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// string_type str() const;
14
15#include <regex>
16#include <cassert>
17#include "test_macros.h"
18
19int main(int, char**)
20{
21 {
22 typedef char CharT;
23 typedef std::sub_match<const CharT*> SM;
24 SM sm = SM();
25 SM::string_type str = sm.str();
26 assert(str.empty());
27 const CharT s[] = {'1', '2', '3', 0};
28 sm.first = s;
29 sm.second = s + 3;
30 sm.matched = true;
31 str = sm.str();
32 assert(str == std::string("123"));
33 }
34#ifndef TEST_HAS_NO_WIDE_CHARACTERS
35 {
36 typedef wchar_t CharT;
37 typedef std::sub_match<const CharT*> SM;
38 SM sm = SM();
39 SM::string_type str = sm.str();
40 assert(str.empty());
41 const CharT s[] = {'1', '2', '3', 0};
42 sm.first = s;
43 sm.second = s + 3;
44 sm.matched = true;
45 str = sm.str();
46 assert(str == std::wstring(L"123"));
47 }
48#endif
49
50 return 0;
51}
52

source code of libcxx/test/std/re/re.submatch/re.submatch.members/str.pass.cpp