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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 ST, class SA>
     15 //    basic_regex(const basic_string<charT, ST, SA>& s);
     16 
     17 #include <regex>
     18 #include <cassert>
     19 #include "test_macros.h"
     20 
     21 template <class String>
     22 void
     23 test(const String& p, unsigned mc)
     24 {
     25     std::basic_regex<typename String::value_type> r(p);
     26     assert(r.flags() == std::regex_constants::ECMAScript);
     27     assert(r.mark_count() == mc);
     28 }
     29 
     30 int main()
     31 {
     32     test(std::string("\\(a\\)"), 0);
     33     test(std::string("\\(a[bc]\\)"), 0);
     34     test(std::string("\\(a\\([bc]\\)\\)"), 0);
     35     test(std::string("(a([bc]))"), 2);
     36 }
     37