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// class match_results<BidirectionalIterator, Allocator>
13
14// size_type size() const;
15// bool empty() const;
16
17#include <regex>
18#include <cassert>
19
20template <class CharT>
21void
22test()
23{
24    std::match_results<const CharT*> m;
25    assert(m.empty());
26    assert(m.size() == 0);
27    const char s[] = "abcdefghijk";
28    assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
29    assert(!m.empty());
30    assert(m.size() == 3);
31}
32
33int main()
34{
35    test<char>();
36}
37