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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 charT, class traits = regex_traits<charT>> class basic_regex;
     13 
     14 // template <class InputIterator>
     15 //    basic_regex&
     16 //    assign(InputIterator first, InputIterator last,
     17 //           flag_type f = regex_constants::ECMAScript);
     18 
     19 #include <regex>
     20 #include <cassert>
     21 
     22 #include "test_macros.h"
     23 #include "test_iterators.h"
     24 
     25 int main()
     26 {
     27     typedef input_iterator<std::string::const_iterator> I;
     28     typedef forward_iterator<std::string::const_iterator> F;
     29     std::string s4("(a([bc]))");
     30     std::regex r2;
     31 
     32     r2.assign(I(s4.begin()), I(s4.end()));
     33     assert(r2.flags() == std::regex::ECMAScript);
     34     assert(r2.mark_count() == 2);
     35 
     36     r2.assign(I(s4.begin()), I(s4.end()), std::regex::extended);
     37     assert(r2.flags() == std::regex::extended);
     38     assert(r2.mark_count() == 2);
     39 
     40     r2.assign(F(s4.begin()), F(s4.end()));
     41     assert(r2.flags() == std::regex::ECMAScript);
     42     assert(r2.mark_count() == 2);
     43 
     44     r2.assign(F(s4.begin()), F(s4.end()), std::regex::extended);
     45     assert(r2.flags() == std::regex::extended);
     46     assert(r2.mark_count() == 2);
     47 }
     48