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, size_t len);
15
16 #include <regex>
17 #include <cassert>
18
19 template <class CharT>
20 void
test(const CharT * p,std::size_t len,unsigned mc)21 test(const CharT* p, std::size_t len, unsigned mc)
22 {
23 std::basic_regex<CharT> r(p, len);
24 assert(r.flags() == std::regex_constants::ECMAScript);
25 assert(r.mark_count() == mc);
26 }
27
main()28 int main()
29 {
30 test("\\(a\\)", 5, 0);
31 test("\\(a[bc]\\)", 9, 0);
32 test("\\(a\\([bc]\\)\\)", 13, 0);
33 test("(a([bc]))", 9, 2);
34
35 test("(\0)(b)(c)(d)", 12, 4);
36 test("(\0)(b)(c)(d)", 9, 3);
37 test("(\0)(b)(c)(d)", 3, 1);
38 test("(\0)(b)(c)(d)", 0, 0);
39 }
40