| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // UNSUPPORTED: c++03, c++11 |
| 10 | |
| 11 | #include <algorithm> |
| 12 | #include <cstddef> |
| 13 | #include <cstdint> |
| 14 | #include <vector> |
| 15 | |
| 16 | #include "fuzz.h" |
| 17 | |
| 18 | extern "C"int LLVMFuzzerTestOneInput(const std::uint8_t *data, std::size_t size) { |
| 19 | if (size < 2) |
| 20 | return 0; |
| 21 | std::vector<std::uint8_t> working(data, data + size); |
| 22 | std::make_heap(first: working.begin(), last: working.end()); |
| 23 | |
| 24 | // Pop things off, one at a time |
| 25 | auto iter = --working.end(); |
| 26 | while (iter != working.begin()) { |
| 27 | std::pop_heap(first: working.begin(), last: iter); |
| 28 | if (!std::is_heap(first: working.begin(), last: --iter)) |
| 29 | return 2; |
| 30 | } |
| 31 | |
| 32 | return 0; |
| 33 | } |
| 34 |