1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <codecvt>
10
11// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS -D_LIBCPP_ENABLE_CXX26_REMOVED_CODECVT
12
13// template <class Elem, unsigned long Maxcode = 0x10ffff,
14// codecvt_mode Mode = (codecvt_mode)0>
15// class codecvt_utf16
16// : public codecvt<Elem, char, mbstate_t>
17// {
18// // unspecified
19// };
20
21// int encoding() const throw();
22
23#include <codecvt>
24#include <cassert>
25
26#include "test_macros.h"
27
28int main(int, char**)
29{
30#ifndef TEST_HAS_NO_WIDE_CHARACTERS
31 {
32 typedef std::codecvt_utf16<wchar_t> C;
33 C c;
34 int r = c.encoding();
35 assert(r == 0);
36 }
37#endif
38 {
39 typedef std::codecvt_utf16<char16_t> C;
40 C c;
41 int r = c.encoding();
42 assert(r == 0);
43 }
44 {
45 typedef std::codecvt_utf16<char32_t> C;
46 C c;
47 int r = c.encoding();
48 assert(r == 0);
49 }
50
51 return 0;
52}
53

source code of libcxx/test/std/localization/locale.stdcvt/codecvt_utf16_encoding.pass.cpp