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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class BidirectionalIterator> class sub_match;
// template <class charT, class ST, class BiIter>
// basic_ostream<charT, ST>&
// operator<<(basic_ostream<charT, ST>& os, const sub_match<BiIter>& m);
#include <regex>
#include <sstream>
#include <cassert>
#include "test_macros.h"
template <class CharT>
void
test(const std::basic_string<CharT>& s)
{
typedef std::basic_string<CharT> string;
typedef std::sub_match<typename string::const_iterator> SM;
typedef std::basic_ostringstream<CharT> ostringstream;
SM sm;
sm.first = s.begin();
sm.second = s.end();
sm.matched = true;
ostringstream os;
os << sm;
assert(os.str() == s);
}
int main(int, char**)
{
test(std::string("123"));
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
test(std::wstring(L"123"));
#endif
return 0;
}
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