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 | // const_reference prefix() const; |
14 | |
15 | #include <regex> |
16 | #include <cassert> |
17 | #include "test_macros.h" |
18 | |
19 | void |
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 | |
26 | assert(m.prefix().first == s); |
27 | assert(m.prefix().second == s+2); |
28 | assert(m.prefix().matched == true); |
29 | } |
30 | |
31 | int main(int, char**) |
32 | { |
33 | test(); |
34 | |
35 | return 0; |
36 | } |
37 | |