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
20template <class String>
21void
22test(const String& p, unsigned mc)
23{
24    std::basic_regex<typename String::value_type> r(p);
25    assert(r.flags() == std::regex_constants::ECMAScript);
26    assert(r.mark_count() == mc);
27}
28
29int main()
30{
31    test(std::string("\\(a\\)"), 0);
32    test(std::string("\\(a[bc]\\)"), 0);
33    test(std::string("\\(a\\([bc]\\)\\)"), 0);
34    test(std::string("(a([bc]))"), 2);
35}
36