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
19void
20test()
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
33int main(int, char**)
34{
35 test();
36
37 return 0;
38}
39

source code of libcxx/test/std/re/re.results/re.results.acc/str.pass.cpp