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 // basic_regex(const charT* p, flag_type f = regex_constants::ECMAScript); 15 16 #include <regex> 17 #include <cassert> 18 19 template <class CharT> 20 void 21 test(const CharT* p, std::regex_constants::syntax_option_type f, unsigned mc) 22 { 23 std::basic_regex<CharT> r(p, f); 24 assert(r.flags() == f); 25 assert(r.mark_count() == mc); 26 } 27 28 int main() 29 { 30 test("\\(a\\)", std::regex_constants::basic, 1); 31 test("\\(a[bc]\\)", std::regex_constants::basic, 1); 32 test("\\(a\\([bc]\\)\\)", std::regex_constants::basic, 2); 33 test("(a([bc]))", std::regex_constants::basic, 0); 34 35 test("\\(a\\)", std::regex_constants::extended, 0); 36 test("\\(a[bc]\\)", std::regex_constants::extended, 0); 37 test("\\(a\\([bc]\\)\\)", std::regex_constants::extended, 0); 38 test("(a([bc]))", std::regex_constants::extended, 2); 39 40 test("\\(a\\)", std::regex_constants::ECMAScript, 0); 41 test("\\(a[bc]\\)", std::regex_constants::ECMAScript, 0); 42 test("\\(a\\([bc]\\)\\)", std::regex_constants::ECMAScript, 0); 43 test("(a([bc]))", std::regex_constants::ECMAScript, 2); 44 45 test("\\(a\\)", std::regex_constants::awk, 0); 46 test("\\(a[bc]\\)", std::regex_constants::awk, 0); 47 test("\\(a\\([bc]\\)\\)", std::regex_constants::awk, 0); 48 test("(a([bc]))", std::regex_constants::awk, 2); 49 50 test("\\(a\\)", std::regex_constants::grep, 1); 51 test("\\(a[bc]\\)", std::regex_constants::grep, 1); 52 test("\\(a\\([bc]\\)\\)", std::regex_constants::grep, 2); 53 test("(a([bc]))", std::regex_constants::grep, 0); 54 55 test("\\(a\\)", std::regex_constants::egrep, 0); 56 test("\\(a[bc]\\)", std::regex_constants::egrep, 0); 57 test("\\(a\\([bc]\\)\\)", std::regex_constants::egrep, 0); 58 test("(a([bc]))", std::regex_constants::egrep, 2); 59 } 60
