xref: /llvm-project/libcxx/test/std/re/re.regex/re.regex.assign/assign_string_flag.pass.cpp (revision 60a6a0d17ad5afcac5c71dcf9a05f8c814951804)
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 
main(int,char **)23 int 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