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>>
13// class basic_regex
14// {
15// public:
16//     // constants:
17//     static constexpr regex_constants::syntax_option_type icase = regex_constants::icase;
18//     static constexpr regex_constants::syntax_option_type nosubs = regex_constants::nosubs;
19//     static constexpr regex_constants::syntax_option_type optimize = regex_constants::optimize;
20//     static constexpr regex_constants::syntax_option_type collate = regex_constants::collate;
21//     static constexpr regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript;
22//     static constexpr regex_constants::syntax_option_type basic = regex_constants::basic;
23//     static constexpr regex_constants::syntax_option_type extended = regex_constants::extended;
24//     static constexpr regex_constants::syntax_option_type awk = regex_constants::awk;
25//     static constexpr regex_constants::syntax_option_type grep = regex_constants::grep;
26//     static constexpr regex_constants::syntax_option_type egrep = regex_constants::egrep;
27
28#include <regex>
29#include <type_traits>
30
31template <class _Tp>
32void where(const _Tp &) {}
33
34template <class CharT>
35void
36test()
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
61int main()
62{
63    test<char>();
64    test<wchar_t>();
65}
66