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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 <optional.h>
#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 <optional>
#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);
}
}
}
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