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 // template <class ST, class SA>
14 // basic_regex(const basic_string<charT, ST, SA>& s);
15
16 #include <regex>
17 #include <cassert>
18 #include "test_macros.h"
19
20 template <class String>
21 void
test(const String & p,unsigned mc)22 test(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
main(int,char **)29 int main(int, char**)
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 return 0;
37 }
38