Coverage Report

Created: 2025-03-18 19:28

/root/bitcoin/src/test/fuzz/autofile.cpp
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Source (jump to first uncovered line)
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// Copyright (c) 2020-2022 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <span.h>
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#include <streams.h>
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/fuzz.h>
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#include <test/fuzz/util.h>
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#include <array>
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#include <cstddef>
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#include <cstdio>
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#include <iostream>
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#include <vector>
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FUZZ_TARGET(autofile)
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{
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    FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
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    FuzzedFileProvider fuzzed_file_provider{fuzzed_data_provider};
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    AutoFile auto_file{
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        fuzzed_file_provider.open(),
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        ConsumeRandomLengthByteVector<std::byte>(fuzzed_data_provider),
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    };
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    LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 100)
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    {
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        CallOneOf(
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            fuzzed_data_provider,
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            [&] {
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                std::array<std::byte, 4096> arr{};
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                try {
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                    auto_file.read({arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)});
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                } catch (const std::ios_base::failure&) {
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                }
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            },
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            [&] {
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                const std::array<std::byte, 4096> arr{};
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                try {
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                    auto_file.write({arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)});
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                } catch (const std::ios_base::failure&) {
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                }
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            },
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            [&] {
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                try {
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                    auto_file.ignore(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096));
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                } catch (const std::ios_base::failure&) {
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                }
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            },
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            [&] {
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                auto_file.fclose();
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            },
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            [&] {
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                ReadFromStream(fuzzed_data_provider, auto_file);
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            },
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            [&] {
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                WriteToStream(fuzzed_data_provider, auto_file);
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            });
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    }
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    (void)auto_file.IsNull();
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    if (fuzzed_data_provider.ConsumeBool()) {
  Branch (60:9): [True: 0, False: 0]

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        FILE* f = auto_file.release();
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        if (f != nullptr) {
  Branch (62:13): [True: 0, False: 0]

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            fclose(f);
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        }
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    }
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}