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>>
12 // class basic_regex
13 // {
14 // public:
15 //     // constants:
16 //     static constexpr regex_constants::syntax_option_type icase = regex_constants::icase;
17 //     static constexpr regex_constants::syntax_option_type nosubs = regex_constants::nosubs;
18 //     static constexpr regex_constants::syntax_option_type optimize = regex_constants::optimize;
19 //     static constexpr regex_constants::syntax_option_type collate = regex_constants::collate;
20 //     static constexpr regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript;
21 //     static constexpr regex_constants::syntax_option_type basic = regex_constants::basic;
22 //     static constexpr regex_constants::syntax_option_type extended = regex_constants::extended;
23 //     static constexpr regex_constants::syntax_option_type awk = regex_constants::awk;
24 //     static constexpr regex_constants::syntax_option_type grep = regex_constants::grep;
25 //     static constexpr regex_constants::syntax_option_type egrep = regex_constants::egrep;
26 
27 #include <regex>
28 #include <type_traits>
29 #include "test_macros.h"
30 
31 template <class T>
where(const T &)32 void where(const T &) {}
33 
34 template <class CharT>
35 void
test()36 test()
37 {
38     typedef std::basic_regex<CharT> BR;
39     static_assert((BR::icase == std::regex_constants::icase), "");
40     static_assert((BR::nosubs == std::regex_constants::nosubs), "");
41     static_assert((BR::optimize == std::regex_constants::optimize), "");
42     static_assert((BR::collate == std::regex_constants::collate), "");
43     static_assert((BR::ECMAScript == std::regex_constants::ECMAScript), "");
44     static_assert((BR::basic == std::regex_constants::basic), "");
45     static_assert((BR::extended == std::regex_constants::extended), "");
46     static_assert((BR::awk == std::regex_constants::awk), "");
47     static_assert((BR::grep == std::regex_constants::grep), "");
48     static_assert((BR::egrep == std::regex_constants::egrep), "");
49     where(BR::icase);
50     where(BR::nosubs);
51     where(BR::optimize);
52     where(BR::collate);
53     where(BR::ECMAScript);
54     where(BR::basic);
55     where(BR::extended);
56     where(BR::awk);
57     where(BR::grep);
58     where(BR::egrep);
59 }
60 
main(int,char **)61 int main(int, char**)
62 {
63     test<char>();
64     test<wchar_t>();
65 
66   return 0;
67 }
68