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      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_macros.h"
     23 #include "test_iterators.h"
     24 
     25 int main()
     26 {
     27     {
     28         std::cmatch m;
     29         const char s[] = "tournament";
     30         assert(std::regex_match(s, m, std::regex("tour\nto\ntournament",
     31                 std::regex_constants::grep)));
     32         assert(m.size() == 1);
     33         assert(!m.prefix().matched);
     34         assert(m.prefix().first == s);
     35         assert(m.prefix().second == m[0].first);
     36         assert(!m.suffix().matched);
     37         assert(m.suffix().first == m[0].second);
     38         assert(m.suffix().second == s + std::char_traits<char>::length(s));
     39         assert(m.length(0) == 10);
     40         assert(m.position(0) == 0);
     41         assert(m.str(0) == "tournament");
     42     }
     43     {
     44         std::cmatch m;
     45         const char s[] = "ment";
     46         assert(!std::regex_match(s, m, std::regex("tour\n\ntournament",
     47                 std::regex_constants::grep)));
     48         assert(m.size() == 0);
     49     }
     50 }
     51