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 charT, class traits = regex_traits<charT>> class basic_regex; 13 14// template <class ForwardIterator> 15// basic_regex(ForwardIterator first, ForwardIterator last, 16// flag_type f = regex_constants::ECMAScript); 17 18#include <regex> 19#include <cassert> 20 21#include "test_iterators.h" 22 23template <class Iter> 24void 25test(Iter first, Iter last, std::regex_constants::syntax_option_type f, unsigned mc) 26{ 27 std::basic_regex<typename std::iterator_traits<Iter>::value_type> r(first, last, f); 28 assert(r.flags() == f); 29 assert(r.mark_count() == mc); 30} 31 32int main() 33{ 34 typedef forward_iterator<std::string::const_iterator> F; 35 std::string s1("\\(a\\)"); 36 std::string s2("\\(a[bc]\\)"); 37 std::string s3("\\(a\\([bc]\\)\\)"); 38 std::string s4("(a([bc]))"); 39 40 test(F(s1.begin()), F(s1.end()), std::regex_constants::basic, 1); 41 test(F(s2.begin()), F(s2.end()), std::regex_constants::basic, 1); 42 test(F(s3.begin()), F(s3.end()), std::regex_constants::basic, 2); 43 test(F(s4.begin()), F(s4.end()), std::regex_constants::basic, 0); 44 45 test(F(s1.begin()), F(s1.end()), std::regex_constants::extended, 0); 46 test(F(s2.begin()), F(s2.end()), std::regex_constants::extended, 0); 47 test(F(s3.begin()), F(s3.end()), std::regex_constants::extended, 0); 48 test(F(s4.begin()), F(s4.end()), std::regex_constants::extended, 2); 49 50 test(F(s1.begin()), F(s1.end()), std::regex_constants::ECMAScript, 0); 51 test(F(s2.begin()), F(s2.end()), std::regex_constants::ECMAScript, 0); 52 test(F(s3.begin()), F(s3.end()), std::regex_constants::ECMAScript, 0); 53 test(F(s4.begin()), F(s4.end()), std::regex_constants::ECMAScript, 2); 54 55 test(F(s1.begin()), F(s1.end()), std::regex_constants::awk, 0); 56 test(F(s2.begin()), F(s2.end()), std::regex_constants::awk, 0); 57 test(F(s3.begin()), F(s3.end()), std::regex_constants::awk, 0); 58 test(F(s4.begin()), F(s4.end()), std::regex_constants::awk, 2); 59 60 test(F(s1.begin()), F(s1.end()), std::regex_constants::grep, 1); 61 test(F(s2.begin()), F(s2.end()), std::regex_constants::grep, 1); 62 test(F(s3.begin()), F(s3.end()), std::regex_constants::grep, 2); 63 test(F(s4.begin()), F(s4.end()), std::regex_constants::grep, 0); 64 65 test(F(s1.begin()), F(s1.end()), std::regex_constants::egrep, 0); 66 test(F(s2.begin()), F(s2.end()), std::regex_constants::egrep, 0); 67 test(F(s3.begin()), F(s3.end()), std::regex_constants::egrep, 0); 68 test(F(s4.begin()), F(s4.end()), std::regex_constants::egrep, 2); 69} 70