Marshall Clow | ad7b096 | 2018-01-18 16:52:19 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===------------------------- fuzz_test.cpp ------------------------------===// |
| 3 | // |
| 4 | // The LLVM Compiler Infrastructure |
| 5 | // |
| 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 | // Source Licenses. See LICENSE.TXT for details. |
| 8 | // |
| 9 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | // A simple program for running regressions on the fuzzing routines. |
| 12 | // This code is not part of any shipping product. |
| 13 | // |
| 14 | // To build: |
| 15 | // clang++ -std=c++11 fuzz_test.cpp fuzzing.cpp |
| 16 | // |
| 17 | // To use: |
| 18 | // fuzz_test -r partial_sort [-v] files... |
| 19 | // |
| 20 | // Each file should contain a test case. |
| 21 | |
| 22 | |
| 23 | #include <iostream> |
| 24 | #include <fstream> |
Marshall Clow | 226431c | 2018-01-18 17:01:34 +0000 | [diff] [blame^] | 25 | #include <iterator> |
Marshall Clow | ad7b096 | 2018-01-18 16:52:19 +0000 | [diff] [blame] | 26 | #include <vector> |
| 27 | #include <map> |
| 28 | #include <chrono> |
| 29 | |
| 30 | #include "fuzzing.h" |
| 31 | |
| 32 | typedef int (*FuzzProc) (const uint8_t *data, size_t size); |
| 33 | |
| 34 | const std::map<std::string, FuzzProc> procs = { |
| 35 | {"sort", fuzzing::sort}, |
| 36 | {"stable_sort", fuzzing::stable_sort}, |
| 37 | {"partition", fuzzing::partition}, |
| 38 | {"partition_copy", fuzzing::partition_copy}, |
| 39 | {"stable_partition", fuzzing::stable_partition}, |
| 40 | {"unique", fuzzing::unique}, |
| 41 | {"unique_copy", fuzzing::unique_copy}, |
| 42 | {"nth_element", fuzzing::nth_element}, |
| 43 | {"partial_sort", fuzzing::partial_sort}, |
| 44 | {"partial_sort_copy", fuzzing::partial_sort_copy}, |
| 45 | {"make_heap", fuzzing::make_heap}, |
| 46 | {"push_heap", fuzzing::push_heap}, |
| 47 | {"pop_heap", fuzzing::pop_heap}, |
| 48 | {"regex_ECMAScript", fuzzing::regex_ECMAScript}, |
| 49 | {"regex_POSIX", fuzzing::regex_POSIX}, |
| 50 | {"regex_extended", fuzzing::regex_extended}, |
| 51 | {"regex_awk", fuzzing::regex_awk}, |
| 52 | {"regex_grep", fuzzing::regex_grep}, |
| 53 | {"regex_egrep", fuzzing::regex_egrep}, |
| 54 | {"search", fuzzing::search} |
| 55 | }; |
| 56 | |
| 57 | |
| 58 | |
| 59 | bool verbose = false; |
| 60 | |
| 61 | void test_one(const char *filename, FuzzProc fp) |
| 62 | { |
| 63 | std::vector<uint8_t> v; |
| 64 | std::ifstream f (filename, std::ios::binary); |
| 65 | if (!f.is_open()) |
| 66 | std::cerr << "## Can't open '" << filename << "'" << std::endl; |
| 67 | else { |
| 68 | typedef std::istream_iterator<uint8_t> Iter; |
| 69 | std::copy(Iter(f), Iter(), std::back_inserter(v)); |
| 70 | if (verbose) |
| 71 | std::cout << "File '" << filename << "' contains " << v.size() << " entries" << std::endl; |
Marshall Clow | 226431c | 2018-01-18 17:01:34 +0000 | [diff] [blame^] | 72 | const auto start_time = std::chrono::high_resolution_clock::now(); |
Marshall Clow | ad7b096 | 2018-01-18 16:52:19 +0000 | [diff] [blame] | 73 | int ret = fp (v.data(), v.size()); |
Marshall Clow | 226431c | 2018-01-18 17:01:34 +0000 | [diff] [blame^] | 74 | const auto finish_time = std::chrono::high_resolution_clock::now(); |
Marshall Clow | ad7b096 | 2018-01-18 16:52:19 +0000 | [diff] [blame] | 75 | if (ret != 0) |
| 76 | std::cerr << "## Failure code: " << ret << std::endl; |
| 77 | if (verbose) |
| 78 | std::cout << "Execution time: " |
| 79 | << std::chrono::duration_cast<std::chrono::milliseconds>(finish_time - start_time).count() |
| 80 | << " milliseconds" << std::endl; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | void usage (const char *name) |
| 85 | { |
| 86 | std::cout << "Usage: " << name << " -r proc [-v] files..." << std::endl; |
| 87 | std::cout << "Supported routines:" << std::endl; |
| 88 | for (const auto &p : procs) |
| 89 | std::cout << " " << p.first << std::endl; |
| 90 | std::cout << std::endl; |
| 91 | } |
| 92 | |
| 93 | // Poor man's command-line options |
| 94 | const std::string dashR("-r"); |
| 95 | const std::string dashV("-v"); |
| 96 | |
| 97 | int main(int argc, char *argv[]) |
| 98 | { |
| 99 | if (argc < 4 || dashR != argv[1] || procs.find(argv[2]) == procs.end()) |
| 100 | usage(argv[0]); |
| 101 | else { |
| 102 | FuzzProc fp = procs.find(argv[2])->second; |
| 103 | int firstFile = 3; |
| 104 | if (dashV == argv[firstFile]) |
| 105 | { |
| 106 | verbose = true; |
| 107 | ++firstFile; |
| 108 | } |
| 109 | for (int i = firstFile; i < argc; ++i) |
| 110 | test_one(argv[i], fp); |
| 111 | } |
| 112 | } |