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 // wstring_convert<Codecvt, Elem, Wide_alloc, Byte_alloc>
13 
14 // wstring_convert(Codecvt* pcvt = new Codecvt);
15 
16 #include <locale>
17 #include <codecvt>
18 #include <cassert>
19 
main()20 int main()
21 {
22     {
23         typedef std::codecvt_utf8<wchar_t> Codecvt;
24         typedef std::wstring_convert<Codecvt> Myconv;
25         Myconv myconv;
26         assert(myconv.converted() == 0);
27     }
28     {
29         typedef std::codecvt_utf8<wchar_t> Codecvt;
30         typedef std::wstring_convert<Codecvt> Myconv;
31         Myconv myconv(new Codecvt);
32         assert(myconv.converted() == 0);
33 #if _LIBCPP_STD_VER > 11
34         static_assert(!std::is_convertible<Codecvt*, Myconv>::value, "");
35         static_assert( std::is_constructible<Myconv, Codecvt*>::value, "");
36 #endif
37     }
38 }
39