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tests: Add fuzzing harness for various CTxOut related functions

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practicalswift
2019-10-09 13:14:52 +00:00
parent ce935292c0
commit e75ecb91c7
2 changed files with 42 additions and 0 deletions
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7
src/Makefile.test.include
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@@ -49,6 +49,7 @@ FUZZ_TARGETS = \
test/fuzz/transaction \ test/fuzz/transaction \
test/fuzz/tx_in \ test/fuzz/tx_in \
test/fuzz/tx_in_deserialize \ test/fuzz/tx_in_deserialize \
test/fuzz/tx_out \
test/fuzz/txoutcompressor_deserialize \ test/fuzz/txoutcompressor_deserialize \
test/fuzz/txundo_deserialize test/fuzz/txundo_deserialize
@@ -504,6 +505,12 @@ test_fuzz_tx_in_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_tx_in_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) test_fuzz_tx_in_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_tx_in_LDADD = $(FUZZ_SUITE_LD_COMMON) test_fuzz_tx_in_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_tx_out_SOURCES = $(FUZZ_SUITE) test/fuzz/tx_out.cpp
test_fuzz_tx_out_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_tx_out_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_tx_out_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_tx_out_LDADD = $(FUZZ_SUITE_LD_COMMON)
endif # ENABLE_FUZZ endif # ENABLE_FUZZ
nodist_test_test_bitcoin_SOURCES = $(GENERATED_TEST_FILES) nodist_test_test_bitcoin_SOURCES = $(GENERATED_TEST_FILES)

35
src/test/fuzz/tx_out.cpp Normal file
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@@ -0,0 +1,35 @@
// Copyright (c) 2019 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 <consensus/validation.h>
#include <core_memusage.h>
#include <policy/policy.h>
#include <primitives/transaction.h>
#include <streams.h>
#include <test/fuzz/fuzz.h>
#include <version.h>
void test_one_input(const std::vector<uint8_t>& buffer)
{
CDataStream ds(buffer, SER_NETWORK, INIT_PROTO_VERSION);
CTxOut tx_out;
try {
int version;
ds >> version;
ds.SetVersion(version);
ds >> tx_out;
} catch (const std::ios_base::failure&) {
return;
}
const CFeeRate dust_relay_fee{DUST_RELAY_TX_FEE};
(void)GetDustThreshold(tx_out, dust_relay_fee);
(void)IsDust(tx_out, dust_relay_fee);
(void)RecursiveDynamicUsage(tx_out);
(void)tx_out.ToString();
(void)tx_out.IsNull();
tx_out.SetNull();
assert(tx_out.IsNull());
}