1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <regex>
11
12// template <class BidirectionalIterator> class sub_match;
13
14// operator string_type() const;
15
16#include <regex>
17#include <cassert>
18#include "test_macros.h"
19
20int main()
21{
22    {
23        typedef char CharT;
24        typedef std::sub_match<const CharT*> SM;
25        SM sm = SM();
26        SM::string_type str = sm;
27        assert(str.empty());
28        const CharT s[] = {'1', '2', '3', 0};
29        sm.first = s;
30        sm.second = s + 3;
31        sm.matched = true;
32        str = sm;
33        assert(str == std::string("123"));
34    }
35    {
36        typedef wchar_t CharT;
37        typedef std::sub_match<const CharT*> SM;
38        SM sm = SM();
39        SM::string_type str = sm;
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;
46        assert(str == std::wstring(L"123"));
47    }
48}
49