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();
14
15#include <regex>
16#include <cassert>
17#include "test_macros.h"
18
19template <class CharT>
20void
21test()
22{
23 std::basic_regex<CharT> r;
24 assert(r.flags() == std::regex_constants::ECMAScript);
25 assert(r.mark_count() == 0);
26}
27
28int main(int, char**)
29{
30 test<char>();
31#ifndef TEST_HAS_NO_WIDE_CHARACTERS
32 test<wchar_t>();
33#endif
34
35 return 0;
36}
37

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