1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <regex> 11 12 // template <class BidirectionalIterator, class Allocator, class charT, class traits> 13 // bool 14 // regex_search(BidirectionalIterator first, BidirectionalIterator last, 15 // match_results<BidirectionalIterator, Allocator>& m, 16 // const basic_regex<charT, traits>& e, 17 // regex_constants::match_flag_type flags = regex_constants::match_default); 18 19 #include <regex> 20 #include <cassert> 21 22 #include "test_macros.h" 23 #include "test_iterators.h" 24 25 extern "C" void LLVMFuzzerTestOneInput(const char *data) 26 { 27 #ifndef TEST_HAS_NO_EXCEPTIONS 28 size_t size = strlen(data); 29 if (size > 0) 30 { 31 try 32 { 33 std::regex::flag_type flag = std::regex_constants::grep; 34 std::string s((const char *)data, size); 35 std::regex re(s, flag); 36 TEST_IGNORE_NODISCARD std::regex_match(s, re); 37 } 38 catch (std::regex_error &) {} 39 } 40 #else 41 ((void)data); 42 #endif 43 } 44 45 46 void fuzz_tests() // patterns that the fuzzer has found 47 { 48 // Raw string literals are a C++11 feature. 49 #if TEST_STD_VER >= 11 50 LLVMFuzzerTestOneInput(R"XX()_%()()((\8'_%()_%()_%()_%(()_%()_%()_%(.t;)()f()_%()(.)_%;)()!f(((()()XX"); 51 #endif 52 } 53 54 int main() 55 { 56 { 57 std::cmatch m; 58 const char s[] = "tournament"; 59 assert(std::regex_search(s, m, std::regex("tour\nto\ntournament", 60 std::regex_constants::grep))); 61 assert(m.size() == 1); 62 assert(!m.prefix().matched); 63 assert(m.prefix().first == s); 64 assert(m.prefix().second == m[0].first); 65 assert(!m.suffix().matched); 66 assert(m.suffix().first == m[0].second); 67 assert(m.suffix().second == s + std::char_traits<char>::length(s)); 68 assert(m.length(0) == 10); 69 assert(m.position(0) == 0); 70 assert(m.str(0) == "tournament"); 71 } 72 { 73 std::cmatch m; 74 const char s[] = "ment"; 75 assert(std::regex_search(s, m, std::regex("tour\n\ntournament", 76 std::regex_constants::grep))); 77 assert(m.size() == 1); 78 assert(!m.prefix().matched); 79 assert(m.prefix().first == s); 80 assert(m.prefix().second == m[0].first); 81 assert(m.suffix().matched); 82 assert(m.suffix().first == m[0].second); 83 assert(m.suffix().second == s + std::char_traits<char>::length(s)); 84 assert(m.length(0) == 0); 85 assert(m.position(0) == 0); 86 assert(m.str(0) == ""); 87 } 88 fuzz_tests(); 89 } 90
