|
| 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> |
| 25 | +#include <vector> |
| 26 | +#include <map> |
| 27 | +#include <chrono> |
| 28 | + |
| 29 | +#include "fuzzing.h" |
| 30 | + |
| 31 | +typedef int (*FuzzProc) (const uint8_t *data, size_t size); |
| 32 | + |
| 33 | +const std::map<std::string, FuzzProc> procs = { |
| 34 | + {"sort", fuzzing::sort}, |
| 35 | + {"stable_sort", fuzzing::stable_sort}, |
| 36 | + {"partition", fuzzing::partition}, |
| 37 | + {"partition_copy", fuzzing::partition_copy}, |
| 38 | + {"stable_partition", fuzzing::stable_partition}, |
| 39 | + {"unique", fuzzing::unique}, |
| 40 | + {"unique_copy", fuzzing::unique_copy}, |
| 41 | + {"nth_element", fuzzing::nth_element}, |
| 42 | + {"partial_sort", fuzzing::partial_sort}, |
| 43 | + {"partial_sort_copy", fuzzing::partial_sort_copy}, |
| 44 | + {"make_heap", fuzzing::make_heap}, |
| 45 | + {"push_heap", fuzzing::push_heap}, |
| 46 | + {"pop_heap", fuzzing::pop_heap}, |
| 47 | + {"regex_ECMAScript", fuzzing::regex_ECMAScript}, |
| 48 | + {"regex_POSIX", fuzzing::regex_POSIX}, |
| 49 | + {"regex_extended", fuzzing::regex_extended}, |
| 50 | + {"regex_awk", fuzzing::regex_awk}, |
| 51 | + {"regex_grep", fuzzing::regex_grep}, |
| 52 | + {"regex_egrep", fuzzing::regex_egrep}, |
| 53 | + {"search", fuzzing::search} |
| 54 | +}; |
| 55 | + |
| 56 | + |
| 57 | + |
| 58 | +bool verbose = false; |
| 59 | + |
| 60 | +void test_one(const char *filename, FuzzProc fp) |
| 61 | +{ |
| 62 | + std::vector<uint8_t> v; |
| 63 | + std::ifstream f (filename, std::ios::binary); |
| 64 | + if (!f.is_open()) |
| 65 | + std::cerr << "## Can't open '" << filename << "'" << std::endl; |
| 66 | + else { |
| 67 | + typedef std::istream_iterator<uint8_t> Iter; |
| 68 | + std::copy(Iter(f), Iter(), std::back_inserter(v)); |
| 69 | + if (verbose) |
| 70 | + std::cout << "File '" << filename << "' contains " << v.size() << " entries" << std::endl; |
| 71 | + const auto start_time = std::chrono::steady_clock::now(); |
| 72 | + int ret = fp (v.data(), v.size()); |
| 73 | + const auto finish_time = std::chrono::steady_clock::now(); |
| 74 | + if (ret != 0) |
| 75 | + std::cerr << "## Failure code: " << ret << std::endl; |
| 76 | + if (verbose) |
| 77 | + std::cout << "Execution time: " |
| 78 | + << std::chrono::duration_cast<std::chrono::milliseconds>(finish_time - start_time).count() |
| 79 | + << " milliseconds" << std::endl; |
| 80 | + } |
| 81 | +} |
| 82 | + |
| 83 | +void usage (const char *name) |
| 84 | +{ |
| 85 | + std::cout << "Usage: " << name << " -r proc [-v] files..." << std::endl; |
| 86 | + std::cout << "Supported routines:" << std::endl; |
| 87 | + for (const auto &p : procs) |
| 88 | + std::cout << " " << p.first << std::endl; |
| 89 | + std::cout << std::endl; |
| 90 | +} |
| 91 | + |
| 92 | +// Poor man's command-line options |
| 93 | +const std::string dashR("-r"); |
| 94 | +const std::string dashV("-v"); |
| 95 | + |
| 96 | +int main(int argc, char *argv[]) |
| 97 | +{ |
| 98 | + if (argc < 4 || dashR != argv[1] || procs.find(argv[2]) == procs.end()) |
| 99 | + usage(argv[0]); |
| 100 | + else { |
| 101 | + FuzzProc fp = procs.find(argv[2])->second; |
| 102 | + int firstFile = 3; |
| 103 | + if (dashV == argv[firstFile]) |
| 104 | + { |
| 105 | + verbose = true; |
| 106 | + ++firstFile; |
| 107 | + } |
| 108 | + for (int i = firstFile; i < argc; ++i) |
| 109 | + test_one(argv[i], fp); |
| 110 | + } |
| 111 | +} |
0 commit comments