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 #include "test_macros.h" 23 24 template <class Iter> 25 void 26 test(Iter first, Iter last, std::regex_constants::syntax_option_type f, unsigned mc) 27 { 28 std::basic_regex<typename std::iterator_traits<Iter>::value_type> r(first, last, f); 29 assert(r.flags() == f); 30 assert(r.mark_count() == mc); 31 } 32 33 int main() 34 { 35 typedef forward_iterator<std::string::const_iterator> F; 36 std::string s1("\\(a\\)"); 37 std::string s2("\\(a[bc]\\)"); 38 std::string s3("\\(a\\([bc]\\)\\)"); 39 std::string s4("(a([bc]))"); 40 41 test(F(s1.begin()), F(s1.end()), std::regex_constants::basic, 1); 42 test(F(s2.begin()), F(s2.end()), std::regex_constants::basic, 1); 43 test(F(s3.begin()), F(s3.end()), std::regex_constants::basic, 2); 44 test(F(s4.begin()), F(s4.end()), std::regex_constants::basic, 0); 45 46 test(F(s1.begin()), F(s1.end()), std::regex_constants::extended, 0); 47 test(F(s2.begin()), F(s2.end()), std::regex_constants::extended, 0); 48 test(F(s3.begin()), F(s3.end()), std::regex_constants::extended, 0); 49 test(F(s4.begin()), F(s4.end()), std::regex_constants::extended, 2); 50 51 test(F(s1.begin()), F(s1.end()), std::regex_constants::ECMAScript, 0); 52 test(F(s2.begin()), F(s2.end()), std::regex_constants::ECMAScript, 0); 53 test(F(s3.begin()), F(s3.end()), std::regex_constants::ECMAScript, 0); 54 test(F(s4.begin()), F(s4.end()), std::regex_constants::ECMAScript, 2); 55 56 test(F(s1.begin()), F(s1.end()), std::regex_constants::awk, 0); 57 test(F(s2.begin()), F(s2.end()), std::regex_constants::awk, 0); 58 test(F(s3.begin()), F(s3.end()), std::regex_constants::awk, 0); 59 test(F(s4.begin()), F(s4.end()), std::regex_constants::awk, 2); 60 61 test(F(s1.begin()), F(s1.end()), std::regex_constants::grep, 1); 62 test(F(s2.begin()), F(s2.end()), std::regex_constants::grep, 1); 63 test(F(s3.begin()), F(s3.end()), std::regex_constants::grep, 2); 64 test(F(s4.begin()), F(s4.end()), std::regex_constants::grep, 0); 65 66 test(F(s1.begin()), F(s1.end()), std::regex_constants::egrep, 0); 67 test(F(s2.begin()), F(s2.end()), std::regex_constants::egrep, 0); 68 test(F(s3.begin()), F(s3.end()), std::regex_constants::egrep, 0); 69 test(F(s4.begin()), F(s4.end()), std::regex_constants::egrep, 2); 70 } 71
