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tests: Add fuzzing harness for functions taking floating-point types as input

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This commit is contained in:
practicalswift 2020-01-23 17:26:19 +00:00
parent c2bd588860
commit 3c82b92d2e
2 changed files with 49 additions and 0 deletions
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7
src/Makefile.test.include
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@ -29,6 +29,7 @@ FUZZ_TARGETS = \
test/fuzz/eval_script \
test/fuzz/fee_rate_deserialize \
test/fuzz/flat_file_pos_deserialize \
test/fuzz/float \
test/fuzz/hex \
test/fuzz/integer \
test/fuzz/inv_deserialize \
@ -387,6 +388,12 @@ 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_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
test_fuzz_float_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_float_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_float_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_float_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_float_SOURCES = $(FUZZ_SUITE) test/fuzz/float.cpp
test_fuzz_hex_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_hex_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_hex_LDADD = $(FUZZ_SUITE_LD_COMMON)

42
src/test/fuzz/float.cpp Normal file
View file

@ -0,0 +1,42 @@
// 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 <memusage.h>
#include <serialize.h>
#include <streams.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <version.h>
#include <cassert>
#include <cstdint>
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
{
const double d = fuzzed_data_provider.ConsumeFloatingPoint<double>();
(void)memusage::DynamicUsage(d);
assert(ser_uint64_to_double(ser_double_to_uint64(d)) == d);
CDataStream stream(SER_NETWORK, INIT_PROTO_VERSION);
stream << d;
double d_deserialized;
stream >> d_deserialized;
assert(d == d_deserialized);
}
{
const float f = fuzzed_data_provider.ConsumeFloatingPoint<float>();
(void)memusage::DynamicUsage(f);
assert(ser_uint32_to_float(ser_float_to_uint32(f)) == f);
CDataStream stream(SER_NETWORK, INIT_PROTO_VERSION);
stream << f;
float f_deserialized;
stream >> f_deserialized;
assert(f == f_deserialized);
}
}