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 // class match_results<BidirectionalIterator, Allocator> 13 14 // const_reference operator[](size_type n) const; 15 16 #include <regex> 17 #include <cassert> 18 #include "test_macros.h" 19 20 void 21 test(std::regex_constants::syntax_option_type syntax) 22 { 23 std::match_results<const char*> m; 24 const char s[] = "abcdefghijk"; 25 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi|(z)", syntax))); 26 27 assert(m.size() == 4); 28 29 assert(m[0].first == s+2); 30 assert(m[0].second == s+9); 31 assert(m[0].matched == true); 32 33 assert(m[1].first == s+4); 34 assert(m[1].second == s+7); 35 assert(m[1].matched == true); 36 37 assert(m[2].first == s+4); 38 assert(m[2].second == s+5); 39 assert(m[2].matched == true); 40 41 assert(m[3].first == s+11); 42 assert(m[3].second == s+11); 43 assert(m[3].matched == false); 44 45 assert(m[4].first == s+11); 46 assert(m[4].second == s+11); 47 assert(m[4].matched == false); 48 } 49 50 int main() 51 { 52 test(std::regex_constants::ECMAScript); 53 test(std::regex_constants::extended); 54 } 55
