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 BidirectionalIterator> class sub_match;
12 
13 // template <class charT, class ST, class BiIter>
14 //     basic_ostream<charT, ST>&
15 //     operator<<(basic_ostream<charT, ST>& os, const sub_match<BiIter>& m);
16 
17 #include <regex>
18 #include <sstream>
19 #include <cassert>
20 #include "test_macros.h"
21 
22 template <class CharT>
23 void
test(const std::basic_string<CharT> & s)24 test(const std::basic_string<CharT>& s)
25 {
26     typedef std::basic_string<CharT> string;
27     typedef std::sub_match<typename string::const_iterator> SM;
28     typedef std::basic_ostringstream<CharT> ostringstream;
29     SM sm;
30     sm.first = s.begin();
31     sm.second = s.end();
32     sm.matched = true;
33     ostringstream os;
34     os << sm;
35     assert(os.str() == s);
36 }
37 
main(int,char **)38 int main(int, char**)
39 {
40     test(std::string("123"));
41     test(std::wstring(L"123"));
42 
43   return 0;
44 }
45