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 
main(int,char **)19 int 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     {
35         typedef wchar_t CharT;
36         typedef std::sub_match<const CharT*> SM;
37         SM sm = SM();
38         SM::string_type str = sm.str();
39         assert(str.empty());
40         const CharT s[] = {'1', '2', '3', 0};
41         sm.first = s;
42         sm.second = s + 3;
43         sm.matched = true;
44         str = sm.str();
45         assert(str == std::wstring(L"123"));
46     }
47 
48   return 0;
49 }
50