1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <regex>
10
11 // template <class charT, class traits = regex_traits<charT>> class basic_regex;
12
13 // basic_regex(const charT* p);
14
15 #include <regex>
16 #include <cassert>
17 #include "test_macros.h"
18
19 template <class CharT>
20 void
test(const CharT * p,unsigned mc)21 test(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
main(int,char **)28 int main(int, char**)
29 {
30 test("\\(a\\)", 0);
31 test("\\(a[bc]\\)", 0);
32 test("\\(a\\([bc]\\)\\)", 0);
33 test("(a([bc]))", 2);
34
35 return 0;
36 }
37