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-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <regex>
10
11// template <class charT, class traits = regex_traits<charT>> class basic_regex;
12
13// template <class ST, class SA>
14// basic_regex(const basic_string<charT, ST, SA>& s);
15
16#include <regex>
17#include <cassert>
18#include "test_macros.h"
19
20template <class String>
21void
22test(const String& p, unsigned mc)
23{
24 std::basic_regex<typename String::value_type> r(p);
25 assert(r.flags() == std::regex_constants::ECMAScript);
26 assert(r.mark_count() == mc);
27}
28
29int main(int, char**)
30{
31 test(std::string("\\(a\\)"), 0);
32 test(std::string("\\(a[bc]\\)"), 0);
33 test(std::string("\\(a\\([bc]\\)\\)"), 0);
34 test(std::string("(a([bc]))"), 2);
35
36 return 0;
37}
38

source code of libcxx/test/std/re/re.regex/re.regex.construct/string.pass.cpp