// Copyright (c) 2019-present The Bitcoin Core developers

// Distributed under the MIT software license, see the accompanying

// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <script/parsing.h>

#include <test/fuzz/FuzzedDataProvider.h>

#include <test/fuzz/fuzz.h>

#include <util/string.h>

using util::Split;

FUZZ_TARGET(script_parsing)

{

    FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());

    const size_t query_size = fuzzed_data_provider.ConsumeIntegral<size_t>();

    const std::string query = fuzzed_data_provider.ConsumeBytesAsString(std::min<size_t>(query_size, 1024 * 1024));

    const std::string span_str = fuzzed_data_provider.ConsumeRemainingBytesAsString();

    const std::span<const char> const_span{span_str};

    std::span<const char> mut_span = const_span;

    (void)script::Const(query, mut_span);

    mut_span = const_span;

    (void)script::Func(query, mut_span);

    mut_span = const_span;

    (void)script::Expr(mut_span);

    if (!query.empty()) {

        mut_span = const_span;

        (void)Split(mut_span, query.front());

    }

}