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      1 // -*- C++ -*-
      2 //===----------------------------------------------------------------------===//
      3 //
      4 //                     The LLVM Compiler Infrastructure
      5 //
      6 // This file is dual licensed under the MIT and the University of Illinois Open
      7 // Source Licenses. See LICENSE.TXT for details.
      8 //
      9 //===----------------------------------------------------------------------===//
     10 
     11 // <regex>
     12 
     13 // template <class charT> struct regex_traits;
     14 
     15 // template <class ForwardIterator>
     16 //   string_type
     17 //   transform_primary(ForwardIterator first, ForwardIterator last) const;
     18 
     19 #include <regex>
     20 #include <cassert>
     21 #include "test_iterators.h"
     22 
     23 int main()
     24 {
     25     {
     26         std::regex_traits<char> t;
     27         const char A[] = "A";
     28         const char Aacute[] = "\xC1";
     29         typedef forward_iterator<const char*> F;
     30         assert(t.transform_primary(F(A), F(A+1)) !=
     31                t.transform_primary(F(Aacute), F(Aacute+1)));
     32         t.imbue(std::locale("cs_CZ.ISO8859-2"));
     33         assert(t.transform_primary(F(A), F(A+1)) ==
     34                t.transform_primary(F(Aacute), F(Aacute+1)));
     35     }
     36     {
     37         std::regex_traits<wchar_t> t;
     38         const wchar_t A[] = L"A";
     39         const wchar_t Aacute[] = L"\xC1";
     40         typedef forward_iterator<const wchar_t*> F;
     41         assert(t.transform_primary(F(A), F(A+1)) !=
     42                t.transform_primary(F(Aacute), F(Aacute+1)));
     43         t.imbue(std::locale("cs_CZ.ISO8859-2"));
     44         assert(t.transform_primary(F(A), F(A+1)) ==
     45                t.transform_primary(F(Aacute), F(Aacute+1)));
     46     }
     47 }
     48