| // -*- C++ -*- |
| //===------------------------ unique_copy.cpp -----------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| #include <random> |
| #include <cstdint> |
| |
| #include "fuzzer_test.h" |
| |
| template <class Distribution> |
| int random_distribution_helper(const uint8_t *data, size_t size) { |
| std::mt19937 engine; |
| using ParamT = typename Distribution::param_type; |
| if (size < sizeof(double)) |
| return 0; |
| double Arg; |
| memcpy(&Arg, data, sizeof(double)); |
| ParamT p(Arg); |
| Distribution d(p); |
| for (int I=0; I < 1000; ++I) { |
| volatile auto res = d(engine); |
| ((void)res); |
| } |
| return 0; |
| } |
| |
| int FuzzRandom(const uint8_t *Data, size_t Size) { |
| return random_distribution_helper<std::geometric_distribution<std::int16_t>>(Data, Size); |
| } |
| FUZZER_TEST(FuzzRandom); |
| |
| |