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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 sub_match;
     13 
     14 // int compare(const string_type& s) const;
     15 
     16 #include <regex>
     17 #include <cassert>
     18 
     19 int main()
     20 {
     21     {
     22         typedef char CharT;
     23         typedef std::sub_match<const CharT*> SM;
     24         typedef SM::string_type string;
     25         SM sm = SM();
     26         SM sm2 = SM();
     27         assert(sm.compare(string()) == 0);
     28         const CharT s[] = {'1', '2', '3', 0};
     29         sm.first = s;
     30         sm.second = s + 3;
     31         sm.matched = true;
     32         assert(sm.compare(string()) > 0);
     33         assert(sm.compare(string("123")) == 0);
     34     }
     35     {
     36         typedef wchar_t CharT;
     37         typedef std::sub_match<const CharT*> SM;
     38         typedef SM::string_type string;
     39         SM sm = SM();
     40         SM sm2 = SM();
     41         assert(sm.compare(string()) == 0);
     42         const CharT s[] = {'1', '2', '3', 0};
     43         sm.first = s;
     44         sm.second = s + 3;
     45         sm.matched = true;
     46         assert(sm.compare(string()) > 0);
     47         assert(sm.compare(string(L"123")) == 0);
     48     }
     49 }
     50