diff options
Diffstat (limited to 'src/test/fuzz/autofile.cpp')
-rw-r--r-- | src/test/fuzz/autofile.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/test/fuzz/autofile.cpp b/src/test/fuzz/autofile.cpp new file mode 100644 index 0000000000..7ea0bdd2a7 --- /dev/null +++ b/src/test/fuzz/autofile.cpp @@ -0,0 +1,72 @@ +// 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); + } + } +} |