diff options
Diffstat (limited to 'src/test/fuzz/util.h')
| -rw-r--r-- | src/test/fuzz/util.h | 299 |
1 files changed, 161 insertions, 138 deletions
diff --git a/src/test/fuzz/util.h b/src/test/fuzz/util.h index 481ffa3da4..7a2dcfe84a 100644 --- a/src/test/fuzz/util.h +++ b/src/test/fuzz/util.h @@ -22,10 +22,12 @@ #include <streams.h> #include <test/fuzz/FuzzedDataProvider.h> #include <test/fuzz/fuzz.h> +#include <test/util/net.h> #include <test/util/setup_common.h> #include <txmempool.h> #include <uint256.h> #include <util/time.h> +#include <util/vector.h> #include <version.h> #include <algorithm> @@ -35,23 +37,34 @@ #include <string> #include <vector> -NODISCARD inline std::vector<uint8_t> ConsumeRandomLengthByteVector(FuzzedDataProvider& fuzzed_data_provider, const size_t max_length = 4096) noexcept +template <typename... Callables> +void CallOneOf(FuzzedDataProvider& fuzzed_data_provider, Callables... callables) +{ + constexpr size_t call_size{sizeof...(callables)}; + static_assert(call_size >= 1); + const size_t call_index{fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, call_size - 1)}; + + size_t i{0}; + return ((i++ == call_index ? callables() : void()), ...); +} + +[[nodiscard]] inline std::vector<uint8_t> ConsumeRandomLengthByteVector(FuzzedDataProvider& fuzzed_data_provider, const size_t max_length = 4096) noexcept { const std::string s = fuzzed_data_provider.ConsumeRandomLengthString(max_length); return {s.begin(), s.end()}; } -NODISCARD inline std::vector<bool> ConsumeRandomLengthBitVector(FuzzedDataProvider& fuzzed_data_provider, const size_t max_length = 4096) noexcept +[[nodiscard]] inline std::vector<bool> ConsumeRandomLengthBitVector(FuzzedDataProvider& fuzzed_data_provider, const size_t max_length = 4096) noexcept { return BytesToBits(ConsumeRandomLengthByteVector(fuzzed_data_provider, max_length)); } -NODISCARD inline CDataStream ConsumeDataStream(FuzzedDataProvider& fuzzed_data_provider, const size_t max_length = 4096) noexcept +[[nodiscard]] inline CDataStream ConsumeDataStream(FuzzedDataProvider& fuzzed_data_provider, const size_t max_length = 4096) noexcept { return CDataStream{ConsumeRandomLengthByteVector(fuzzed_data_provider, max_length), SER_NETWORK, INIT_PROTO_VERSION}; } -NODISCARD inline std::vector<std::string> ConsumeRandomLengthStringVector(FuzzedDataProvider& fuzzed_data_provider, const size_t max_vector_size = 16, const size_t max_string_length = 16) noexcept +[[nodiscard]] inline std::vector<std::string> ConsumeRandomLengthStringVector(FuzzedDataProvider& fuzzed_data_provider, const size_t max_vector_size = 16, const size_t max_string_length = 16) noexcept { const size_t n_elements = fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, max_vector_size); std::vector<std::string> r; @@ -62,7 +75,7 @@ NODISCARD inline std::vector<std::string> ConsumeRandomLengthStringVector(Fuzzed } template <typename T> -NODISCARD inline std::vector<T> ConsumeRandomLengthIntegralVector(FuzzedDataProvider& fuzzed_data_provider, const size_t max_vector_size = 16) noexcept +[[nodiscard]] inline std::vector<T> ConsumeRandomLengthIntegralVector(FuzzedDataProvider& fuzzed_data_provider, const size_t max_vector_size = 16) noexcept { const size_t n_elements = fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, max_vector_size); std::vector<T> r; @@ -73,7 +86,7 @@ NODISCARD inline std::vector<T> ConsumeRandomLengthIntegralVector(FuzzedDataProv } template <typename T> -NODISCARD inline std::optional<T> ConsumeDeserializable(FuzzedDataProvider& fuzzed_data_provider, const size_t max_length = 4096) noexcept +[[nodiscard]] inline std::optional<T> ConsumeDeserializable(FuzzedDataProvider& fuzzed_data_provider, const size_t max_length = 4096) noexcept { const std::vector<uint8_t> buffer = ConsumeRandomLengthByteVector(fuzzed_data_provider, max_length); CDataStream ds{buffer, SER_NETWORK, INIT_PROTO_VERSION}; @@ -86,35 +99,44 @@ NODISCARD inline std::optional<T> ConsumeDeserializable(FuzzedDataProvider& fuzz return obj; } -NODISCARD inline opcodetype ConsumeOpcodeType(FuzzedDataProvider& fuzzed_data_provider) noexcept +template <typename WeakEnumType, size_t size> +[[nodiscard]] WeakEnumType ConsumeWeakEnum(FuzzedDataProvider& fuzzed_data_provider, const WeakEnumType (&all_types)[size]) noexcept +{ + return fuzzed_data_provider.ConsumeBool() ? + fuzzed_data_provider.PickValueInArray<WeakEnumType>(all_types) : + WeakEnumType(fuzzed_data_provider.ConsumeIntegral<typename std::underlying_type<WeakEnumType>::type>()); +} + +[[nodiscard]] inline opcodetype ConsumeOpcodeType(FuzzedDataProvider& fuzzed_data_provider) noexcept { return static_cast<opcodetype>(fuzzed_data_provider.ConsumeIntegralInRange<uint32_t>(0, MAX_OPCODE)); } -NODISCARD inline CAmount ConsumeMoney(FuzzedDataProvider& fuzzed_data_provider) noexcept +[[nodiscard]] inline CAmount ConsumeMoney(FuzzedDataProvider& fuzzed_data_provider) noexcept { return fuzzed_data_provider.ConsumeIntegralInRange<CAmount>(0, MAX_MONEY); } -NODISCARD inline int64_t ConsumeTime(FuzzedDataProvider& fuzzed_data_provider) noexcept +[[nodiscard]] inline int64_t ConsumeTime(FuzzedDataProvider& fuzzed_data_provider) noexcept { - static const int64_t time_min = ParseISO8601DateTime("1970-01-01T00:00:00Z"); + // Avoid t=0 (1970-01-01T00:00:00Z) since SetMockTime(0) is a no-op. + static const int64_t time_min = ParseISO8601DateTime("1970-01-01T00:00:01Z"); static const int64_t time_max = ParseISO8601DateTime("9999-12-31T23:59:59Z"); return fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(time_min, time_max); } -NODISCARD inline CScript ConsumeScript(FuzzedDataProvider& fuzzed_data_provider) noexcept +[[nodiscard]] inline CScript ConsumeScript(FuzzedDataProvider& fuzzed_data_provider) noexcept { const std::vector<uint8_t> b = ConsumeRandomLengthByteVector(fuzzed_data_provider); return {b.begin(), b.end()}; } -NODISCARD inline CScriptNum ConsumeScriptNum(FuzzedDataProvider& fuzzed_data_provider) noexcept +[[nodiscard]] inline CScriptNum ConsumeScriptNum(FuzzedDataProvider& fuzzed_data_provider) noexcept { return CScriptNum{fuzzed_data_provider.ConsumeIntegral<int64_t>()}; } -NODISCARD inline uint160 ConsumeUInt160(FuzzedDataProvider& fuzzed_data_provider) noexcept +[[nodiscard]] inline uint160 ConsumeUInt160(FuzzedDataProvider& fuzzed_data_provider) noexcept { const std::vector<uint8_t> v160 = fuzzed_data_provider.ConsumeBytes<uint8_t>(160 / 8); if (v160.size() != 160 / 8) { @@ -123,7 +145,7 @@ NODISCARD inline uint160 ConsumeUInt160(FuzzedDataProvider& fuzzed_data_provider return uint160{v160}; } -NODISCARD inline uint256 ConsumeUInt256(FuzzedDataProvider& fuzzed_data_provider) noexcept +[[nodiscard]] inline uint256 ConsumeUInt256(FuzzedDataProvider& fuzzed_data_provider) noexcept { const std::vector<uint8_t> v256 = fuzzed_data_provider.ConsumeBytes<uint8_t>(256 / 8); if (v256.size() != 256 / 8) { @@ -132,12 +154,12 @@ NODISCARD inline uint256 ConsumeUInt256(FuzzedDataProvider& fuzzed_data_provider return uint256{v256}; } -NODISCARD inline arith_uint256 ConsumeArithUInt256(FuzzedDataProvider& fuzzed_data_provider) noexcept +[[nodiscard]] inline arith_uint256 ConsumeArithUInt256(FuzzedDataProvider& fuzzed_data_provider) noexcept { return UintToArith256(ConsumeUInt256(fuzzed_data_provider)); } -NODISCARD inline CTxMemPoolEntry ConsumeTxMemPoolEntry(FuzzedDataProvider& fuzzed_data_provider, const CTransaction& tx) noexcept +[[nodiscard]] inline CTxMemPoolEntry ConsumeTxMemPoolEntry(FuzzedDataProvider& fuzzed_data_provider, const CTransaction& tx) noexcept { // Avoid: // policy/feerate.cpp:28:34: runtime error: signed integer overflow: 34873208148477500 * 1000 cannot be represented in type 'long' @@ -152,45 +174,39 @@ NODISCARD inline CTxMemPoolEntry ConsumeTxMemPoolEntry(FuzzedDataProvider& fuzze return CTxMemPoolEntry{MakeTransactionRef(tx), fee, time, entry_height, spends_coinbase, sig_op_cost, {}}; } -NODISCARD inline CTxDestination ConsumeTxDestination(FuzzedDataProvider& fuzzed_data_provider) noexcept +[[nodiscard]] inline CTxDestination ConsumeTxDestination(FuzzedDataProvider& fuzzed_data_provider) noexcept { CTxDestination tx_destination; - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 5)) { - case 0: { - tx_destination = CNoDestination{}; - break; - } - case 1: { - tx_destination = PKHash{ConsumeUInt160(fuzzed_data_provider)}; - break; - } - case 2: { - tx_destination = ScriptHash{ConsumeUInt160(fuzzed_data_provider)}; - break; - } - case 3: { - tx_destination = WitnessV0ScriptHash{ConsumeUInt256(fuzzed_data_provider)}; - break; - } - case 4: { - tx_destination = WitnessV0KeyHash{ConsumeUInt160(fuzzed_data_provider)}; - break; - } - case 5: { - WitnessUnknown witness_unknown{}; - witness_unknown.version = fuzzed_data_provider.ConsumeIntegral<int>(); - const std::vector<uint8_t> witness_unknown_program_1 = fuzzed_data_provider.ConsumeBytes<uint8_t>(40); - witness_unknown.length = witness_unknown_program_1.size(); - std::copy(witness_unknown_program_1.begin(), witness_unknown_program_1.end(), witness_unknown.program); - tx_destination = witness_unknown; - break; - } - } + CallOneOf( + fuzzed_data_provider, + [&] { + tx_destination = CNoDestination{}; + }, + [&] { + tx_destination = PKHash{ConsumeUInt160(fuzzed_data_provider)}; + }, + [&] { + tx_destination = ScriptHash{ConsumeUInt160(fuzzed_data_provider)}; + }, + [&] { + tx_destination = WitnessV0ScriptHash{ConsumeUInt256(fuzzed_data_provider)}; + }, + [&] { + tx_destination = WitnessV0KeyHash{ConsumeUInt160(fuzzed_data_provider)}; + }, + [&] { + WitnessUnknown witness_unknown{}; + witness_unknown.version = fuzzed_data_provider.ConsumeIntegral<uint32_t>(); + const std::vector<uint8_t> witness_unknown_program_1 = fuzzed_data_provider.ConsumeBytes<uint8_t>(40); + witness_unknown.length = witness_unknown_program_1.size(); + std::copy(witness_unknown_program_1.begin(), witness_unknown_program_1.end(), witness_unknown.program); + tx_destination = witness_unknown; + }); return tx_destination; } template <typename T> -NODISCARD bool MultiplicationOverflow(const T i, const T j) noexcept +[[nodiscard]] bool MultiplicationOverflow(const T i, const T j) noexcept { static_assert(std::is_integral<T>::value, "Integral required."); if (std::numeric_limits<T>::is_signed) { @@ -213,7 +229,7 @@ NODISCARD bool MultiplicationOverflow(const T i, const T j) noexcept } template <class T> -NODISCARD bool AdditionOverflow(const T i, const T j) noexcept +[[nodiscard]] bool AdditionOverflow(const T i, const T j) noexcept { static_assert(std::is_integral<T>::value, "Integral required."); if (std::numeric_limits<T>::is_signed) { @@ -223,7 +239,7 @@ NODISCARD bool AdditionOverflow(const T i, const T j) noexcept return std::numeric_limits<T>::max() - i < j; } -NODISCARD inline bool ContainsSpentInput(const CTransaction& tx, const CCoinsViewCache& inputs) noexcept +[[nodiscard]] inline bool ContainsSpentInput(const CTransaction& tx, const CCoinsViewCache& inputs) noexcept { for (const CTxIn& tx_in : tx.vin) { const Coin& coin = inputs.AccessCoin(tx_in.prevout); @@ -238,7 +254,7 @@ NODISCARD inline bool ContainsSpentInput(const CTransaction& tx, const CCoinsVie * Returns a byte vector of specified size regardless of the number of remaining bytes available * from the fuzzer. Pads with zero value bytes if needed to achieve the specified size. */ -NODISCARD inline std::vector<uint8_t> ConsumeFixedLengthByteVector(FuzzedDataProvider& fuzzed_data_provider, const size_t length) noexcept +[[nodiscard]] inline std::vector<uint8_t> ConsumeFixedLengthByteVector(FuzzedDataProvider& fuzzed_data_provider, const size_t length) noexcept { std::vector<uint8_t> result(length); const std::vector<uint8_t> random_bytes = fuzzed_data_provider.ConsumeBytes<uint8_t>(length); @@ -248,13 +264,13 @@ NODISCARD inline std::vector<uint8_t> ConsumeFixedLengthByteVector(FuzzedDataPro return result; } -CNetAddr ConsumeNetAddr(FuzzedDataProvider& fuzzed_data_provider) noexcept +inline CNetAddr ConsumeNetAddr(FuzzedDataProvider& fuzzed_data_provider) noexcept { const Network network = fuzzed_data_provider.PickValueInArray({Network::NET_IPV4, Network::NET_IPV6, Network::NET_INTERNAL, Network::NET_ONION}); CNetAddr net_addr; if (network == Network::NET_IPV4) { - const in_addr v4_addr = { - .s_addr = fuzzed_data_provider.ConsumeIntegral<uint32_t>()}; + in_addr v4_addr = {}; + v4_addr.s_addr = fuzzed_data_provider.ConsumeIntegral<uint32_t>(); net_addr = CNetAddr{v4_addr}; } else if (network == Network::NET_IPV6) { if (fuzzed_data_provider.remaining_bytes() >= 16) { @@ -270,40 +286,55 @@ CNetAddr ConsumeNetAddr(FuzzedDataProvider& fuzzed_data_provider) noexcept return net_addr; } -CSubNet ConsumeSubNet(FuzzedDataProvider& fuzzed_data_provider) noexcept +inline CSubNet ConsumeSubNet(FuzzedDataProvider& fuzzed_data_provider) noexcept { return {ConsumeNetAddr(fuzzed_data_provider), fuzzed_data_provider.ConsumeIntegral<uint8_t>()}; } -CService ConsumeService(FuzzedDataProvider& fuzzed_data_provider) noexcept +inline CService ConsumeService(FuzzedDataProvider& fuzzed_data_provider) noexcept { return {ConsumeNetAddr(fuzzed_data_provider), fuzzed_data_provider.ConsumeIntegral<uint16_t>()}; } -CAddress ConsumeAddress(FuzzedDataProvider& fuzzed_data_provider) noexcept +inline CAddress ConsumeAddress(FuzzedDataProvider& fuzzed_data_provider) noexcept { - return {ConsumeService(fuzzed_data_provider), static_cast<ServiceFlags>(fuzzed_data_provider.ConsumeIntegral<uint64_t>()), fuzzed_data_provider.ConsumeIntegral<uint32_t>()}; + return {ConsumeService(fuzzed_data_provider), ConsumeWeakEnum(fuzzed_data_provider, ALL_SERVICE_FLAGS), fuzzed_data_provider.ConsumeIntegral<uint32_t>()}; } -CNode ConsumeNode(FuzzedDataProvider& fuzzed_data_provider) noexcept +template <bool ReturnUniquePtr = false> +auto ConsumeNode(FuzzedDataProvider& fuzzed_data_provider, const std::optional<NodeId>& node_id_in = std::nullopt) noexcept { - const NodeId node_id = fuzzed_data_provider.ConsumeIntegral<NodeId>(); - const ServiceFlags local_services = static_cast<ServiceFlags>(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); - const int my_starting_height = fuzzed_data_provider.ConsumeIntegral<int>(); + const NodeId node_id = node_id_in.value_or(fuzzed_data_provider.ConsumeIntegral<NodeId>()); + const ServiceFlags local_services = ConsumeWeakEnum(fuzzed_data_provider, ALL_SERVICE_FLAGS); const SOCKET socket = INVALID_SOCKET; const CAddress address = ConsumeAddress(fuzzed_data_provider); const uint64_t keyed_net_group = fuzzed_data_provider.ConsumeIntegral<uint64_t>(); const uint64_t local_host_nonce = fuzzed_data_provider.ConsumeIntegral<uint64_t>(); const CAddress addr_bind = ConsumeAddress(fuzzed_data_provider); const std::string addr_name = fuzzed_data_provider.ConsumeRandomLengthString(64); - const ConnectionType conn_type = fuzzed_data_provider.PickValueInArray({ConnectionType::INBOUND, ConnectionType::OUTBOUND_FULL_RELAY, ConnectionType::MANUAL, ConnectionType::FEELER, ConnectionType::BLOCK_RELAY, ConnectionType::ADDR_FETCH}); - const bool inbound_onion = fuzzed_data_provider.ConsumeBool(); - return {node_id, local_services, my_starting_height, socket, address, keyed_net_group, local_host_nonce, addr_bind, addr_name, conn_type, inbound_onion}; + const ConnectionType conn_type = fuzzed_data_provider.PickValueInArray(ALL_CONNECTION_TYPES); + const bool inbound_onion{conn_type == ConnectionType::INBOUND ? fuzzed_data_provider.ConsumeBool() : false}; + if constexpr (ReturnUniquePtr) { + return std::make_unique<CNode>(node_id, local_services, socket, address, keyed_net_group, local_host_nonce, addr_bind, addr_name, conn_type, inbound_onion); + } else { + return CNode{node_id, local_services, socket, address, keyed_net_group, local_host_nonce, addr_bind, addr_name, conn_type, inbound_onion}; + } } +inline std::unique_ptr<CNode> ConsumeNodeAsUniquePtr(FuzzedDataProvider& fdp, const std::optional<NodeId>& node_id_in = std::nullopt) { return ConsumeNode<true>(fdp, node_id_in); } + +void FillNode(FuzzedDataProvider& fuzzed_data_provider, CNode& node, bool init_version) noexcept; -void InitializeFuzzingContext(const std::string& chain_name = CBaseChainParams::REGTEST) +template <class T = const BasicTestingSetup> +std::unique_ptr<T> MakeFuzzingContext(const std::string& chain_name = CBaseChainParams::REGTEST, const std::vector<const char*>& extra_args = {}) { - static const BasicTestingSetup basic_testing_setup{chain_name, {"-nodebuglogfile"}}; + // Prepend default arguments for fuzzing + const std::vector<const char*> arguments = Cat( + { + "-nodebuglogfile", + }, + extra_args); + + return MakeUnique<T>(chain_name, arguments); } class FuzzedFileProvider @@ -322,32 +353,26 @@ public: return nullptr; } std::string mode; - switch (m_fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 5)) { - case 0: { - mode = "r"; - break; - } - case 1: { - mode = "r+"; - break; - } - case 2: { - mode = "w"; - break; - } - case 3: { - mode = "w+"; - break; - } - case 4: { - mode = "a"; - break; - } - case 5: { - mode = "a+"; - break; - } - } + CallOneOf( + m_fuzzed_data_provider, + [&] { + mode = "r"; + }, + [&] { + mode = "r+"; + }, + [&] { + mode = "w"; + }, + [&] { + mode = "w+"; + }, + [&] { + mode = "a"; + }, + [&] { + mode = "a+"; + }); #ifdef _GNU_SOURCE const cookie_io_functions_t io_hooks = { FuzzedFileProvider::read, @@ -419,7 +444,7 @@ public: } }; -NODISCARD inline FuzzedFileProvider ConsumeFile(FuzzedDataProvider& fuzzed_data_provider) noexcept +[[nodiscard]] inline FuzzedFileProvider ConsumeFile(FuzzedDataProvider& fuzzed_data_provider) noexcept { return {fuzzed_data_provider}; } @@ -440,71 +465,69 @@ public: } }; -NODISCARD inline FuzzedAutoFileProvider ConsumeAutoFile(FuzzedDataProvider& fuzzed_data_provider) noexcept +[[nodiscard]] inline FuzzedAutoFileProvider ConsumeAutoFile(FuzzedDataProvider& fuzzed_data_provider) noexcept { return {fuzzed_data_provider}; } -#define WRITE_TO_STREAM_CASE(id, type, consume) \ - case id: { \ - type o = consume; \ - stream << o; \ - break; \ +#define WRITE_TO_STREAM_CASE(type, consume) \ + [&] { \ + type o = consume; \ + stream << o; \ } template <typename Stream> void WriteToStream(FuzzedDataProvider& fuzzed_data_provider, Stream& stream) noexcept { while (fuzzed_data_provider.ConsumeBool()) { try { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 13)) { - WRITE_TO_STREAM_CASE(0, bool, fuzzed_data_provider.ConsumeBool()) - WRITE_TO_STREAM_CASE(1, char, fuzzed_data_provider.ConsumeIntegral<char>()) - WRITE_TO_STREAM_CASE(2, int8_t, fuzzed_data_provider.ConsumeIntegral<int8_t>()) - WRITE_TO_STREAM_CASE(3, uint8_t, fuzzed_data_provider.ConsumeIntegral<uint8_t>()) - WRITE_TO_STREAM_CASE(4, int16_t, fuzzed_data_provider.ConsumeIntegral<int16_t>()) - WRITE_TO_STREAM_CASE(5, uint16_t, fuzzed_data_provider.ConsumeIntegral<uint16_t>()) - WRITE_TO_STREAM_CASE(6, int32_t, fuzzed_data_provider.ConsumeIntegral<int32_t>()) - WRITE_TO_STREAM_CASE(7, uint32_t, fuzzed_data_provider.ConsumeIntegral<uint32_t>()) - WRITE_TO_STREAM_CASE(8, int64_t, fuzzed_data_provider.ConsumeIntegral<int64_t>()) - WRITE_TO_STREAM_CASE(9, uint64_t, fuzzed_data_provider.ConsumeIntegral<uint64_t>()) - WRITE_TO_STREAM_CASE(10, float, fuzzed_data_provider.ConsumeFloatingPoint<float>()) - WRITE_TO_STREAM_CASE(11, double, fuzzed_data_provider.ConsumeFloatingPoint<double>()) - WRITE_TO_STREAM_CASE(12, std::string, fuzzed_data_provider.ConsumeRandomLengthString(32)) - WRITE_TO_STREAM_CASE(13, std::vector<char>, ConsumeRandomLengthIntegralVector<char>(fuzzed_data_provider)) - } + CallOneOf( + fuzzed_data_provider, + WRITE_TO_STREAM_CASE(bool, fuzzed_data_provider.ConsumeBool()), + WRITE_TO_STREAM_CASE(char, fuzzed_data_provider.ConsumeIntegral<char>()), + WRITE_TO_STREAM_CASE(int8_t, fuzzed_data_provider.ConsumeIntegral<int8_t>()), + WRITE_TO_STREAM_CASE(uint8_t, fuzzed_data_provider.ConsumeIntegral<uint8_t>()), + WRITE_TO_STREAM_CASE(int16_t, fuzzed_data_provider.ConsumeIntegral<int16_t>()), + WRITE_TO_STREAM_CASE(uint16_t, fuzzed_data_provider.ConsumeIntegral<uint16_t>()), + WRITE_TO_STREAM_CASE(int32_t, fuzzed_data_provider.ConsumeIntegral<int32_t>()), + WRITE_TO_STREAM_CASE(uint32_t, fuzzed_data_provider.ConsumeIntegral<uint32_t>()), + WRITE_TO_STREAM_CASE(int64_t, fuzzed_data_provider.ConsumeIntegral<int64_t>()), + WRITE_TO_STREAM_CASE(uint64_t, fuzzed_data_provider.ConsumeIntegral<uint64_t>()), + WRITE_TO_STREAM_CASE(float, fuzzed_data_provider.ConsumeFloatingPoint<float>()), + WRITE_TO_STREAM_CASE(double, fuzzed_data_provider.ConsumeFloatingPoint<double>()), + WRITE_TO_STREAM_CASE(std::string, fuzzed_data_provider.ConsumeRandomLengthString(32)), + WRITE_TO_STREAM_CASE(std::vector<char>, ConsumeRandomLengthIntegralVector<char>(fuzzed_data_provider))); } catch (const std::ios_base::failure&) { break; } } } -#define READ_FROM_STREAM_CASE(id, type) \ - case id: { \ - type o; \ - stream >> o; \ - break; \ +#define READ_FROM_STREAM_CASE(type) \ + [&] { \ + type o; \ + stream >> o; \ } template <typename Stream> void ReadFromStream(FuzzedDataProvider& fuzzed_data_provider, Stream& stream) noexcept { while (fuzzed_data_provider.ConsumeBool()) { try { - switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 13)) { - READ_FROM_STREAM_CASE(0, bool) - READ_FROM_STREAM_CASE(1, char) - READ_FROM_STREAM_CASE(2, int8_t) - READ_FROM_STREAM_CASE(3, uint8_t) - READ_FROM_STREAM_CASE(4, int16_t) - READ_FROM_STREAM_CASE(5, uint16_t) - READ_FROM_STREAM_CASE(6, int32_t) - READ_FROM_STREAM_CASE(7, uint32_t) - READ_FROM_STREAM_CASE(8, int64_t) - READ_FROM_STREAM_CASE(9, uint64_t) - READ_FROM_STREAM_CASE(10, float) - READ_FROM_STREAM_CASE(11, double) - READ_FROM_STREAM_CASE(12, std::string) - READ_FROM_STREAM_CASE(13, std::vector<char>) - } + CallOneOf( + fuzzed_data_provider, + READ_FROM_STREAM_CASE(bool), + READ_FROM_STREAM_CASE(char), + READ_FROM_STREAM_CASE(int8_t), + READ_FROM_STREAM_CASE(uint8_t), + READ_FROM_STREAM_CASE(int16_t), + READ_FROM_STREAM_CASE(uint16_t), + READ_FROM_STREAM_CASE(int32_t), + READ_FROM_STREAM_CASE(uint32_t), + READ_FROM_STREAM_CASE(int64_t), + READ_FROM_STREAM_CASE(uint64_t), + READ_FROM_STREAM_CASE(float), + READ_FROM_STREAM_CASE(double), + READ_FROM_STREAM_CASE(std::string), + READ_FROM_STREAM_CASE(std::vector<char>)); } catch (const std::ios_base::failure&) { break; } |