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 // class match_results<BidirectionalIterator, Allocator>
12 
13 // string_type str(size_type sub = 0) const;
14 
15 #include <regex>
16 #include <cassert>
17 #include "test_macros.h"
18 
19 void
test()20 test()
21 {
22     std::match_results<const char*> m;
23     const char s[] = "abcdefghijk";
24     assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
25     assert(m.str() == std::string(m[0]));
26     assert(m.str(0) == std::string(m[0]));
27     assert(m.str(1) == std::string(m[1]));
28     assert(m.str(2) == std::string(m[2]));
29     assert(m.str(3) == std::string(m[3]));
30     assert(m.str(4) == std::string(m[4]));
31 }
32 
main(int,char **)33 int main(int, char**)
34 {
35     test();
36 
37   return 0;
38 }
39