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