1 | // |
2 | // immer: immutable data structures for C++ |
3 | // Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente |
4 | // |
5 | // This software is distributed under the Boost Software License, Version 1.0. |
6 | // See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt |
7 | // |
8 | |
9 | #include "fuzzer_input.hpp" |
10 | #include <immer/set.hpp> |
11 | #include <iostream> |
12 | #include <array> |
13 | |
14 | extern "C" |
15 | int LLVMFuzzerTestOneInput(const std::uint8_t* data, std::size_t size) |
16 | { |
17 | constexpr auto var_count = 4; |
18 | |
19 | using set_t= immer::set<int>; |
20 | |
21 | auto vars = std::array<set_t, var_count>{}; |
22 | |
23 | auto is_valid_var = [&] (auto idx) { |
24 | return idx >= 0 && idx < var_count; |
25 | }; |
26 | |
27 | return fuzzer_input{data, size}.run([&] (auto& in) |
28 | { |
29 | enum ops { |
30 | op_insert, |
31 | op_erase, |
32 | op_insert_move, |
33 | op_erase_move, |
34 | op_iterate |
35 | }; |
36 | auto src = read<char>(in, is_valid_var); |
37 | auto dst = read<char>(in, is_valid_var); |
38 | switch (read<char>(in)) |
39 | { |
40 | case op_insert: { |
41 | auto value = read<size_t>(in); |
42 | vars[dst] = vars[src].insert(value); |
43 | break; |
44 | } |
45 | case op_erase: { |
46 | auto value = read<size_t>(in); |
47 | vars[dst] = vars[src].erase(value); |
48 | break; |
49 | } |
50 | case op_insert_move: { |
51 | auto value = read<size_t>(in); |
52 | vars[dst] = std::move(vars[src]).insert(value); |
53 | break; |
54 | } |
55 | case op_erase_move: { |
56 | auto value = read<size_t>(in); |
57 | vars[dst] = vars[src].erase(value); |
58 | break; |
59 | } |
60 | case op_iterate: { |
61 | auto srcv = vars[src]; |
62 | for(const auto &v : srcv) { |
63 | vars[dst] = vars[dst].insert(v); |
64 | } |
65 | break; |
66 | } |
67 | default: |
68 | break; |
69 | }; |
70 | return true; |
71 | }); |
72 | } |
73 | |