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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 sub_match& s) const;
     15 
     16 #include <regex>
     17 #include <cassert>
     18 #include "test_macros.h"
     19 
     20 int main()
     21 {
     22     {
     23         typedef char CharT;
     24         typedef std::sub_match<const CharT*> SM;
     25         SM sm = SM();
     26         SM sm2 = SM();
     27         assert(sm.compare(sm2) == 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(sm2) > 0);
     33         sm2.first = s;
     34         sm2.second = s + 3;
     35         sm2.matched = true;
     36         assert(sm.compare(sm2) == 0);
     37     }
     38     {
     39         typedef wchar_t CharT;
     40         typedef std::sub_match<const CharT*> SM;
     41         SM sm = SM();
     42         SM sm2 = SM();
     43         assert(sm.compare(sm2) == 0);
     44         const CharT s[] = {'1', '2', '3', 0};
     45         sm.first = s;
     46         sm.second = s + 3;
     47         sm.matched = true;
     48         assert(sm.compare(sm2) > 0);
     49         sm2.first = s;
     50         sm2.second = s + 3;
     51         sm2.matched = true;
     52         assert(sm.compare(sm2) == 0);
     53     }
     54 }
     55