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 
20 template <class CharT>
21 void
test()22 test()
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 
main()33 int main()
34 {
35     test<char>();
36 }
37