43 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <regex>10 11// template <class charT, class traits = regex_traits<charT>> class basic_regex;12 13// basic_regex(const charT* p, size_t len);14 15#include <regex>16#include <cassert>17 18#include "test_macros.h"19 20template <class CharT>21void22test(const CharT* p, std::size_t len, unsigned mc)23{24 std::basic_regex<CharT> r(p, len);25 assert(r.flags() == std::regex_constants::ECMAScript);26 assert(r.mark_count() == mc);27}28 29int main(int, char**)30{31 test("\\(a\\)", 5, 0);32 test("\\(a[bc]\\)", 9, 0);33 test("\\(a\\([bc]\\)\\)", 13, 0);34 test("(a([bc]))", 9, 2);35 36 test("(\0)(b)(c)(d)", 12, 4);37 test("(\0)(b)(c)(d)", 9, 3);38 test("(\0)(b)(c)(d)", 3, 1);39 test("(\0)(b)(c)(d)", 0, 0);40 41 return 0;42}43