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tests: Add fuzzing harness for functions/classes in flatfile.h

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This commit is contained in:
practicalswift
2020-03-27 14:12:11 +00:00
parent bdc2644b72
commit a16ea051f9
2 changed files with 37 additions and 0 deletions
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7
src/Makefile.test.include
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@@ -35,6 +35,7 @@ FUZZ_TARGETS = \
test/fuzz/fee_rate \ test/fuzz/fee_rate \
test/fuzz/fee_rate_deserialize \ test/fuzz/fee_rate_deserialize \
test/fuzz/flat_file_pos_deserialize \ test/fuzz/flat_file_pos_deserialize \
test/fuzz/flatfile \
test/fuzz/float \ test/fuzz/float \
test/fuzz/hex \ test/fuzz/hex \
test/fuzz/integer \ test/fuzz/integer \
@@ -480,6 +481,12 @@ test_fuzz_flat_file_pos_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_flat_file_pos_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) test_fuzz_flat_file_pos_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_flat_file_pos_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp test_fuzz_flat_file_pos_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
test_fuzz_flatfile_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_flatfile_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_flatfile_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_flatfile_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_flatfile_SOURCES = $(FUZZ_SUITE) test/fuzz/flatfile.cpp
test_fuzz_float_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) test_fuzz_float_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_float_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) test_fuzz_float_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_float_LDADD = $(FUZZ_SUITE_LD_COMMON) test_fuzz_float_LDADD = $(FUZZ_SUITE_LD_COMMON)

30
src/test/fuzz/flatfile.cpp Normal file
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@@ -0,0 +1,30 @@
// 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 <optional.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <cassert>
#include <cstdint>
#include <string>
#include <vector>
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
Optional<FlatFilePos> flat_file_pos = ConsumeDeserializable<FlatFilePos>(fuzzed_data_provider);
if (!flat_file_pos) {
return;
}
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());
}