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Differential D9121 Diff 27465 src/test/fuzz/spanparsing.cpp

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src/test/fuzz/spanparsing.cpp

// Copyright (c) 2019 The Bitcoin Core developers // Copyright (c) 2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying // Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php. // file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <test/fuzz/FuzzedDataProvider.h> #include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h> #include <test/fuzz/fuzz.h>
#include <util/spanparsing.h> #include <util/spanparsing.h>
void test_one_input(const std::vector<uint8_t> &buffer) { void test_one_input(const std::vector<uint8_t> &buffer) {
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
const size_t query_size = fuzzed_data_provider.ConsumeIntegral<size_t>(); const size_t query_size = fuzzed_data_provider.ConsumeIntegral<size_t>();
const std::string query = fuzzed_data_provider.ConsumeBytesAsString( const std::string query = fuzzed_data_provider.ConsumeBytesAsString(
std::min<size_t>(query_size, 1024 * 1024)); std::min<size_t>(query_size, 1024 * 1024));
const std::string span_str = const std::string span_str =
fuzzed_data_provider.ConsumeRemainingBytesAsString(); fuzzed_data_provider.ConsumeRemainingBytesAsString();
const Span<const char> const_span = MakeSpan(span_str); const Span<const char> const_span{span_str};
Span<const char> mut_span = const_span; Span<const char> mut_span = const_span;
(void)spanparsing::Const(query, mut_span); (void)spanparsing::Const(query, mut_span);
mut_span = const_span; mut_span = const_span;
(void)spanparsing::Func(query, mut_span); (void)spanparsing::Func(query, mut_span);
mut_span = const_span; mut_span = const_span;
(void)spanparsing::Expr(mut_span); (void)spanparsing::Expr(mut_span);
if (!query.empty()) { if (!query.empty()) {
mut_span = const_span; mut_span = const_span;
(void)spanparsing::Split(mut_span, query.front()); (void)spanparsing::Split(mut_span, query.front());
} }
} }