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 string_traits, class A>
14// basic_regex& assign(const basic_string<charT, string_traits, A>& s,
15// flag_type f = regex_constants::ECMAScript);
16
17#include <cassert>
18#include <regex>
19#include <string>
20
21#include "test_macros.h"
22
23int main(int, char**)
24{
25 std::regex r2;
26 r2.assign(std::string("(a([bc]))"));
27 assert(r2.flags() == std::regex::ECMAScript);
28 assert(r2.mark_count() == 2);
29
30 r2.assign(std::string("(a([bc]))"), std::regex::extended);
31 assert(r2.flags() == std::regex::extended);
32 assert(r2.mark_count() == 2);
33
34 return 0;
35}
36

source code of libcxx/test/std/re/re.regex/re.regex.assign/assign_string_flag.pass.cpp