);
25  
26      if (!query.empty()) {
27          mut_span = const_span;
28          (void)spanparsing::Split(mut_span, query.front());
29      }
30  }