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				// Copyright (c) 2020 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 <flatfile.h>

				#include <test/fuzz/FuzzedDataProvider.h>
				#include <test/fuzz/fuzz.h>
				#include <test/fuzz/util.h>

				#include <cassert>
				#include <cstdint>
				#include <optional>
				#include <string>
				#include <vector>

				void test_one_input(const std::vector<uint8_t> &buffer) {
				FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
				std::optional<FlatFilePos> flat_file_pos =
				ConsumeDeserializable<FlatFilePos>(fuzzed_data_provider);
				if (!flat_file_pos) {
				return;
				}
				std::optional<FlatFilePos> another_flat_file_pos =
				ConsumeDeserializable<FlatFilePos>(fuzzed_data_provider);
				if (another_flat_file_pos) {
				assert((flat_file_pos == another_flat_file_pos) !=
				(flat_file_pos != another_flat_file_pos));
				}
				(void)flat_file_pos->ToString();
				flat_file_pos->SetNull();
				assert(flat_file_pos->IsNull());
				}