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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 value_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         SM sm = SM();
     25         SM sm2 = SM();
     26         assert(sm.compare("") == 0);
     27         const CharT s[] = {'1', '2', '3', 0};
     28         sm.first = s;
     29         sm.second = s + 3;
     30         sm.matched = true;
     31         assert(sm.compare("") > 0);
     32         assert(sm.compare("123") == 0);
     33     }
     34     {
     35         typedef wchar_t CharT;
     36         typedef std::sub_match<const CharT*> SM;
     37         SM sm = SM();
     38         SM sm2 = SM();
     39         assert(sm.compare(L"") == 0);
     40         const CharT s[] = {'1', '2', '3', 0};
     41         sm.first = s;
     42         sm.second = s + 3;
     43         sm.matched = true;
     44         assert(sm.compare(L"") > 0);
     45         assert(sm.compare(L"123") == 0);
     46     }
     47 }
     48