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// basic_regex(const charT* p);
14
15#include <regex>
16#include <cassert>
17#include "test_macros.h"
18
19template <class CharT>
20void
21test(const CharT* p, unsigned mc)
22{
23 std::basic_regex<CharT> r(p);
24 assert(r.flags() == std::regex_constants::ECMAScript);
25 assert(r.mark_count() == mc);
26}
27
28int main(int, char**)
29{
30 test(p: "\\(a\\)", mc: 0);
31 test("\\(a[bc]\\)", 0);
32 test("\\(a\\([bc]\\)\\)", 0);
33 test("(a([bc]))", 2);
34
35 return 0;
36}
37

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