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// <locale>
11
12// template <class charT>
13// class collate
14//     : public locale::facet {
15// public:
16//     typedef charT char_type;
17//     typedef basic_string<charT>string_type;
18//
19//     static locale::id id;
20// };
21
22#include <locale>
23#include <type_traits>
24#include <cassert>
25
26int main()
27{
28    std::locale l = std::locale::classic();
29    {
30        assert(std::has_facet<std::collate<char> >(l));
31        const std::collate<char>& f = std::use_facet<std::collate<char> >(l);
32        {
33            (void)std::collate<char>::id;
34        }
35        static_assert((std::is_same<std::collate<char>::char_type, char>::value), "");
36        static_assert((std::is_same<std::collate<char>::string_type, std::string>::value), "");
37        static_assert((std::is_base_of<std::locale::facet, std::collate<char> >::value), "");
38    }
39    {
40        assert(std::has_facet<std::collate<wchar_t> >(l));
41        const std::collate<wchar_t>& f = std::use_facet<std::collate<wchar_t> >(l);
42        {
43            (void)std::collate<wchar_t>::id;
44        }
45        static_assert((std::is_same<std::collate<wchar_t>::char_type, wchar_t>::value), "");
46        static_assert((std::is_same<std::collate<wchar_t>::string_type, std::wstring>::value), "");
47        static_assert((std::is_base_of<std::locale::facet, std::collate<wchar_t> >::value), "");
48    }
49}
50