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
main()26 int 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