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 // template <class BidirectionalIterator, class Allocator, class charT, class traits>
13 //     bool
14 //     regex_match(BidirectionalIterator first, BidirectionalIterator last,
15 //                  match_results<BidirectionalIterator, Allocator>& m,
16 //                  const basic_regex<charT, traits>& e,
17 //                  regex_constants::match_flag_type flags = regex_constants::match_default);
18 
19 #include <regex>
20 #include <cassert>
21 
22 #include "test_iterators.h"
23 
main()24 int main()
25 {
26     {
27         std::cmatch m;
28         const char s[] = "tournament";
29         assert(std::regex_match(s, m, std::regex("tour\nto\ntournament",
30                 std::regex_constants::grep)));
31         assert(m.size() == 1);
32         assert(!m.prefix().matched);
33         assert(m.prefix().first == s);
34         assert(m.prefix().second == m[0].first);
35         assert(!m.suffix().matched);
36         assert(m.suffix().first == m[0].second);
37         assert(m.suffix().second == s + std::char_traits<char>::length(s));
38         assert(m.length(0) == 10);
39         assert(m.position(0) == 0);
40         assert(m.str(0) == "tournament");
41     }
42     {
43         std::cmatch m;
44         const char s[] = "ment";
45         assert(!std::regex_match(s, m, std::regex("tour\n\ntournament",
46                 std::regex_constants::grep)));
47         assert(m.size() == 0);
48     }
49 }
50