Differential D9132 Diff 27484 src/test/fuzz/autofile.cpp

Changeset View

Standalone View

src/test/fuzz/autofile.cpp

This file was added.

				// 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 <streams.h>

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

				#include <array>
				#include <cstdint>
				#include <iostream>
				#include <string>
				#include <vector>

				void test_one_input(const std::vector<uint8_t> &buffer) {
				FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
				FuzzedAutoFileProvider fuzzed_auto_file_provider =
				ConsumeAutoFile(fuzzed_data_provider);
				CAutoFile auto_file = fuzzed_auto_file_provider.open();
				while (fuzzed_data_provider.ConsumeBool()) {
				switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 5)) {
				case 0: {
				std::array<uint8_t, 4096> arr{};
				try {
				auto_file.read(
				(char *)arr.data(),
				fuzzed_data_provider.ConsumeIntegralInRange<size_t>(
				0, 4096));
				} catch (const std::ios_base::failure &) {
				}
				break;
				}
				case 1: {
				const std::array<uint8_t, 4096> arr{};
				try {
				auto_file.write(
				(const char *)arr.data(),
				fuzzed_data_provider.ConsumeIntegralInRange<size_t>(
				0, 4096));
				} catch (const std::ios_base::failure &) {
				}
				break;
				}
				case 2: {
				try {
				auto_file.ignore(
				fuzzed_data_provider.ConsumeIntegralInRange<size_t>(
				0, 4096));
				} catch (const std::ios_base::failure &) {
				}
				break;
				}
				case 3: {
				auto_file.fclose();
				break;
				}
				case 4: {
				ReadFromStream(fuzzed_data_provider, auto_file);
				break;
				}
				case 5: {
				WriteToStream(fuzzed_data_provider, auto_file);
				break;
				}
				}
				}
				(void)auto_file.Get();
				(void)auto_file.GetType();
				(void)auto_file.GetVersion();
				(void)auto_file.IsNull();
				if (fuzzed_data_provider.ConsumeBool()) {
				FILE *f = auto_file.release();
				if (f != nullptr) {
				fclose(f);
				}
				}
				}