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 #include "test_macros.h" 19 20 template <class CharT> 21 void 22 test(const CharT* p, std::regex_constants::syntax_option_type f, unsigned mc) 23 { 24 std::basic_regex<CharT> r(p, f); 25 assert(r.flags() == f); 26 assert(r.mark_count() == mc); 27 } 28 29 int main() 30 { 31 test("\\(a\\)", std::regex_constants::basic, 1); 32 test("\\(a[bc]\\)", std::regex_constants::basic, 1); 33 test("\\(a\\([bc]\\)\\)", std::regex_constants::basic, 2); 34 test("(a([bc]))", std::regex_constants::basic, 0); 35 36 test("\\(a\\)", std::regex_constants::extended, 0); 37 test("\\(a[bc]\\)", std::regex_constants::extended, 0); 38 test("\\(a\\([bc]\\)\\)", std::regex_constants::extended, 0); 39 test("(a([bc]))", std::regex_constants::extended, 2); 40 41 test("\\(a\\)", std::regex_constants::ECMAScript, 0); 42 test("\\(a[bc]\\)", std::regex_constants::ECMAScript, 0); 43 test("\\(a\\([bc]\\)\\)", std::regex_constants::ECMAScript, 0); 44 test("(a([bc]))", std::regex_constants::ECMAScript, 2); 45 46 test("\\(a\\)", std::regex_constants::awk, 0); 47 test("\\(a[bc]\\)", std::regex_constants::awk, 0); 48 test("\\(a\\([bc]\\)\\)", std::regex_constants::awk, 0); 49 test("(a([bc]))", std::regex_constants::awk, 2); 50 51 test("\\(a\\)", std::regex_constants::grep, 1); 52 test("\\(a[bc]\\)", std::regex_constants::grep, 1); 53 test("\\(a\\([bc]\\)\\)", std::regex_constants::grep, 2); 54 test("(a([bc]))", std::regex_constants::grep, 0); 55 56 test("\\(a\\)", std::regex_constants::egrep, 0); 57 test("\\(a[bc]\\)", std::regex_constants::egrep, 0); 58 test("\\(a\\([bc]\\)\\)", std::regex_constants::egrep, 0); 59 test("(a([bc]))", std::regex_constants::egrep, 2); 60 } 61
