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// Test for the existence of:
13
14// basic_string typedef names
15// typedef basic_string<char> string;
16// typedef basic_string<char16_t> u16string;
17// typedef basic_string<char32_t> u32string;
18// typedef basic_string<wchar_t> wstring;
19
20#include <string>
21#include <type_traits>
22
23int main()
24{
25    static_assert((std::is_same<std::string, std::basic_string<char> >::value), "");
26    static_assert((std::is_same<std::wstring, std::basic_string<wchar_t> >::value), "");
27#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
28    static_assert((std::is_same<std::u16string, std::basic_string<char16_t> >::value), "");
29    static_assert((std::is_same<std::u32string, std::basic_string<char32_t> >::value), "");
30#endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
31}
32