diff options
Diffstat (limited to 'src/test/fuzz/util.h')
-rw-r--r-- | src/test/fuzz/util.h | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/src/test/fuzz/util.h b/src/test/fuzz/util.h index 47f8d3fb27..7004aff420 100644 --- a/src/test/fuzz/util.h +++ b/src/test/fuzz/util.h @@ -13,19 +13,20 @@ #include <streams.h> #include <test/fuzz/FuzzedDataProvider.h> #include <test/fuzz/fuzz.h> +#include <uint256.h> #include <version.h> #include <cstdint> #include <string> #include <vector> -NODISCARD inline std::vector<uint8_t> ConsumeRandomLengthByteVector(FuzzedDataProvider& fuzzed_data_provider, size_t max_length = 4096) noexcept +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<std::string> ConsumeRandomLengthStringVector(FuzzedDataProvider& fuzzed_data_provider, size_t max_vector_size = 16, 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; @@ -36,7 +37,18 @@ NODISCARD inline std::vector<std::string> ConsumeRandomLengthStringVector(Fuzzed } template <typename T> -NODISCARD inline Optional<T> ConsumeDeserializable(FuzzedDataProvider& fuzzed_data_provider, size_t max_length = 4096) 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; + for (size_t i = 0; i < n_elements; ++i) { + r.push_back(fuzzed_data_provider.ConsumeIntegral<T>()); + } + return r; +} + +template <typename T> +NODISCARD inline 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}; @@ -70,8 +82,17 @@ NODISCARD inline CScriptNum ConsumeScriptNum(FuzzedDataProvider& fuzzed_data_pro return CScriptNum{fuzzed_data_provider.ConsumeIntegral<int64_t>()}; } +NODISCARD inline uint256 ConsumeUInt256(FuzzedDataProvider& fuzzed_data_provider) noexcept +{ + const std::vector<unsigned char> v256 = fuzzed_data_provider.ConsumeBytes<unsigned char>(sizeof(uint256)); + if (v256.size() != sizeof(uint256)) { + return {}; + } + return uint256{v256}; +} + template <typename T> -bool MultiplicationOverflow(T i, T j) +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) { |