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, size_t len, flag_type f); 15 16#include <regex> 17#include <cassert> 18#include "test_macros.h" 19 20template <class CharT> 21void 22test(const CharT* p, std::size_t len, std::regex_constants::syntax_option_type f, 23 unsigned mc) 24{ 25 std::basic_regex<CharT> r(p, len, f); 26 assert(r.flags() == f); 27 assert(r.mark_count() == mc); 28} 29 30int main() 31{ 32 test("\\(a\\)", 5, std::regex_constants::basic, 1); 33 test("\\(a[bc]\\)", 9, std::regex_constants::basic, 1); 34 test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::basic, 2); 35 test("(a([bc]))", 9, std::regex_constants::basic, 0); 36 37 test("\\(a\\)", 5, std::regex_constants::extended, 0); 38 test("\\(a[bc]\\)", 9, std::regex_constants::extended, 0); 39 test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::extended, 0); 40 test("(a([bc]))", 9, std::regex_constants::extended, 2); 41 42 test("\\(a\\)", 5, std::regex_constants::ECMAScript, 0); 43 test("\\(a[bc]\\)", 9, std::regex_constants::ECMAScript, 0); 44 test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::ECMAScript, 0); 45 test("(a([bc]))", 9, std::regex_constants::ECMAScript, 2); 46 47 test("\\(a\\)", 5, std::regex_constants::awk, 0); 48 test("\\(a[bc]\\)", 9, std::regex_constants::awk, 0); 49 test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::awk, 0); 50 test("(a([bc]))", 9, std::regex_constants::awk, 2); 51 52 test("\\(a\\)", 5, std::regex_constants::grep, 1); 53 test("\\(a[bc]\\)", 9, std::regex_constants::grep, 1); 54 test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::grep, 2); 55 test("(a([bc]))", 9, std::regex_constants::grep, 0); 56 57 test("\\(a\\)", 5, std::regex_constants::egrep, 0); 58 test("\\(a[bc]\\)", 9, std::regex_constants::egrep, 0); 59 test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::egrep, 0); 60 test("(a([bc]))", 9, std::regex_constants::egrep, 2); 61} 62