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// <string>
11
12// template<> struct char_traits<char32_t>
13
14// typedef char32_t       char_type;
15// typedef uint_least32_t int_type;
16// typedef streamoff      off_type;
17// typedef u32streampos   pos_type;
18// typedef mbstate_t      state_type;
19
20#include <string>
21#include <type_traits>
22#include <cstdint>
23
24int main()
25{
26#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
27    static_assert((std::is_same<std::char_traits<char32_t>::char_type, char32_t>::value), "");
28    static_assert((std::is_same<std::char_traits<char32_t>::int_type, std::uint_least32_t>::value), "");
29    static_assert((std::is_same<std::char_traits<char32_t>::off_type, std::streamoff>::value), "");
30    static_assert((std::is_same<std::char_traits<char32_t>::pos_type, std::u32streampos>::value), "");
31    static_assert((std::is_same<std::char_traits<char32_t>::state_type, std::mbstate_t>::value), "");
32#endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
33}
34